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E
Installation instructions
JRGUMAT LF thermostatic mixing valves
will operate in any position. The installation
regulations relating to the water heater
circulation as well as local standards
must be complied with. Only the non-
return valves prescribed in the diagrams
may be used.
The only stop valves permissible are low
pressure-loss valves, such as slanted seat
valves, gate valves and ball valves.
All pipes must be flushed thoroughly
before JRGUMAT LF thermostatic mixing
valves are installed. In order to prevent a
JRGUMAT LF thermostatic mixing valve
from malfunctioning due to radiated heat,
the valve should be located at least one
metre away from the heater. If a minimum
separation cannot be guaranteed, a
thermosiphon must be installed.
Return-flow prevention
When connecting JRGUMAT LF thermo-
static mixing valves, only low pressure-
loss check valves, swing check valves and
closable non-return valves may
be used.
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