Wiring Diagrams - Goodman GCH9 Technical Manual

WIRING DIAGRAMS

24V THERMOSTAT
CONNECTIONS
C G
INTEGRATED
ON
*
FACTORY SETTINGS
SHOWN
DIAGNOSTIC
LED
115 VAC HOT AND PARK TERMINALS
COOL-H
GND
WH
BR
BR
CAPACITOR
BLOWER COMPARTMENT
BURNER COMPARTMENT
GND
RD OR
N
O
WH
ID BLOWER
PRESSURE
SWITCH
2 CIRCUIT
CONNECTOR
HOT
SURFACE
IGNITER
STEADY ON = NORMAL OPERATION
0
OFF
1 FLASH =
1
2 FLASHES = PRESSURE SWITCH STUCK CLOSED
2
3 FLASHES = PRESSURE SWITCH STUCK OPEN
3
4 4 FLASHES = OPEN HIGH LIMIT
5 FLASHES = FLAME SENSE WITHOUT GAS VALVE
5
6 FLASHES =
6
7 FLASHES = LOW FLAME SIGNAL
7
8 8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING
CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY
C
COLOR CODES:
YL YELLOW
OR ORANGE
PU PURPLE
GN GREEN
BK BLACK
0140F00647 REV. B
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
16
OR
24 VAC
HUMIDIFIER
GY
24 VAC
40 VA
TRANSFORMER
115 VAC
R W
Y
WH
BK
OR
FUSE
3 2 1 PU
4 OR
6 5
CONTROL
MODULE
9 8 BL
7
OFF
YL
11
12 10
2ND
STAGE
OR
*
DELAY
OR
GY
BR
MODE *
RD
HEAT
GY
OFF
OR
*
DELAY
WH
FS
SEE
NOTE 6
2
WH
1
HEAT-H
BK
LINE-H
SEE
NOTE 4
BK (HI)
PK
RD
BL (MED)
OR (MED LOW)
RD (LOW)
BK
CIRCULATOR
BLOWER
YL
PU
BK
WH WH
INDUCED DRAFT
BLOWER
WH
AUTO RESET
PU
PRIMARY LIMIT
CONTROL
BL
YL
OR
C
PK
MANUAL RESET ROLLOUT LIMIT CONTROL(S)
( SINGLE CONTROL ON 45K BTU )
24 VAC
HUMIDIFIER
FRONT COVER
PRESSURE SWITCH
N
C
PM
1 GY O
GND
C
2 OR
HI BR
3
GAS VALVE
(HONEYWELL)
= CONTROL FAILURE
SYSTEM LOCKOUT (RETRIES EXCEEDED)
OPEN ROLLOUT OR OPEN FUSE
NOTES:
PK PINK
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
BR BROWN
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
WH WHITE 3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL
HAVING A TEMPERATURE RATING OF AT LEAST 105
BL BLUE
4. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE SAME, DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS. UNUSED
GY GRAY
BLOWER LEADS MUST BE PLACED ON "PARK" TERMINALS OF INTEGRATED CONTROL OR TAPED.
RD RED
5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
6. TO RECALL THE LAST 5 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN
STANDBY (NO THERMOSTAT INPUTS)
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
C
G
TO
Y
MICRO
GY
W
R
GR
TH (3)
XFMR-H
GY
GY
LINE-H
DOOR
SWITCH
WARNING:
DISCONNECT POWER
BEFORE SERVICING.
WIRING TO UNIT
MUST BE
PROPERLY
POLARIZED
AND GROUNDED.
RD
JUNCTION
BL
BOX
GY WH
GR
BK
FLAME
SENSOR
LOW VOLTAGE (24V)
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED CONTROL
PLUG CONNECTION
°C. USE COPPER CONDUCTORS ONLY.
GCH9*****XAC
INTEGRATED
HUMIDIFIER
CONTROL MODULE
TR (6)
C
GND
GND (8) GAS
HI
VALVE
MVC (9)
PM
MVH (12)
AUXILIARY LIMIT CONTROLS
MVL(2)
NO
FRONT COVER
PS (10) PRESSURE SWITCH
PSO (4)
HLI (7)
HLO (1)
C
AUTO RESET PRIMARY
LIMIT CONTROL
ID BLOWER
RO2 (11)
PRESSURE
SWITCH
RO1 (5)
MANUAL RESET ROLLOUT
LIMIT CONTROL(S)
(SINGLE CONTROL ON 45K BTU)
24 VAC
40 VA
TRANSFORMER
115 VAC
FLAME SENSOR
FS
HOT SURFACE
IGNITER
IGN
ID
BLWR
IND
COOL-H CIRCULATOR
BLWR
ELECTRONIC
AIR CLEANER
EAC-H
JUNCTION BOX
DISCONNECT
GND
L N
TO 115VAC/ 1 Ø /60 HZ POWER SUPPLY WITH
OVERCURRENT PROTECTION DEVICE
WARNING:DISCONNECT POWER BEFORE
SERVICING.WIRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
N
GND
L
DISCONNECT
EQUIPMENT GND
FIELD GND
FIELD SPLICE
SWITCH (TEMP.)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
C
NO