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Hitachi Air 365 Series Installation And Maintenance Manual
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Hitachi Air 365 Series Installation And Maintenance Manual

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–
INSTALLATION AND
MAINTENANCE
MANUAL
–
INVERTER-DRIVEN
AIR CONDITIONERS
SET FREE
OUTDOOR UNITS
MODELS
<BASE UNITS>
UNIVERSAL (HEAT PUMP AND HEAT RECOVARY)
(Standard Type)
RAS-080RNCCLW TO RAS-280RNCCLW
RAS-080RNCCRW TO RAS-280RNCCRW
(High Efficiency Type)
RAS-080RNCBLW TO RAS-200RNCBLW
EN INSTALLATION AND MAINTENANCE MANUAL
Original Instructions
A16381E84N
SERIES

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Summary of Contents for Hitachi Air 365 Series

  • Page 1 – INSTALLATION AND MAINTENANCE MANUAL – INVERTER-DRIVEN AIR CONDITIONERS SET FREE SERIES OUTDOOR UNITS MODELS <BASE UNITS> UNIVERSAL (HEAT PUMP AND HEAT RECOVARY) (Standard Type) RAS-080RNCCLW TO RAS-280RNCCLW RAS-080RNCCRW TO RAS-280RNCCRW (High Efficiency Type) RAS-080RNCBLW TO RAS-200RNCBLW EN INSTALLATION AND MAINTENANCE MANUAL Original Instructions A16381E84N...
  • Page 2 Models Models Working Range This air conditioner has been designed for a specific Applicable Models temperature range. For optimum performance and a long life, • operate this unit within the range limits listed in the table. Universal < Cooling Operation > <...

  • Page 3: Important Notice

    • a policy of continuing improvement in design and For the optional decorative panel, refer to the performance in its products. As such, Hitachi-Johnson Installation and Maintenance Manual for the optional Controls Air Conditioning reserves the right to make decorative panel. (Only for 1-Way, 2-Way, and 4-Way changes at any time without prior notice.
  • Page 4 Liability does not cover defects originating from unauthorized modifications performed by a customer without the written consent of Hitachi-Johnson Controls Air Conditioning. Performing any mechanical alterations on this product without the consent of the manufacturer will render your warranty null and void.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS Models ..............................................ii IMPORTANT NOTICE .........................................iii 1. Safety Summary ..........................................1 2. Before Installation ........................................7 2.1 About This Product ......................................7 2.2 Line-Up of Outdoor Units ....................................9 2.3 Combination of Indoor Unit and Outdoor Unit ...............................12 2.4 CH-Box (Optional) for Heat Recovery System ..............................14 2.5 Piping Connection Kit (Optional) between Outdoor Units ..........................14 2.6 Multi-Kit (Optional) between Indoor Unit and Outdoor Unit .........................15 2.7 Factory-Supplied Accessories ..................................16...

  • Page 6: Safety Summary

    General Precautions so wear protective gloves. • Use only recommended/standardized replacement parts provided by Hitachi-Johnson Controls Air WARNING Conditioning. • This air conditioning system can be used by children To reduce the risk of serious injury or death, read these...
  • Page 7 1. Safety Summary • Be sure the condensate hose discharges water CAUTION properly. If connected incorrectly, leaks can occur. • Do NOT install the unit with any downward slope to To reduce the risk of minor or moderate injury, the the side of the condensate pipe.
  • Page 8 1. Safety Summary • Do NOT install the unit in the following places. Doing CAUTION so can result in an explosion, fire, deformation, corrosion, or product failure. To reduce the risk of minor or moderate injury, the ○ Explosive or flammable atmosphere following installation precautions must be followed.
  • Page 9 ○ Where the blower devices such as ceiling fan, ven- should be obtained from Hitachi-Johnson Controls Air tilating fan, etc. affect the air flow from the indoor Conditioning distributors. Use of any non-approved unit.
  • Page 10 1. Safety Summary • Electrical Precautions When installing the unit, and connecting refrigerant piping, keep all piping runs as short as possible, and make sure to securely connect the refrigerant piping before the compressor starts operating. If WARNING the refrigerant piping is not connected and the To reduce the risk of serious injury or death, the following compressor activates with the stop valve opened, the electrical precautions must be followed.
  • Page 11 After stopping operation, be sure to wait at least five cable is applied, proper bonding and termination of minutes before turning off the main power switch. the cable shield is required as per Hitachi-Johnson Otherwise, water leakage or electrical breakdown Controls Air Conditioning guidelines. Plenum and riser may result.

  • Page 12: Before Installation

    HITACHI has developed the SYSTEM FREE system with its customers always in mind. This system, which is unique in the world, allows the interconnection of the same indoor units for all the HITACHI systems. This system provides the end user with greater flexibility for installation, which means that the air-conditioning systems will integrate better with the whole of the installations that make up the building.
  • Page 13 2. Before Installation : Interchangeability is available with current R22 l : Only for Refrigerant R410A (No Interchangeability with R22) 5 : Prohibited F : Only for Refrigerant R407C (No Interchangeability with R22) Interchangeability Reason of Non-Interchangeability and Attention with R22 Measuring Instrument and Tool (ʘ: Strictly Required) R410A...

  • Page 14: Line-Up Of Outdoor Units

    2. Before Installation 2.2 Line-Up of Outdoor Units Universal (Standard Type): For ANZ 1. This outdoor unit series “RNCCLW” can build the capacity of 8 to 64 HP by combining the outdoor units of 8 to 24 HP. 2. The combinations not indicated in the table below are unavailable. <Base Unit>...
  • Page 15 2. Before Installation Universal (Standard Type) (380 - 415 V): For LA 1. This outdoor unit series “RNCCLW” can build the capacity of 8 to 112 HP by combining the outdoor units of 8 to 28 HP. 2. The combinations not indicated in the table below are unavailable. <Base Unit>...
  • Page 16 2. Before Installation Universal (Standard Type) (220 V): For LA 1. This outdoor unit series “RNCCRW” can build the capacity of 8 to 112 HP by combining the outdoor units of 8 to 28 HP. 2. The combinations not indicated in the table below are unavailable. <Base Unit>...

