Instruction Manual

28
SELF-REGULATING HEATER ACCESSORY
The 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.
HEATER WIRING DIAGRAM FOR 115V OPERATORS
HEATER WIRING DIAGRAM FOR 208, 230, 460 AND 575V
OPERATORS
HEATER REPLACEMENT PARTS
PART NUMBER DESCRIPTION QTY
21-15453-1 Transformer 100VA with 3.2A fuse 1
(208V, 230V and 460V models only)
50-18423 Heater 1
28
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
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
Fuse 3.2A