LG PDI Manuale Utente Pagina 10

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10
INSTALLATION METHOD
ENGLISH
• When interlocked to GHP product
- Independent Operation of Power Indicator (interlocked to GHP product)
Wattmeter
Pulse signal(Power)
Pulse signal(Gas)
Power In 3
phase 4 wire
380-415 V 3N~,
50/60 Hz
Gas meter
(00) (01) (02) (03)
RS-485
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
Gas pipe
Pulse signal wire(Gas)
CAUTION
• Use the wattmeter for remote reading to send pulse signal depending on wattage.
• 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).
• Use the gas meter for remote reading to send pulse signal depending on gas consumption.
• Use the gas meter with the pulse width of 50 ms or more.
• Use the gas meter containing the max. gas pressure of 0.2 m
3
/h ~ 10 m
3
/h.
Gas meter pulse must be able to sink at least 3 mA of current or more in the power indicator.
• Use the gas meters for 1
/Pulse, 2
/Pulse, 4
/Pulse, 6
/Pulse, 8
/Pulse, 10
/Pulse,
100
/Pulse, VT&Pr(1 ~ 50 000).
• Set to Master Mode when setting the wattmeter or gas meter.
• Wattmeter or gas meter can be installed up to 1.
• Connection cable for the power indicator and wattmeter (gas meter) must not exceed 10 m
in normal circumstance.
Reduce the length of connection cable if there is any electrical or mechanical noise on the site.
For watt-hour meter and gas meter setting, inquire to the corresponding vendor
h GHP (Gas engine Heat Pump): It is a gas air-conditioner to drive the compressor with LNG or LPG as
a heat source and the gas engine electric power.
!
1,MFL67982907,영영 2017. 7. 13. 영영 1:13 Page 10
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