  • Page 17: Combination Of Indoor Unit And Outdoor Unit

    2. Before Installation 2.3 Combination of Indoor Unit and Outdoor Unit The following indoor units can be combined with the HITACHI SET FREE "air365" series outdoor unit. Table 2.1 Indoor Unit Type List Nominal Capacity Indoor Unit Type 0.4 0.6 0.7 0.8 0.9 1 1.1 1.3 1.5 1.6 1.8 2 2.3 2.5 3 3.3 3.6 4 4.5 5...
  • Page 18 2. Before Installation Table 2.3 System Combination - RNCCLW, RNCBLW (For ANZ) Recommended Range of Total Length between Min. Capacity at Max. Number of Outdoor Unit Number of Combination Each IDU and Individual Operation Connectable IDU Connectable IDU Capacity Expansion Valve Kit(*) RAS-080RNC(B/C)LW RAS-100RNC(B/C)LW RAS-120RNC(B/C)LW...

  • Page 19: Box (Optional) For Heat Recovery System

    2. Before Installation 2.4 CH-Box (Optional) for Heat Recovery System • Single CH - AP 160 SSX Applicable System Number of Connectable Indoor Unit Model Branch Connectable Indoor SSX: for Heat Recovery System Total Capacity Unit (3 Pipes) CH-AP160SSX 6.0HP or less (Max. 16kW) 1 to 7 Maximum Connecatble Indoor Unit Capacity (HP)

  • Page 20: Multi-Kit (Optional) Between Indoor Unit And Outdoor Unit

    2. Before Installation 2.6 Multi-Kit (Optional) between Indoor Unit and Outdoor Unit MW - NP 282 A 3 Type of Generation Applicable System A: for Heat Pump System (2 Pipes) X: for Heat Recovery System (3 Pipes) No. of Branches Corresponding Outdoor Unit and Indoor Unit Capacity Refrigerant Type...

  • Page 21: Factory-Supplied Accessories

    2. Before Installation 2.7 Factory-Supplied Accessories Check to ensure that the following accessories are packed with the outdoor unit. (Refer to NOTE on page 18.) Table 2.4-1 Factory-Supplied Accessories (RNCCLW) Accessory 10HP 12HP 14HP 16HP 18HP Remarks Connection for Refrigerant Low Pressure ID ɸ22.4 →...
  • Page 22 2. Before Installation Table 2.4-2 Factory-Supplied Accessories (RNCCLW) Accessory 20HP 22HP 24HP 26HP 28HP Remarks Connection for Refrigerant Low Pressure ID ɸ28.8 → ID ɸ28.8 → Gas Pipe OD ɸ31.75 OD ɸ31.75 Connection for Refrigerant High/Low ID ɸ25.6 → Pressure Gas Pipe OD ɸ22.2 Accessory Pipe...
  • Page 23 2. Before Installation Table 2.5 Factory-Supplied Accessories (RNCBLW) Accessory 10HP 12HP 14HP 16HP 18HP 20HP Remarks Connection for Refrigerant Low Pressure ID ɸ22.4 → ID ɸ25.6 → Gas Pipe OD ɸ19.05 OD ɸ28.58 Connection for Refrigerant High/Low ID ɸ22.4 → ID ɸ22.4 →...

  • Page 24: Selection Of Installation Location

    3. Selection of Installation Location 3. Selection of Installation NOTES: • Do not install the outdoor unit where there is a Location high level of oil mist, flammable gases, salty air or harmful gases such as sulphur and an acid or alkaline environment.
  • Page 25 3. Selection of Installation Location • • In the case of no walls on the front side and the rear Multiple / Serial Installation side, the service space is required as follows. (Unit: mm) ○ Front Side: Min. 500mm No limit for ○...
  • Page 26 3. Selection of Installation Location • • Multiple / Serial Installation Multiple / Serial Installation (Unit: mm) (Unit: mm) <Installation in the Same Direction> < Installation in the Same Direction > Min. 300 + h1/2 Min. 300 + h1/2 Min.10 Min.

  • Page 27: Installation Work

    4. Installation Work 4. Installation Work Plastic Bands Corrugated Paper Frame 4.1 Transportation and Handling Attach four 15mm thick corrugated corner pads Do not remove 4.1.1 Transportation as shown. corrugated paper Transport the product as close to the installation location frame and plastic bands.

  • Page 28: Handling Of Outdoor Unit

    4. Installation Work < RNCCLW > (For LA) (mm) <RNCCLW> (For ANZ) (kg) 380 to 415V/50Hz 380V/60Hz Model 10 12 14 16 18 20 22 24 RAS-080RNCCLW 1800 197 203 217 271 272 272 350 350 375 Weight RAS-100RNCCLW 1800 Gross RAS-120RNCCLW 1800...
  • Page 29 4. Installation Work When using forklift, do not insert forks into the holes on the unit side. The unit may be damaged. Outdoor Unit The holes on the unit side Forks Do not apply excessive force to the square holes with forks or other materials.

  • Page 30: Outdoor Unit Installation

    4. Installation Work 4.2 Outdoor Unit Installation Do not provide concrete foundation as shown below. The foot of the outdoor unit may be deformed. 4.2.1 Foundation Front Side • Concrete Foundations of Unit 1. The height of the foundation should be over 150mm above the ground.

  • Page 31: Drain Water Treatment

    4. Installation Work 5. When installing the outdoor unit, fix the unit 4.2.2 Drain Water Treatment with anchor bolts and vibration proof mat (field- Drain water is discharged during heating and defrosting supplied). operation. (Rain water is also discharged.) Refer to Fig. 4.4 regarding the location of fixing Comply with the following conditions.

  • Page 32: Refrigerant Piping Work

    4. Installation Work • 5. Refrigerant Piping Work Standard Type (20 to 28 HP) and High Efficiency Type (18 and 20 HP) WARNING (Unit: mm) • Hole for Drain Use the specified non-flammable refrigerant R410A ( 26 x 2 Positions) Power Source Wiring Outlet Positions of Drain Cap to the outdoor unit in the refrigerant cycle.

