Table of Contents
Advertisement
16
|
Disposal
16.1.3 Recovery mode — In case of 3N~ models (7-segments display)
Installer reference guide
210
Before recovering refrigerant, make sure the electronic expansion valves are open.
When power is ON, this has to be done by using the recovery mode.
Components
To activate/deactivate the recovery mode, you need the following components:
3N~
BS1
BS2
BS3
7‑segments display
BS1~BS3 Push buttons. Operate the push buttons with an insulated stick (such as a closed
ballpoint pen) to avoid touching of live parts.
To activate the recovery mode
INFORMATION
If you get confused in the middle of the process, press BS1 to return to the default
situation.
Before recovering refrigerant, activate the recovery mode as follows:
#
Action
1
Start from the default situation.
2
Select mode 2.
Press and hold BS1 for 5 seconds.
3
Select setting 9.
Press BS2 9 times.
4
Select value 2.
(a)
7-segments display
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
Advertisement
Table of Contents
