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RAS-12HNBRMQ1
User Manuals: Hitachi RAS-12HNBRMQ1 Pump
Manuals and User Guides for Hitachi RAS-12HNBRMQ1 Pump. We have
2
Hitachi RAS-12HNBRMQ1 Pump manuals available for free PDF download: Service Manual, Installation & Maintenance Manual
Hitachi RAS-12HNBRMQ1 Service Manual (187 pages)
HEAT PUMP AIR CONDITIONERS
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 57.02 MB
Table of Contents
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
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Hitachi RAS-12HNBRMQ1 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
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
General Check
35
Electrical Wiring Connection
36
Electrical Wiring for Outdoor Unit
38
6 DIP Switch Setting of Outdoor Unit
40
7 Test Run
42
Before Test Run
42
Test Run by DIP Switch of Outdoor Unit
42
Test Run by Wired Controller
43
8 Safety and Control Device Setting
48
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