Appendixes Phason
90 2009-06-15
Variable stage settings worksheet
Setting Variable 1 Variable 2
Range/On full at c
Set point c
Off at c
Idle speed d
c Temperature in °F/°C, range: 0.0 to 37.7°C (32.0 to 99.9°F)
d Idle speed in %; range: 0 to 100 %
If you need to connect more cooling elements than you have relays available, and
you are not using both variable stages, you can use an available variable stage as
an ON/OFF stage (for 120/230 VAC-powered equipment only).
Set the idle speed to 100% and ‘off at’ to the temperature at which you want the
stage to switch on/off.
You no longer have “variable” speed or power; instead you have either full on or
full off, the same as a regular cooling element. The ‘set point’ and ‘on full at’
settings have no effect when you use a variable stage this way.
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