710397C
(Replaces 710397B)
04/15
20 kW, 240 VAC,
H3HK020H-01B (Without Circuit Breaker)
H3HK020H-21B (With Circuit Breaker)
H4HK020H-21B (With Circuit Breaker)
H4HK025H-21B (With Circuit Breaker)
1)
2)
3)
4)
Circuit breakers are not wired to heater kit by the factory,
see Installation Instructions for wiring procedure.
If any of the original wire supplied with this unit must
be replaced, it must be replaced with wiring material
of the same gauge size and temperature rating.
The installation of this heater kit may require a change
in the blower speed tap connection. See Installation
Instructions for details.
Use copper conductors with a minimum temperature
rating of 60° C for supply connections.
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
NOTES:
1-Phase Electric Heater Kit
GROUND
YELLOW
WHITE
ORANGE
BLUE
BLACK
BROWN
RED
BLACK
BLACK
GRAY
RED
RED
GRAY
1
2
3
4
5
6
7
8
9
CONTACTOR
CONTACTOR
LIMIT
ELEMENTS
ELEMENTS
CIRCUIT
BREAKER
HEATER KIT PLUG
SUPPLY VOLTAGE
LIMIT
RED
BLACK
BLACK
BLACK
RED
RED
RED
RED
BLACK
BLACK
TERMINAL
BLOCK
(for select
models only)
CIRCUIT
BREAKER