  • Page 33: Piping Materials

    5. Refrigerant Piping Work • Cautions for Refrigerant Pipe Ends CAUTION When installing pipe through Do not place the pipe Correct Incorrect the wall, secure a cap at the directly on the ground. • end of the pipe. Ensure to connect the piping among the units in the Incorrect Correct Incorrect...
  • Page 34 5. Refrigerant Piping Work • • Cautions for Piping Connection Work When tightening the flare nut, use two spanners. 1. Connect the indoor and the outdoor units with Required Tightening Torque (JIS B8607) refrigerant pipes. Fix the pipes and prevent the Pipe Size (Φmm) Tightening Torque (N·m) pipes from contacting weak portions such as wall,...
  • Page 35 5. Refrigerant Piping Work Table 5.2 Piping Size of Indoor Unit <3 Pipe System> (For ANZ) (Φmm) Diameter (φmm) Indoor Unit HP Gas Pipe Liquid Pipe Outdoor Unit Liquid High/Low 1.5 or less 12.7 6.35 Pressure Pressure 12.7 6.35 19.05 15.88 9.52 2.5 to 6.0...

  • Page 36: Flaring And Joint

    5. Refrigerant Piping Work 5.2 Flaring and Joint < Flare Nut Dimension B (mm) > • Diameter R410A Flaring Dimension ɸ6.35 Perform the flaring work as shown below. ɸ9.52 (mm) ɸ12.7 90° ± 2° Diameter ɸ15.88 -0.4 (ɸd) ɸ19.05 ɸA R410A Flare Nut 6.35...

  • Page 37: Caution About Outdoor Unit Installation

    5. Refrigerant Piping Work 5.3 Caution about Outdoor Unit Installation <Restrictions for 4 Unit Combination> 1. For 4 outdoor unit combination, align the outdoor When the installation and piping work for the multiple units from largest capacity to smallest as A > B > C > D. outdoor units are performed, it is required that the The outdoor units “A”...

  • Page 38: Piping Connection Work

    5. Refrigerant Piping Work • 5.4 Piping Connection Work Heat Recovery Service Port Comply with the restrictions for refrigerant piping Stop Valve for Gas Valve (permissible length, height difference) in item 5.4.2 Piping (High/Low Pressure) Stop Valve for Connection Method. If not, the outdoor unit may be Liquid Valve Stop Valve for Gas Valve damaged or fail.
  • Page 39 5. Refrigerant Piping Work • The details of stop valves is as follows. CAUTION <Gas Valve> • Ensure that there is no gas inside the pipe when (Check the shape) removing the closing pipe. Otherwise, the pipe may be blown out and it may lead to injury.

  • Page 40: Piping Connection Method

    5. Refrigerant Piping Work 5.4.2 Piping Connection Method Perform the piping connection work for each outdoor unit. NOTE: • Ensure that the refrigerant pipe should be connected to the same refrigerant cycle unit. Prepare the refrigerant pipe in the field for the piping work. Refer to Fig.
  • Page 41 5. Refrigerant Piping Work • Heat Recovery Unit (mm) Low Pressure Gas Piping Connection A High / Low Pressure Gas Piping Connection B Liquid Piping Connection C Piping Cover J (Liquid Piping Connection) K (Low Pressure Gas Piping Connection) L (High / Low Pressure Gas Piping Connection) •...

  • Page 42: Piping Connection

    5. Refrigerant Piping Work • Piping Direction < Heat Recovery > Fix the pipes adequately in order to avoid vibration For Piping from Bottom Base and excessive force to the valve. Liquid Pipe Comm. Wiring High/Low Pressure Gas Pipe Step1. The pipes can be installed in four directions (front, rear, right or bottom side).
  • Page 43 5. Refrigerant Piping Work Step6. Mount the piping cover equipped with the From each Indoor Unit to Multi-Kit, use hard copper pipes Example: Recommended that bend to prevent kinking. outdoor unit after the piping connection. Hard Copper Piping will expand If not, the unit may be damaged due to snow and contract due to temperature Multi-Kit...
  • Page 44 5. Refrigerant Piping Work < High Efficiency > < Heat Recovery > (Standard) RAS-080RNCBLW RAS-100RNCBLW RAS-080RNCC(L/R)W RAS-100RNCC(L/R)W Stop Valve Stop Valve Stop Valve Stop Valve Stop Valve Stop Valve (High/Low Pressure Gas) (High/Low Pressure Gas) (Liquid) (Gas) (Liquid) (Gas) Stop Valve Stop Valve Stop Valve Stop Valve...
  • Page 45 5. Refrigerant Piping Work (High Efficiency) RAS-080RNCBLW RAS-100RNCBLW Stop Valve Stop Valve (High/Low Pressure Gas) (High/Low Pressure Gas) Stop Valve Stop Valve Stop Valve Stop Valve (Liquid) (Liquid) (Low Pressure Gas) (Low Pressure Gas) Flaring Flaring Elbow B Elbow A Liquid Pipe Liquid Pipe (Field-Supplied)
  • Page 46 5. Refrigerant Piping Work • Construction Example (Heat Pump) The following figures show the examples of 3 unit combination. Regarding the piping work for Combination Unit, refer to Installation and Maintenance Manual attached to the piping connection kit. Front Side Piping Connection Perform the piping connection between outdoor units according to this figure.
  • Page 47 5. Refrigerant Piping Work • Construction Example (Heat Pump) The following figures show the examples of 4 unit combination. Regarding the piping work for Combination Unit, refer to Installation and Maintenance Manual attached to the piping connection kit. Front Side Piping Connection Piping Connection Kit 1 Liquid Piping (Liquid)
  • Page 48 5. Refrigerant Piping Work • Construction Example (Heat Recovery) The following figures show the examples of 3 units combination. Regarding the piping work for Combination Unit, refer to “Installation and Maintenance Manual” attached to the piping connection kit. Front Side Piping Connection High/Low Pressure Piping Connection Kit 1 Accessory...
  • Page 49 5. Refrigerant Piping Work • Construction Example (Heat Recovery) The following figures show the examples of 4 units combination. Regarding the piping work for Combination Unit, refer to “Installation and Maintenance Manual” attached to the piping connection kit. Front Side Piping Connection High/Low Pressure Piping Connection Kit 1 Gas Piping...

