Carrier Performance 26TPA8 Installation Instructions Manual

26TPA8
Performance™ Series 2-Stage Air Conditioner
with Puron Advance™ (R-454B) Refrigerant
and InteliSense™ Technology
2 to 5 Nominal Tons
NOTE: For use with R-454B indoor units only. Read the entire instruction manual before starting the installation.
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Check Equipment and Job Site . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Install on a Solid, Level Mounting Pad . . . . . . . . . . . . . . . . . . . . . 2
Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Operating Ambient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Make Piping Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
MANDATORY PIPING REQUIREMENTS. . . . . . . . . . . . . . . . . . . 5
Make Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Compressor Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Install Electrical Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Airflow Selections (ECM Furnaces) . . . . . . . . . . . . . . . . . . . . . . . 8
Airflow Selection for Variable Speed Furnaces
(Non-Communicating) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Airflow Selection for FT5A Fan Coils
(Non-Communicating) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SYSTEM FUNCTION AND SEQUENCE OF OPERATION . . . . . 9
Compressor Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CHECK CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
FINAL CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
REPAIRING REFRIGERANT CIRCUIT . . . . . . . . . . . . . . . . . . . . 11
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
MAJOR COMPONENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
TRAINING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

SAFETY CONSIDERATIONS

The following considerations are critical to upholding safety during
installation:
IMPORTANT: This appliance shall only be installed by EPA qualified
personnel having appropriate certification. This appliance is not
intended for use by persons (including children) with reduced physical,
sensory, or mental capabilities or lack of experience and knowledge,
unless they have been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
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 a dry
powder or CO fire extinguisher available. Read these instructions
2
thoroughly and follow all warnings or cautions included in literature and
attached to the unit. Consult local building codes and current editions of
Installation Instructions
the National Electrical Code (NEC) NFPA 70. In Canada, refer to
current editions of the Canadian Electrical Code CSA 22.1.
Proper tools should be used that are designed for the refrigerant of the
unit being installed. For A2L refrigerants, non-sparking tools are
required. A refrigerant detector should be used prior to and during the
installation process to check for leaks. Open flames or other ignition
sources should not be present except during brazing. Brazing should
only take place on refrigerant tubes open to the atmosphere or have been
properly evacuated.
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, death, and/or
property damage.
Never use air or any gas containing oxygen for
leak testing or operating refrigerant compressors.
Never allow compressor suction pressure to
operate in a vacuum with service valves closed.
See Service Manual for pump-down instructions.

GENERAL

The following are general installation recommendations/NOTES to be
observed throughout the installation process:
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.