Modine Manufacturing HDS Installation And Service Manual page 18

unIT WIrIng
Wiring diagram selection
Since internal or factory wiring may vary depending on
the controls manufacturer, the wiring diagrams must be
appropriately selected with the proper gas valve and ignition
figure 18.1 - unit Heater Wiring diagram (single stage, direct spark)
18
type. The following wiring diagram represents a unit equipped
with a single stage gas valve, and direct spark ignition.
FUSE
PRESSURE
ROLLOUT
ROLLOUT
LIMIT
HEAT FOR
THERMOSTAT
(BK) L1,
(WH) L2,
6-584.2
SENSOR
FLAME
VALVE
GAS
HIGH
LIMIT HIGH
CALL
D REV 5H079963B1