  • Page 50: Piping Work Between Outdoor Units

    5. Refrigerant Piping Work 5.5 Piping Work between Outdoor Units Select the pipe size according to items 5.5.1 to 5.5.4 “Piping Size between Outdoor Units”. The optional piping connection kit is required to combine For refrigerant piping work, the optional piping base units.
  • Page 51 5. Refrigerant Piping Work 2. Place the piping connection kit lower than the 3. Install an oil trap for the gas piping when the piping outdoor unit piping connection. length between the piping connection kits, or the In case that the piping connection kit is placed outdoor unit and the piping connection kit is 2m or higher than the outdoor unit piping connection, more to prevent any accumulation of refrigerant oil.
  • Page 52 5. Refrigerant Piping Work 4. Place the outdoor unit pipe horizontally or with the 5. For servicing, in case that the pipe is placed pipe slanted downward towards the indoor unit side frontward of the outdoor unit, secure min. 500mm so that accumulation of refrigerant oil may not occur between the outdoor unit and piping connection in the pipe.
  • Page 53 5. Refrigerant Piping Work 7. When the height difference between the outdoor c. Four Outdoor Unit Combination units exceeds 100mm, there are restrictions Three outdoor units must be lower than the depending on the number of connected outdoor fourth outdoor unit. units.

  • Page 54: Piping Size Between Outdoor Units (Base Unit)

    5. Refrigerant Piping Work 5.5.1 Piping Size between Outdoor Units (Base Unit) < Universal > (For ANZ) • Standard Type: RAS-080 to 240RNCCLW • High Efficiency Type: RAS-080 to 200RNCCLW < Universal > (for LA) • Standard Type: RAS-080 to 280RNCC(L/R)W Outdoor Unit To Indoor Units •...
  • Page 55 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-080 to 240RNCCLW (For ANZ) (ɸmm) RAS- RAS- RAS- RAS- RAS- RAS- RAS- Model 080RNCCLW 100RNCCLW 120RNCCLW 140RNCCLW 160RNCCLW 180RNCCLW 200RNCCLW 19.05 22.2 25.4 25.4 28.58 28.58 28.58 PressureGas High / Low Piping Size a 15.88 19.05...

  • Page 56: Piping Size Between Outdoor Units (2 Unit Combination)

    5. Refrigerant Piping Work 5.5.2 Piping Size between Outdoor Units (2 Unit Combination) < Universal > (For ANZ) • Standard Type: RAS-260 to 480RNCCLW • High Efficiency Type: RAS-220 to 400RNCBLW < Universal > (for LA) • Standard Type: RAS-300 to 560RNCC(L/R)W (Indoor Unit on Left Side) (Indoor Unit on Right Side) Outdoor Unit A...
  • Page 57 5. Refrigerant Piping Work • Heat Pump High Efficiency Type: RAS-220 to 400RNCBLW (For ANZ) (φmm) Model RAS-220RNCBLW RAS-240RNCBLW RAS-260RNCBLW RAS-280RNCBLW RAS-300RNCBLW RAS-320RNCBLW RAS-340RNCBLW Outdoor Unit A RAS-120RNCBLW RAS-120RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW RAS-180RNCBLW Comb. Unit Outdoor Unit B RAS-100RNCBLW RAS-120RNCBLW RAS-120RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW Piping Connection Kit MC-NP21SA1 28.58...
  • Page 58 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-300 to 560RNCC(L/R)W (For LA) (φmm) Model RAS-300RNCC(L/R)W RAS-320RNCC(L/R)W RAS-340RNCC(L/R)W RAS-360RNCC(L/R)W RAS-380RNCC(L/R)W RAS-400RNCC(L/R)W RAS-420RNCC(L/R)W Outdoor Unit A RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-220RNCC(L/R)W RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W Comb. Unit Outdoor Unit B RAS-120RNCC(L/R)W RAS-140RNCC(L/R)W RAS-160RNCC(L/R)W RAS-180RNCC(L/R)W RAS-160RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W Piping Connection Kit MC-NP21SX1 31.75...
  • Page 59 5. Refrigerant Piping Work • Heat Pump Standard Type: RAS-300 to 560RNCC(L/R)W (For LA) (φmm) Model RAS-300RNCC(L/R)W RAS-320RNCC(L/R)W RAS-340RNCC(L/R)W RAS-360RNCC(L/R)W RAS-380RNCC(L/R)W RAS-400RNCC(L/R)W RAS-420RNCC(L/R)W Outdoor Unit A RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-220RNCC(L/R)W RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W Comb. Unit Outdoor Unit B RAS-120RNCC(L/R)W RAS-140RNCC(L/R)W RAS-160RNCC(L/R)W RAS-180RNCC(L/R)W RAS-160RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W Piping Connection Kit MC-NP21SA1 31.75...
  • Page 60 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-260 to 480RNCCLW (For ANZ) (φmm) Model RAS-260RNCCLW RAS-280RNCCLW RAS-300RNCCLW RAS-320RNCCLW RAS-340RNCCLW RAS-360RNCCLW RAS-380RNCCLW Outdoor Unit A RAS-140RNCCLW RAS-160RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-220RNCCLW Comb. Unit Outdoor Unit B RAS-120RNCCLW RAS-120RNCCLW RAS-120RNCCLW RAS-140RNCCLW RAS-160RNCCLW RAS-180RNCCLW RAS-160RNCCLW Piping Connection Kit MC-NP21SX1 Low Pressure Gas...
  • Page 61 5. Refrigerant Piping Work • Heat Recovery High Efficiency Type: RAS-220 to 400RNCBLW (For ANZ) (φmm) Model RAS-220RNCBLW RAS-240RNCBLW RAS-260RNCBLW RAS-280RNCBLW RAS-300RNCBLW RAS-320RNCBLW RAS-340RNCBLW Outdoor Unit A RAS-120RNCBLW RAS-120RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW RAS-180RNCBLW Comb. Unit Outdoor Unit B RAS-100RNCBLW RAS-120RNCBLW RAS-120RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW Piping Connection Kit MC-NP21SX1 Low Pressure Gas...

