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mrcool.com
Unit Installation
CAUTION
1.
Ensure that all power supply is disconnected prior to installing the heater kit.
2.
A means of strain relief and conductor protection must be provided at the supply wire entrance into
cabinet.
3.
Only use copper conductors.
4.
Installation must follow national electric code and other applicable codes.
5.
If this appliance is installed in an enclosed area such as a garage or utility room with any carbon
monoxide producing appliance, ensure the area is properly ventilated to the outside.
1)
Refer to the Table below for the appropriate HNRd
heater kit.
2)
Check for any physical damage; do not install
damaged heater kit.
3)
Remove the upper access panel from air handler.
4)
Remove cover plate from air handler.
5)
Slide the heater kit in to the slot and secure
element plate with previously removed screws.
6)
Insert power leads into the circuit breaker lugs or
stripped red and black wires (for heater kit without
circuit breaker) and tighten.
7)
Connect ground wire to ground lug.
8)
Break out appropriate area of the plastic circuit
breaker cover on the access panel of the air
handler.
9) Replace access panel and check operation.
Cover Plate
Heater Kit
Circuit Breaker
Bolt
Fig 2.9
HNRd5-D
HNRd8-D
Circuit breaker, 5kW heat strip
Circuit breaker, 8kW heat strip
HNRd10-D
Circuit breaker, 10kW heat strip
Kit #.
Description
HNRd15-D
Circuit breaker, 15kW heat strip
HNRd20-D
Circuit breaker, 20kW heat strip
Kit #.
Description
