Daikin FCAHG125FVEB [7/20] Installation
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Daikin FCAHG125FVEB [7/20] Installation

Daikin FCAHG125FVEB [7/20] Installation
5 Installation
Installation and operation manual
7
FCAHG71~140FVEB
Split system air conditioners
4P429472-1 – 2015.12
To connect the drain piping to the indoor unit
NOTICE
Incorrect connection of the drain hose might cause leaks,
and damage the installation space and surroundings.
1 Push the drain hose as far as possible over the drain pipe
connection.
2 Tighten the metal clamp until the screw head is less than 4mm
from the metal clamp part.
3 Check for water leaks (see "To check for water leaks" on
page7).
4 Install the insulation piece (drain pipe).
5 Wind the large sealing pad (= insulation) around the metal
clamp and drain hose, and fix it with cable ties.
6 Connect the drain piping to the drain hose.
≤4 mm
A
A'
A-A'
A
A'
f
652
ce
4
ba
d
b
a
d
c
3
1
2~61
a Drain pipe connection (attached to the unit)
b Drain hose (accessory)
c Metal clamp (accessory)
d Large sealing pad (accessory)
e Insulation piece (drain pipe) (accessory)
f Drain piping (field supply)
To check for water leaks
The procedure differs depending on whether electrical wiring is
already finished. When electrical wiring is not finished yet, you need
to temporarily connect the user interface and power supply to the
unit.
When electrical wiring is not finished yet
1 Temporarily connect electrical wiring.
▪ Remove the switch box cover (a).
▪ Connect the user interface (b).
▪ Connect the power supply (1~ 220-240 V 50/60 Hz) and
earth (c).
▪ Reattach the switch box cover (a).
b
a
c
2 Turn ON the power.
3 Start cooling operation (see "7.2 To perform a test run" on
page10).
4 Gradually put approximately 1 l of water through the air
discharge outlet, and check for leaks.
≥100 mm
e
d
c
b
a
a Plastic watering can
b Service drain outlet (with rubber plug). Use this outlet to
drain water from the drain pan.
c Drain pump location
d Drain pipe connection
e Drain pipe
5 Turn OFF the power.
6 Disconnect the electrical wiring.
▪ Remove the switch box cover.
▪ Disconnect the power supply and earth.
▪ Disconnect the user interface.
▪ Reattach the switch box cover.
When electrical wiring is finished already
1 Start cooling operation (see "7.2 To perform a test run" on
page10).
2 Gradually put approximately 1 l of water through the air
discharge outlet, and check for leaks (see "When electrical
wiring is not finished yet"on page7).
5.2 Connecting the refrigerant piping
DANGER: RISK OF BURNING
5.2.1 To connect the refrigerant piping to the
indoor unit
▪ Pipe length. Keep refrigerant piping as short as possible.

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