  • Page 62: Piping Size Between Outdoor Units (3 Unit Combination)

    5. Refrigerant Piping Work 5.5.3 Piping Size between Outdoor Units (3 Unit Combination) < Universal > (For ANZ) • Standard Type: RAS-500 to 640RNCCLW • High Efficiency Type: RAS-420 to 480RNCBLW < Universal > (For LA) • Standard Type: RAS-580 to 840RNCC(L/R)W (Indoor Unit on Left Side) (Indoor Unit on Right Side) Outdoor Unit A...
  • Page 63 5. Refrigerant Piping Work • Heat Pump High Efficiency Type: RAS-420 to 480RNCBLW (For ANZ) (φmm) Model RAS-420RNCBLW RAS-440RNCBLW RAS-460RNCBLW RAS-480RNCBLW Outdoor Unit A RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW RAS-160RNCBLW Comb. Outdoor Unit B RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW Unit Outdoor Unit C RAS-140RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW Piping Connection Kit MC-NP30SA1 38.1...
  • Page 64 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-500 to 640RNCCLW (For ANZ) (φmm) Model RAS-500RNCCLW RAS-520RNCCLW RAS-540RNCCLW RAS-560RNCCLW RAS-580RNCCLW RAS-600RNCCLW RAS-620RNCCLW Outdoor Unit A RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-220RNCCLW RAS-220RNCCLW RAS-240RNCCLW RAS-220RNCCLW Comb. Outdoor Unit B RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-220RNCCLW Unit Outdoor Unit C RAS-140RNCCLW RAS-160RNCCLW RAS-180RNCCLW RAS-160RNCCLW RAS-180RNCCLW RAS-180RNCCLW RAS-180RNCCLW...
  • Page 65 5. Refrigerant Piping Work • Heat Recovery High Efficiency Type: RAS-420 to 480RNCBLW (For ANZ) (φmm) Model RAS-420RNCBLW RAS-440RNCBLW RAS-460RNCBLW RAS-480RNCBLW Outdoor Unit A RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW RAS-160RNCBLW Comb. Outdoor Unit B RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW RAS-160RNCBLW Unit Outdoor Unit C RAS-140RNCBLW RAS-140RNCBLW RAS-140RNCBLW RAS-160RNCBLW Piping Connection Kit MC-NP30SX1...
  • Page 66 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-580 to 840RNCC(L/R)W (For LA) (φmm) Model RAS-580RNCC(L/R)W RAS-600RNCC(L/R)W RAS-620RNCC(L/R)W RAS-640RNCC(L/R)W RAS-660RNCC(L/R)W RAS-680RNCC(L/R)W RAS-700RNCC(L/R)W Outdoor Unit A RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W Comb. Outdoor Unit B RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-220RNCC(L/R)W RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W Unit Outdoor Unit C RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-180RNCC(L/R)W RAS-220RNCC(L/R)W RAS-220RNCC(L/R)W...

  • Page 67: Piping Size Between Outdoor Units (4 Unit Combination)

    5. Refrigerant Piping Work 5.5.4 Piping Size between Outdoor Units (4 Unit Combination) < Universal > (For LA) • Standard Type: RAS-880 to H12RNCC(L/R)W (Indoor Unit on Left Side) Outdoor Unit A Outdoor Unit B Outdoor Unit C Outdoor Unit D Piping Connection Kit 1...
  • Page 68 5. Refrigerant Piping Work • Heat Pump Standard Type: RAS-860 to H12RNCC(L/R)W (For LA) (φmm) Model RAS-860RNCC(L/R)W RAS-880RNCC(L/R)W RAS-900RNCC(L/R)W RAS-920RNCC(L/R)W RAS-940RNCC(L/R)W RAS-960RNCC(L/R)W RAS-980RNCC(L/R)W ODU A RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-260RNCC(L/R)W ODU B RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W Comb.
  • Page 69 5. Refrigerant Piping Work • Heat Recovery Standard Type: RAS-860 to H12RNCC(L/R)W (For LA) (φmm) RAS-860RNCC(L/R)W RAS-880RNCC(L/R)W RAS-900RNCC(L/R)W RAS-920RNCC(L/R)W RAS-940RNCC(L/R)W RAS-960RNCC(L/R)W RAS-980RNCC(L/R)W Model ODU A RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-260RNCC(L/R)W ODU B RAS-220RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W Comb.
  • Page 70 5. Refrigerant Piping Work (φmm) RAS-H00RNCC(L/R)W RAS-H02RNCC(L/R)W RAS-H04RNCC(L/R)W RAS-H06RNCC(L/R)W RAS-H08RNCC(L/R)W RAS-H10RNCC(L/R)W RAS-H12RNCC(L/R)W Model ODU A RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W ODU B RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W Comb. Unit ODU C RAS-240RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-280RNCC(L/R)W RAS-280RNCC(L/R)W ODU D RAS-240RNCC(L/R)W RAS-240RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-260RNCC(L/R)W RAS-280RNCC(L/R)W Piping Connection Kit...

  • Page 71: Piping Size, Piping Connection And Multi-Kit Selection (Heat Pump)

    5. Refrigerant Piping Work 5.6 Piping Size, Piping Connection and Multi-Kit < Example 1 > Line Branch (Including Main Pipe Branch) Selection (Heat Pump) For selecting the pipe sizes between the outdoor unit Outdoor Unit A and the piping connection kit , between the piping connection kits and for piping connection kit...
  • Page 72 5. Refrigerant Piping Work 4 [Pipe Diameter after First Branch] Piping Size (ɸmm) < 2 Pipe System > Main Pipe Diameter (For ANZ) (Base Unit or Piping Connection Kit 1 to First Branch) [Multi-Kit of First Branch] Diameter (φmm) Total Indoor Model Unit HP Gas Pipe...

