[ VIII Troubleshooting ]
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HWE13100 GB
3. Voltage test points on the control board
CN52 Remote display
CN51 Centralized control
CN41 JAMA standard HA terminal A
CN60 Linear expansion valve 12VDC
pulse output
CN7V Linear expansion valve 12VDC
pulse output
CN4F Float switch
CN3A For MA remote controller cable
connection
(10 - 13 VDC (Between 1 and 3.))
CNP Drain-up mechanism output (208-
230 VAC)
CN90 Fan motor output (208-230 VAC)
CNT Transformer (208-230 VAC)
CND Power supply voltage (208-230
VAC)
F901 Fuse 6.3A 250V
CN2M For M-NET transmission cable
connection (24 - 30VDC)
CN3T Transformer
LED1 Main power supply
LED2 Power supply for MA remote con-
troller
SW4 Model setting
SWE Emergency operation
SW7 Model setting
SW2 Capacity code setting
SW5 Voltage setting
SWC Option setting
SW8 Mode setting
SW3 Mode setting
SW14 Connection No. setting
SW1 Function setting
SW12 10's digit address setting
SW11 1's digit address setting
CN32 Remote switch
CN30 Humidity sensor
CN22 Thermistor (inlet temp. detection)
CN29 Thermistor (piping temp. detec-
tion/gas)
CN21 Thermistor (piping temp. detec-
tion/liquid)
CN20 Thermistor (outlet temp. detec-
tion)
SWE
SW4
CN52
CN51
CN41
CN60
CN3A
CNP
CN90
CNT
CND
F901
CN2M
CN3T
LED2
LED1
SW7
SW2
SW5
SW8
SW3
SW1
SW14
SW12
SW11
CN20 CN22CN21 CN29 CN32CN30
SWC
CN7V
CN4F
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