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Cooling
AZ4500 In the cooling mode, the compressor,
indoor fan and outdoor fan run.
AZ6500 In the cooling mode, the compressor,
indoor fan and outdoor fan run.
The reversing valve is energized
throughout the entire cooling cycle.
For both AZ4500 and AZ6500, once the compressor
comes on in cooling, it will pull the room
temperature down to the thermostat setting.
Room Temp
Set-point +18°F
Room Temp
ON
Fan pulsing for temperature checking after
•
The Zoneline will pulse the indoor fan
periodically when it is not on a remote
thermostat and set to cyclic cooling.
•
The system will wait 6 minutes after the
fan, pulling air across the air thermistor for a
duration of 30 seconds.
•
Zoneline, the system will continue pulsing until
cooling is needed.
•
Each pulse of the fan is running at low speed, no
matter what setting the user has chosen.
Operation
Heating
AZ4500 In the heating mode, AS4500 shall
Resistance heater output is not determined by
software. It is determined by hardware (power cord
amperage rating).
Temperature control in the heating mode is done by
cycling the resistance heater under control of the
room air thermistor, or the room thermostat (if in
Class 2 mode).
Whenever the room temperature is 1.8°F below
the temperature setting, the control will energize
the heating cycle and remain in operation until the
ON
room temperature reaches the temperature setting.
cycle.
:
Room Temp
Set-point
Room Temp
Set-point
1.8°F
Heating Mode
– 10 –
utilize the built-in resistance heater,
running with the indoor fan at one of
two speeds determined by the Fan
Speed selection.
ON
ON
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