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22
N
L
R CW1 G RW1 G C
set 3° below new t'stat set 3° above existing t'stat
24 VAC com.
24 VAC hot
Heat Control
Fan Control
Existing T'stat
Wiring
( by installer )
34
1
6 5
78
R2 RELAY
LOW VOLTAGE 24 VAC COIL
LOW VOLTAGE
LOW VOLTAGE
R1 RELAY
4
1
3
6 5
8 7
in control cover
Through grommet
HIGH VOLTAGE ( L1 )
HIGH VOLTAGE ( N )
HIGH VOLTAGE ( ORANGE) from control board
SPLICE
SPLICE
The top two screws only
on the 5 pole terminal strip
O/A sensor terminals
EXISTING BLOWER CONTROLS
to circulator outlet
New T'stat Wire
New T'stat Wire
( by installer )
( by installer )
factory wiring
factory wiring
( by installer )
( by installer )
( by installer )
Existing T'stat New T'stat
( by installer )
Grainger#2XC01-
Omron LY2F 24V
Grainger#2XC02-
Omron LY2F 120V