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Carrier Performance 2 Series Installation Instructions Manual
Carrier Performance 2 Series Installation Instructions Manual

Carrier Performance 2 Series Installation Instructions Manual

2-stage heat pump with puron refrigerant 2 to 5 nominal tons

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25HCB6
Performancet Series 2---Stage Heat Pump
with Puronr Refrigerant
2 To 5 Nominal Tons
SAFETY CONSIDERATIONS
NOTE: Read the entire instruction manual before starting the
installation.
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
current editions of the National Electrical Code ( NEC ) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code
CSA 22.1.
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 would 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.
WARNING
!
EXPLOSION HAZARD
Failure to follow this warning could
result in death, serious personal injury,
and/or property damage.
Never use air or gases containing
oxygen for leak testing or operating
refrigerant compressors.
mixtures of air or gases containing
oxygen can lead to an explosion.
Installation Instructions
Pressurized
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 appropriate
for unit capacity.
3. Run refrigerant tubes as directly as possible by avoiding un-
necessary turns and bends.
4. Leave some slack between structure and unit to absorb vi-
bration.
5. When passing refrigerant tubes through the wall, seal open-
ing 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 sur-
rounds 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.
NOTE:
Avoid contact between tubing and structure
OUTDOOR WALL
CAULK
INSULATION
THROUGH THE WALL
HANGER STRAP
(AROUND VAPOR
TUBE ONLY)
1" (25.4 mm) MIN.
SUSPENSION
Fig. 1 - - Piping Installation
When outdoor unit is connected to factory- -approved indoor unit,
outdoor unit contains system refrigerant charge for operation with
AHRI 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.
INDOOR WALL
LIQUID TUBE
VAPOR TUBE
JOIST
INSULATION
VAPOR TUBE
LIQUID TUBE
A94026

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Summary of Contents for Carrier Performance 2 Series

  • Page 1 25HCB6 Performancet Series 2---Stage Heat Pump with Puronr Refrigerant 2 To 5 Nominal Tons Installation Instructions SAFETY CONSIDERATIONS INSTALLATION RECOMMENDATIONS NOTE: Read the entire instruction manual before starting the NOTE: In some cases noise in the living area has been traced to installation.
  • Page 2 IMPORTANT: Maximum liquid- -line size is 3/8- -in. OD for all 3/8--- in. (9.53 mm) Dia. Tiedown Knockouts in residential applications including line line. Basepan(2) Places IMPORTANT: Always install the factory- -supplied liquid- -line filter drier. Obtain replacement filter driers from your distributor or branch.
  • Page 3 Table 1 – Accessory Usage Required for Low Ambient Required for Sea Coast Required for Long Line Accessory Cooling Applications Applications Applications* (Below 55° F / 12.8° C) (within 2 miles/3.2 km) Compressor Start Assist Capacitor and Relay Crankcase Heater Yes (standard) Yes (standard) Evaporator Freeze Thermostat...
  • Page 4 Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth. The deep vacuum method is the most positive way of assuring a system is free of air and liquid water.
  • Page 5 Connect Ground and Power Wires Install Electrical Accessories Connect ground wire to ground connection in control box for Refer to the individual instructions packaged with kits or safety. Connect power wiring to contactor as shown in Fig. 7. accessories when installing. Airflow Selections (ECM Furnaces) WARNING The ECM Furnaces provide blower operation to match the...
  • Page 6 Start- -Up CAUTION CAUTION PERSONAL INJURY HAZARD UNIT OPERATION AND SAFETY HAZARD Failure to follow this caution may result in personal injury, Failure to follow this caution may result in personal equipment damage or improper operation. injury. S Do not overcharge system with refrigerant. Wear safety glasses, protective clothing, and gloves when S Do not operate unit in a vacuum or at negative pressure.
  • Page 7 Sequence of Operation The compressor will always start unloaded and stay unloaded for five seconds even when the thermostat is calling for high stage NOTE: Defrost control board is equipped with 5 minute lockout capacity. timer that is initiated upon any interruption of power. Quiet Shift- -2 Turn on power to indoor and outdoor units.
  • Page 8 Check Charge Unloader Test Procedure The unloader is the compressor internal mechanism, controlled by Factory charge amount and desired subcooling are shown on unit the DC solenoid, that modulates between high and low stage. If it rating plate. Charging method is shown on information plate inside is suspected that the unloader is not working, the following unit.
  • Page 9 TROUBLESHOOTING CARE AND MAINTENANCE If the compressor fails to operate with a cooling call, the table For continuing high performance and to minimize possible below (Resistance table) can be used to verify if there is any equipment failure, periodic maintenance must be performed on this damage to the compressor windings causing system malfunction.
  • Page 10 S All indoor coils must be installed with a hard shutoff Puron TXV metering device. Always Ask For Catalog No: 25HCB6---3SI Copyright 2013 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 03/13 Replaces: 25HCB6--- 2SI...

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