QTD
Series
31
Figure 3.22
•
Alternate Field Wiring Diagram
•
Single Unit operation on a Single 24V Control*
3.0
Installation
•
Electrical Requirements
•
Field Wiring
*
NOTE
: In order for the unit to operate with this configuration, the Dual Pole, Dual Throw Switch must be
toggled to the 24VAC OUT position. (See Detail ‘A’)
24V Yellow Control Cord
Green: Common
White: Low Fire
Black: High Fire
N
L1
P
D
0
P
D
T
D
NOTE: T
T
T
P
T
TP
T
D
T
T
T
T
P
-
T
TP
T
24V OUT - STAGE 1
LOW FIRE
24V OUT - STAGE 2
HIGH FIRE
24V IN
INSIDE SERVICE PANEL
DETAIL ‘A’
C
ONT
R
OL
V
OL
T
A
G
E
S
E
L
E
C
T
OR
24V
A
C
IN
24V
A
C
OUT
CONTROL VOLTAGE SELECTOR
24VAC
IN
24VAC
OUT
