– 8 –
Hydro Unit
Installation Manual
■E-box layout
▼ Fig.6-02
CN21
TB03
CN22
CN23
TB04
TB01
Digital input terminals
Back up heater power
supply connection
Digital output terminals
230 VAC 50 Hz output
terminals
Second remote
controller terminal
connection
Hydro unit power
supply connection
7 Hydro Unit
installation
• To protect yourself from injury, always use PPE
(Personal Protective Equipment), that is, wear gloves.
• Install the Hydro Unit by at least four persons.
• Install the Hydro Unit in a place strong enough to
withstand the following weights:
The dry weight of the Hydro Units displayed on the
product nameplate. When the Hydro Unit, is filled with
water the weight of the unit will increase by 210 kg.
• Do not install the unit in a place where water freezes.
• Do not install the Hydro Unit in a place where
combustible gas may leak.
• Do not install the Hydro Unit in a place exposed to rain
or water.
• Do not install the Hydro Unit near equipment which
generates heat.
• Do not install the Hydro Unit to a movable object.
• Do not install the Hydro Unit in a place exposed to
vibration.
• The unit must be installed in accordance with national
wiring regulation.
• The Hydro Unit must not be installed in a high humidity
condition area.
• Must be installed accordance with national plumbing
regulation.
■Handling, unpacking, and
checking the Hydro Unit
• The unit should be checked when it is delivered, and
any damage reported immediately to the courier
claims department.
■Positioning
Service space
Secure a service space for the Hydro Unit.
• Do not install the Hydro Unit in a place where heat
stagnates.
▼ Fig.7-01
Front view
200 mm
20-30 mm
800 mm
Top view
15-EN 16-EN
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