Rheem P-M406 Operating Instructions - Page 32

Knurled, Screw

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CONTROL PANEL REMOVAL 1. Remove screw from front door. Set aside door for serviceability. 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. KNURLED SCREW The thermostat is fitted with a means of limiting the upper temperature limit 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 POOL TEMPERATURE RANGE 2. Remove (4) screws from sides of control panel. 3. Rotate control panel down until panel stops. Do not force. NOTE: Caution must be used to not damage controls or wiring. CONTROL ADJUSTMENTS ADVANCED FLAME TECHNOLOGY (AFT) MODELS Temp Adjust Buttons Mode Button KNOB STOP RING SET SCREW STAND-BY TEMPERATURE KNOB STOP SHOWN ABOVE IS IN THE SPA TEMPERATURE RANGE LCD Display ON OFF 32

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32
CONTROL PANEL REMOVAL
1.
Remove screw from front door. Set aside door for
serviceability.
CONTROL ADJUSTMENTS - MILLIVOLT MODELS
The water temperature is controlled by the heater ther-
mostat on the upper front panel of the heater. The
control center contains an On/Off switch and one ther-
mostat.
The thermostat is fitted with a means of limiting the
upper temperature limit 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
POOL TEMPERATURE
RANGE
KNOB STOP RING
SET SCREW
STAND-BY
TEMPERATURE
KNOB STOP SHOWN ABOVE IS
IN THE SPA TEMPERATURE RANGE
KNURLED
SCREW
Temp Adjust Buttons
Mode Button
LCD Display
ON
OFF
2.
Remove (4) screws from sides of control panel.
3.
Rotate control panel down until panel stops. Do
not force.
NOTE:
Caution must be used to not damage controls
or wiring.
CONTROL ADJUSTMENTS -
ADVANCED FLAME TECHNOLOGY
(AFT) MODELS