Goodman Mfg VC8 - Manual (Page 47)

47
*MVC8_AB, *DVC8_AA W
IRING
D
IAGRAM
TO +VDC
TO
MICRO
TO
R
GND (4)
+ VDC (1)
RX (2)
TX (3) CIRCULATOR
INDOOR
AIR
BLWR
RD
GY
BL
BK
PROPERLY POLARIZED
HUMIDIFIER
GND
PROTECTION DEVICE
HEAT OFF
DELAY
BURNER COMPARTMENT
24 V
3 A
BL
POWER SUPPLY WITH
LINE
12
TO
C
2
BK
RD
UNUSED
DISCONNECT POWER
4
IGNITER
FLAME SENSOR
INTEGRATED CONTROL MODULE
POWER BEFORE
YL
TERMINAL
HI
OR ORANGE
MVH (14)
CO
NN
E
C
T
O
R
PM
ECM MTR
HARNESS
NO
24 VAC
HI VOLTAGE FIELD
115kBTU MODELS
AUTO RESET PRIMARY
LIMIT CONTROL
BEFORE SERVICING.
RD
PS1 (2)
3
YL YELLOW
CIRCULATOR
BK
BR BROWN
4
BK
OVERCURRENT
24V HUM.
0140F00660 REV. A
IGNITER
115 VAC/ 1
BLOWER COMPARTMENT
24
BK
PM
1
WH WHITE
FUSE
15
INDUCED
DRAFT
BLOWER
EAC
C
3
BL BLUE
6
115 VAC
INDUCTOR COIL
WH
GND
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST
RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE
IN STANDBY (NO THERMOSTAT INPUTS)
Ø /60 HZ POWER SUPPLY WITH
ADJUST
TO 115VAC/ 1
BK BLACK
DEHUM
5
HEAT
LINE
GND
24V HUM.
2
BK
HOT
SURFACE
IGNITER
MVC (8)
2
NEUTRAL
RD
WH
DOOR
LOW FIRE PRESS.
SWITCH
4
3
2
WH
VAC
GND
LOW VOLTAGE (24V)
2 CIRCUIT
CONNECTOR
HUM
DEHUM
2
HI VOLTAGE (115V)
OVERCURRENT
PSO (7)
WH
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE
USED WHEN SERVICING.
ONLY
C
AIR CLEANER
TWO STAGE
GAS VALVE
(HONEY WELL)
DISCONNECT
HIGH FIRE
PRESS. SWTICH
INDOOR
HUMIDIFIER
Ø /60 HZ
PK PINK
N
9
MANUAL RESET ROLLOUT
LIMIT CONTROLS
IND LO
14
40 VA
AUTO RESET AUXILIARY LIMIT
CONTROLS
HU
M
YL
JUNCTION
BLWR
PU PURPLE
1
CIRCULATOR
BLOWER
R
1
GND
JUNCTION BOX
SWITCH (TEMP.)
NEUTRAL
115kBTU MODELS
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
C
LINE
BK
YL
NEUTRAL
4
NEUTRAL
POLARIZED AND
11
C
FS
2
PLUG CONNECTION
DISCONNECT
PU
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 C. USE COPPER CONDUCTORS ONLY.
IN
T E
G
R
A
T
E
D
CO
N
T
RO
L
MO
DU
LE
RD
INTEGRATED CONTROL
PROT. DEVICE
8
HIGH FIRE
PRESSURE
SWITCH
WH
ONLY
24 V THERMOSTAT CONNECTIONS
W1
INTERNAL TO
70kBTU,90kBTU,
NO
EQUIPMENT GND
MVL (13)
O
SERVICING. WIRING
2ND STG DLY
WH
RD
YL
ID BLOWER TWO-STAGE PRESSURE
SWITCH ASSEMBLY
BL
5
GND (5)
BK
IND HI
IGN
PK
HLO (10)
70kBTU,90kBTU,
NOTES:
PU
L
AIR
WH
MANUAL RESET ROLLOUT LIMIT
CONTROLS
Y1
GY GRAY
ELECTRONIC
RD RED
Y2
RD
NEUTRAL
1
HLI (1)
WH
SWITCH
AUTO RESET PRIMARY
LIMIT CONTROL
NO
TRANSFORMER
MUST BE PROPERLY
13
BL
3
OVERCURRENT PROTECTION DEVICE
T-STAT
5
BR
BK
2
GROUNDED.
LOW VOLTAGE FIELD
W2
DELAY
WARNING:
7
FIELD GND
FIELD SPLICE
SWITCH (PRESS.)
W2
WH
115
NEUTRAL
BLWR
3
GND
FS
1
AND GROUNDED.
4
GAS
VALVE
PU
INDUCTOR COIL
TH (4)
C
HI
24
V
H
U
M
.
TO UNIT MUST BE
VAC
G
YL
C
TR (11)
YL
GR
GN GREEN
HOT SURFACE
FLAME
SENSOR
PS2 (12)
LOW FIRE
PRESSURE
SWITCH
1
COLOR CODES:
L
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO
N.E.C. AND LOCAL CODES.
DIAGNOSTIC
LED'S
RD
3
10
WIRING TO UNIT
OR
NO
NEUTRAL
N
SEE
NOTE 5
BR
COOL
40 VA
TRANSFORMER
ID
TO
MICRO
WARNING:DISCONNECT
PU
AUTO RESET
AUXILIARY
LIMIT CONTROL
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
FUSE 3 A
2
24
V
T
H
E
R
M
O
S
TA
T
C
O
N
N
E
C
T
IO
N
S
5 C
IRC
UI
T CO
NN
E
C
T
O
R
E A
C
BK
4 C
IR
C
UI
T
M
O
T O
R
3
T
W
O
-S
TA
G
E
1
DE
H
U
M
YL
YL
WH
R
IN
T
E
G
R
A
T
E
D
C
O
N
T
R
O
L M
O
D
U
LE
GN
W1
JU
NCTI
O
N B
O
X
WH
OR
BL
C
H
A
S
S
IS
GR
OU
N
D
BK
IN
T
E
G
R
A
T
E
D
C
O
N
T
R
O
L M
O
D
U
LE
G Y2 O 2 1
YL
BR
WH
DI
P
S
W
IT
CH
E
S
Y1
WH
RD
1
C
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
H
IG
H
V
O
LTA
G
E
!
D
IS
CO
NNE
CT
AL
L
PO
WER
BE
F
O
RE
SE
R
V
IC
IN
G
OR
IN
S
T
A
LLI
N
G
TH
IS
UNI
T
.
M
U
LTI
P
L
E
PO
WER
S
O
U
RCE
S
MA
Y
BE
PR
E
S
EN
T
. F
AIL
U
RE
TO
DO
SO
MA
Y
CAU
S
E
PR
O
P
E
R
T
Y
DAM
AG
E
,
P
E
RS
O
NAL
INJ
URY
OR
DE
AT
H
.