28
H E A T E R W I R I N G D I A G R A M F O R 1 1 5 V O P E R A T O R S
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
)
1
T(
ck
la
B
)
N(
ackl
B
ON
OFF
On/Off
Switch
White
Black
1 PHASE
115 VOLT
POWER IN
Line voltage
to operator
controls
H E A T E R W I R I N G D I A G R A M F O R 2 0 8 , 2 3 0 , 4 6 0 A N D 5 7 5 V
O P E R A T O R S
Blue
Grey (575V)
White
(Common)
Black (120V)
)
1
T
c
k (
a l
B
)
N
c
k (
a l
B
White (Common)
Green
Ground
Violet (480V)
Orange (230V)
Red (208V)
Terminate
unused
transfer
input wires
Yellow
24 Vac 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
