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Danfoss District Energy
VI.GP.B1.02
DKDHR
Instructions
Kompakt H 28/35/42
7.5 Mounting
7.6 Variable connection possibilities
The substation offers variable connection possibilities, as connec-
tion of pipes can be established in the top or in the bottom of the
substation. Upon delivery the substation is prepared for connec-
tion in bottom of the substation.
For change of connection from bottom to top, demount plugs on
connection pipes in top of substation and ball valves on connec-
tion pipes in bottom of substation, and mount plugs in connection
pipes in bottom of substation and ball valves on connection pipes
in top of substation.
Please note that the air screw, which originally is mounted on the
heating supply pipe in top of substation must be relocated to the
highest point of the substation.
PLEASE NOTE that the variable connection possibilities makes it
possible to establish some of the connections in the top and
others in the bottom of the substation. This may be desirable in
some cases.
7.7 Tightening of connections
Check and tighten all connections before adding water to the
system, as vibrations during transport may have caused leaks.
After having added water to the system, tighten all the connec-
tions before performing leak test. If the substation operates in ac-
cordance with the dimensioning basis, re-tighten the connections
and take the substation into continuous use.
Please note that the connections may be supplied with EPDM rub-
ber gaskets - in general connection sizes from ¾” to and incl. 1½”
for Kompakt H stations. Therefore take care not to overstrain the
union nuts, as this may result in leaks. The manufacturer accepts
no liability for leaks that result from overstrain of union nuts.
7.8 Connection of expansion vessel
The expansion vessel is not part of the delivery.
Connect expansion vessel to substation either in the top or in the
bottom of substation, - contrary to pipes connection, which can be
established both in the top or in the bottom of the substation.
Necessary assembly, start-up and maintenance work must be per-
formed by qualified and authorized personnel only, and always in
compliance with local regulations and this instruction manual.
The substation must be easily accessible, enabling maintenance
work without undue discomfort.
The substation is intended for wall mounting and the mounting
sheet on the back of the substation has got holes for screw instal-
lation.
Fix the substation to a solid wall, which has the necessary load-
bearing capacity, in a workmanlike manner with two strong bolts,
screws or expansion plugs.
All pipes and connections must be cleaned and rinsed before
start-up. After that the strainers should be cleaned.
A symbol for each of the different connections is placed on the
substation. Connect the substation to the household system
according to these symbols as well as the instructions in this
manual.
