4
A pressure reducer (not provided) is necessary when
the mains pressure exceeds 80% of the calibration of
the safety valve or unit. It will be installed upstream of
the appliance.
4
As water may run out of the discharge pipe on the
pressure limiter device, the discharge pipe must be
kept open to the open air.
4
Connect the pressure limiter device to a drainage pipe,
kept in the open air, in a frost-free environment, on a
continuous downward slope.
1.1.3.
Electrical connections
4
Allowance must be made for a means of disconnection
in the fixed pipes in accordance with the regulations on
installations.
4
If the mains power lead is damaged it must be replaced
by the original manufacturer, the manufacturer’s dealer
or another competent person to prevent hazardous
situations.
4
This appliance must not be powered via an external
switch such as a timer or be connected to a circuit that
is regularly switched on and off by the electricity
supplier.
4
Install the appliance according to national regulations
on electrical installation.
4
Wiring diagram:
¼
See chapter Electrical principle
diagram (Installation and Service Manual).
4
Connecting the appliance to the mains electricity:
¼
See chapter Electrical connections (Installation
and Service Manual).
4
Fuse type and calibre:
¼
See chapter Electrical
connections (Installation and Service Manual).
1.1.4.
Internet Site
The user guide and the installation manual can
also be found on our internet site.
1. Safety instructions and recommendations
TWH 200E TWH 300E TWH 300EH
5
01/12/2015 - 7605313-001-07
