Voltage Test Points On The Control Board - Trane Mitsubishi Electric TPEFYP006MS140C Technical & Service Manual

[ VIII Troubleshooting ]

4. Voltage test points on the control board

1. TPEFYP006, 008, 012, 015, 018, 024MS140C
Fuse
CND
С25(*1)
CN2M
SWE
SW2
SW4
CN42
SW3
CN81
CN32
HWE1833B
LED2 CN3A CN60 CN4Y
Fuse
CND
CN2M For M-NET transmission cable
SWE
SW2
CNP
SW4
CN42
SW3
CN81
CN32
CN3A
CNMF
C951(*1)
CN4Y
PC941(*1) CN52
CN51
CN41
LED1
CN44
CN4F
CN24
CN20
CN3C
CN3C
CN20
CNMF Fan motor output
CN24
CN4F
CN44
CNP
CN41
(*1)
V
CN51
FG
CN52
V
CC
Vsp Voltage between the C951 pins
- 26 -
Fuse(AC 250V 6.3A)
Power supply voltage (208 -
230VAC)
connection (24 - 30VDC)
Emergency operation
Capacity setting
Function setting
For address board connection
Function setting
For address board connection
Remote start/stop adapter
For MA remote controller cable
connection
(10 - 13 VDC (Between 1 and 3.))
For fan control
Remote display
Centralized control
JAMA standard HA terminal A
Thermistor (liquid/gas tempera-
ture)
Float switch
For heater control
Thermistor (Inlet temperature)
Indoor-outdoor transmission
(0 - 24VDC)
1 - 4: 310 - 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)
Drain-up mechanism output
(200VAC)
Voltage on the (-) side of PC941
and C25
(Same with the voltage between 7
(+) and 4 (-) of CNMF)
Voltage between the C25 pins
15 VDC
(Same with the voltage between 5
(+) and 4 (-) of CNMF)
0VDC (with the fan stopped)
1 - 6.5VDC (with the fan in opera-
tion)
(Same with the voltage between 6
(+) and 4 (-) of CNMF)
GB