Gree GRS-CQ8.0Pd/NaE-K Manuel D'utilisateur page 48

Air-to-water Heat Pump Split Versati
2V1_ON
2V1_OFF
3V2_ON
3V2_OFF
2V2_ON
2V2_OFF
3V1_ON
3V1_OFF
INDOOR_PUMP
CN8
SOLAR_PUMP
POOL_PUMP
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X7 Electric magnetic 2-way valve 1 is normally open
X8 Electric magnetic 2-way valve 1 is normally closed
X12 Electric magnetic 3-way valve 2 is normally open
X11 Electric magnetic 3-way valve 2 is normally closed
X13 Electric magnetic 2-way valve 2 is normally open
X14 Electric magnetic 2-way valve 2 is normally closed
X21 Electric magnetic 3-way valve 1 is normally open
X22 Electric magnetic 3-way valve 1 is normally closed
CN4 Control of the water pump for the main unit
CN8 Reserved
CN7 Control of the water pump for solar system
CN9 Control of the water pump for the main unit
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SPLIT TYPE