  • Page 73: Connection Between Outdoor Units, Multi-Kits And Indoor Units

    5. Refrigerant Piping Work • The maximum outdoor temperature during cooling operation [Pipe Diameter between Multi-Kit and Indoor Unit] is 43°C. Diameter (φmm) • Indoor Unit HP The height difference between the outdoor units and the Gas Pipe Liquid Pipe indoor units must be 50m or less when the outdoor units are 1.5 or less 12.7...

  • Page 74: Piping Branch Restrictions (Heat Pump)

    5. Refrigerant Piping Work • 5.7 Piping Branch Restrictions (Heat Pump) Allowable total piping length may become shorter than 1000m due to the limitation of maximum In the case that the piping length L2 from the Multi-Kit at additional refrigerant amount as following table. the first branch to the farthest indoor unit is over 40m.

  • Page 75: Restrictions On Height Difference Between Indoor Units (Heat Pump)

    5. Refrigerant Piping Work (Example 2): Installation without Main Piping Branch Header branch can be used with line branch. Header branch can also be used after the second branch. Do not connect a line branch to a header branch. 1. In the case that the piping length L2 is over 40m, the size of gas and liquid pipes (b, d, f) should be CORRECT increased by one size.

  • Page 76: Piping Size, Piping Connection And Multi-Kit Selection (Heat Recovery)

    5. Refrigerant Piping Work 5.9 Piping Size, Piping Connection and Multi-Kit Selection (Heat Recovery) For selecting the pipe sizes between the outdoor unit and the piping connection kit 1 , between the piping connection kits 2 and for piping connection kit A , refer to items from 5.5.1 to 5.5.4 “Piping Size between Outdoor Units”. Upstream Side <...

  • Page 77: Connection Between Outdoor Units And Connection Kit

    5. Refrigerant Piping Work Multi-Kit after First Branch (3 Pipes Portion) Term Symbol Description Total Total Example 1 a+b+c Total length of all liquid pipes Indoor Model Piping (sum) Example 2 d+e+f+g+h Unit HP Length <6 MW-NP142X3 Actual length of the liquid pipe Example 1 Maximum from outdoor unit stop valve...
  • Page 78 5. Refrigerant Piping Work < Header Branch > Branch using Multi-Kit (MH Model) (For LA) (φmm) Gas Pipe For 3 Pipe Portion Outdoor Unit HP Liquid Pipe High/Low Low Pressure Pressure Total Indoor No. of Header Model 19.05 15.88 9.52 Unit HP Branches 22.2...
  • Page 79 5. Refrigerant Piping Work 4 [Pipe Diameter after First Branch] (3 Pipes) 5 Diameter of Pipe between CH Unit, CH-Box and Multi-Kit < 3 Pipe System > For CH Unit (φmm) (For ANZ) (φmm) CH Unit Total IDU Low Pressure High/Low Liquid Total Indoor...

  • Page 80: Connection Between Outdoor Units, Multi-Kits And Indoor Units

    5. Refrigerant Piping Work 5.9.2 Connection between Outdoor Units, Multi-Kits and Indoor Units Comply with the following when installing the unit. Indicate what installer must comply with. This is not an example of compliance. Describe the limitation shown in the drawing.
  • Page 81 5. Refrigerant Piping Work < For 4 Units Combination > Upstream Side * Maintain a straight-line distance Outdoor of 500mm or more for piping a er Unit Outdoor Outdoor Outdoor the piping connection kit. Unit Unit Unit Piping Piping Connection Kit 2 Connection Kit 1 Piping...

  • Page 82: Restrictions On Height Difference (Heat Recovery)

    5. Refrigerant Piping Work • NOTES: The header branch cannot be connected to either • before or after the multiple branch type CH-Box. For 2 to 4 outdoor unit combination, the outdoor unit • When the height difference between indoor units “A”...

  • Page 83: Piping Branch Restrictions (Heat Recovery)

    5. Refrigerant Piping Work 5.11 Piping Branch Restrictions (Heat Recovery) In the case that the piping length L2 from the Multi-Kit at the first branch to the farthest indoor unit is over 40m. Indoor Unit First Branch and Main Piping Branch (Example 1): Installation with Main Piping Branch Multi-Kit CH-Box...
  • Page 84 5. Refrigerant Piping Work In case of the CH-Box (multiple branch type) is connected, Header branch cannot be connected to upstream or the following restrictions apply. downstream piping of CH-Box (multiple branch type). INCORRECT CORRECT Header Branch Upstream Downstream CH-Box First Branch (Multiple Branch Type) Multi-Kit...

  • Page 85: Electrical Wiring

    6. Electrical Wiring 6. Electrical Wiring 6.1 General Check 1. Make sure that the field-selected electrical components (main power switches, circuit breakers, wires, conduit WARNING connectors and wire terminals) have been properly selected according to the electrical data indicated • Turn OFF the main power switch of the indoor unit in Tables 6.1 to 6.4.

  • Page 86: Electrical Wiring For Outdoor Unit

    6. Electrical Wiring 6.2 Electrical Wiring for Outdoor Unit (1) Detail of Electrical Box Terminal < 400V/50Hz, 380-415V/50Hz, 380V/60Hz > Connect the electrical wirings according to the figures on Terminal Block for the right. Power Source (TB1) 1. Connect the power supply wires to L1, L2, L3, and N Screw (M8) (for 400V, 380-415V) or R, S and T (220V) for the three phase power source on the terminal block TB1 and...

