Installing The Hydraulic Unit; Installation Precautions - Fujitsu Waterstage WOYG112LCTA Maintenance Document

Air to Water Heat Pump (Split integrated DHW type)
figure 14 - Minimum installation clearances
around the hydraulic unit
and distances to the combustible partitions
2
1
figure 15 - Open the front cover
- 16 -
300 mm
125 mm
1000 mm
2 .5

Installing the hydraulic unit

2 .5 .1 Installation precautions

• Choose the location of the appliance after discussion
with the client.
• The room in which the appliance operates must
comply with the prevailing regulations.
• To facilitate maintenance and to allow access to the
various components, we recommend that you provide
sufficient space all around the hydraulic unit
• According to standard
requirements and HP environment), the room
where the HP is installed shall have a volume
higher than: Unit refrigerant load in kg / 0,44kg/m
If not, it must be ensured that:
- whether the room is mechanically ventilated,
- or room door is remain opened when the installer
works on the HP.
• Be careful not to bring inflammable gas near to the
heat pump during its installation, in particular when
it requires brazing. The appliances are not fireproof
and should therefore not be installed in a potentially
explosive atmosphere.
- To avoid condensation inside the condenser, remove
the refrigerant circuit caps only when completing the
refrigerant connections
- If the refrigerant connection only occurs at the end of
the installation, be sure that the refrigerant circuit caps*
remain in place and tight throughout the installation
duration.
* (hydraulic unit side and outdoor unit side).
- After every intervention on the refrigerant circuit and
before final connection, take care to replace the plugs
in order to avoid any pollution from the refrigerant
circuit (The sealing with tape is prohibited).
Front view
figure 16 - Removing the cover
Installation and operating manual "1768 - EN"
(figure 14).
EN 378-1 (safety
3