Connecting The Electrical Wiring; About Connecting The Electrical Wiring; Precautions When Connecting The Electrical Wiring - Daikin FCAHG71HVEB Installer And User Reference Manual

6 | Installation

6.4 Connecting the electrical wiring

6.4.1 About connecting the electrical wiring

6.4.2 Precautions when connecting the electrical wiring

Installer and user reference guide
38
a Insulation material (field supply)
b Tie wrap (accessory)
c Insulation pieces: Large (gas pipe), small (liquid pipe) (accessories)
d Flare nut (attached to the unit)
e Refrigerant pipe connection (attached to the unit)
f Unit
g Sealing pads: Medium 1 (gas pipe), medium 2 (liquid pipe) (accessories)
1 Turn up the seams of the insulation pieces.
2 Attach to the base of the unit.
3 Tighten the tie wraps on the insulation pieces.
4 Wrap the sealing pad from the base of the unit to the top of the flare nut.
NOTICE
Make sure to insulate all refrigerant piping. Any exposed piping might cause
condensation.
Typical workflow
Connecting the electrical wiring typically consists of the following stages:
1 Making sure the power supply system complies with the electrical
specifications of the units.
2 Connecting the electrical wiring to the outdoor unit.
3 Connecting the electrical wiring to the indoor unit.
4 Connecting the main power supply.
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
General safety precautions
▪
Preparation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
WARNING
Use an all-pole disconnection type breaker with at least 3 mm between the contact
point gaps that provide full disconnection under overvoltage category III.
WARNING
If the supply cord is damaged, it MUST be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid a hazard.
FCAHG71~140HVEB
Split system air conditioners
4P561449-1B – 2021.07