17
18
CN50, CN51: Compressor inverter module communication ports
19
CN55: EXV drive port
20
CN60, CN71: Wired controller communication ports
21
CN24: Outdoor ambient temperature sensor and air side refrigerant outlet temperature sensor
connections
22
CN69: Water side heat exchanger ant-freezing temperature sensor 1, coil final outlet temperature,
discharge temperature sensor 2 and discharge temperature sensor 1 connections.
23
CN31: Air suction temperature sensor, water side heat exchanger anti-freezing temperature sensor 2,
water side heat exchanger water outlet temperature sensor, water side heat exchanger water inlet
temperature sensor and combined water outlet temperature sensor connections.
24
CN40: System pressure sensor connection
25
CN41, CN42: Inverter module temperature 1 and Inverter module temperature sensor 2 connections
temperature sensor 2 connections
26
CN62: AC indicator A and AC indicator B connections
27
CN65: Low pressure switch connection
28
CN47: High pressure switch and discharge temperature switch(es) connections
29
CN58, CN59: AC filter board communication ports
30
CN44: Water flow switch, remote function of on/off and cool/heat connections
31
IC10: EEPROM
32
CN21: Remote alarm connection
33
CN19_N: Electric auxiliary heater N line connection
34
CN19_L: Electric auxiliary heater N line connection
Label descriptions are given in Table 8-5
Fig. 8-11 Main PCB of KEM-90 DNS3
Содержание KEM-30 DNS3
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