Page 23
Appendix H Continued
Wiring Diagram
Wiring Diagram for 1200 cfm unit
INTERLOCK (FF)
WALL CONTROL BLACK
VE0022A
. .
. .
. .
JU1
J4 2
1
A B C D E F G
1 2 3 4 5 6 7 8 9
J3
F F I OC OL Y R G B
4
7
6
9
48445 POWER
CONTROL BOARD
J1
3 2 1
8
1 2 3
J2
COMM.
N/C
N/O
-t
DEFROST
TEMP.
SENSOR
8
9
10
11
12
13
14
T7
1
2
3
4
5
6
7
T7
BL
BL
G
R
Y
BK
J3 1
J3 2
J3 8
J3 7
J3 6
J3 9
WALL CONTROL RED
OCC./
UNOCC.
REMOTE FAN
COMMON
AUTOTRANSFORMER
ALTERNATE WIRING FOR LOW SPEED
AUTOTRANSFORMER OPTION
INPUT
OUTPUT
4
6
CC
LOW SPEED
R2-1
5
3
21
10 A
BK
W
BK
W
CONTROL BOX
COM NO
NC
R3-4
COM NO
NO
COM
COM NO
NOCOM
COM NO
NC
R3-1
J1 7 BL
J1 1 W
J1 5 W/R
J1 4 R
O
J1 6
J1 9 BK/R
J1 2 W
R4-1
R4-2
J1 1
BK
W
J1 3
T2
1
2
1
2
3
4
5
6
7
8
9
10
11
12
J5
BK/R
R
R
W
R
BL
BK/Y
NOTE 1
W/BL
R
BL
MEDIUM SPEED
CONNECTIONS
BK/Y
1
2
1
2
3
4
5
6
7
8
9
10
11
12
J6
R
CORE DAMPER
MOTOR
INTAKE DAMPER
MOTOR
1 2 1 2
BK/R
W/R
CLMH
EXHAUST
MOTOR
W
R
BL
BK/Y
C
L
MH
SUPPLY
MOTOR
W/BL
R
BL
BK/Y
GND L1 NEUT
BK W
G
120VAC 60Hz
WALL CONTROL GREEN
WALL CONTROL YELLOW
LOW SPEED (3.9 K)
COM
HIGH SPEED
STANDARD HRV 1200i WIRING
Y
NC
NO
COM
W
NOTES
1- REMOVE THIS CONNECTION IF AUTOTRANSFORMER IS USED.
2- IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE
REPLACED, USE THE SAME OR EQUIVALENT WIRE.
3- THE FIELD WIRING MUST COMPLY WITH APPLICABLE
CODES, ORDONNANCES AND REGULATIONS.
BL
BK
BK/R
BK/Y
G
COLOR CODE
O
R
W
W/BL
W/R
Y
BLUE
BLACK
BLACK/RED
BLACK/YELLOW
GREEN
ORANGE
RED
WHITE
WHITE/BLUE
WHITE/RED
YELLOW
115 VOLTS
LOW
VOLTAGE