Wilo Wilo-HiMulti 3 H Series, Installation And Operating Instructions Manual

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Set switch-off pressure (routine 1)
S witch-o ff p ressure
does not match the
system p arameters
Check whether the switch-o ff p ressure dis p layed on the
p ressure g au g e matches the calculated v alue
Set gas supply pressure (routine 2)
D omestic water system
switches on or o ff less than
once a minute
Mount the p ressure switch co v er
Establish electrical p ower su pp ly and check the
settin g s usin g the v alues dis p layed on the
p ressure g au g e
Diagram: Setting the pressure switch
D omestic water system switches o ff within a short time D omestic water system does not switch o ff
Set switch-off pressure
(routine 1)
S witch-o ff p ressure
does not match the
system p arameters
Establish electrical p ower su pp ly and check the
settin g s usin g the v alues dis p layed on the
p ressure g au g e
Gas su pp ly p ressure o f the dia p hra g m v essel matches the
system p arameters
Check the g as su pp ly p ressure o f the dia p hra g m v essel (see T able 1: a pp rox. p I - 0.2..0.5 bar or p I - 10 % )
Gas su pp ly p ressure o f the dia p hra g m v essel does not
match the system p arameters
Close shut-o ff de v ice on the p ressure
side
Establish electrical p ower su pp ly
Establish electrical p ower su pp ly
Increase difference
between switch-on
pressure and switch-off
pressure (routine 3)
D omestic water system
switches on or o ff more
o f ten than once a minute
Com p letely o p en the user p oint with the smallest extraction amount
S witch-o ff p ressure matches the system p arameters
English
28 WILO SE 01/2016