Hitachi RAS-3HVRNS3 Installation And Operation Manual
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- Installation and operation manual (42 pages) ,
- Instruction manual (172 pages)
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Summary of Contents for Hitachi RAS-3HVRNS3
- Page 1 INSTALLATION AND OPERATION MANUAL UTOPIA IVX PREMIUM / IVX STANDARD SERIES RAS-(2/2.5)HVNP1 / RAS-3HVNC1 UTOPIA ES SERIES RAS-3HVRNS3...
- Page 3 English Specifications in this manual are subject to change without notice in order that HITACHI may bring the latest innovations to their customers. Whilst every effort is made to ensure that all specifications are correct, printing errors are beyond Hitachi’s...
- Page 4 C A U T I O N This product shall not be mixed with general house waste at the end of its life and it shall be retired according to the appropriated local or national regulations in a environmentally correct way. Due to the refrigerant, oil and other components contained in Air Conditioner, its dismantling must be done by a pro- fessional installer according to the applicable regulations.
- Page 5 English From 4th July 2007 and following Regulation EC Nº 842/2006 on Certain Fluorinated Greenhouse gases, it is mandatory to fill in the label attached to the unit with the total amount of refrigerant charged on the installation. Do not vent R410A/R407C into the atmosphere: R410A & R407C are fluorinated greenhouse gases covered by the Kyoto protocol global warming potential (GWP) R410A/R407C: = 1975/1652.5.
- Page 6 Protection Plastic Film Peel-off Paper Adhesive Surface Figure 1. F-Gas Label with Protection Plastic Film Figure 2. Protection Plastic Film English Instructions to fill in the "F-Gas Label": 1.- Fill in the Label with indelible ink the refrigerant amounts: - Factory Charge, - Additional Charge &...
- Page 7 Important note: Please, check, according to the model name, which is your air conditioner type, how it is abbreviated and referred to in this instruction manual. This Installation and Opera- MODELS CODIFICATION tion Manual is only related to Indoor Units FSN(H)(2/3/4)(M/E)(i)(k) combined with Outdoor Units HVN(P/C)1 & RAS-3HVRNS3.
- Page 8 MODELLI POMPA DI CALORE - MODELOS BOMBA DE CALOR VARMEPUMPEMODELLER - MODELLEN MET WARMTEPOMP MODELLER ENDAST FÖR KYLNINGSFUNKTION - ΜΟΝΤΕΛΑ ΜΕ ΑΝΤΛΙΑ ΘΕΡΜΟΤΗΤΑΣ Single Phase - Monofásico - Einphasig - Monophasé - Monofase Monofásico - Enfaset - Eenfasig - En fas - Μονοφασικά 1~ 230V 50Hz Unit RAS-3HVRNS3...
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Page 9: Table Of Contents
INDEX ÍNDICE PART I OPERATION 1ª PARTE: FUNCIONAMIENTO 1. GENERAL INFORMATION 1. INFORMACIÓN GENERAL 2. SAFETY 2. SEGURIDAD 3. PRODUCT GUIDE 3. GUÍA DE PRODUCTO 4. IMPORTANT NOTICE 4. AVISO IMPORTANTE 5. SYSTEM DESCRIPTION 5. DESCRIPCIÓN DEL SISTEMA 6. TRANSPORTATION AND HANDLING 6. - Page 10 INDHOLDSFORTEGNELSE INHOUDSOPGAVE DEL I - BETJENING DEEL I BEDIENING 1. GENEREL INFORMATION 1. ALGEMENE INFORMATIE 2. SIKKERHED 2. VEILIGHEID 3. PRODUKTVEJLEDNING 3. PRODUCTGIDS 4. VIGTIG MEDDELELSE 4. BELANGRIJKE MEDEDELING 5. SYSTEMBESKRISELVE 5. SYSTEEMBESCHRIJVING 6. TRANSPORT OG HÅNDTERING 6. TRANSPORT EN HANTERING 7.
