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7651255 - v.01 - 23052016
HFS 650 / HSF 700
4 Installation
Operation:
Flushing connection set HFS 600-750 for flushing the corrugated stainless
steel coil to remove deposits of boiler scale
Flushing provisions on the HFS:
The flushing provisions on the HFS must, in accordance with regulations,
consist of the following parts:
2 T-fittings, 2 shut-off valves
Installation:
in the cold water line before the inlet on the HFS boiler and
on the hot water outlet.
The extra valves makes it possible to shut off the cold and hot water lines,
empty and inspect the corrugated stainless steel coil in the HFS boiler
and flush it with a suitable flushing agent if necessary.
After completion of these tasks, the cold water valve must be opened first
and the corrugated stainless steel coil must be flushed with clean water.
Only after flushing may the hot water line be opened again.
a) Cold water line
b) Hot water line
c) Recirculation line
d) Flush valve cold
e) Flush valve hot
s) combination inlet group
See ISSO publication
55.1 section 4.2.3
Thermal management
concept
Hot water outlet
Cold water supply
Flush connection supply
max. 65 °C
kW
Summary of Contents for HFS 600
Page 1: ...HFS 600 750 Installation and service manual Powerful domestic water boiler Great Britain en...
Page 15: ...15 7651255 v 01 23052016 HFS 650 HSF 700 4 Installation Fit a manual bleed valve...
Page 29: ...29 7651255 v 01 23052016 HFS 650 HSF 700 7 Maintenance report...
Page 30: ...7651255 v 01 23052016 30 HFS 650 HSF 700 7 Maintenance report...
