Wiring Guide

6-446 — WIRING DIAGRAMS MODELS PDP/BDP
15
5H78233C2 REV A Two-Stage, Intermittent Pilot Ignition, 100% Shut-Off with Continuous Retry,
Single-Phase.
J-Box
Power Exhaust Motor
R
2
4
H
H
T-D RELAY
Pressure Switch
Gnd
BL
Limit Control
BL
R
T1
T2
C
F
V
G
BL
BL
BL
BK
W
W
Terminal Board
* 24V Xfmr
Fan Motor
WIRING LEGEND
LINE 24V.
FACTORY FIELD WIRE NUT
3
1
BK
UNIT HEATER WIRING DIAGRAM
L2(W)
L1(BK)
Second Circuit Breaker Req'd For 230V,200V,1Ø
115V/60Hz/1Ø Power Shown Circuit Breaker (By Others)
W
* Alternate Xfmr Primary Xfmr Wires 230V/60Hz/1Ø-BK & Y (OR O) 200V/60Hz/1Ø-BK & R Wire nut the wire not used.
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.
TD Relay Heater
H
H
TD Relay TDC
Fan Motor
42
Pressure Switch
Limit Control
T2
24V
115V
Xfmr
F
C
G
T1
Two-Stage Therm
t° t°
High
Low
C
Circuit Breaker (By Others)
Second Circuit Breaker Req'd. For 230V,200V,1Ø
115V/60Hz/1Ø Power Shown
L1 (BK)
L2 (W)
V
1
TD Relay TDC
3
Power Exhaust Motor
43
1
2
Combination Gas Control
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.
Two-Stage Low Volt Therm (By Others)
Low High
C
R
Y
3
Operator High-Stage
2
Operator Low-Stage
1
Operator
Pilot
4
Indicates Terminal Board Connection
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
PV
Ignitor
BK
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
PV
SPARK
PV/MV
TR(GND)
GND
Ignitor
O
G W Y BL R
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
PV
SPARK
PV/MV
TR(GND)
GND
Ignitor
BK
ROBERTSHAWHONEYWELL
MV
MV
SPARK
24V
PV
MV/PV
24V(GND)
GND
TH(24V)
PV
SPARK
PV/MV
TR(GND)
GND
Ignitor
O
G W Y BL R
IGNITION CONTROLLERIGNITION CONTROLLER
IGNITION CONTROLLERIGNITION CONTROLLER
P
M
C
HI
Alternate Combination Gas Control
PV MV
PV/MV
Therm "High"
Some models may have limit control to pressure switch wire routed outside of J-box.