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Page 11: General Information
No part of this publication may be reproduced, copied, filed or HITACHI makes every effort to offer correct, up-to-date docu- transmitted in any shape or form without the permission of mentation. Despite this, printing errors cannot be controlled by HITACHI Air Conditioning Products Europe, S.A.U. -
Page 12: Safety
Product guide 2.2 ADDITIONAL INFORMATION ABOUT SAFETY • If circuit breaker or fuse is often activated, stop the system and contact your service contractor. D A N G E R • Do not make service or inspections tasks by yourself. This •... -
Page 13: Important Notice
However, if abnormally high pressure is applied to tioning for human beings. For use in other applications, plea- the refrigeration cycle including the high pressure vessel(s), se contact your HITACHI dealer or service contractor. it will result in serious injury or death due to explosion of •... -
Page 14: System Description
N O T E RCI-FSN3 (High efficiency – 4 step fan speed) indoor unit can connect in 1 indoor unit combination only. For use in 2 indoor units combination, please contact your Hitachi dealer or service contractor. 6 TRANSPORTATION AND HANDLING When hanging the unit, ensure a balance of the unit, check safety and lift it up smoothly. -
Page 15: Before Operation
Before operation 7 BEFORE OPERATION C A U T I O N • Turn OFF the main switch when the system is to be stopped • Supply electrical power to the system for approximately 12 for a long period of time: If the main switch is not turned OFF, hours before start-up or a long shutdown. -
Page 16: Basic Troubleshooting
Basic troubleshooting 10 BASIC TROUBLESHOOTING No operation C A U T I O N Check whether the SET TEMPERATURE is set at the correct • When water leakage from the indoor unit occurs, stop the temperature. operation and contact your contractor Not cooling well or heating well ... - Page 17 Name of parts PART II-INSTALLATION 11 NAME OF PARTS If do you want more information check the technical catalogue. RAS-(2/2.5)HVNP1 / RAS-3HVNC1 / RAS-3HVRNS3 Part Name Part Name Compressor Stop valve for liquid line Accumulator Check joint for high/low pressure (Cool/Heat)
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Page 18: Refrigerant Cycle
Refrigerant cycle 12 REFRIGERANT CYCLE Refrigerant flow direction Refrigerant flow direction Field refrigerant piping Flare connection Brazing connection (cooling) (heating) Part name Part name Compressor High pressure switch for protection Heat exchanger Pressure switch for control Accumulator Stop valve for gas line Expansion valve Stop valve for liquid line Discharge thermistor... -
Page 19: Units Installation
Units installation 13 UNITS INSTALLATION 13.1 OUTDOOR UNITS INSTALLATION • Cleaning liquid shall be collected after cleaning. • Pay attention not to clamp cables when attaching the service C A U T I O N cover to avoid electric shock or fire. •... - Page 20 Units installation a) In case of front side and either of the sides are open (single unit) b) In case that surrounding wall exist (single unit) 1000 c) In case that upper side obstacles exist (single unit) ≤ 0 < L ≤ 1/2 H A ≥...
- Page 21 Units installation Installing location where the unit will be exposed to strong wind. Follow the instructions below to install on the ro- oftop or a location without surrounding buildings, where strong wind is expected against the product. CAUTION Choose a location where the outlet or inlet side of the product will not be exposed to strong wind.
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Page 22: Installation Place Provision
Units installation 13.3 INSTALLATION PLACE PROVISION 1 Secure the outdoor unit with the anchor 5 The whole of the base of the outdoor unit should be installed on a foundation. When using vibration-proof mat, it should also be positioned the same way. When installing the outdoor Base of unit on a field supplied frame, use metal plates to adjust the outdoor unit... -
Page 23: Refrigerant Piping Work
Refrigerant piping & refrigerant charge 14 REFRIGERANT PIPING & REFRIGERANT CHARGE 14.1 REFRIGERANT PIPING WORK 14.1.1 Piping materials C A U T I O N 1 Prepare locally-supplied copper pipes. • Do not use insulation material that contains NH3 because it 2 Select the piping size with the correct thickness and correct can damage cooper pipe material and can be a source of fu- material which can have sufficient pressure strength. -
Page 24: Piping Connection For Outdoor Unit
34-42 34-42 33-42 33-42 14-18 14-18 RAS-3HVNC1 9-11 68-82 34-42 33-42 33-42 14-18 14-18 RAS-3HVRNS3 9-11 68-82 34-42 33-42 33-42 14-18 14-18 Refrigerant pressure Spindle valve Use two spanners Tighten the spindle with a torque above: Refrigerant piping here for pipe con- Counterclockwise…. -
Page 25: Refrigerant Piping Length
Keep the design point within the dark area of the chart, which is showing the applicable height difference according to piping length. In case that a piping length is shorter than 5 meters, contact the Hitachi dealer. 14.3.1 Piping Length specification 14.3.2 Piping system for header branch... -
