Unit Specifications ........................................ 2 II. Safety Information ......................................... 6 III. General Information ...................................... 7 IV. Rigging and Handling ................................... 9 V. Gas Piping .................................................... 10 Vl. Electrical Wiring .......................................... 12 Vll. Circulating Air and Filters .......................... 13 VIII. Flue Vent ........................

16 Air Circulation Blower Gas Valve Ignitor Pressure Switch (N.O. Contacts) Combustion Blower Thermostat ON OFF OPEN CLOSED ON OFF CLOSED OPEN ON OFF ON OFF Seconds 0 34 38 110 0 90 Thermostat ON Gas Valve OpensIgnitor OFF Air Blower ON Thermostat OFFCombustion ProductPurge Ends. Air Blower OFFCombustionBlower OFF Figure 12 Timing Chart for Normal Robertshaw Operation (PGB & PGC) On Indoor Fan Off Outdoor Fan On and Off Compressor On Thermostat Off Seconds 0 15 0 45 (approx.) (approx.) Figure 13