Installation Instructions - Carrier

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25HNASAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service,maintenance, or use can cause explosion, fire, electrical shock, orother conditions which may cause death, personal injury, orproperty damage. Consult a qualified installer, service agency, oryour distributor or branch for information or assistance. Thequalified installer or agency must use factory -authorized kits oraccessories when modifying this product. Refer to the individualinstructions packaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Use quenching cloth for brazing operations.Have fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included inliterature and attached to the unit. Consult local building codesand National Electrical Code (NEC) for special requirements.Recognize safety information. This is the safety -alert symbol !When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury. Understandthese signal words; DANGER, WARNING, and CAUTION.These words are used with the safety -alert symbol. DANGERidentifies the most serious hazards which will result in severepersonal injury or death. WARNING signifies hazards whichcould result in personal injury or death. CAUTION is used toidentify unsafe practices which may result in minor personalinjury or product and property damage. NOTE is used tohighlight suggestions which will result in enhanced installation,reliability, or operation.! WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing, modifying, or servicing system, mainelectrical disconnect switch must be in the OFF position.There may be more than 1 disconnect switch. Lock outand tag switch with a suitable warning label.! 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.INSTALLATION RECOMMENDATIONSNOTE: In some cases noise in the living area has been traced togas pulsations from improper installation of equipment.1. Locate unit away from windows, patios, decks, etc. whereunit operation sound may disturb customer.2. Ensure that vapor and liquid tube diameters areappropriate for unit capacity.3. Run refrigerant tubes as directly as possible by avoidingunnecessary turns and bends.4. Leave some slack between structure and unit to absorbvibration.5. When passing refrigerant tubes through the wall, sealopening with RTV or other pliable silicon -based caulk.(See Fig. 2.)6. Avoid direct tubing contact with water pipes, duct work,floor joists, wall studs, floors, and walls.7. Do not suspend refrigerant tubing from joists and studswith a rigid wire or strap which comes in direct contactwith tubing.(See Fig. 2.)8. Ensure that tubing insulation is pliable and completelysurrounds vapor tube.9. When necessary, use hanger straps which are 1 in. wideand conform to shape of tubing insulation. (See Fig. 2.)10. Isolate hanger straps from insulation by using metalsleeves bent to conform to shape of insulation.When outdoor unit is connected to factory -approved indoor unit,outdoor unit contains system refrigerant charge for operation withARI rated indoor unit when connected by 15 ft. of field -suppliedor factory accessory tubing. For proper unit operation, checkrefrigerant charge using charging information located on controlbox cover and/or in the Check Charge section of this instruction.IMPORTANT: Maximum liquid -line size is 3/8 -in. OD for allresidential applications including long line applications.IMPORTANT: Always install the factory -supplied liquid -linefilter drier. Obtain replacement filter driers from your distributoror branch.2
OUTDOOR WALLCAULKINSTALLATIONNOTE: Avoid contact between tubing and structureINDOOR WALLLIQUID TUBEINSULATIONHANGER STRAP(AROUND VAPORTUBE ONLY)THROUGH THE WALLVAPOR TUBEJOISTINSULATIONVAPOR TUBE1” MIN.SUSPENSIONFig. 2 --- Connecting Tube <strong>Installation</strong>LIQUID TUBEA94026Specifications for this unit in residential new construction marketrequire the outdoor unit, indoor unit, refrigerant tubing sets,metering device, and filter drier listed in presale literature. Therecan be no deviation. Consult the Service Manual – AirConditioners and Heat Pumps Using Puron® Refrigerant toobtain required unit changes for specific applications and forR -22 retrofit.STEP 1 —Check Equipment and Job SiteUnpack UnitMove to final location. Remove carton taking care not to damageunit.Inspect EquipmentFile claim with shipping company prior to installation if shipmentis damaged or incomplete. Locate unit rating plate on unit cornerpanel. It contains information needed to properly install unit.Check rating plate to be sure unit matches job specifications.STEP 2 —Install on a Solid, Level Mounting PadIf conditions or local codes require the unit be attached to pad, tiedown bolts should be used and fastened through knockoutsprovided in unit base pan. Refer to unit mounting pattern in Fig.3 to determine base pan size and knockout hole location.For hurricane tie downs, contact distributor for details and PECertification (Professional Engineer), if required.On rooftop applications, mount on level platform or frame. Placeunit above a load -bearing wall and isolate unit and tubing setfrom structure. Arrange supporting members to adequatelysupport unit and minimize transmission of vibration to building.Consult local codes governing rooftop applications.Roof mounted units exposed to winds above 5 mph may requirewind baffles. Consult the Service Manual - Residential SplitSystem Air Conditioners and Heat Pumps Using Puron®Refrigerant for wind baffle construction.UNIT BASE PANDIMENSIONSTIEDOWN KNOCKOUT LOCATIONSA B C36-1/2x40 11 -5/8 6 -13/16 28 -3/429 -1/2 X 33 10–1/16 5–5/8 23–3/4Fig. 3 --- Tiedown Knockout LocationsA05242NOTE: Unit must be level to within ±2° (±3/8 in./ft.) percompressor manufacturer specifications.STEP 3 —Clearance RequirementsWhen installing, allow sufficient space for airflow clearance,wiring, refrigerant piping, and service. Allow 30 -in. clearance toservice end of unit and 48 in. above unit. For proper airflow, a6 -in. clearance on 1 side of unit and 12 in. on all remaining sidesmust be maintained. Maintain a distance of 24 in. between units.Position so water, snow, or ice from roof or eaves cannot falldirectly on unit.On rooftop applications, locate unit at least 6 in. above roofsurface.STEP 4 —Operating AmbientThe minimum outdoor operating ambient in cooling mode is55°F without low ambient cooling enabled and the maximumoutdoor operating ambient in cooling mode is 125°F. OnInfinityt communicating systems only (for both 25HNA6 and25HNA9), low ambient cooling is available to 0°F.The maximum outdoor operating ambient in heating mode is66°F on all models. Continuous operation in the heating mode isapproved to -30_F.STEP 5 —Elevate Unit!CAUTIONUNIT OPERATION HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not allow water and/or ice to build up in base pan.Elevate unit per local climate and code requirements to provideclearance above estimated snowfall level and ensure adequatedrainage of unit.25HNA3
Page 1: 25HNAInfinityt Series Heat Pumps wi
Page 5 and 6: STEP 7 —In Long -Line Application
Page 7 and 8: Evacuate Refrigerant Tubing and Ind
Page 9 and 10: STEP 13 —Start-Up!CAUTIONUNIT OPE
Page 11 and 12: 25HNAUTILITY RELAY *UTILITY SIGNALO
Page 13 and 14: Heating Check Chart ProcedureTo che
Page 15 and 16: Contactor Shorted DetectionIf there
Page 17 and 18: OPERATIONStandby - no call for unit
Page 19 and 20: FINAL CHECKSIMPORTANT: Before leavi

Installation Instructions - Carrier

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