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7 Installation
Item
Description
18
Power supply for option
box
Interconnection cable
19
Interconnection cable
between option box
and control box
Optional equipment
20
Remote indoor sensor
Field-supplied components
21
Electric meter
22
Power consumption
digital inputs
23
Alarm output
24
Space cooling/heating
ON/OFF output
25
Changeover to external
heat source
(a)
Cable section 2.5 mm².
(b)
Minimum cable section 0.75 mm².
NOTICE
▪ More
technical
connections are indicated on the inside of the units
(outdoor unit, control box, option box and backup
heater).
▪ For how to connect the electrical wiring to the outdoor
unit (and if part of the system, the control box, option
box, and backup heater), refer to
electrical wiring" on
7
Installation
7.1
Overview: Installation
This chapter describes what you have to do and know on-site to
install the system.
Typical workflow
Installation typically consists of the following stages:
▪ Mounting the outdoor unit
▪ Mounting the control box (if applicable)
▪ Mounting the option box (if applicable)
▪ Mounting the backup heater (if applicable)
▪ Connecting the water piping
▪ Connecting the electrical wiring
▪ Finishing the installation of the outdoor unit
▪ Finishing the installation of the control box (if applicable)
▪ Finishing the installation of the control box (if applicable)
▪ Finishing the installation of the backup heater (if applicable)
7.2
Opening the units
7.2.1
About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
Installer reference guide
28
Wires
Maximum
running
current
(a)
2+GND
(b)
3 (max 3 m)
(b)
2
(b)
2 (per meter)
(b)
2 (per input
signal)
(b)
2
(b)
2
(b)
2
specifications
of
the
different
"7.8 Connecting the
page 37.
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
7.2.2
To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
1
2
8×
7.2.3
To open the switch box cover of the
outdoor unit
3×
7.2.4
To open the control box
2
1
2×
1
Packaged air-cooled water chillers and packaged air to water heat
EWAQ+EWYQ004+005BAVP
pumps
4P492900-1 – 2017.06
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