Detroit Radiant Products Company QTS Series - Manual (Page 31)

QTS Series
31
3.0 Installation • Electrical Requirements • Field Wiring
Figure 3.21 • Alternate Field Wiring Diagram • Multiple Line Unit on a Single 24V Control*
24V Yellow Control Cord
White: Call for heat
Black: 24VAC
N
L1
PANEL
GROUND
24V YELLOW
CONTROL
CORD
Call for Heat 24VAC
B
W
G
W
BK
SINGLE-STAGE THERMOSTAT
W (24V OUT)
RH (24V IN)
120 VOLT POWER
(OBSERVE POLARITY)
INSIDE SERVICE PANEL DETAIL ‘A’
* 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’)
CONTROL VOLTAGE SELEC TOR 24VAC IN 24VAC OUT
CONTROL VOLTAGE SELECTOR
24VAC
IN
24VAC
OUT