  • Page 87: Electrical Wiring Connection

    6. Electrical Wiring (5) Details of Wiring Outlets inside the Electrical Box (Rubber Bush Section) CAUTION Rubber Bush (Wiring Outlet) • Tightly secure the power source wiring using a Correct Incorrect cord clamp inside the unit. NOTE: • Fix the rubber bushes with adhesive when conduit tubes to the outdoor unit are not used.
  • Page 88 6. Electrical Wiring 1. < Heat Pump > ELB (Earth Leakage Breaker) Power Source Wiring FUSE Outdoor Unit Power Source 3N~ 400V/50Hz S (Main Switch) Supply the power sources to each outdoor unit and 3N~ 380 - 415V/50Hz Power Source Wiring (O.U.) 3N~ 380V/60Hz indoor unit group respectively.
  • Page 89 6. Electrical Wiring 3. The recommended wiring, ELB and breaker sizes are shown in Table 6.1, 6.2, 6.3 and 6.4. • Standard Type: (For ANZ) Table 6.1 Electrical Data and Recommended Wiring, Breaker Size/1 Outdoor Unit Main Switch Maximum Running Nominal Fuse Model...
  • Page 90 6. Electrical Wiring • High Efficiency Type: (For ANZ) Table 6.2 Electrical Data and Recommended Wiring, Breaker Size/1 Outdoor Unit Main Switch Maximum Running Nominal Fuse Model Power Supply Nominal Nominal Current Sensitive Current Current Current (mA) 16.1 30 or 100 RAS-080RNCBLW 19.5 30 or 100...
  • Page 91 6. Electrical Wiring • Standard Type: (For LA) (380 - 415V) Table 6.3 Electrical Data and Recommended Wiring, Breaker Size/1 Outdoor Unit Main Switch Maximum Running Nominal Fuse Model Power Supply Nominal Nominal Current Sensitive Current Current Current (mA) 16.1 30 or 100 RAS-080RNCCLW 20.0...
  • Page 92 6. Electrical Wiring • Standard Type: (For LA) (220V) Table 6.4 Electrical Data and Recommended Wiring, Breaker Size/1 Outdoor Unit Main Switch Maximum Running Nominal Fuse Model Power Supply Nominal Nominal Current Sensitive Current Current Current (mA) 23.7 30 or 100 RAS-080RNCCRW 32.9 30 or 100...
  • Page 93 Use 2-core cable (equivalent to following cables: VCTF, VCT, CVV, MVVS, VVR or VVF, size: 0.75 mm to 1.25 mm (manufactured by HITACHI Cable Co. Ltd.)) or 2-core twist pair cable (equivalent to following cables: KPEV or KPEV-S (manufactured by HITACHI Cable Co. Ltd.)) for the control cable between the outdoor unit and the indoor unit.

  • Page 94: Electrical Wiring Connection Of Indoor Unit And Outdoor Unit

    6. Electrical Wiring 6.4 Electrical Wiring Connection of Indoor Unit and Outdoor Unit 1. Connect a power supply wiring to each outdoor unit. Connect an ELB, fuse and main switch (S) to each outdoor unit. 2. Connect a power supply wiring to each indoor unit group connected to the same outdoor unit. (Max.
  • Page 95 6. Electrical Wiring < Heat Recovery > Refrigerant Group 1 (Heat Pump System) Refrigerant Group 2 (Heat Recovery System) Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit (Main) (Sub) (Main) (Sub) L1 L2 L3 1 2 3 4 L1 L2 L3 N 1 2 3 4 L1 L2 L3 N 1 2 3 4...
  • Page 96 6. Electrical Wiring < 380-415V/50Hz, 380V/60Hz > Outdoor Unit A (Main) Outdoor Unit B (Sub) 1 2 3 4 1 2 3 4 Earth Earth : Terminal Block Main Switch : Printed Circuit Board : Field Wiring FUSE : Communication Wire (Shielded Twist Pair Cable) DC5V (Non-Pole Communication H-LINK System)
  • Page 97 6. Electrical Wiring < 220V/60Hz > Outdoor Unit A (Main) Outdoor Unit B (Sub) 1 2 3 4 1 2 3 4 Earth Earth : Terminal Block Main Switch : Printed Circuit Board : Field Wiring FUSE : Communication Wire (Shielded Twist Pair Cable) DC5V (Non-Pole Communication H-LINK System)

  • Page 98: Dip Switch Setting For Outdoor Unit

    6. Electrical Wiring 6.5 DIP Switch Setting for Outdoor Unit 1. TURN OFF all power sources before the setting. The switches will not work and the settings will become invalid unless the power sources are turned OFF. (However, DSW4-No.1, 2, 4, 5, 6 and push switches can be operated while power source is ON.) The mark “■”...
  • Page 99 6. Electrical Wiring 2. airCloud Tap application can be used to make installation settings except end terminal resistance. For details, refer to "Outdoor Unit Installation Setting" in the airCloud Tap application manual. NOTE: • Download aircloud Tap App via this code. NFC Touch area 3.
  • Page 100 6. Electrical Wiring 4. Setting of End Terminal Resistance • Before shipment, No. 1 pin of DSW10 (for the setting of end terminal resistance) is to the “ON” position. Setting of End Terminal Resistance DSW10 Before Shipment Cancellation ○ In the case of one refrigerant cycle in the same H-LINK or H-LINK II, set all No.
  • Page 101 6. Electrical Wiring 6. Function Setting External Input/Output & Function Setting To change the default setting, set the DIP switch (DSW4-4) to the ON position and then press and hold the push switches PSW2 (▲), PSW3(▶) and PSW5(◀) simultaneously for 3 seconds or longer to enter to the setting mode. In the setting mode, the setting type is displayed as shown below. Press the push switches PSW2 (▲) and PSW4 (▼) to display the desired setting type.

  • Page 102: Air-Tight Test And Additional Refrigerant Charge

    7. Air-Tight Test and Additional Refrigerant Charge 7. Air-Tight Test and Additional Refrigerant Charge 7.1 Air-Tight Test 1. Check to ensure that spindles of the stop valves for gas and liquid pipes are closed completely before air-tight test. Check the cap shape and tighten according to the torque specification as shown in the table below. 2.
  • Page 103 7. Air-Tight Test and Additional Refrigerant Charge < Air-Tight Test Method > NOTICE 1. Connect the manifold gauge to the check joints of the liquid line and the gas line stop valves using • If the gap is not covered, the unit may be damaged if charging hoses with a vacuum pump or a nitrogen snow, rain water or animals enter the unit.

