Ferroli AQUA PLUS 90 HT, Руководство по установке и обслуживанию, Страница: 29 / 80

Installation and maintenance manual
pag. 9 / 19
5.5
Water supply conncection
Connect the cold water inlet and the outlet pipes
to the appropriate connection points (Fig. 7)
The table below shows the dimensions of the
junctions in inches.
Pos. Description
1 Water inlet ½”G
2 Water outlet ½”G
3 Condensate drain (Accessory
available for pipe Ø = 16mm)
½”G
PLEASE NOTE!: It is advisable for the
system installer to install a 7-bar safety
valve (light series, supplied with the
equipment) on the cold water intake
pipe.
Fig. 7– Water supply connection
Fig. 8- 7-bar safety valve for water heater
(supplied)
N.B.: The safety equipment for
protection against over pressure must
be operated regularly in order to
remove limescale deposits and to
check that it is not blocked (Fig. 8)
N.B.: The drain pipe connected to the
equipment for protection against
overpressure must be installed sloping
continuously downwards and in a
place where it is protected against the
formation of ice (Fig. 8)
N.B.: connect a rubber pipe to the
condensate drain being careful not to
force too much and breaking the
drain pipe itself.
1 = shut-off valve
2 = check valve
3 = safety valve - supplied
4 = condensate drain (supplied accessory)
5= Automatic thermostat mixing equipment
Fig. 9 – Example of water supply system
Heat pump
2 – Water outlet 1 – Water inlet
3 – Condensate drain
OUT IN
Lift the lever
periodically to
make the valve
work
Discharge pipe of
the safety valve
that has to be
connected to the
condensate drain