Connecting The Refrigerant Piping; About Connecting The Refrigerant Piping - Daikin FCAHG71HVEB Installer And User Reference Manual

6 | Installation

6.3 Connecting the refrigerant piping

6.3.1 About connecting the refrigerant piping

Installer and user reference guide
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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
2 Gradually pour approximately 1 l of water through the air discharge outlet,
and check for leaks (see
Before connecting the refrigerant piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the refrigerant piping involves:
▪ Connecting the refrigerant piping to the indoor unit
▪ Connecting the refrigerant piping to the outdoor unit
▪ Insulating the refrigerant piping
▪ Keeping in mind the guidelines for:
- Pipe bending
- Flaring pipe ends
- Using the stop valves
e
d
c
b
a
"8.4 To perform a test
"When electrical wiring is not finished
4
run" [ 47]).
4
yet" [ 33]).
FCAHG71~140HVEB
Split system air conditioners
4P561449-1B – 2021.07