Brine Installation; Connection Diagram - Danfoss DHP-AL Installation And Service Instructions Manual

7

Brine installation

7.1

Connection diagram

Pipe connections in image:
1 Brine out, during defrosting
3 Brine in
6 Brine out, normal operation
7 Brine in, during defrosting
10 Brine out, during defrosting
14 Brine expansion line when outdoor
unit is positioned at high level
Moved supply pipe sensor for the
brine system
Bleed valve
Safety valve 1.5 bar
Alternative 1
Location of the brine circuit's bleed
and expansion tank when the out-
door unit is located at the same level
or lower than the heat pump.
Shut-off valve
Brine circuit
Filler cock
If the outdoor unit is installed at the same
level or lower than the heat pump, the
accompanying plastic vessel can be used.
The upper part of the outdoor unit must
then not exceed the fluid level in the
vessel.
Position Name
1 Return pipe, brine
2 Supply pipe, brine
3 Shut-off valve (part of the filler cock)
4 Shut-off valve (part of the filler cock)
5 Shut-off valve (part of the filler cock)
6 Strainer (part of the filler cock)
7 Shut-off valve (part of the filler cock)
16
6
5
4
Heat pump
3
2
1
Figure 33: Principle solution for pipe installation.
Figure 34: Connection diagram for brine pipes.
VMBME102
14
10
11 12
9
Water heater
8
7
Brine flow during
defrosting
Heat pump Water heater
8 Safety valve (1.5 bar)
9 Bleed and expansion tank
10 Shut-off valve
11 Pressure tank
12 Outdoor unit
13 Flexible hoses (not included)
14 Bleed valve (not included)
Safety valve 1.5 bar
Alternative 2
Location of the brine
expansion tank when the
13
outdoor unit is higher
than the heat pump.
If the outdoor unit is installed
higher than the heat pump
the expansion outlet must be
used together with a pres-
sure tank.