MrCool PHK-H Series Owners & Installation Manual Download Page 2

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Table Of Contents

Preperation Before Install .............................................................  1

1

Install Electrical Heating Components .........................................  2

2

Wiring Diagrams ..............................................................................  5

3

CAUTION   

1. 

 Ensure that all power supplies are disconnected prior to installing the heat kit.

2

.  Check heat kit for physical damage. Do not install a damaged heat kit.  

3.

  A means of strain relief and conductor protection must be provided at the supply wire

      entrance into cabinet. 

4.

  Only use copper conductors. 

5. 

 Installation must follow National Electric Code (NEC) and other applicable codes. 

IMPORTANT

You must use a compatible heat kit listed in the chart above. Using an 

incorrectly sized heat kit could cause the unit to overheat and/or cause 

equipment damage.

Compatible Heat Kits

PHK05H

PHK07H

5kW heat strip

7.5kW heat strip

PHK10H 10kW heat strip

Kit #.

Description

18K/24K/30K/36K/42K/48K/60K

18K/24K/30K/36K/42K/48K/60K

24K/30K/36K/42K/48K/60K

Unit Capacity Compatibility

PHK15H 15kW heat strip

PHK20H 20kW heat strip

36K/42K/48K/60K

48K/60K

Summary of Contents for PHK-H Series

Page 1: ...LLC Thank you for choosing MRCOOL Please read this manual carefully before installation and keep it for future reference Due to updates and constantly improving performance the information and instructions within this manual are subject to change without notice Please visit www mrcool com documentation to ensure you have the latest version of this manual Version Date 2 24 21 ...

Page 2: ...ce into cabinet 4 Only use copper conductors 5 Installation must follow National Electric Code NEC and other applicable codes IMPORTANT You must use a compatible heat kit listed in the chart above Using an incorrectly sized heat kit could cause the unit to overheat and or cause equipment damage Compatible Heat Kits PHK05H PHK07H 5kW heat strip 7 5kW heat strip PHK10H 10kW heat strip Kit Descriptio...

Page 3: ...age 1 mrcool com Safety Precautions 1 Preperation Before Installation 1 Remove the upper side panel of the air handler 2 Remove the air duct sealing plate by removing the 4 screws 3 Knock out the covered hole on the front panel ...

Page 4: ...o the air duct installation hole and align the 4 prongs on the end of the heat kit with the corresponding 4 holes on the opposite side of the air duct hole 2 Reinstall screws to fasten the heat kit to air duct 3 Fasten heat kit electrical board bracket to air handler by installing two screws ...

Page 5: ... electrical board on the bracket and fasten with 4 screws NOTE When installing the electrical installation board pay attention to the indoor unit power cord and make sure it does not hang or snag on the sharp edges of the sheet metal heat kit bracket Please refer to the image below ...

Page 6: ...ge 4 mrcool com 5 Insert signal wire into the main electronic control board 6 Reinstall the upper side panel The switches for the heat kit should protrude through the hole you knocked out of the panel Then turn on the power and check operation ...

Page 7: ...Page 1 mrcool com 3 Wiring Diagrams Page 5 mrcool com Air Handler Wiring Diagrams for each model with Heat Kit Installed 1 53 Model 18K 24K 30K 36K 42K 2 140 Model 48K ...

Page 8: ...Wiring Diagrams Page 6 mrcool com 3 160 Model 60K Schematic diagrams of electric heating components 1 5 10KW Heat Kit ...

Page 9: ...Wiring Diagrams Page 7 mrcool com 2 11 20KW Heat Kit ...

Page 10: ...PRODIRECT Electric Heat Kit ...

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