Manual 2100-597G
Page
34 of 68
WARNING! Do NOT use a Schrader valve core removal
tool with these valves. Use of such a tool could result
in eye injuries or refrigerant burns!
To change a Coremax valve without first removing the
refrigerant, a special tool is required which can be
obtained at www.fastestinc.com/en/SCCA07H. See the
replacement parts manual for replacement core part
numbers.
LOWERING OUTDOOR FAN SPEED FOR
SOUND
Supplied in the literature assembly is a fan control
resistor assembly that can be installed to lower the fan
speed for reduced sound performance. This resistor
assembly is to be installed in series with the outdoor
fan control thermistor to change the temperature curve
that the fan logic control sees.
It is anticipated that a 2-3% drop in system capacity
and efficiency will be seen when this resistor is
installed.
To install the resistor assembly:
1. Locate fan control resistor assembly in literature
packet hanging on right inside door of unit.
2. Throw main power disconnect to the “OFF”
position to eliminate risk of injury or death due to
electrical shock.
3. Remove four (4) screws that retain the control
panel cover to the unit.
4. Locate fan logic control board.
5. Locate one of the red leads of the fan control
thermistor where it attaches to the fan logic control
and remove it.
6. Install resistor in-line with the thermistor lead
removed in Step #5, and then connect back onto
the fan logic control board.
