[
VII
Troubleshooting ]
- 20 -
HWE18160
GB
4. Voltage test points on the control board
1. PFFY-P20, 25, 32, 40, 50, 63VCM-E
F1
Fuse (AC 250V 6.3A)
CND
Power supply voltage (220 -
240VAC)
CN2M
For M-NET transmission cable
connection (24 - 30VDC)
SWE
Emergency operation
SW2
Capacity setting
SW4
Function setting
SW3
Function setting
CN32
Remote start/stop adapter
CN3A
For MA remote controller cable
connection
(10 - 13 VDC (Between 1 and 3.))
CN52
Remote display
CN51
Centralized control
CN41
JAMA standard HA terminal A
CN44
Thermistor (liquid/gas tempera-
ture)
CN20
Thermistor (Inlet temperature)
CNMF1 Fan motor output
1 - 4: 294 - 340 VDC
5 - 4: 15 VDC
6 - 4: 0 - 6.5 VDC
7 - 4: Stop 0 or 15 VDC
Run 7.5 VDC
(0 - 15 pulse)
(*1)
V
FG
Voltage on 3 of PC352 and the (-)
side of C081
(Same with the voltage between 7
(+) and 4 (-) of CNMF)
V
CC
Voltage between the C084 pins
15 VDC
(Same with the voltage between 5
(+) and 4 (-) of CNMF)
Vsp Voltage between the C351 pins
0VDC (with the fan stopped)
1 - 6.5VDC (with the fan in opera-
tion)
(Same with the voltage between 6
(+) and 4 (-) of CNMF)
CNMF1
CN44
CN22
CN20
CN3A
SW1
SW2
SW4
SW21
SW3
CN52
CN51
CN41
SW22
F1
CND
SWE
CN32
CN2M
HWE18160.book 20 ページ 2019年2月18日 月曜日 午前9時59分
Summary of Contents for CITY MULTI PFFY-P20VCM-E
Page 1: ......
Page 5: ...HWE18160 GB HWE18160 book 2 ページ 2019年2月18日 月曜日 午前9時59分 ...
Page 39: ......