Daikin SEHVX20BAW, Installation And Operation Manual

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5 Installation
Installation and operation manual
10
SERHQ020~0 SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508019-1C – 2018.04
Outdoor unit Recommended fuses
SERHQ020BAW1 32 A
SERHQ032BAW1 40 A
Indoor unit Recommended fuses
SEHVX20BAW 6 A
SEHVX32BAW 10 A
SEHVX40BAW
SEHVX64BAW
NOTICE
When using residual current operated circuit breakers, be
sure to use a high-speed type 300 mA rated residual
operating current.
5 Installation
5.1 Opening the units
5.1.1 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
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
5.1.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
To gain access to the unit, front plates need to be opened as follows:
4×
4×
Once the front plates open, the electrical component box can be
accessed. See
"5.1.4 To open the electrical component box of the
outdoor unit" on page 10 .
For service purposes, the pushbuttons on the main PCB need to be
accessed. To access these pushbuttons, the electrical component
box cover does not need to be opened. See
"6.1.3 To access the
field setting components" on page 22 .
5.1.3 To open the indoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
To gain access to the unit, front plates need to be opened as follows:
1
3
2
10×
5×
4×
Panel
1 Electrical parts of the indoor unit
2 Indoor unit (side panel)
3 Indoor unit (front panel)
Once the front plates open, the electrical component box can be
accessed. See
"5.1.5 To open the electrical component box of the
indoor unit" on page 11 .
5.1.4 To open the electrical component box of
the outdoor unit
NOTICE
Do NOT apply excessive force when opening the
electronic component box cover. Excessive force can
deform the cover, resulting in entering of water to cause
equipment failure.