Armstrong G2D80CT - Connection Diagrams for G2 Models; G2 D80 CT;G2 D80 CR Connection Diagram

# 45465K005
Page 30
Figure 31
G2D80CT, G2D80CR Connection Diagram
P/N 45604-005
5 AMP
Y
C
G
R
W1
W2
LINE
EAC
XFMR
CIRC
HUM
HUM
XFMR
LINE
PARK 1
COOL
EAC
HI HEAT
LO HEAT
NEUTRAL
HOT
IGNITION CONTROL
TRANSFORMER
INDUCED
DRAFT
BLOWER
INTERLOCK
SWITCH
1
2
2
1
C
HI
GAS VALVE
M
PRESSURE
SWITCH
(LOW)
ROLLOUT
SWITCH
(IF USED)
MAIN
LIMIT
PRESSURE
SWITCH
(DRAIN)
(IF USED)
12
9
6
3
11
8
5
2
10
7
41
3
3
120V
24V
HOT
NEUTRAL
GROUND
120/1/60
SEE
NOTE 3
1
2
3
4
5
BLK RED WHT
WHT RED BLK
5-PIN
CONNECTOR
W2
GRY
W1
THERMOSTAT
CONDENSER
WHT
YEL
YEL
WHT
BLU
ORN
RED/BLK
RED
WHT
YEL
VLT
BRN
GRY
BLK
BLK/WHT
WHT
RED/BLK
YEL YEL BLK
WHT
ORN
BLU
GRY
GRN
WHT/BLK
RED
BRN
BLK
2
21
1
2-PIN
CONNECTOR
CIRCULATION
BLOWER
FLAME
SENSOR
HOT SURFACE
IGNITER
WHT (NEUT) RED (LO)
BLU (MED)
ORN (MED/LO)
YEL MED/HI BLK (HIGH)
SEE BLOWER SPEED CHART
S1
P1
ROLLOUT
SWITCH
AUX LIMIT
SWITCH
(IF USED)
AUX LIMIT
SWITCH
VLT
VLT
PRESSURE
SWITCH
(HIGH)
RED
VLT
VLT
VLT
BRN
BRN
WHT
CONT
PARK 2
TWIN
NONE
5
10
P5
180
120
90
60
P4
LOW VOLTAGE - FIELD
LOW VOLTAGE - FACTORY
LINE VOLTAGE - FIELD
LINE VOLTAGE - FACTORY
SW1
FAULT CODE
HISTORY
BUTTON
(SEE NOTE 1)
AUTOMATIC
HEAT STAGING
JUMPER
BLOWER OFF
DELAY TIMING
180
120
90
60
C
NOTES:
3. PROPER POLARITY MUST BE OBSERVED FOR FIELD LINE
VOLTAGE SUPPLY; IGNITION CONTROL WILL LOCK OUT IF
POLARITY IS REVERSED.
1. PRESS AND RELEASE FAULT CODE HISTORY BUTTON TO
DISPLAY FAULT CODES. TO ERASE CODES, PRESS AND HOLD
BUTTON IN FOR MORE THAN 5 SECONDS.
2. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE
FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH
WIRING MATERIAL HAVING A TEMP. RATING OF AT LEAST 90°C.
WHT/BLK
* 5 SPEED MOTOR USED ON THESE MODELS
BLOWER SPEED CHARTS
1ST STAGE
HEAT
MODEL
COOLING
2ND STAGE
HEAT
BLU
BLU
YEL
BLU
BLU
YEL
BLK
BLK
BLK
BLK
BLK
BLK
50D12
75D14
100D14
100D20 *
125D20 *
150D20 *
RED
RED
RED
ORN
ORN
ORN
1ST STAGE
HEAT
MODEL
COOLING
2ND STAGE
HEAT
BLU
BLU
ORN
ORN
BLU
YEL
BLK
BLK
BLK
BLK
BLK
BLK
40D12
60D12
80D16 *
80D20 *
100D20 *
125D20 *
RED
RED
RED
RED
ORN
BLU
80% AFUE
93% AFUE
4. DO NOT CONNECT C (COMMON) CONNECTION BETWEEN
INDOOR UNIT AND THERMOSTAT EXCEPT WHEN REQUIRED
BY THE INDOOR THERMOSTAT. REFER TO THE THERMOSTAT
INSTALLATION INSTRUCTIONS.
5. CHECK CODES FOR PROPER WIRING AND CIRCUIT
PROTECTION BEFORE INSTALLATION.