  • Page 104: Vacuuming

    7. Air-Tight Test and Additional Refrigerant Charge 7.2 Vacuuming < Connecting > Connect a manifold gauge, vacuum gauge and vacuum pump to the check joints (Gas Stop Valve and Liquid Stop Valve). < Basic Method > If the penetration of moisture is suspected, perform “Triple Evacuation Method”...

  • Page 105: Additional Refrigerant Charge Calculation

    7. Air-Tight Test and Additional Refrigerant Charge 7.3 Additional Refrigerant Charge Calculation Table 7.1 Additional Refrigerant Charge Calculation < Heat Pump > Additional Refrigerant Charge Calculation Although refrigerant has been charged into this unit in advance, additional refrigerant charge is required according to piping length. Determine the additional refrigerant quantity according to the following procedure, and charge the system with it.
  • Page 106 7. Air-Tight Test and Additional Refrigerant Charge < Heat Recovery > Additional Refrigerant Charge Calculation Although refrigerant has been charged into this unit in advance, additional refrigerant charge is required according to piping length. Determine the additional refrigerant quantity according to the following procedure, and charge the system with it. Record the additional refrigerant quantity to facilitate maintenance and servicing activities thereafter.

  • Page 107: Charging Work

    7. Air-Tight Test and Additional Refrigerant Charge 7.4 Charging Work NOTE: • When the refrigerant is recovered or charged because 1. The additional refrigerant charge is required according of repairing, operating or adjusting the unit, record the to the total piping length. Refer to Table 7.1. refrigerant quantity again.
  • Page 108 7. Air-Tight Test and Additional Refrigerant Charge b. Operate the compressor in the cooling mode and NOTES: • charge the additional refrigerant from the check Charge the correct refrigerant quantity according to joint of the liquid stop valve (acceptable error must Table 7.1.

  • Page 109: Test Run

    7. Air-Tight Test and Additional Refrigerant Charge 8. Test Run Range below the limit concentration of 0.42 kg/m (Countermeasures Not Needed) Test run should be performed according to item 8.2. And use Table 8.1 for recording test run. Range above the limit concentration of 0.42 kg/m WARNING (Countermeasures Needed)

  • Page 110: Test Run

    8. Test Run 4. Check to ensure that the switch of the main power NOTICE source has been ON for more than 12 hours, to warm the compressor oil by the oil heater. • Confirm that field-supplied electrical components SET FREE "air365" series outdoor unit does not (main switch fuse, fuse-free breaker, earth leakage operate for at most 4 hours after power supply breakers, wires, conduit connectors and wire...
  • Page 111 8. Test Run Step4. Press “ ” or “ ”, select “LOUV.” and select “ ” (auto Test Run Setting: 2 units swing) by pressing “ ” or “ ”. MODE COOL The auto swing operation will start. Check the SPEED AUTO operation sound of the louvers.
  • Page 112 MODEL: SERIAL. No. COMPRESSOR MFG. No. 8. Test Run CUSTOMER'S NAME AND ADDRESS: DATE: Table 8.1 Test Run and Maintenance Record 1. Is the rotation direction of the indoor fan correct? MODEL: SERIAL No. COMPRESSOR MFG. No. 2. Is the rotation direction of the outdoor fan correct? CUSTOMER'S NAME AND ADDRESS: DATE: 3.
  • Page 113 8. Test Run Table 8.2 Alarm Code Code Category Content of Abnormality Leading Cause Activation of Float Switch (High Water Level in Drain Pan, Indoor Unit Activation of Protection Device (Float Switch) Abnormality of Drain Pipe, Float Switch, or Drain Pan) Activation of Protection Device Activation of PSH (Pipe Clogging, Excessive Refrigerant, Inert Outdoor Unit...
  • Page 114 8. Test Run Connection of CH-Box to Heat Pump System, Incorrect DSW Settings of Outdoor Unit for CH- Disconnection of CH-Box to Heat Recovery System CH Unit(Generation 1 model) and CH-Box(Generation 2 model) are used in the same system together. Incorrect Capacity Setting of Outdoor Unit and Incorrect Capacity Setting of Outdoor Unit and Indoor Unit, Indoor Unit...

  • Page 115: Safety And Control Device Setting

    9. Safety and Control Device Setting 9. Safety and Control Device Setting Compressor Protection The compressor is protected by the following devices and their combinations. 1. High Pressure Switch: This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting.
  • Page 116 9. Safety and Control Device Setting (High Efficiency Typ) (For ANZ) Model RAS-080RNCBLW RAS-100RNCBLW RAS-120RNCBLW RAS-140RNCBLW For Compressor Automatic Reset, Non-Adjustable Pressure Switches (each one for each compressor) -0.05 -0.05 -0.05 -0.05 High Cut-Out MPa 4.15 4.15 4.15 4.15 -0.15 -0.15 -0.15 -0.15...
  • Page 117 9. Safety and Control Device Setting (Standard Type) (For LA) (380-415V) RAS- RAS- RAS- RAS- RAS- RAS- Model 080RNCCLW 100RNCCLW 120RNCCLW 140RNCCLW 160RNCCLW 180RNCCLW For Compressor Automatic Reset, Non-Adjustable Pressure Switches (each one for each compressor) -0.05 -0.05 -0.05 -0.05 -0.05 -0.05 High...
  • Page 118 37.3 x 3 37.3 x 3 37.3 x 3 37.3 x 3 37.3 x 3 CCP Timer Non-Adjustable Setting Time min. For DC Fan Module Fuse Capacity 3~, 220V, 60Hz © 2022 Hitachi-Johnson Controls Air Conditioning, Inc. A16381E84N-rev.1, 2022 Printed in China...

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