Download Installer manual

Brine side
Collector
Type
Surface soil heat,
recommended collector length (m)
Rock heat, recommended active
drilling depth (m)
5 kW
6 kW
8 kW
10 kW
12 kW
200-300
250-400
325-2x250
400-2x300
2x250-2x350
70-90
90-110
120-145
150-180
180-210
Applies to PEM hose 40x2.4 PN 6.3.
25-50
650*
650*
1775
70
Dimensions and pipe connections
560
440
Caution
The length of the collector hose varies depending
on the rock/soil conditions, climate zone and on
the climate system (radiators or underfloor heating).
600
525
470
390
210
130
Max length per coil for the collector should not exceed 400
m.
50
25
In those cases where it is necessary to have several collectors,
these should be connected in parallel with the possibility for
adjusting the flow of the relevant coil.
620
;/
;/
These are rough example values. At installation the correct
calculations must be made according to local conditions.
;/
For surface soil heat, the hose should be buried at a depth
determined by local conditions and the distance between
the hoses should be at least 1 metre.
;/
;/
For several bore holes, the distance between the holes must
be determined according to local conditions.
;/
Ensure the collector hose rises constantly towards the heat
pump to avoid air pockets. If this is not possible, airvents
should be used.
As the temperature of brine system can fall below 0 °C it
must be protected against freezing down to -15 °C. 1 litre
of ready mixed brine per meter of collector hose (applies
when using PEM-hose 40x 2.4 PN 6.3) is used as a guide
value when making the volume calculation.
Pipe dimensions
Connection
5-10
kW
(XL6)/(XL7) Brine in/out ext Ø
(mm)
(XL1)/(XL2) Heating medium
flow/return ext Ø
(mm)
(XL3)/(XL4) Cold/hot water Ø
(mm)
12
kW
It is possible to angle the brine connections, for connection
to the side instead of top connection.
28
22
28
22
Side connection
To angle out a connection:
1. Disconnect the pipe at the top connection.
2. Angle the pipe in the desired direction.
3. If necessary, cut the pipe to the desired length.
Connecting the brine side
႑ Insulate all indoor brine pipes against condensation.
႑ The level vessel must be installed as the highest point in
the brine system on the incoming pipe before the brine
pump (Alt. 1).
* Can be angled for side connection.
14
Chapter 4 | Pipe connections
NIBE™ F1245