LG Multi V5 Service Manual page 195

Please refer to the Safety Precautions on pages 4-7 for more detail to prevent injury or death regarding the operation and service
WARNING
troubleshooting of the Multi V product.
•
• Outdoor unit information is displayed in sequence at the main PCB SSD. See tables at below for code definitions.
Table 87:
Display
8 10 12 14 18 20 22 24 26 28 32 34 36 38 40 42
Code
Nominal
6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36
Mb/h
Table 89:
Sequence
1
2
3
4
5
6
7
Checking the Pressure Imbalance for a Three Outdoor Unit System (Master + Slave 1 + Slave 2)
1. Close all the service valves to the high pressure and low pressure piping.
2. Operate system.
3. View the difference between the high pressure and low pressure with LGMV for each outdoor unit (Master, Slave 1, Slave 2).
4. If there is an outdoor unit in which the difference between high pressure and low pressure did not increase, then the four-way valve of that
outdoor unit is defective and must be replaced.
Description
Master Outdoor Unit Nominal Capacity
Slave1 Outdoor Unit Nominal Capacity
Slave2 Outdoor Unit Nominal Capacity
Total Nominal Capacity of System
Heat Pump
Unit Type
Heat Recovery
208-230V / 60Hz / 3Ø
Unit Voltage
460V / 60Hz / 3Ø
Efficiency Level
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
ERROR CODES
Error No. 151, continued.
Table 88:
Outdoor Unit Code
Electrical Requirements 208-230V / 60Hz / 3Ø
Code(s)
8 - 14*
8 - 24*
8 - ~*
8 - ~ *
2
3
22
46
1 or 2
22 46
460V / 60Hz / 3Ø
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