Control Adjustments-Millivolt - Rheem Versa Heaters Instructions Manual

Installation Instructions—240 Volt
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.
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.
4. Wire nut green supply ground line to green trans-
former wire
240V HOOK-UP
HOT
L1
BLACK
HOT
SUPPLY
L2
SIDE
RED
GREEN
Fig. 18: 240V Hook-Up
BLACK
HEATER
RED
GREEN
WHITE
16
Control Adjustments—Millivolt
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 turn-
ing the heater On or Off.
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.
HOT
Knobstop Set Screw
Knobstop Ring
Fig. 19: Water Temperature Thermostat
NOTE: Maximum temperature is 104°F.
COOL