16
Installation Instructions—240 Volt
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
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.
240V HOOK-UP
HEATER
L1
L2
RED
RED
BLACK
HOT
HOT
BLACK
GREEN
GREEN
WHITE
SUPPLY
SIDE
Fig. 18: 240V Hook-Up
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
COOL
Knobstop Ring
Knobstop Set Screw
Fig. 19: Water Temperature Thermostat
NOTE:
Maximum temperature is 104°F.
