To Start And Stop Forced Cooling - Daikin Altherma ERLQ004-006-008CA Reference Manual

13 Disposal
Pump down operation will extract all refrigerant from the system into
the outdoor unit.
1 Remove the valve lid from liquid stop valve and gas stop valve.
2 Carry out the forced cooling operation.
3 After 5 to 10 minutes (after only 1 or 2 minutes in case of very
low ambient temperatures (<−10°C)), close the liquid stop valve
with a hexagonal wrench.
4 Check with the manifold if the vacuum is reached.
5 After 2-3 minutes, close the gas stop valve and stop forced
cooling operation.
b
c
a
d
e
d
a Gas stop valve
b Closing direction
c Hexagonal wrench
d Valve lid
e Liquid stop valve
13.3

To start and stop forced cooling

Confirm that DIP switch SW2 is in COOL mode.
1 Press the forced cooling operation switch SW1 to begin forced
cooling.
2 Press the forced cooling operation switch SW1 to stop forced
cooling.
H C
E O
A O SW1
T L
SW2
NOTICE
Take care that while running forced cooling operation, the
water temperature remains
temperature read out of the indoor unit). You can achieve
this, for example, by activating all fans of the fan coil units.
Installer reference guide
70
higher than 5°C (see
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02