Controls; Control Panel Removal; Control Adjustments - Millivolt Models - Raypak 406A Installation And Operation Manual

8. CONTROLS

CONTROL
BEZEL
ROLL-OUT
SWITCH
GAS
VALVE
Figure 39. Location of Controls (View One)
DRAIN
PLUG IN
REAR
HEADER
Figure 40. Location of Controls (View Two)

Control Panel Removal

1. Remove screw from front door. Set aside door for
serviceability.
2. Remove (4) screws from sides of control panel.
3. Rotate control panel down until panel stops. Do not
force.
26
PRELIMINARY
PRESSURE SWITCH
TEMP SENSOR
HL1 - HIGH LIMIT
HL2 - HIGH LIMIT
UNITHERM
GOVERNOR
PROTEK
SHIELD
ASSY
F10640-2
PILOT
F10640-3
UNCONTROLLED DOCUMENT IF PRINTED
NOTE: Caution must be used to not damage controls
or wiring.
Figure 41. Knurled Screw Location
Control Adjustments -
Millivolt Models
The water temperature is controlled by the heater thermostat
on the upper front panel of the heater. The control center
contains an On/Off switch and one thermostat.
The thermostat is fitted with a means of limiting the upper
temperature just below the maximum level. The knob stop
adjustment ring illustrated below is adjustable by loosening
the set screw, rotating the knob stop ring to the desired
location and re-tightening the set screw.
SPA TEMPERATURE
RANGE
KNOB STOP RING
SET SCREW
KNOB STOP SHOWN ABOVE IS IN THE SPA TEMPERATURE RANGE.
Figure 42. Control Adjustment – Millivolt Models
KNURLED
SCREW
F10646-5
POOL TEMPERATURE
RANGE
STAND-BY
TEMPERATURE