Wiring Guide

6-446 — WIRING DIAGRAMS MODELS PDP/BDP
t°
Therm
H
TD Relay Heater
H
F
TD Relay TDC
42 3
TD Relay TDC
1
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
Terminal Boar
d
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.
Power
Exhaust
Motor
V
L2 (W)
L1 (BK)
115V/60Hz/1Ø Power Shown
Second Circuit Breaker Req'd. For 230V,200V,1Ø
Circuit Breaker (By Others)
T1
G
C
Xfmr
115V
24V
T2
Limit Control
Indicates Terminal Board Connection
Pressure Switch
Fan Motor
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
D
D
TH TR
W
Gas Control Combination Alternate
PV
PV/MV
MV
Combination Gas Control
Pilot Operator Main Operator
P
M
C
R BL Y W G
O
Ignitor
BK
R BL Y W G
O
Ignitor
R BL Y W G
O
Ignitor
BK
Ignitor
ROBERTSHAWHONEYWELL
MV
MV
SPAR
K
24V
PV
MV/PV
24V(GND)
GND
PV
SPARK
PV/MV
TR(GND)
GND
ROBERTSHAWHONEYWELL
MV
MV
SPAR
K
24V
PV
MV/PV
24V(GND)
GND
TH(24V)
PV
SPARK
PV/MV
TR(GND)
GND
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
TH(24V)
PV
SPARK
PV/MV
TR(GND)
GND
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
TH(24V)
PV
SPARK
PV/MV
TR(GND)
GND
IGNITION CONTROLLERIGNITION CONTROLLER
IGNITION CONTROLLERIGNITION CONTROLLER
Some models may have limit control to pressure switch wire routed outside of J-box.
(PV)
(MV)
(MV/PV)
(By Others) Therm Volt Low
MV
PV/MV
PV
W
Alternate Combination Gas Control
43
1
2
MV
MV/PV
PV
M 1
C 2
P 3
COMBINATION GAS CONTROL
HONEYWELL ROBERTSHAW
5H78233C10 REV A Single-Stage, Intermittent Pilot Ignition, 100% Shut-Off with Continuous Retry, Single-Phase.
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