Selecting A Location In Cold Climates; Precautions On Installation; Foundation Work; Drain Work (Only For Erhq) - Daikin Altherma ERHQ011BAV3 Installation Manual

5.2. Selecting a location in cold climates

Refer to "3.4. Model identification" on page
NOTICE
When operating the outdoor unit in a low outdoor ambient
temperature, be sure to follow the instructions described
below.
■
To prevent exposure to wind, install the outdoor unit with its
suction side facing the wall.
■
Never install the outdoor unit at a site where the suction side
may be exposed directly to wind.
■
To prevent exposure to wind, install a baffle plate on the air
discharge side of the outdoor unit.
■
In heavy snowfall areas it is very important to select an
installation site where the snow will not affect the unit and set the
outlet side at a right angle to the direction of the wind:
3
1 Construct a large canopy.
2 Construct a pedestal.
Install the unit high enough off the ground to prevent
burying in snow.
3 Strong wind
4 Discharge air
INFORMATION
If the installation of a canopy is not possible, the
optional snow cover (EK016SNC) shall be installed.
■
For ERLQ only. Follow the procedure as described in
modifying the position of the air thermistor (R1T). The thermistor
fixture is delivered in the accessory bag.
INFORMATION
Spare thermistor fixing plate is delivered in the
accessory bag.
ERHQ011~016BAV3+W1 + ERLQ011~016CAV3+W1
Outdoor unit for air to water heat pump
4PW57794-1A – 05.2011
4.
1
3
2
figure 7 for
6. P
RECAUTIONS ON INSTALLATION
NOTICE
If drain holes of the outdoor unit are
covered by a mounting base or by
floor surface, raise the unit in order
to provide a free space of more
than 150 mm under the outdoor
unit.

6.1. Foundation work

■
Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.
■
In accordance with the foundation drawing in the figure, fix the
unit securely by means of the foundation bolts. (Prepare 4 sets
of M12 foundation bolts, nuts and washers each which are field
supplied.)
■
It is best to screw in the foundation bolts until their length are
20 mm from the foundation surface.
ERHQ
A
140
47
423
614
ERLQ
A
140 620
B
35
60 182 154 159
A Discharge side
B Bottom view (mm)
C Drain hole

6.2. Drain work (only for ERHQ)

Check in the combination table under
whether drain work is allowed. In case drain work on your unit is
allowed and the installation site requires drain work, then follow the
guidelines below.
■
Drain kits for drainage are available as option.
■
If drain work from the outdoor unit causes trouble (for example, if
the drain water may splash on people) provide the drain piping
using a drain socket (optional).
■
Make sure the drain works properly.
620 140
B
C
140
C
"Possible options" on page 5
Installation manual
10