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Follow safety codes, wear safety glasses and gloves. Use quenching cloth and fire extinguisher for brazing.
Replace refrigerant control piston and connect refrigerant lines.
Install branch circuit disconnect, connect power leads, ground leads, and control wiring.
Connect units using accessory tubing or field-supplied tubing, observe line length limits.
Instructions for charging R-22 refrigerant based on system configuration and line length.
Steps for checking and adjusting charge using charts based on pressures and temperatures.
Charts for specific unit combinations to determine correct refrigerant charge for cooling.
More charts for specific unit combinations for cooling cycle charging.
Chart for specific unit combinations to check operation in heating cycle.
Charts for specific unit combinations to check operation in heating cycle.
More charts for specific unit combinations for heating cycle operation check.
Lists potential causes for insufficient cooling when compressor runs.
Lists potential causes for lack of or insufficient heating.
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