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8

L3

L1
L2

 

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

WARNING

WIRING DIAGRAM

L3

L2

L1

 

Legend 

FR – Fan Relay 
FU – Fuse 
TB – Terminal Block 
HC – Heater Contactor 
HTR – Heater Element 
PLS – Primary Limit Switch 
SLS – Secondary Limit Switch 

Summary of Contents for AHKD 20

Page 1: ...ised by freight damage Check the unit model number specifications and electrical char acteristics to determine if they are correct In the event an incor rect unit is shipped it must be returned to the supplier and must NOT be installed The manufacturer assumes no responsibility for installation of incorrectly shipped units REPLACEMENT PARTS ORDERING PARTS When reporting shortages or damages or ord...

Page 2: ...g local codes regulations is the responsibility of the in staller The manufacturer assumes no responsibility for equip ment installed in violation of any codes or regulations PRE INSTALLATION INSTRUCTIONS Carefully read all instructions for the installation prior to install ing product Make sure each step or procedure is understood and any special considerations are taken into account before start...

Page 3: ...HE BUILDING ELECTRICAL SERVICE PANEL OTHER METHODS OF GROUNDING ARE PERMITTED IF PERFORMED IN ACCORDANCE WITH THE NATIONAL ELECTRIC CODE NEC AMERICAN NATIONAL STANDARDS INSTITUTE ANSI NATIONAL FIRE PROTECTION ASSOCIATION NFPA 70 AND LOCAL STATE CODES IN CANADA ELECTRICAL GROUNDING IS TO BE IN ACCORDANCE WITH THE CANADIAN ELECTRIC CODE CSA C22 1 UNINTERRUPTED UNBROKEN WARNING INSPECTION OF THE BUIL...

Page 4: ... Use Table 8 to de termine the voltage drop per foot of various conductors Wire Size AWG 10 15 20 25 30 35 40 45 14 75 50 37 NR NR NR NR NR 12 118 79 59 47 NR NR NR NR 10 188 125 95 75 63 54 NR NR 8 301 201 150 120 100 86 75 68 6 471 314 235 188 157 134 118 110 Based on NEC 1996 Max Allowable Length in Feet to Limit Voltage Drop to 2 Min Circuit Ampacity MCA Table 8 MAXIMUM OVERCORRECT PROTECTION ...

Page 5: ... the kW The supply voltage is to be installed on the terminal block located in the heater kit control box The heater kit is factory equipped with the supply and low volt age wires for the air handler The low voltage connection from the heater kit is provided through a multi pin plug which con nects to a mating plug in the air handler The high voltage con nections are to be made at the air handler ...

Page 6: ... Single Stage Heat Single Stage Cooling where R Red W White G Green BL Blue Note Brown wire is not used and is to be taped Figure 6 Two Stage Heat Single Stage Cooling where R Red W White BR Brown G Green BL Blue ...

Page 7: ...Terminal Block HC Heater Contactor HTR Heater Element PLS Primary Limit Switch SLS Secondary Limit Switch L3 L1 L2 Wiring is subject to change always refer to the wiring diagram on the unit for the most up to date wiring WARNING WIRING DIAGRAM ...

Page 8: ...ays refer to the wiring diagram on the unit for the most up to date wiring WARNING WIRING DIAGRAM L3 L2 L1 Legend FR Fan Relay FU Fuse TB Terminal Block HC Heater Contactor HTR Heater Element PLS Primary Limit Switch SLS Secondary Limit Switch ...

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