Hitachi RAS-3.0HNBRKQ1 Mini VRF System Manuals

Manuals and User Guides for Hitachi RAS-3.0HNBRKQ1 Mini VRF System. We have 2 Hitachi RAS-3.0HNBRKQ1 Mini VRF System manuals available for free PDF download: Service Manual, Installation & Maintenance Manual

Hitachi RAS-3.0HNBRKQ1 Service Manual (187 pages)

HEAT PUMP AIR CONDITIONERS

Brand: Hitachi | Category: Air Conditioner | Size: 57.02 MB

Table of Contents
2
Installation
8
Before Installation
9
Necessary Tools and Instrument List for the Installation
9
Structure
11
Refrigerant Cycle Diagram
14
Model of Outdoor Unit
15
Transportation
16
Factory Supplied Accessories
17
Outdoor Unit Installation
18
Installation Location and Precautions
18
Service Space
20
Installation Work
23
Refrigerant Piping Work
25
Precaution for Refrigerant Piping
25
Model of Branch Pipe
28
Refrigerant Piping Size
29
Refrigerant Piping Work for Outdoor Unit
31
Air Tight Test
33
Vacuuming
34
Additional Refrigerant Charge Calculation
35
Additional Refrigerant Charge Work
36
Pressure Measurement
37
Electrical Wiring
37
General Check
38
Electrical Wiring Connection
39
Electrical Wiring for Outdoor Unit
41
DIP Switch Setting of Outdoor Unit
43
Test Run
45
Before Test Run
45
Test Run by DIP Switch of Outdoor Unit
45
Test Run by Wired Controller
46
Safety and Control Device Setting
47
Drain Adapter: DC-01Q (Optional Parts)
48
Troubleshooting
50
Initial Troubleshooting
51
Checking Electrical Wiring and Power Source
51
Location of Printed Circuit Boards
53
Checking Rotary Switch and DIP Switch Settings
61
Checking Wired Controller
64
Checking of Protection Control Information
79
Troubleshooting Procedures
80
Alarm Code Indication of Wired Controller
80
Troubleshooting Using Alarm Codes
81
Procedures for Checking
112
Checking Method for Outdoor Unit PCB of 3~6.5HP
112
Checking Method for PCBA of 7~12HP
116
Checking Method of Electronic Expansion Valve
122
Maintenance
123
Outdoor Unit
124
Removing Service Cover
124
Removing Air Outlet Grille
125
Removing Upper Cover
126
Removing Lower Service Cover and Rear Cover
127
Removing Outdoor Fan Motor
128
Removing Electrical Box
130
Removing Compressor
134
Removing High Pressure Switch and Pressure Sensor
136
Removing 4-Way Valve Coil
137
Removing Electronic Expansion Valve Coil
138
Removing Solenoid Valve Coil (SVA)
139
Removing 4-Way Valve
140
Removing Electronic Expansion Valve and Solenoid Valve
141
Main Parts
142
Inverter
142
Rotary Compressor
146
Scroll Compressor
147
Thermistor
148
Electronic Expansion Valve for Outdoor Units
149
Pressure Sensor
150
High Pressure Switch
151
Noise Filter (NF1)
151
Reader (DCL)
152
External Input/Output and Function Setting
153
External Input/Output Setting Method
154
Exteral Input and Output Settings
156
Definition of External Input and Output Settings
156
External Input Function Setting
157
External Output Function Setting
161
Function Setting
163
Service and Maintenance Record by 7-Segment Display
166
Field Work Instructions
167
Caution for Refrigerant Leakage
168
Modifications of Charging Refrigerants
168
Maintenance Work
168
Service and Maintenance Record
170
Saturation Curve for Refrigerant
171
Service Parts List
172

Hitachi RAS-3.0HNBRKQ1 Installation & Maintenance Manual (52 pages)

INVERTER-DRIVEN MULTI-SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS

Brand: Hitachi | Category: Air Conditioner | Size: 12.11 MB

Table of Contents
4
1 Safety Instructions

5
2 Before Installation

8
- Necessary Tools and Instrument List for Installation
  8
- Structure
  10
- Refrigerant Cycle Diagram
  13
- Model of Outdoor Unit
  14
- Transportation
  15
- Factory Supplied Accessories
  16
3 Outdoor Unit Installation

16
- Installation Location and Precautions
  16
- Service Space
  18
- Installation Work
  21
4 Refrigerant Piping Work

23
- Precaution for Refrigerant Piping
  23
- Model of Branch Pipe
  26
- Refrigerant Piping Size
  28
- Refrigerant Piping Work for Outdoor Unit
  29
- Air Tight Test
  31
- Vacuuming
  32
- Additional Refrigerant Charge Calculation
  33
- Additional Refrigerant Charge Work
  34
- Pressure Measurement
  34
5 Electrical Wiring

35
6 DIP Switch Setting of Outdoor Unit

40
7 Test Run

42
8 Safety and Control Device Setting

48

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Hitachi RAS-3.0HNBRKQ1 Mini VRF System Manuals

Hitachi RAS-3.0HNBRKQ1 Service Manual (187 pages)

Table of Contents

Hitachi RAS-3.0HNBRKQ1 Installation & Maintenance Manual (52 pages)

Table of Contents

1 Safety Instructions

2 Before Installation

3 Outdoor Unit Installation

4 Refrigerant Piping Work

5 Electrical Wiring

6 DIP Switch Setting of Outdoor Unit

7 Test Run

8 Safety and Control Device Setting

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