Manual

1603-065-T-4-13
31
Shut off AC power to operator.
Turn off DC power switch on certain models.
8.3 Heater Kit
To avoid the gearbox oil from freezing an optional heater kit (115 VAC - P/N 1601-092) is recommended in areas where
temperatures routinely drop below 40°F (4°C).
Mount heater with 2 lock nuts.
Place the 2 supplied
washers between the
operator wall and
the heater to
create an
air gap.
1
2
Connect the heater wires.
4
AUTO
- Normal setting. Automatically turns the
heater ON when the temperature drops below 40°F
inside the housing, and turns the heater OFF when
the temperature rises above 40°F inside the housing.
OFF - Turns the heater off.
ON - Turns the heater on continuously. The heater
will become VERY HOT when running continuously.
Heater switch settings.
5
Neutral Hot
115 VAC
DANGER
HIGH VOLTAGE!
Threaded
Housing Stud
(Existing)
Threaded
Housing Stud
(Existing)
Washer
Lock Nut
Lock Nut
Washer
12
Route heater wires as shown. Use supplied
wire stays and existing wire restrainers.
Keep wires clear of all moving parts.
3
CAUTION: Heat will be
transferred to the outside
wall of the operator if NO
air gap exists between the
heater and the inside wall
of the operator.
2
5
Wire Stays
Existing Wire Restrainers
Air Gap
3
3
3
DANGER
HOT!
4
1