Rheem Versa Heaters Operating Instructions - Page 16

Installation Instructions-240 Volt Control Adjustments-Millivolt CAUTION: This heater has provisions to be connected to an alternate supply source. To reduce the risk of electric shock, disconnect all connections before servicing. The pool or spa water temperature is controlled by the thermostat on the upper front panel of the heater. The control center contains an On/Off toggle switch and a thermostat. The switch functions as a means for turning the heater On or Off. 1. Disconnect and remove 120 volt power cord. 2. Install wire nut on white transformer wire. 3. Wire nut 240 volt supply lines to the red and black wire on the transformer. The thermostat is fitted with a means of limiting the upper temperature limit below the maximum level. The knob stop adjustment ring shown in Fig. 19 is adjustable by loosening the set screw, rotating the knobstop ring to the desired location, and retightening the set screw. 4. Wire nut green supply ground line to green trans- HOT former wire 240V HOOK-UP SUPPLY SIDE HOT L1 BLACK HOT L2 RED GREEN BLACK RED GREEN WHITE Fig. 18: 240V Hook-Up HEATER COOL Knobstop Set Screw Knobstop Ring Fig. 19: Water Temperature Thermostat NOTE: Maximum temperature is 104°F. 16