Wiring Guide

1
6-446 — WIRING DIAGRAMS MODELS PDP/BDP
5H78233C6 REV A Single-Stage, Standing Pilot, 100% Shut-Off, Single-Phase.
Combination Gas Control
TH
TR
Pressure Switch
Limit Control
VC
Fan
Motor
TDC
2
4
TD Relay
24V
115V
Xfmr
G
T1
L2 (W)
L1 (BK)
Circuit Breaker (By Others)
Second Circuit Breaker Req'd. For 230V,200V,1Ø
Therm
t°
TD Relay Heater
H
H
TD Relay
Power
Exhauster
Motor
3
1
TDC
Indicates Terminal Board Connection
T2
F
115V/60Hz/1Ø Power Shown
Terminal Board "G"
Pressure Switch
Alternate Combination Gas Control
1
2
Combination Gas Control
TR TH
BL
W
Low Volt Therm (By Others)
W
115V/60Hz/1Ø Power Shown Circuit Breaker (By Others)
Second Circuit Breaker Req'd For 230V,200V,1Ø
L1(BK)
L2(W)
BK
1
3
Fan Motor
* 24V XFMR
Te rm i na l Board
W
W
BK
BL
BL
BL
G
V
F
C
T2
T1
R
BL
Limit Control
BL
Gnd
Pressure Switch
T-D Relay
H
H
4
2
R
Power Exhaust Motor
J-Box
Caution Failure to wire this unit according to this wiring diagram may result in injury to the installer or user. For deviations contact the factory.
Note to installer: Attach this diagram near heater. All wiring must comply with national electric code and all local codes. All components must agree with their respective power source. Use 105° wire for replacements.
* Alternate Xfmr. Primary Xfmr Wires 230V/60Hz/1Ø-BK & Y (OR O) 200V/60Hz/1Ø-BK & R Wire nut the wire not used.
UNIT HEATER WIRING DIAGRAM
FACTORY FIELD WIRE NUT
24V.LINE
WIRING LEGEND
Some models may have limit control to pressure switch wire routed outside of J-box.