Nordyne H6HK Series Installation Instructions Manual Download Page 11

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Figure 12. Wiring Diagram for H6HK Single Stage Air Handler with Circuit Breaker(s) - 25 kw Series

CIRCUIT

BREAKERS

SUPPL

LTA

OUND

WER

RED

BLA

GREY

ORANGE

BLUE

YELLOW

BROW

WHITE

GREY

REL

RELA

REL

RELA

LIMI

RED

BLAC

Legend

Field

Wiring

Factory

Wiring:

Voltage

High

Voltag

BLACK
BLACK

RED

BLACK

RED

TES

1) If an

y of the original wire supplied with

this unit m

ust be replaced,

it m

ust be

replaced with wiring material of the

same gauge size and temperature rating.

The installation of this heater kit ma

require a change in the bl

er speed tap

connection.

See Installation Instructions

for details.

3) Use copper conductor

s with a minim

temperature rating of 60°C f

or suppl

connections.

RED

ELEMEN

ELEMENT

ELEMEN

BLACK

BLAC

BLACK

RED

710565A

Summary of Contents for H6HK Series

Page 1: ...tion service personnel for this type equipment All installations must be in accordance with these instructions and with all applicable national and local codes and standards Read these instructions thoroughly before starting the installation Follow all precautions and warnings contained within these instructions and on the unit The instructions included with this keater kit are for installations i...

Page 2: ...s situationthatifnotavoided mayresultinminorormoderate injury or property damage WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to air handler When servicing con...

Page 3: ...block and that the supply wiring is sized according to the current NEC codes and any other state or local codes See the rating label or Table 1 page 4 for minimum circuit ampacities and maximum overcurrent protection All electric heater kits 10 kw or less are supplied from the factory configured for use with a single HEATER KIT INSTALLATION WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure...

Page 4: ...60 015H XX 240 14 4 55 25 80 60 30 90 59 25 83 60 30 90 020H XX 240 19 2 55 50 105 60 60 125 59 50 109 60 60 125 025H XX 240 24 0 59 50 25 134 60 60 30 150 030H XX 240 28 8 59 50 50 159 60 60 60 175 005H XX 208 3 6 27 30 30 40 008H XX 208 5 6 39 40 42 50 010H XX 208 7 2 48 50 52 60 015H XX 208 10 8 48 21 70 50 25 80 52 22 73 60 25 80 020H XX 208 14 4 48 43 92 50 50 100 52 43 95 60 50 100 025H XX 2...

Page 5: ...he circuit breaker must be positioned side with 1 4 terminals to the right as shown in the Figure 2 2 Remove the lower circuit breaker knockout from the air handler upper access door 15 20 24 25 29 30 kw Electric Heater Kits NOTE1 Theheavyredandblacksupplyleadsarebundled by circuit with wire ties at the factory The bundle coming from the top element tier is circuit A NOTE 2 The element assembly is...

Page 6: ...he supply wires MOTOR SPEED SELECTION Standard Air Handlers The blower speed is preset at the factory for operation at the same speed for heating and cooling by using the blower motor jumpering terminal on the blower motor and connecting it to the desired speed with both the red and black wires connected to the jumpering terminal For optimum system performance and comfort it may be necessary to ch...

Page 7: ...quired when using a 20 24 25 29 30 kw electric heater kit in a downflow application AlsoseeClearancestoCombustibles page3 4 Replace the upper door and secure it to the unit 5 Restore power to the unit Variable Speed Air Handlers The minimum electric heat airflow is selected by setting switches on the air handler circuit board Selecting the minimum electric heat airflow sets the minimum air flow th...

Page 8: ...uctors with a minimum temperature rating of 60 C for supply connections ELEMENT BLACK BLACK ELEMENT RED 710561A Figure 7 Wiring Diagram for H6HK Single Stage Air Handler with Circuit Breaker s 5 kw Series TERMINAL BLOCK for select models only CIRCUIT BREAKER Circuit breaker models only Legend Field Wiring Factory Wiring Low Voltage High Voltage RELAY GREY ORANGE BLACK RED RED LIMIT POWER BLACK 1 2...

Page 9: ...CK BLACK BLACK ELEMENT ELEMENT RED RED RED RED RELAY BROWN ELEMENT BLACK LIMIT RED RED 1 2 3 4 5 6 7 RED BLACK Figure 9 Wiring Diagram for H6HK Single Stage Air Handler with Circuit Breaker s 15 kw Series CIRCUIT BREAKERS SUPPLY VOLTAGE GROUND 1 2 3 4 5 6 7 POWER GREY ORANGE BLUE YELLOW RELAY RELAY RELAY ELEMENT LIMIT LIMIT RED BLACK BLACK Legend Field Wiring Factory Wiring Low Voltage High Voltag...

Page 10: ...ld Wiring Factory Wiring Low Voltage High Voltage BLACK BLACK RED RED BLACK 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 ...

Page 11: ...ltage High Voltage BLACK BLACK RED RED BLACK RED RED 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 temperat...

Page 12: ... Voltage High Voltage BLACK BLACK RED RED BLACK 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 r...

Page 13: ...D RED BLACK RED RED 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 con...

Page 14: ...age used 4 If the Internal wiring is replaced use only 105 C copper wire of the same gauge TRANSFORMER 24V BLACK WHITE RED GREY HEATER KIT PLUG 2 1 BLACK RED ELEMENT 1 BLACK L1 L2 L3 L1 L2 L3 ELEMENT 2 ELEMENT 3 BLACK YELLOW RED BLACK RED BLACK YELLOW RED ELEMENT 3 ELEMENT 2 ELEMENT 1 CONTACTOR BLACK 3 4 5 6 7 RELAY RED ORANGE GREY From indoor air handler circuit board RED GREY From indoor air han...

Page 15: ......

Page 16: ...INSTALLER PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER Specifications illustrations subject to change without notice or incurring obligations 01 14 709524A Replaces 7095240 ...

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