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Installation
3.7.1 Water connection
The machine is supplied as standard without stopcocks for the water supply.
Stopcocks must be installed on incoming pipes.
It is important that the water supply has sufficient pressure to ensure the correct
flow of water to the machine. Water pressure: 300-600 kPa.
The hot water connection is fitted with a filter. The cold water connection has a
filter, non-return valve, safety valve and vacuum valve.
The cold water connection can be fitted with a break tank (option), which is avail-
able as extra equipment. In this case the connection has a filter and non-return
valve.
When installing a connection from the ceiling, the pipes must be fed from above
down through the cable duct behind the cover plate (A) next to the electrical cab-
inet. Remove the cover plate and break away the perforated plate on top of the
cover plate.
Connection from ceiling
A=Cover plate
3.7.2 Steam connection (option)
A steam connection is only provided on steam-heated machines. The connection
is fitted with a filter. The machines are supplied as standard without shut-off valve
for steam. A shut-off valve must be installed on the incoming pipe. When connect-
ing a pipe from the ceiling, it is taken into the same area as the water pipes behind
the cover plate next to the electrical cabinet.
3.7.3 Condensation water connection (option)
A condensation water connection is only provided on steam-heated machines.
The pipe is connected to the system's steam boiler.
WD-B 500 - WD-B 900
A
16
Rev. 4.0 (201208)
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