LG THERMA V HU121MA Manuals

Manuals and User Guides for LG THERMA V HU121MA. We have 1 LG THERMA V HU121MA manual available for free PDF download: Installation Manual

LG THERMA V HU121MA Installation Manual (307 pages)

AIR-TO-WATER HEAT PUMP

Brand: LG | Category: Heat Pump | Size: 81 MB

Table of Contents
2
Preface
8
[Chapter 1] SAFETY INSTRUCTIONS
9
[Chapter 2] INSTALLATION PART
18
[Chapter 3] GENERAL INFORMATION
21
Model Information
21
Related Information
23
Parts and Dimensions
24
Indoor Unit : External
24
Indoor Unit : Internal
25
Outdoor Unit : External
32
Control Parts (for Split)
35
Control Parts (for Hydrosplit 1-Pipe)
37
Control Parts (for Hydrosplit 2-Pipe)
38
Control Panel
39
Typical Installation Example
40
Cycle Diagram (for R410A)
46
Water Cycle (for R410A)
51
Installation of Outdoor Unit
58
Conditions Where Outdoor Unit Is Installed
58
Drill a Hole in the Wall (for Split)
58
Multiple Installation
59
Transporting the Unit
61
Installation at Seaside
63
Seasonal Wind and Cautions in Winter
64
Installation of Indoor Unit
65
Conditions Where Indoor Unit Is Installed
65
Floor Area Requirement : Indoor Unit (for R32 Split)
68
Ventilation Requirements
69
Electrical Wiring
74
Point for Attention Regarding Quality of the Public Electric Power Supply
76
Circuit Breaker Specification
78
Piping and Wiring for Outdoor Unit
80
Refrigerant Piping
80
Preparation for Piping
81
Connecting Pipe to Indoor Unit
82
Connecting Pipe to Outdoor Unit
82
Wiring Procedure for Power Cable and Connecting Cable
83
Finalizing
85
Leakage Test and Evacuation
86
Water Piping and Water Circuit Connection
89
Piping and Wiring for Indoor Unit
89
Water Charging
91
Pipe Insulation
91
Water Pump Capacity
92
Pressure Drop
92
Performance Curve
93
Water Quality
95
Frost Protection by Antifreeze
95
Frost Protection by Antifreeze Valve (for Hydrosplit)
96
Water Volume and Expansion Vessel Pressure
98
Electrical Wiring
99
Terminal Block Information
100
Accessories Installation
106
Before Installation
109
Thermostat
109
Installation Condition
109
General Information
110
Final Check
113
2Nd Circuit
114
3Rd Party Backup Heater (for Hydrosplit)
120
3Rd Party Boiler
122
3Rd Party Controller
123
Meter Interface
124
Central Controller
125
DHW Tank
126
Installation Condition
126
General Information
126
DHW Tank Kit
130
Solar Thermal Kit
134
Dry Contact
136
External Controller - Setting up Programmable Digital Input Operation
138
Remote Temperature Sensor
139
Solar Pump
142
External Pump
143
Wi-Fi Modem
144
Smart Grid (for Split R32 Indoor Unit 4 Series, for Split R410A Indoor Unit 3 Series)
145
Energy State (for Split Indoor Unit 5 Series, for Hydrosplit)
146
Digital Input for Energy Saving (ESS, Smart Grid)(for Split Indoor Unit 5 Series, for Hydrosplit)
147
2Way Valve
148
General Information
148
How to Wire 2Way Valve
148
3Way Valve(A)
149
3Way Valve(B)
150
Final Check
151
[Chapter 9] CONFIGURATION
152
DIP Switch Setting (for Split R32 Indoor Unit 4 Series, for Split R410A Indoor Unit 3 Series)
152
Outdoor PCB
156
DIP Switch Setting (for Split Indoor Unit 5 Series, for Hydrosplit)
158
Service Setting
166
How to Enter Service Setting
166
Service Contact
167
Model Information
168
RMC Version Information
169
Open Source License
170
Installer Setting
171
How to Enter Installer Setting
