Quest Engineering 876 User Manual

1-877-420-1330
Quest 876 Installation, Operation and Maintenance Instructions
14
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info@QuestClimate.com
Wiring Diagram of the Quest 876 Dehumidifier
4039867 Rev. B
XFMR
COMPRESSOR
CA PAC ITOR
COMPRESSOR
BLOWER R ELAY
BLK 12
WHT 13
BLOWER
RED
YEL
COMPRESSOR
CONTACTOR
IM PELLE R
CA PAC ITOR
CAREL C .PCO MINI HIGH END PLC
J7
BLK 14
WHT 15
RED 33
BLK
WHT 45
RED 32
YEL 11
J1
J11
NO3
C3/4/5
NO4
C3/4/5
NO5
J2
J8
ID1 ID2 GND Y1 Y2 GND
WHT 40,41
BLK 43 ,44
3A BREAKER
GR N 51
LINE1
LINE2
GRN
INPUT POWER
1
2
3
4
BRN 48
WHT 41
VIO 46
VIO 47
GR N 36
RED 49
GRY 37
ELECTRONIC
EX VALVE
M
BLU 3
BLK 4
BLK
BLU
BRN
GRN
BLU 2
HP
SWITCH
J9
+5VREF GND +VDC
BLK
RED 31,32,33,49
VIO 28
BLK 29
GR N 26
BLU 27
FL OAT
FL OAT
DH UM
R
FAN
C
ORG 50
PRESS
INLE TPROBE
EV AP
SUCT 1 SUCT 2
TB
CAREL
J2
CAREL J1,
J8/J9,J11,
24V
SUCTION PRESS
SENSOR
EVAP THERMISTOR
P ROB E
EVAP THERMISTOR
BULB
SUCT ION
THERMISTOR 1
SUCT ION
THERMISTOR 2
INLET THERMISTOR
BULB
1: U1 (OR G 16) 2: U2 (GRN 17)
3: U3 (BL U 18) 4: GND (BL K 19) 5: U4 (V IO 20) 6: U5 (WHT 21)
7: U6 (BR N 22) 8: GND (BL K 23) 9: U7 (OPEN )
10: U8 (PNK 25) 11: U9 (OPEN)
12: U10 (GRY 24)
1
2
3
4
5
6
7
ORG 5
BLU 6
YEL 7
GR N 8
RED 9
YEL 10
YEL 10
10
9
8
7
6
5
4
3
2
1
RED 30
RED 31
RED 32
RED 33
YEL 35
YEL 34
GRY 37
GR N 36
GR N 36
BLU 2
WHT 39,40,41
BLK 42,43,44
WHT 39
BLK 42
WHT 40
BLK
CRANKCASE
HEATER 50 W
GRN/
YEL
G G0 V b
HEATER RELAY
1: U1 (OR G 16) 2: U2 (GRN 17) 3: U3 (BL U 18)
4: GND (BL K 19) 5: U4 (V IO 20) 6: U5 (WHT 21)
7: U6 (BR N 22) 8: GND (BL K 23)
9: U7 (OPEN) 10: U8 (PNK 25) 11: U9 (OPEN) 12: U10 (GRY 24) 13: GND (OPEN )
1: WHT 2: BL K 3: GRN
J3- DISP
VTERM
TX/RX-
TX/RX+
GND
4: BL U/WHT
3: GRN 2: RED 1: BL K/YEL
DISPLAY
YEL 35
DISCONNECT
SWITCH, DPST
RED 31
RED 30
YEL 34

Quest Engineering 876 Specifications

General

Brand	Quest Engineering
Model	876
Category	Dehumidifier
Language	English