Page 26: Refrigerant Piping Selection
Installing Distributor 1 Selecting the distributor Flare adapter Indoor unit Gas pipe Liquid pipe Install the distributor supplied by HITACHI on request the T-joint Big size can not be installed instead of a branch pipe. 2.0 HP 15.88→ 12.70) ∅... -
Page 27: Refrigerant Charge
Refrigerant piping & refrigerant charge 14.4 REFRIGERANT CHARGE For charging refrigerant, connect the gauge manifold using charging hoses with a refrigerant charging cylinder C A U T I O N to the check joint of the liquid line stop valve. •... -
Page 28: Refrigerant Charging Quantity
0.03 0.024 RAS-3HVNC1 0.04 0.04 RAS-3HVRNS3 0.04 0.04 1 Determine an additional refrigerant quantity according to the following procedure, and charge it into the system. 2 Record the additional refrigerant quantity to facilitate service activities thereafter. C A U T I O N •... -
Page 29: Drain Piping
This drain boss is not sufficient to collect all the drain water. If DBS-12L RAS-3HVNC1 collecting drain water is completely required, provide a drain- RAS-3HVRNS3 pan that is bigger than the unit base and install it under the unit with drainage. Connecting procedure ... -
Page 30: Electrical Wiring
RAS-2HVNP1 RAS-3HVNC1 wiring connection hole with the seal material to protect the RAS-2.5HVNP1 RAS-3HVRNS3 product from any condensed water and insects. 3 Harmonics situation of each model regarding IEC 61000-3-2 • Tightly secure the wires with the cord clamp inside the indoor and IEC 61000-3-12 is as follows: unit. - Page 31 4 push switch. The location is as follows: Setting position Model RAS-2.5HVNP1 Setting position RAS-3HVNC1 Model RAS-3HVRNS3 Setting position DSW301: Test run mode DSW4 / RSW1: Refrigerant cycle number setting (Setting is required) Setting before shipment...
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Page 32: Common Wiring
Electrical wiring 16.3 COMMON WIRING 16.3.1 Electrical wiring between indoor unit and • In the case that a conduit tube for field-wiring is not used, fix rubber bushes with adhesive on the panel. outdoor unit • H-LINK twist pair shielded cable must be grounded in the •... - Page 33 1~ 230V 50Hz 4.0 mm 0.75 mm² RAS-3HVNC1 1~ 230V 50Hz 4.0 mm RAS-3HVRNS3 1~ 230V 50Hz 4.0 mm N O T E • Follow local codes and regulations when selecting field wires, Circuit breakers and Earth Leakage breakers •...
- Page 34 48 units per H-LINK system Maximum wiring length: Total 1000m (including CSNET WEB). In case that the total wiring length is longer than 1000m, contact the Hitachi dealer. Indoor units Recommended cable: Twist pair cable with shield, over 0.75mm...
- Page 35 Electrical wiring 16.3.4 DIP switch setting for multiple H-LINK system The DIP switches of all the outdoor and indoor units have to be set as follows: Setting before the Unit Name of DIP switch Mark Function shipment DSW5-1 is “ON” position before shipment. •...
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Page 36: Installation Of Remote Controller
Installation of remote controller 17 INSTALLATION OF REMOTE CONTROLLER 17.1 INSTALLATION OF REMOTE CONTROL SWITCH (PC-ART EXAMPLE) All data related to Installation about Remote Control Switch are in the specific Installation Manual. PC-ART Please refer to Installation Manual PMML0177A for PC-ART and PMML0225A for PC-ARF. 18 TEST RUNNING When installation is completed, perform test run according to the following procedure, and hand over the system to the customer. - Page 37 Test running 18.1 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH (PC-ART EXAMPLE) Turn ON the power source of the units Operation lamp Counting Procedure for TEST RUN mode of remote control switch. number of Depress the MODE and the OK switches together for more than 3 se- connected conds.
- Page 38 Test running Remote control switch Inspection points after power source Unit condition Wrong portions indication Connecting order of each terminal boards. Screw fastening of each terminal boards. The power source of outdoor unit in not turned The operation lamp N O T E flickers.
- Page 39 Test running Dip switch setting Operation Remarks Take care that the indoor units start opera- Setting of operation mode. The indoor unit automatically start to tion in accord with the test run operation of operate when the test run of the outdo- Cooling: Set DSW301 pin 1-2 OFF.
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Page 40: Troubleshooting
Safety summary & control device setting 19 SAFETY SUMMARY & CONTROL DEVICE SETTING Compressor Protection Fan Motor Protection High pressure switch: When the fan motor current is reached to the setting, motor output is decreased. This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting. - Page 41 Troubleshooting Code Category Content of abnormality Leading cause number Failure of fan motor, drain discharge, PCB, relay, float switch activa- Indoor unit Tripping of protection device Outdoor unit Tripping of protection device Activation of PSH, locked motor Abnormality between indoor (or outdoor) and Incorrect wiring, failure of PCB, tripping of fuse, power supply OFF outdoor (or indoor) Transmission...
- Page 44 Printed in Japan...