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3 - GSR-M10-DC/T, GSR-M12-DC/T, GSR-M14-DC/T, GSR-M16-DC/T
Silk Screen
AC-L
N
X3
X20
X21
X22
X23
X24
X25
X26
X27
X28
X29
X30
X31
X32
X33
X34
CN30
CN31
CN18
CN19
CN15
CN15
CN15
CN16
CN16
CN16
CN8
CN9
CN7
CN6
CN5
CN20
CN21
CN22
CN23
CN24
CN25
CN26
CN1
CN2
CN3
CN4
Live wire of power supply
Neutral wire of power supply
To the ground
E-heater of water tank
E-heater 1
E-heater 2
Assistant heat by 220VAC
Reserved
Electric heater for the plate-type heat exchanger
Reserved
Electric magnetic 2-way valve 1 is normally open
Electric magnetic 2-way valve 1 is normally closed
High-power load control
High-power load control
Electric magnetic 3-way valve 1 is normally open (reserved)
Electric magnetic 3-way valve 1 is normally closed (reserved)
Electric magnetic 3-way valve 2 is normally open (water tank)
Electric magnetic 3-way valve 2 is normally closed (water tank)
Signals 1, 2, 3, 4, power supply 5
Signals 1, 2, 3, 4, power supply 5
Interface to the variable-frequency water pump
Interface to the variable-frequency water pump
20K temperature sensor (inlet water)
20K temperature sensor (outlet water)
20K temperature sensor (refrigerant liquid line)
20K temperature sensor (refrigerant vapor line)
10K temperature sensor (leaving water for the auxiliary electric heater)
20K temperature sensor (reserved)
15K temperature sensor (room) (CN5)
10K temperature sensor (room) (CN6)
Temperature sensor
Temperature sensor (CN9)
Temperature sensor (CN8)
Thermostat
Detection to welding protection for the auxiliary electric heater 1
Detection to welding protection for the auxiliary electric heater 2
Detection to welding protection for the water tank electric heater
Door-guard detection
Flow switch
Reserved
485-112V 4-pin
485-1communiction without12V 4-pin
485-2 communication without 12V 3-pin
485-2 communication with 12V 4-pin
Introduction
40
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