Electrical Installation - Toshiba Estia HWS-803XWHM3-E Manuel D'installation

Hydro Unit
Water charging
Charge water until the pressure gauge shows 0.2 MPa
(2 bar).
Hydraulic pressure may drop when the trial run begins.
In that case, add water.
Air may enter if the charged hydraulic pressure is low.
Loosen the purge valve cap by two turns to release air.
▼ Fig. 7-18
Loosen the air vent screw of the pump, pull out air in
the pump, and tighten again.
Loosen the cap of the pressure relief valve to release
air.
Water may come out of the pressure relief valve.
Release the air completely from the water circuit.
Failure to do so may disable correct operation.
Water quality
The water used must satisfy EN directive 98/83 EC.
Piping insulation
It is recommended that insulation treatment be applied
to all pipes. To perform optional cooling operation,
apply insulation treatment of 20 t or more to all pipes.
17-EN
• Ensure electrical circuits are isolated before
• The electrical installation must be completed by a
• The electrical installation must comply to all Local,
Loosen 2
turns for
• This product must be earthed in accordance with
proper
venting
• The Hydro Unit must be connected to a dedicated
• The electrical supply must be protected by a suitably
• The Hydro Unit must be connected to the mains power
• The cord clamps, attached to the Hydro Unit, must be
• Wrong connection of electrical cables may result in
• Ensure the electrical cables are sized in accordance
– 18 –

Electrical Installation

WARNING
commencing the electrical installation.
qualified electrician.
National and International electrical installation
regulations.
Local, National and International electrical installation
regulations.
CAUTION
power supply for the back up heater circuit.
sized over current protection device (fuse, MCB etc)
and an earth leakage protection device.
supply using a isolating switch which disconnects all
poles and has a contact separation of at least 3 mm.
used to secure the electrical cables.
electrical component failure or fire.
with the installation instructions.
Installation Manual