3 | Specific installer safety instructions
Installer and user reference guide
13
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
3 Specific installer safety instructions
Always observe the following safety instructions and regulations.
Unit installation (see
"14Unit installation"[
4
63]
)
WARNING
The fixing method of the unit MUST be in accordance with the instructions from this
manual. See "14.4Mounting the unit"[468].
WARNING
Follow the service space dimensions in this manual to install the unit correctly. See
"14.1.1Installation site requirements of the unit"[463].
WARNING
In case the safety measures require a ventilated enclosure, respect the following:
▪ Auxiliary devices which may be a potential ignition source shall not be installed in
the ductwork (example: hot surfaces with a temperature exceeding 700°C and
electric switching devices).
▪ Only auxiliary devices (example: extraction fan) approved by the manufacturer
are used in the ductwork.
WARNING
If the ventilated enclosure safety measure is applied, the SV unit must have its own
ductwork and extraction fan. Do NOT combine this ductwork with ducting for other
purposes.
WARNING
Do NOT install operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in the ductwork.
WARNING
The appliance shall be stored as follows:
▪ in such a way as to prevent mechanical damage.
▪ in a well-ventilated room without continuously operating ignition sources
(example: open flames, an operating gas appliance or an operating electric
heater).
▪ in a room with dimensions as specified in "13 Special requirements for R32
units"[444].
WARNING
Safety shut-off valves shall only be replaced with valves specified by the appliance
manufacturer.
CAUTION
Appliance NOT accessible to the general public. Install it in a secured area, protected
from easy access.
This unit is suitable for installation in a commercial, light industrial, household and
residential environment.
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