To Next PageTo Next Page
Need help?Do you have a question about the Carrier 25HCA and is the answer not in the manual?
General| Model Number | 25HCA |
|---|---|
| Category | Heat Pump |
| Refrigerant Type | R-410A |
| Operating Voltage (VAC) | 208/230 |
| Phase | 1 |
| HSPF Rating | 9 |
| Sound Level (dBA) | 72 |
| Dimensions (H x W x D, in) | 31.5 x 34.5 x 31.5 |
Verify unit condition and installation site suitability before proceeding.
Securely mount the unit on a stable, level pad, using tie-down bolts if required.
Ensure adequate space around the unit for airflow, wiring, piping, and service access.
Note the minimum and maximum outdoor operating ambient temperatures for cooling and heating.
Raise the unit to provide clearance above estimated snowfall levels and ensure proper drainage.
Replace existing piston or R-22 TXV with a factory-approved Puron TXV.
Confirm the defrost thermostat is properly located and securely attached to the stub tube.
Connect liquid and vapor refrigerant lines using proper brazing and leak testing techniques.
Connect power and control wiring according to codes, ensuring proper grounding and voltage.
Power the crankcase heater at least 24 hours before starting unit to prevent oil dilution.
Follow individual instructions for installing any additional electrical accessories.
Follow procedures to safely start the system, check refrigerant charge, and set thermostat.
Verify system refrigerant charge using subcooling or weight methods per unit rating plate.
Ensure all wiring, tubing, and panels are secure before leaving the job site.
