Carrier GW Series Installation Instructions Manual

Contents

2! WARNINGUNIT OPERATION AND SAFETY HAZARDFailure to follow this warning could result in personal injuryor equipment damage.PuronR refrigerant systems operate at higher pressures thanstandard R--22 systems. Do not use R--22 service equipmentor components on PuronR refrigerant equipment.CUT HAZARDFailure to follow this caution may result in personal injury.Sheet metal parts may have sharp edges or burrs. Use care andwear appropriate protective clothing and gloves whenhandling parts.CAUTION!INSTALLATION RECOMMENDATIONSThe GW Water--to--Water Heat Pump is Underwriters Laboratories(UL) and (cUL) listed for safety. The water--to--water heat pumpsare designed to operate with entering fluid temperature between25_F to 110_F.Safety devices are built into each unit to provide the maximumsystem protection possible when properly installed and maintained.IMPORTANT: 50_ Min. EWT (entering water temperature) forwell water applications with sufficient water flow to preventfreezing. Antifreeze solution is required for all closed loopapplications. Earth Coupled (Geothermal) applications should havesufficient antifreeze solution to protect against extreme conditionsand equipment failure. Frozen water coils are not covered underwarranty.IMPORTANT: This product should not be used for temporarilyheating or cooling during construction. Doing so may effect theunit’s warranty.CAUTION!UNIT OPERATION HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Discharge air configuration change is not possible on HeatPumps equipped with Electric Heat Option.Check Equipment and Job SiteMoving and StorageIf the equipment is not needed for immediate installation upon itsarrival at the job site, it should be left in its shipping carton andstored in a clean, dry area. Units must only be stored or moved inthe normal upright position as indicated by the “UP” arrows oneach carton at all times.EQUIPMENT DAMAGE HAZARDFailure to follow this caution may result in equipment damage.If unit stacking is required for storage, stack units as follows:Do not stack units larger than 6 tons!Vertical units: less than 6 tons, no more than two high.Horizontals units: less than 6 tons, no more than three high.CAUTION!Inspect EquipmentBe certain to inspect all cartons or crates on each unit as received atthe job site before signing the freight bill. Verify that all items havebeen received and that there are no visible damages; note anyshortages or damages on all copies of the freight bill. In the eventof damage or shortage, remember that the purchaser is responsiblefor filing the necessary claims with the carrier. Concealed damagesnot discovered until after removing the units from the packagingmust be reported to the carrier within 24 hours of receipt.Location / ClearanceLocate the unit in an indoor area that allows easy removal of thefilter and access panels, and has enough room for service personnelto perform maintenance or repair. Provide sufficient room to makefluid, electrical, and duct connection(s). If the unit is located in aconfined space such as a closet, provisions must be made for returnair to freely enter the space. On horizontal units, allow adequateroom below the unit for a condensate drain trap and do not locatethe unit above supply piping.CAUTION!UNIT OPERATION HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.These units are not approved for outdoor installation;therefore, they must be installed inside the structure beingconditioned. Do not locate in areas that are subject tofreezing.CAUTION!UNIT DAMAGE AND/OR OPERATION HAZARDFailure to follow this caution may result in equipmentdamage and/or improper equipment operation.It is extremely important to take the proper precautions toinsure that the heat pump unit is installed in the properlocation and that measures have been taken to preventrupturing the water coil due to freezing conditions.Frozen water coils are not covered under the limitedproduct warranty.