Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates - Rotex HPSU Bi-Bloc Ultra Series Installer's Reference Manual

6 Preparation
b
a Baffle plate
b Prevailing wind direction
c Air outlet
Do NOT install the unit in the following places:
▪ Sound sensitive areas (e.g. near a bedroom), so that the
operation noise will cause no trouble.
▪ In places where a mineral oil mist, spray or vapour may be
present in the atmosphere. Plastic parts may deteriorate and fall
off or cause water leakage.
It is NOT recommended to install the unit in the following places
because it may shorten the life of the unit:
▪ Where the voltage fluctuates a lot
▪ In vehicles or vessels
▪ Where acidic or alkaline vapour is present
Seaside installation. Make sure the outdoor unit is NOT directly
exposed to sea winds. This is to prevent corrosion caused by high
levels of salt in the air, which might shorten the life of the unit.
Install the outdoor unit away from direct sea winds.
Example: Behind the building.
a
If the outdoor unit is exposed to direct sea winds, install a
windbreaker.
▪ Height of windbreaker≥1.5×height of outdoor unit
▪ Mind the service space requirements when installing the
windbreaker.
a
d
c
a Sea wind
b Building
c Outdoor unit
d Windbreaker
The outdoor unit is designed for outdoor installation only, and for the
following ambient temperatures:
Installer reference guide
22
b
a
b
c
d
c
b
Cooling mode
Heating mode
6.2.2 Additional installation site requirements
of the outdoor unit in cold climates
In areas with low ambient temperatures and high humidity, or in
areas with heavy snowfall, remove the suction grille to ensure proper
operation.
Non-exhaustive list of areas: Austria, Czech Republic, Denmark,
Estonia, Finland, Germany, Hungary, Latvia, Lithuania, Norway,
Poland, Romania, Serbia, Slovakia, Sweden, ...
1 Remove the screws holding the suction grille.
2 Remove the suction grille, and dispose of it.
3 Reattach the screws to the unit.
4×
1
3
2
a Suction grille
Protect the outdoor unit against direct snowfall and take care that the
outdoor unit is NEVER snowed up.
c
a Snow cover or shed
b Pedestal
c Prevailing wind direction
d Air outlet
e EKFT008D option kit
In any case, provide at least 300 mm of free space below the unit.
Additionally, make sure the unit is positioned at least 100 mm above
the maximum expected level of snow. See
unit" [ 4 31] for more details.
outdoor
In heavy snowfall areas it is very important to select an installation
site where the snow will NOT affect the unit. If lateral snowfall is
possible, make sure that the heat exchanger coil is NOT affected by
the snow. If necessary, install a snow cover or shed and a pedestal.
10~43°C
–25~25°C
a
a
c
b
e
"7.3 Mounting the
RRGA04~08DAV3 + RHBX04+08DA
ROTEX HPSU Bi-Bloc Ultra
4P495262-1B – 2019.10