
– 34 –
Service Mode
While Zoneline is in OFF mode, press and hold
the "+" and "-" buttons simultaneously with the
AUX SET button to enter into this mode.
All LED's light up to indicate entered into service
mode.
These modes can be entered even if the Zoneline
is in class 2 mode.
Service Mode times out after 15 minutes of
inactivity.
Minimum run times are not applicable in this
mode. Compressor delay start times in service
mode shall be 10 minutes.
NOTE
: Fault codes are stored in this mode but do
not intervene with the Zoneline operation.
Press the Mode button to cycle through the run
modes.
Press +/- to toggle on/off.
AZ4500
1. "
CL
": Cooling. Compressor, Indoor Fan, and
Outdoor fan are energized. Fan speed is high.
2. "
EH
": Electric heat. Electric heater (all relays)
and Indoor Fan are energized. Fan speed is
high.
3. "
IF
": Indoor Fan only. Indoor fan is energized.
Fan speed is high.
4. "
OF
": Outdoor Fan only. Outdoor fan is
energized. Fan speed is high.
5. "
S1
": Indoor Ambient Air Thermistor -
temperature will be displayed between -9°F
and 99°F on screen after the Zoneline has
been in this mode for 10 seconds. (If no
thermistor is detected, "--" will be displayed).
6. "
S2
": Indoor Coil Thermistor - temperature
will be displayed between -9°F and 99°F on
screen after the Zoneline has been in this
mode for 10 seconds.
7. "S5"
: Indoor Outlet Air Thermistor –
temperature will be displayed between -9°F
and 99°F.
8. "
UI
": User Interface Test - Run the LED test
sequence.
9. "
So
": Software version is displayed.
AZ6500
1. "
CL
": Cooling. Compressor, Indoor Fan,
reversing valve, and Outdoor fan are
energized. Fan speed is high.
2. "
HP
": Heat Pump. Compressor, Indoor Fan,
and Outdoor fan are energized, reversing
valve is not energized. Fan speed is high.
3. "
EH
": Electric Heat. Electric heater (all relays)
and Indoor Fan are energized. Fan speed is
high.
4. "
IF
": Indoor Fan only. Indoor fan is energized.
Fan speed is high.
5. "
OF
": Outdoor Fan only. Outdoor Fan is
energized. Fan speed is high.
6. "
IC
": ICR Pump - Pump only is activated, if
equipped.
7. "
dE
": Defrost - Reverse cycle defrost (cooling
without any fans) is activated to melt ice on
outdoor coil.
8. "
S1
": Indoor Ambient Air Thermistor -
temperature will be displayed between -9°F
and 99°F on screen after the Zoneline has
been in this mode for 10 seconds. (If no
thermistor is detected, "--" will be displayed).
9. "
S2
": Indoor Coil Thermistor - temperature
will be displayed between -9°F and 99°F on
screen after the Zoneline has been in this
mode for 10 seconds.
10. "
S3
": Outdoor Air Thermistor - temperature
will be displayed between -9°F and 99°F on
screen after the Zoneline has been in this
mode for 10 seconds.
11. "
S4
": Outdoor Coil Thermistor - temperature
will be displayed between -9°F and 99°F on
screen after the Zoneline has been in this
mode for 10 seconds.
Service Mode
(
Continued next page
)