LG PPWRDB000, Инструкция по установке и эксплуатации

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INSTALLATION METHOD
9
ENGLISH
• Interlocked Operation with Central Controller (interlocked to EHP product)
(00) (01) (02) (03)
(10) (11) (12) (13)
P
o
w
er cable of indoor unit
Power In
single phase
220-240 V~,
50/60 Hz
Wattmeter
Power In 3
phase 4 wire
380-415 V 3N~,
50/60 Hz
Pulse signal
RS-485
RS-485
(LGAP)
Pulse signal
POWER WHM
PPWRDB000
ODU
MENU
SELECT
WHM CHECK
Power cable for 3 phase 4 wire
Power cable for single phase
Communication cable (2 wire shielded cable): Between outdoor unit and central controller
Communication cable (2 wire shielded cable): Between indoor unit and outdoor unit
Pulse signal wire
Refrigerant pipe
CAUTION
• Depending on the electric power, use the wattmeter for remote reading by sending the
pulse signal.
• Use the wattmeter with the pulse width of 50 ms ~ 400 ms.
• The wattmeter pulse must be able to sink at least 3 mA or more of current in the power
indicator.
• Use the wattmeter of 1 W/Pulse, 2 W/Pulse, 4 W/Pulse, 6 W/Pulse, 8 W/Pulse, 10
W/Pulse, 100 W/Pulse, PT/CT (1 ~ 50 000).
• When setting the wattmeter, set it to Slave Mode.
• Maximum of 2 wattmeters can be installed.
• The distance between power indicator and wattmeter should be shorter than 10 m in
normal circumstance.
• When electrical or mechanical noise is expected, more shorter wiring is needed.
• For watt-hour meter setting, inquire to the corresponding vendor
!
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EHP (Electric Heat Pump): It is an electric air conditioner to drive the compressor by electric power.
1,MFL67982907,영영 2017. 7. 13. 영영 1:13 Page 9