Service manual

General Functionality ESIE03–01
2–8 Part 2 – Functional Description
3
1
2
4
5
Before switching
back
Before moving the switches back to normal operating mode, make sure to turn OFF the power firstly.
Starting conditions You can operate the system manually by changing the emergency switch on the indoor and outdoor
PCB from “normal” to “emergency”. However, when in emergency operation, the equipment cannot
control the temperature.
Make sure to set both indoor and outdoor unit to emergency.
Ending conditions You can end the emergency operation by changing the emergency switch back to “normal” while the
power is OFF.
Emergency
operation
The table below describes what happens when you change the emergency switch to “emergency”.
4 Switch the emergency switch on the outdoor PCB to the forced mode you prefer.
Switch 2 is not applicable for the c/o units.
5 Turn ON the power.
Step Action
ON COOL
OFF HEAT
ON
12
Changing the emergency switch to
“emergency” for the...
Switches ON...
Indoor unit
P Indoor fan
P Drain pump
Outdoor unit
P Compressor
P Outdoor fan(s)