Pump Down Operation; Connecting The Humidifying Hose - Daikin R410A Installation Manual

Pump Down Operation

In order to protect the environment, be sure to pump down when relocating or disposing of the unit.
1) Remove the valve cap from liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After five to ten minutes, close the liquid stop valve with a hexagonal wrench.
4) After two to three minutes, close the gas stop valve and stop forced cooling
operation.
How to force cooling operation mode
■ Using the indoor unit operation/stop button
Press the indoor unit operation/stop button for at least five seconds.
(Operation will start.)
• Forced cooling operation will stop automatically after around 15 minutes.
To force a test run to stop, press the indoor unit operation/stop button.
CAUTION
After closing the liquid stop valve, close the gas stop valve within three minutes, then stop the forced operation.

Connecting the Humidifying Hose

1.
Connecting the humidifying hose.
1) Connect the humidifying hose to the outdoor humidifying duct.
C
2) Apply a binding band to prevent the
F
Outdoor
humidifying duct
C Humidifying
hose
Binding part of binding band
C Humidifying
hose
F Binding band
2.
Connecting the cut humidifying hoses.
• When installing the cut
Insert each C humidifying
hose to the rim of the
D
so that there are no gaps.
D Joint
• Use not more than 1 elbow to ensure humidifying capacity.
■English
humidifying hose from coming off.
C
Attach the
hose, making sure there
is no gap.
Apply the
at 10mm from the top of
the C
to prevent the hose from
coming off.
Turn the binding part of the
the outdoor unit side.
(It is easier to attach the stop valve cover.)
humidifying hoses, follow the instructions below.
C
Apply the F binding
joint
band at 10mm from the
rim of the D joint to
prevent the humidifying
C
hose from coming off.
C humidifying
F binding band
Section A
humidifying hose
If this barrier exists in the back of
the stop valve cover, cut sections A
and B and bend the barrier upward.
F binding band to
Apply the F binding band
at 10mm from the rim of the
E elbow to prevent the
humidifying hose from
C
coming off.
Gas stop valve
Close
Liquid stop valve
Section B
Stop valve cover
E Elbow
Insert each C humidifying
hose to the rim of the elbow
E
so that there are no gaps.
Hexagonal
wrench
Valve cap
8