Daikin SV1A25AJV1B - Opening and Closing the Unit; About Opening the Unit; To Open the Unit; To Close the Unit

13 Unit installation
Installation and operation manual
25
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P709466-1 – 2023.09
C
c
A Default flow. Only ducting on the air outlet side. (Default
configuration)
A' Default flow. Ducting on both sides.
B Reversed flow. Only ducting on the air outlet side.
B' Reversed flow. Ducting on both sides.
C No extraction ventilation installed.
1 To extraction fan or another SV unit
2 From another SV unit
a Duct (field supply)
b EKBSDCK (option kit)
c Duct closing plate (accessory)
In case you need to reverse the airflow, switch the air inlet and outlet
side. See "13.5.3To switch the air in- and outlet side"[428].
INFORMATION
Some options may require additional service space. Sees
the installation manual of the used option before
installation.
13.3 Opening and closing the unit
13.3.1 About opening the unit
Some situations in which you have to open the unit can be:
▪ 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.
13.3.2 To open the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
1
2
3× SW8
13.3.3 To close the unit
2
1
3× SW8
≤ 3.2 N·m
13.4 Mounting the unit
13.4.1 To mount the unit
INFORMATION
Optional equipment. When installing optional equipment,
also read the installation manual of the optional equipment.
Depending on the field conditions, it might be easier to
install the optional equipment first.
1 Install 4 M8 or M10 suspension bolts into the ceiling slab.
Respect the following distances:
a
b
a Suspension bolt pitch (length): 513mm
b Suspension bolt pitch (width):
630mm (SV1~4A)
1030mm (SV6~8A)
2 Install a nut, 2 washers and a double nut onto each suspension
bolt. Leave enough space for maneuvering with the unit
between the nut and double nut.
3 Position the unit by hooking the hanger brackets of the unit
around the suspension bolts, in between the 2 washers.
a
b
b
d
c
a Nut (field supply)
b Washer (field supply)
c Hanger bracket
d Double nut (field supply)
a
b
c
e
d
a Ceiling slab
b Anchor bolt
c Long nut or turnbuckle