GE ASH220NCDWA Service Manual page 33

ASH436NCDWA
0150538688
B W
Y/G
L2 L1
CN6
DRIVE MODULE
T
U V W
R W B
COMPRESSOR
Factory defaultof main control board SW5 & SW7
ON
SW5
1 2 3 4 5 6 7 8
4U36EH2VHA1
ON
SW7
1 2 3 4 5 6 7 8
Definition of main control board SW6
SW6-1 SW6-2 SW6-3 Centralized control address
SW6-4
Indoor unit address group1
OFF OFF OFF OFF
( NO.1-NO.5) (default)
Indoor unit address group2
ON OFF OFF OFF
( NO.6-NO.10)
......
Indoor unit address group
ON ON
ON ON
16( NO.76-NO.80)
SW1-1 SW1-2 SW1-3 Definition of Dispaly board SW1
SW1-4
OFF OFF OFF OFF Normal Operating(default)
ON OFF OFF OFF Manually forced Heating
OFF ON OFF OFF
Manually forced Cooling
Rated Operating（fixed speed）
OFF OFF ON OFF
OFF OFF OFF ON Time Defrost Valid
ON ON ON ON IDU&ODU Wiring Error Check
Wiring Diagrams
DC FAN
MOTOR
BL Y W B R
W
FG Vsp Vcc
GND Vdc
CN11
W
R
5V(V+)
B
COM
ON
GND
W
CN9
SW7
BL
Start/+ Stop/-
Tc
Ts
MAIN CONTROL BOARD
fin
Ta
Td
LED1
T e
pin1 D C B A
W
R
Toci
pin1
pin1
CN1 ( TC1)
B
CN13 CN15 CN16
CN12
W R R
Y
E.E.V-O E.E.V-A
A B
CN2 ON
SW1
SERVICE
DISPLAY
BOARD
SMG1
LED5 LED4 LED3 LED2 LED1
C1 C2
Remote
central
A B
controller
ON
Means switch at ON position
ON
Means switch at OFF position
Other detail s about the service information please please refer to technical service mannual.
OUTDOOR TECHNICAL OVERVIEW
Topic Title
4-WAY
CRANKCASE BASE PAN
VALVE
HEATER
HEATER
OR OR
GRY BL
R
BL
CON9
W
GR
CN5
CN4
CON8 R
FUSE
ON ON
250VAC T5A
SW6 SW5
FAN FA
LED2 pin1
A
SW1 SW2 SW3 SW4
B
D
D C B A
CN23
pin1
W
Y
TC2)
CN24(
CN8
CN17 CN18 CN19
GR W W
BL
E.E.V-B E.E.V-C E.E.V-D
MAIN side pin1-DISPLAY side pin5
R
R
B
W
W
B
1 2 3 1 2 3 1 2
To Indoor
To Indoor
To Indoor
Unit D Unit C
Unit B
B W
B
ACL(L1) '
'
L1
L2
ACL(L2)
W
B
P4 P3 P2 P1
W
B
B
Y/G
R
POWER FILTER
R
BOARD
R
C
R
L1 L2
W
Y/G
W B
L1 L2 G
Power supply
W
R
R
W
B
3 1 2 3
To Indoor
Unit A
ENGLISH
abbreviation
Sensor :
Tc: Condensing Temp.
Ts: Compressor Suction
Temp.
Ta: Ambient Temp.
Td: Compressor Discharge
Te: Defrosting Temp.
Tfin: Module Temp.
TC1:Condensing Temp.
for Indoor Units A/B/C/D
(Gas Pipe)
TC2:Condensing Temp.
for Indoor Units A/B/C/D
(Liquid Pipe)
Toci: Outdoor
Condensing inlet Temp.
Other abbreviation:
OR: Orange,Y/G:
Yellow/Green,W: White,
Y: Yellow, BR: Brown,
B: Black, BL: Blue,
GR:Green ,GRY:GREY
R: Red E.E.V:Electro
expansion valve,
LP/HP:
Low /high pressure switch
Note:
1.Dashed parts are
optional.
2.Please refer to
service manual to get
details of the DIP
switches .
3.Do not change the
DIP switches setting
without technical
support.
4.The LED1-LED5 in
the service display
board in turn
corresponds to the
communication status
of ndoor unitA,B,C,D.
LED will not lit if
communication
abnormal.
0150538688
B-21