Mitsubishi Heavy Industries FDCW100VNX-A, Technical Manual

Page: 78 / 315

Installation
'19 • HM-T-340
Indoor unit installation
Transport and storage
Indoor unit and tank unit must be transported and stored
vertically in dry conditions.
Supplied components
HSB series Indoor unit
Particle filter R25 (HQ1). Brackets kit
HMA-S series Indoor unit with tank
Safety valve (3bar) Temperature sensor (2 items)
with pressure gauge and automatic
air vent (1 piece)
*The opening pressure of the safety
valve is 3bar.
LEK
LEK
LEK
Current sensor
RC-HY20/40 Control unit
Room sensor (RC-HY40 only) Outside sensor
LEK
Temperature sensor Insulation tape
LEK
Cable ties Aluminium tape
LEK
LEK
LEK
Current sensor (RC-HY40 only) Heating pipe paste
Assembly
■ It is recommended that indoor unit is installed in a room
with existing fl oor drainage, most suitably in a utility room
or boiler room.
■ For indoor unit and control unit, the mounting surface must
be fi rm, fl at and vertical, preferably a concrete wall.
■ Indoor unit with tank and tank unit must be set on a solid
waterproof base that would keep the weight of the unit. The
height-adjusting legs allow for levelling and stable setting.
HMA series
20-40 mm
Wrench size 13
PT series
0-15 mm
■ For indoor unit with tank, fl oor drain port is required to
connect drain hose in case cooling function is used.
■ Install indoor unit with its back to an outside wall, ideally
in a room where noise does not matter. If this is not
possible, avoid placing it against a wall behind a bedroom
or other room where noise may be a problem.
■ Route pipes so they are not fi xed to an internal wall that
backs on to a bedroom or living room.
■ Install indoor unit with tank, tank unit and its pipings to
indoor unit indoors in order to avoid icing.
■ Ensure free space described in the following fi gures for
future maintenance.
• Strap for single-phase connection.
• Particle fi lter R25 (HQ1)
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