Wiring diagram - 80% single-stage furnace, Caution precaution, Figure 28: wiring diagram – Thermo Pride Spirit Gas TG8S Single Stage PSC 80% User Manual
Page 29: Flashes diagnostic fault codes fault condition, Fault code retrieval, Legend, Legende

998491-UIM-B-1013
Johnson Controls Unitary Products
29
SECTION XI: WIRING DIAGRAM
FIGURE 28: Wiring Diagram
115VAC
MOT
IDM
EAC
HUM
COOL
HEAT
EAC
HUM
HSI
HUM
DS
TST
GND
GND
GV
LS
PS
EAC
R
G
Y
W
EAC
HUM
BRN
ROS
ROS
W
Y
G
C
R
BLU
BLU - MED HI
BLK
DS
GRN
BRN
BRN
GND
HSI
IDM
BLK - HI
YEL - MED LOW
RED - LOW
WHT
MOT
GRN
GND
BRN
BLK
WHT
GRY
GRY
TAN
TAN
WHT
WHT
WHT 115VAC
24V SEC
115V COM
PRI
XFMR
FURNACE CONTOL
24V SEC
115V COM
XFMR
PRI
1
2
3
4
1
2
S2
C
1
2
3
4
5
6
8
7
9
10
11
12
S1
C
G
R
W
Y/Y2
PARK
PARK
XFMR
EAC
HEAT
HI COOL
L1
NEUTRALS
C
C
NO
NO
NO
ROS
ROS
FS
GV
PS
RED/WHT
RED/BLK
YEL
RED
YEL
PRP
ORN/BLK
RED
ORN
RED/GRN
C
LS
1
2
NO
SEE NOTE 2
THE 40,000 INPUT
FURNACE HAS ONLY
ONE ROLLOUT SWITCH
CAP
CAP
Wiring Diagram - 80% Single-Stage Furnace
Flashes
Diagnostic Fault Codes
Fault Condition
Power Off or blown fuse
Normal Operation
Normal Operation with call for heat
Low flame sense current
No G from thermostat
Control Failure
Flame present with gas off
Check pressure switch wiring
Vent OR termination problem
Airflow problem OR open fuse
Flame Rollout OR open fuse
Repeated 3 Red
Failed to light burners
Loss of flame during call for heat
Hot/Neutral reversed OR
poor ground/neutral OR Twinning error
Gas valve shorted "ON"
Check blower motor/wiring
None
Slow Green
Slow Amber
Rapid Amber
4 Amber
Steady on Red
1 Red
2 Red
3 Red
4 Red
5 Red
6 Red
7 Red
8 Red
9 Red
10 Red
11 Red
SERVICING THIS UNIT
OPEN ALL DISCONNECTS BEFORE
CAUTION
PRECAUTION
OUVREZ LES DISJONCTEURS AVANT
DE PROCEDER AVEC LE SERVICE
1042419-UWD-A-0413
Fault Code Retrieval
To retrieve fault codes, push and release ERROR button on control board. The LED will flash the
last five error codes, beginning with the most recent. If there are no fault codes in memory, the LED
will give two green flashes. To clear the fault code memory, push and hold the ERROR button for
at least five seconds. The LED will give three green flashes when the memory has been cleared.
Notice - Only a qualified service technician should use this feature.
Fault code retrieval functions will work only if there are no active thermostat signals.
NOTES:
1. Si l'un des fils d'origine fourni avec ce four doit être remplacé, il doit être
remplacé avec le fil ayant un degré de température d'au moins
221 degrés F (105 degrés C ).
2. Les connexions à grande vitesse du moteur du ventilateur indiqués sont
typiques, mais peuvent varier selon le modèle et par application.
NOTES:
1. 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 221 degrees F (105 degrees C ).
2. Blower motor speed connections shown are typical, but may vary by
model and application.
DS -
ROS -
PS -
TST -
HSI -
MOT -
IDM -
FS -
GV -
EAC -
LS -
HUM -
CAP -
XFMR -
Legend
Door switch
Rollout switch
Pressure switch
Wall thermostat
Hot surface igniter
Circulating motor
Inducer motor
Flame sensor
Gas valve
Electronic air cleaner
Limit switch
Humidifier
Capacitor
Transformer
DS -
ROS -
PS -
LS -
XFMR -
MOT -
IDM -
EAC -
GV -
HSI -
TST -
FS -
CAP -
HUM -
Legende
Commutateur de porte
Commutateur de roulement
Commutateur de pression
Commutateur de limite
Transformeur
Moteur soufflerie
D'induct moteur
Filtre électrique
Soupape de gaz
Ignition de surface chaud
Thermostat
Capteur de flame
Capaciteur
Humidificateur