Hitachi YUTAKI S80 Series - Page 33

ENGLISH
6.1.2 Selection of the installation location
The indoor unit of the split system with air to water heat pump
must be installed following these basic requirements:
• The indoor unit is intended to be installed in an indoor place
and for ambient temperatures ranging 5~30°C. The ambient
temperature around the indoor unit must be >5°C to prevent
water from freezing.
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non-combustible surface, strong enough for supporting the
indoor weight and also the DHW tank’s weight completely
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integrated over the indoor unit).
• Be sure to maintain the recommended servicing space for
future unit servicing and guarantee enough air circulation
around the unit (See
“3.2 Service space” section).
• Take into account that two shut-off valves (factory supplied)
must be installed at the indoor unit inlet/outlet connections.
• Take into account the space needed to install a necessary
pressure and temperature relief valve, which must be
installed at the DHW inlet connection of the tank (as close as
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also installed at the DHW outlet connection (See
“4.3.2 Additional hydraulic necessary elements for DHW”).
• Keep water draining provisions. The safety valve and the air
purge are provided with a drain pipe which are located at the
bottom side of the unit.
• Protect the indoor unit against the entry of small animals (like
rats) which could making contact with the wires, the drain
pipe, electrical parts and may damage unprotected parts,
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• Install it in a no-frost environment.
• Do not install the indoor unit in a location with very high
humidity.
• Do not install the indoor unit where electromagnetic waves
are directly radiated to the electrical box.
• Install the unit in a place where in case of water leakage, any
damage to the installation space cannot be produced.
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(Without tank) or Indoor unit with a remote tank (Non
HITACHI)), it is necessary a LCD controller installation place.
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noises.
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• The air to water heat pump must be installed by a service
technician. The installation must comply with local and
European regulations.
• Try to avoid to put any objects or tools above the indoor unit.
6.1.3 Unpacking
All units are supplied with a wooden base, packed by a
cardboard box and plastic bag.
Firstly to unpack it, place the unit on the assembly area as close
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transport. Two persons are required.
1 Cut the strapping bands and
remove the adhesive tapes.
2 Remove the carton assembly
and then the plastic bag around
the unit.
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the unit to the wooden base.
4 Remove the indoor unit from
the wooden base and place it
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Wooden
base
Carton
assembly
Strapping
bands
 C A U T I O N
• There are four adjustable mounting foot on the bottom of the unit.
Each one can be adjusted up to 30 mm, but keep the mounting foot
in the factory supplied position until the unit has been installed in its
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• Be careful with the Installation and Operation manual and with the
accessories factory-supplied with the unit.
• Two people are required when lifting because of the weight of the unit.
6.1.4 Factory-supplied indoor unit components
Accessory Image Qty. Purpose
Shut-off valve
(1-1/4”)
2
To make easier the installation
work in the space heating
water inlet/outlet connections.
For a better servicing.
Gasket
4
Two gaskets for each space
heating connections
(inlet/outlet)
CD-ROM
1
With the detailed Installation
and operation manual
Instruction
manual
1
Basic instructions for the
installation of the device.
Declaration of
conformity
- 1 -
 N O T E
• The previous accessories are supplied inside the packing assembly
(in the accessory box).
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unit needs to be available.
• If some of these accessories are not packed with the unit or any
damage to the unit is detected, please contact your dealer.
6.1.5 Indoor unit main parts (Descriptions)
Nº Part
1
2
6
3
5
4
1 Indoor unit front cover
2 Indoor unit upper cover
3 Indoor unit left cover
4 Indoor unit right cover
5 Indoor unit back cover
6
Piping connections
(At the back side in TYPE 2)
UNIT INSTALLATION
PMML0340B rev.1 - 03/201623