Owner's manual

28
HEATER WIRING DIAGRAM FOR 115V OPERATORS
SELF-REGULATING HEATER ACCESSORY
Operators with installed heater kits are thermostatically controlled heaters that are utilized in areas where the temperature has the
potential to drop below freezing. The heater is adjusted to 15˚C. To change the setting, rotate the temperature control knob on the
heater to a new temperature setting.
NOTE: The temperature readout is in degrees Celsius.
White
Black
L1
L2
Green
Ground
)1T(cklaB
)N(acklB
ON
OFF
On/Off
Switch
White
Black
1 PHASE
115 VOLT
POWER IN
Line voltage
to operator
controls
HEATER WIRING DIAGRAM FOR 208, 230, 460 AND 575V
OPERATORS
Blue
Grey (575V)
White
(Common)
Black (120V)
)1Tck (alB
)Nck (alB
White (Common)
Green
Ground
Violet (480V)
Orange (230V)
Red (208V)
Terminate
unused
transfer
input wires
Yellow
24VAC to
operator
controls
Fusible de 3.2A
PART NUMBER DESCRIPTION QTY
21-15453-1 Transformer 100VA with 3.2 fuse 1
(208V, 230V and 460V models only)
50-18423 Heater 1
HEATER REPLACEMENT PARTS