This document is the installation manual of gas heat/electric refrigeration integrated machine, which mainly introduces the unit parameters, installation position, exhaust and auxiliary fresh air hood, panel installation, installation spacing, unit installation, air duct, return air, gas supply and pipeline, electrical wiring, gas furnace control, operation guide, system operation information, fault diagnosis, electrical wiring diagram, and cold medium system filling curve.
This manual provides step‑by‑step instructions for qualified service personnel to install, adjust and operate the Rheem KKB gas heating/electric cooling all‑in‑one units. It covers safety warnings, required clearances, mechanical layout, gas supply, electrical wiring, control setup, and start‑up procedures.
The document also includes system performance data, refrigerant charging curves, fault diagnostics, and recommended maintenance practices to ensure reliable operation and compliance with national codes such as NFPA‑90A/90B and the National Fuel Gas Code. This manual is written in Chinese.
| Nominal cooling capacity | 15, 20 & 25 TON (53, 70 & 88 kW) |
|---|---|
| Frequency | 50 Hz |
| Refrigerant type | R22 |
The manual warns that ignoring the instructions can cause fire, explosion, electric shock, carbon monoxide poisoning, or personal injury, and that the unit must be installed and serviced by authorized personnel.