171
Installer Setting (for Split R32 Indoor Unit 4 Series, for Split R410A Indoor Unit 3 Series)
172
Minutes Delay
174
Select Temperature Sensor
175
Dry Contact Mode
176
Central Control Address
177
Pump Test Run
178
Air Cooling Set Temp
179
Water Cooling Set Temp
180
Air Heating Set Temp
181
Water Heating Set Temp
182
DHW Set Temp
183
Screed Drying
184
Heater on Temperature
186
Water Supply off Temp. During Cooling
188
Tank Disinfection Setting
190
Tank Setting 1
191
Tank Setting 2
192
Heater Priority
194
DHW Time Setting
195
TH On/Off Variable, Heating Air
197
TH On/Off Variable, Heating Water
198
TH On/Off Variable, Cooling Air
199
TH On/Off Variable, Cooling Water
200
Heating Temp. Setting
201
Cooling Temp. Setting
202
Pump Setting in Heating
203
Pump Setting in Cooling
204
Forced Operation
205
Cn_Cc
206
Pump Capacity (for Split R32 Indoor Unit 4 Series)
208
Smart Grid (SG)
209
Power Supply Blockage (Smart Grid)
210
Seasonal Auto Temp
211
Modbus Address
213
Cn_Ext
214
Anti-Freezing Temperature
215
Add Zone
216
Use External Pump
217
Rd Party Boiler
218
Meter Interface
219
Pump Prerun/Overrun
220
Solar Thermal System
221
Current Flow Rate (for Split R32 Indoor Unit 4 Series)
223
Data Logging
224
Password Initialization
225
INSTALLER SETTING (for Split Indoor Unit 5 Series, for Hydrosplit)
226
Select Temperature Sensor
229
Use Heating Tank Heater
230
Mixing Circuit
231
Use External Pump
234
RMC Master/Slave
235
LG Therma V Configuration
236
Forced Operation
237
Pump Prerun/Overrun
238
Water Flow Control
239
Energy Monitoring (for Split Indoor Unit 5 Series, for Hydrosplit 2-Pipe)
240
Anti-Freezing Option 1 (for Split R32 Indoor Unit 5 Series, for Split R410A Unit 4 Series, for Hydrosplit 1-Pipe, for Hydrosplit 2-Pipe)
241
Password Reset
242
Screed Drying
243
Heater on Temperature
245
Air Heating Set Temp
247
Water Heating Set Temp
248
Hysteresis Room Air(Heating)
249
Hysteresis Heating Water
250
Heating Temp. Setting
251
Pump Setting in Heating
252
Air Cooling Set Temp
253
Water Cooling Set Temp
254
Water Supply off Temp. During Cooling
255
Hysteresis Room Air(Cooling)
256
Hysteresis Cooling Water
257
Cooling Temp. Setting
258
Pump Setting in Cooling
259
Seasonal Auto Temp
260
Heater Priority
263
DHW Set Temp
264
Tank Disinfection Setting
265
Tank Setting 1
266
Tank Setting 2
267
DHW Time Setting
269
Recirculation Time (for Split Indoor Unit 5 Series, for Hydrosplit 2-Pipe)
271
Solar Thermal System
272
Pump Test Run
274
Frost Protection Temp
275
Dry Contact Mode
276
Central Control Address
277
Cn_Cc
278
Energy State
279
Thermostat Control Type
282
Pump Operation Time
283
IDU Operation Time
284
Modbus Address
285
Modbus Gateway Memory Map
286
Cn_Ext
289
Meter Interface
291
Current Flow Rate
292
Data Logging
293
Commissioning
294
Check List before Starting Operation
294
Starting Operation
295
Starting Operation Flow Chart
296
Airborne Noise Emission
296
Limiting Concentration(for R410A)
296
Vacuum & Charge of Refrigerant
297
Charge of Refrigerant
298
Trouble Shooting
301
Troubleshooting for Problem While Operation
301
Troubleshooting for Error Code
302

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LG THERMA V HU121MA Manuals

LG THERMA V HU121MA Installation Manual (307 pages)

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