Wiring Diagram - Mr. Heater MH75KTR Operating Instructions And Owner's Manual

WIRING DIAGRAM

18AWG GRN
18AWG BLK
18AWG WHT
CORD SET
18AWG GRN
AC OUTLET
125KT,175KT,
210KT ONLY
MOTOR
18AWG GRN
18AWG BLK
18AWG WHT
CORD SET
AC OUTLET
18AWG GRN
HI-LIMIT
SWITCH
MOTOR
The parts lists and wiring diagram show the heater as it was
constructed. Do not use a heater which is different from
that shown. Heater performance is effected by air pressure
setting. If there is any uncertainty about the air pressure
ON/OFF SWITCH
1
2
3
H2
H1
FLAME CONTROL SCHEMATIC
(connections may not be in same
position on circuit board)
N L
18AWG ORG
18AWG ORG
18AWG PINK
MOTOR CAPACITOR
18AWG PINK
ON/OFF SWITCH
1
2
3
2
1
18AWG YELL
18AWG YELL
18AWG ORG
18AWG ORG
18AWG PINK
MOTOR CAPACITOR
18AWG PINK
Mr. Heater, Inc.| Kerosene Forced Air Heater
HI-LIMIT
SWITCH
18AWG YELL
18AWG YELL
THERMOSTAT
18AWG BLUE
75KT,125KT,175KT,210KT ONLY
M1 I1 I2
M2
18AWG RED
18AWG RED
MH125KTR/MH175KTR/MH210KTR
18AWG BLUE
THERMOSTAT
18AWG BLUE
18AWG PURPLE
CAD CELL
18AWG PURPLE
CIRCUIT BOARD
10
9
11 12
24AWG BLK
24AWG RED
3 5 6 7 8
4
18AWG RED
18AWG RED
setting, have it checked.
A heater which is not working right must be repaired, but only
by a trained, experienced service person.
7
Operating Instructions and Owner's Manual
MH50KR/MH75KTR
18AWG PURPLE
18AWG PURPLE
17AWG BLK
ELECTR0DE
18AWG GRN
IGNITION TRANSFORMER
RED LED
17AWG BLK
ELECTR0DE
IGNITION TRANSFORMER
18AWG GRN