Detroit Radiant Products Company MP Series - Manual (Page 13)

IGNITION MODULE
GAS VALVE
IGNITER
FLAME
SENSOR
BLOWER
RELAY
PRESSURE
SWITCH
P.S.
INDICATOR
LIGHT
VALVE
INDICATOR
LIGHT
L2
L1
VALVE L2 (NEUTRAL) THERMOSTAT L1 SIC1 PROBE GROUND NEUTRAL
F.C. TEST PINS
N.O. RELAY L1 (RELAY) VALVE ENABLED L2 (BLOWER) L2 (NEUTRAL) - PWM + PWM
COM.
24VAC
TRANSFORMER
Y BL
BK
BL
BK
W
W
W
G
BK
O
W
BK
W
BK
BK
BK
BK
BR
BK
BK
BK
R
BL
G
BK
W
W
Y
R
BK
MODULATING
CIRCUIT BOARD
BK
R
BR
BK
13
MP Series 2.0 Installation • Internal Wiring
Field Wiring
Before field wiring this appliance - Check existing wiring; replace if necessary .
Note: If any of the original wire supplied with the appliance must be replaced, it must be replaced with
wiring material having a temperature rating of at least 105°C and a voltage rating of 660V .
Figure 2.5 • MP Series Internal Wiring Diagram