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Installation Instructions

25HPA

Performancet Series Heat Pump

with Puronr Refr iger a n t

1---1/2 To 5 Nominal Tons (Sizes 18 to 60)

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,

maintenance, or use can cause explosion, fire, electrical shock, or

other conditions which may cause death, personal injury, or

property damage. Consult a qualified installer, service agency, or

your distributor or branch for information or assistance. The

qualified installer or agency must use factory--authorized kits or

accessories when modifying this product. Refer to the individual

instructions 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 instructions

thoroughly and follow all warnings or cautions included in

literature and attached to the unit. Consult local building codes

and 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 or

manuals, be alert to the potential for personal injury.

Understand these signal words: DANGER, WARNING, and

CAUTION. These words are used with the safety--alert symbol.

DANGER identifies the most serious hazards which will result in

severe personal injury or death. WARNING signifies hazards

which could result in personal injury or death. CAUTION is

used to identify unsafe practices which may result in minor

personal injury or product and property damage. NOTE is used to

highlight suggestions which will result in enhanced installation,

reliability, or operation.

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury

or death.

Before installing, modifying, or servicing system, main

electrical disconnect switch must be in the OFF position.

There may be more than 1 disconnect switch. Lock out and

tag switch with a suitable warning label.

IMPORTANT: Maximum liquid--line size is 3/8--in. OD for all

residential applications including long line.

IMPORTANT: Always install the factory--supplied liquid--line

filter drier . Obtain replacement filter driers from your distributor

or branch.

INSTALLATION RECOMMENDATIONS

NOTE: In some cases noise in the living area has been traced

to gas pulsations from improper installation of equipment.

1. Locate unit away from windows, patios, decks, etc. where

unit operation sound may disturb customer.

2. Ensure that vapor and liquid tube diameters are appropri-

ate for unit capacity.

3. Run refrigerant tubes as directly as possible by avoiding

unnecessary turns and bends.

4. Leave some slack between structure and unit to absorb vi-

bration.

5. When passing refrigerant tubes through the wall, seal

opening with RTV or other pliable silicon--based caulk.

(See Fig. 1.)

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 studs

with a rigid wire or strap which comes in direct contact

with tubing. (See Fig. 1.)

8. Ensure that tubing insulation is pliable and completely

surrounds vapor tube.

9. When necessary, use hanger straps which are 1 in. (25.4

mm) wide and conform to shape of tubing insulation. (See

Fig. 1.)

10. Isolate hanger straps from insulation by using metal

sleeves bent to conform to shape of insulation.

INSULATION

VAPOR TUBE

LIQUID TUBE

OUTDOOR WALL INDOOR WALL

LIQUID TUBE

VAPOR TUBE

INSULATION

CAULK

Avoid contact between tubing and structureNOTE:

THROUGH THE WALL

HANGER STRAP

(AROUND VAPOR

TUBE ONLY)

JOIST

1″ (25.4 mm)MIN.

SUSPENSION

A94028

Fig. 1 --- Connecting Tubing Installation

When outdoor unit is connected to factory--approved indoor unit,

outdoor unit contains system refrigerant charge for operation with

ARI rated indoor unit when connected by 15 ft/4.57 m. of

field--supplied or factory accessory tubing. For proper unit

operation, check refrigerant charge using charging information

located on control box cover and/or in the Check Charge section

of this instruction.

1 2 3 4 5 6 ... 11 12

Résumé du contenu

Page 1 - Installation Instructions

Installation Instructions25HPAPerformancet Series Heat Pumpwith Puronr Refr iger a n t1---1/2 To 5 Nominal Tons (Sizes 18 to 60)SAFETY CONSIDERATIONSI

Page 2 - INSTALLATION

10TROUBLESHOOTINGSystems Communication FailureIf communication between User Interface (UI), and condensingunit is lost, the outdoor control will flash

Page 3 - ISO 9001:2000

11Status CodesTable 3 shows the status codes flashed by the amber status light.Most system problems can be diagnosed by reading the statuscode as flas

Page 4

1201020304050607080900 (-17.77)20 (-6.67)40 (4.44)60 (15.56)80 (26.67)100 (37.78)120 (48.89)TEMPERATURE °F (°C)RESISTANCE (KOHMS)THERMISTOR CURVEA0805

Page 5

2INSTALLATIONCheck Equipment and Job SiteUnpackUnitMove to final location. Remove carton taking care not to damageunit.Inspect EquipmentFile claim wit

Page 6 - OCT Thermistor

3Outdoor units may be connected to indoor section usingaccessory tubing package or field--supplied refrigerant gradetubing of correct size and conditi

Page 7 - STANDARD THERMOSTAT

4Outdoor Unit Connected to Factory ApprovedIndoor UnitThese outdoor units are carefully evaluated and listed withspecific indoor coils for proper syst

Page 8 - } Outdoor Air Temp (OAT)

5Final Tubing CheckIMPORTANT: Check to be certain factory tubing on both indoorand outdoor unit has not shifted during shipment. Ensure tubesare not r

Page 9

6The Outdoor Coil Temperature (OCT) Thermistor is factoryinstalled on the 3/8” diameter stub tube located on the coilassembly. Check to make sure that

Page 10 - TROUBLESHOOTING

7Check ChargeFactory charge amount and desired subcooling are shown on unitrating plate. Char ging method is shown on information plateinside unit. To

Page 11 - Status Codes

8Outdoor Coil Temp (OCT)} Outdoor Air Temp (OAT)}COMM STATUSA05332Fig. 11 --- Contro l BoardTime DelaysThe unit time delays include:S Five minute time

Page 12 - THERMISTOR CURVE

9Standard Thermostat low ambient cooling mode:A Low Ambient Pressure Switch kit, Evaporator FreezeThermostat and Isolation Relay must be installed for

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Carrier 25HPA Performance Series Spécifications

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