Raypak AVIA 264A, Installation And Operation Manual

Page: 27 / 158

27
7. CONTROLS
PRESSURE SWITCH
TEMP SENSOR
HL1 - HIGH LIMIT
HL2 - HIGH LIMIT
UNITHERM
GOVERNOR
PROTEK
SHIELD
ASSY
CONTROL
BEZEL
F108390-1
OUTLET SENSOR
INLET SENSOR
Figure 32. Location of Controls (View One)
BLOWER
WATER PRESSURE
SWITCH
HIGH LIMIT (HL 2)
HIGH LIMIT (HL 1)
VENT SENSOR
DRAIN PLUG IN
REAR HEADER
Figure 33. Location of Controls (View Two)
Heater Top Removal
1. Remove the knurled screws from front and rear door.
See Figure 34. Set jacket top aside for serviceability.
2. Lift top cover to detach from unit. Leave user interface
harness connected to Ignition board.
NOTE: Caution must be used to not damage controls
or wiring.
SCREW
HOLE SCREW HOLE
HEATER TOP
Figure 34. Heater Top Removal
Control Adjustments
The pool heater touchpad, located on the upper front
panel of the heater, allows the user to select either POOL
or SPA operation, and to adjust the setpoint temperature.
The LCD display window indicates the mode (OFF, SPA,
POOL) and the actual water temperature. A manual power
switch provided below the touchpad turns the control
power ON or OFF. See Figure 35.
MODE SERVICE DOWN
UP CONNECT
LCD DISPLAY TEMP ADJUST CONNECT MENU
SERVICE MENU MODE KEY
ON / OFF
SWITCH
Figure 35. Control Adjustments
Mode Key
The Mode Key is used to select POOL or SPA operation. It
also allows the user to select the OFF mode of operation,
during which the LCD, while displaying OFF, continues to
show the water temperature.
UP and DOWN Keys
If the heater is in POOL or SPA mode, the desired water
temperature (SETPOINT) will be displayed and may be
adjusted using the UP or DOWN keys.