12
5
2
1
3
4
ELEMENT MAIN AIR
LIMIT AC RELAY
DC RELAY
CIRCUIT
BREAKER
(Circuit breaker
models only)
SUPPLY VOLTAGE
2-PIN
POWER PLUG
7-PIN
PLUG
BACK UP
LIMIT
MAIN AIR
LIMIT
BACK UP
LIMIT
COM
NO
COM
NO
COM
NO
COM
NO COM
NO
COM
NO
COM
NO
COM
NO
24
3
1
24
3
1
24
3
1
24
3
1
L2
(BOTH) L1
(BOTH) L2
(BOTH) L1
(BOTH)
CONNECT TO C ON
CONTROL BOARD
CONNECT TO ONE
OF THE BLUE
BLOWER LIMIT
LEADS IN THE AIR
HANDLER, IF
PRESENT.
THEN CONNECT
THE OTHER BLUE
BLOWER LIMIT
LEAD TO W1 ON
THE CONTROL
BOARD.
IF BLOWER LIMIT
LEADS ARE NOT
PRESENT,CONNECT
TO W1 ON
CONTROL BOARD.
BLUE
YELLOW
BLACK
RED
BROWN
ORANGE
GREY
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
RED
GREY
GREY GREY
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
RED RED
RED
RED
RED
RED
RED
RED
RED
GREY
GREY
GREY
GREY
WHITE WHITE
WHITE
WHITE
YELLOW
20 kW, 208/230 V~, 60Hz, 1-Phase Electric Heater Kit
H8HK020K-21D (with circuit breaker)
NOTES
1. 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.
2. The installation of this heater kit may require a
change in the blower speed tap connection.
See Installation Instructions for details.
3. Use copper conductors with a minimum
temperature rating of 60°C for supply
connections.
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
1045663A
(10456630)
11/23
Remarques:
1. Si le câblage interne est remplacé,
utilisez seulement un fil de cuivre 105° C
du même gabarit.
2. Pour le chaufferettes électiques
installées sur le terrain, peut nécessiter
un changement dans le connecteur de
vitesse du moteur du ventilateur.
Consultez les Instructions d’installation.
3. Employez uniquement des conducteurs
en cuivre.
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