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709378B 

(Replaces 709378A)

WARRANTY INFORMATION

A warranty certificate with full details is included with the 
equipment. Carefully review these responsibilities with 
your dealer or service company. The manufacturer will 
not be responsible for any expenses found necessary 
to correct problems due to improper setup, improper 
installation, adjustments, improper operating procedure 
on the part of the user, etc. 

Some specific examples of service calls which are not 
included in the limited warranty are:
•  Correcting wiring problems in the electrical circuit 

supplying the equipment.

•  Resetting circuit breakers or other switches.
•  Adjusting or calibrating of thermostat.

the outdoor coil and fins as necessary using a mild 
detergent and water. Rinse thoroughly with water.

•  Keep the outdoor unit clear of obstructions. DO NOT 

obstruct airflow with tall plants or shrubs. Check for and 
remove any obstructions such as twigs, sticks, etc.

•  Inspect the indoor condensate drain and coil at the 

beginning of each cooling season. Remove any debris. 

•  Annually inspect the physical support of the unit to 

ensure that it is physically sound without sagging, 
cracks, gaps, etc.

Air Filters

 WARNING:

Never operate the unit without a filter in the 
return air system. Dust and lint in the return 
air can build up on the internal components, 
resulting in loss of efficiency, equipment 
damage, and possible fire risk.

•  Inspect and clean or replace air filters at the beginning 

of each heating and cooling season, or more frequently 
if required. A clogged filter could cause airflow related 
problems and reduce the overall efficiency of your 
unit. 

Always replace disposable filter(s) installed 

in your system with the same size filters that are 
being replaced.

IMPORTANT

 - This product has been designed and manufactured to meet ENERGY STAR criteria for 

energy efficiency. However, proper refrigerant charge and proper air flow are critical to achieve rated 
capacity and efficiency. Installation of this product should follow the manufacturer’s refrigerant charging 
and air flow instructions. Failure to confirm proper charge and airflow may reduce energy efficiency 
and shorten equipment life. 

THIS APPLIES TO 18 - 19 SEER (2, 3, & 4 TON) MODELS ONLY.

Specifications & illustrations subject to change without notice or incurring obligations (05/18).
O’Fallon, MO, © Nortek Global HVAC LLC 2018. All Rights Reserved.

Содержание PSH4BG

Страница 1: ...thoroughly before using the equipment Follow all precautions and warnings contained within these instructions and on the unit Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE WARNING To achieve optimum performance and minimize equipment failure it is r...

Страница 2: ...pump model Heating Operation Only 1 Set the thermostat s system mode to HEAT and change the fan mode to AUTO 2 Setthetemperatureselectortothedesiredtemperature level The compressor outdoor fan and blower motor will cycle on and off to maintain the indoor temperature at the desired heating level NOTE If the temperature level is re adjusted or the system mode is reset the fan and compressor in the o...

Страница 3: ...or tripped circuit breakers Check the filters for dust accumulation Checktheunitandmakesureitiscleanandnotcovered with grass or leaves If the items above don t resolve your problems then call your nearest service technician HEAT PUMP MAINTENANCE WARNING This heat pump contains liquid and gaseous refrigerant under pressure Installation and servicingshouldonlybeattemptedbyqualified trained personnel...

Страница 4: ...the unit to ensure that it is physically sound without sagging cracks gaps etc Air Filters WARNING Never operate the unit without a filter in the return air system Dust and lint in the return air can build up on the internal components resulting in loss of efficiency equipment damage and possible fire risk Inspect and clean or replace air filters at the beginning ofeachheatingandcoolingseason ormo...

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