Nibe VPB 500 Gebruikers- En Installatiehandleiding pagina 21
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Zie ook voor VPB 500:
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- Installatiehandleiding (29 pagina's) ,
- Gebruikers- en installatiehandleiding (16 pagina's)
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INSTALLATION
VPB 500, VPB 750, VPB 1000 can be equipped with
immersion heater, the connection dimension is G50.
During installation, ensure that there is enough room in
front of the connection area to remove the immersion
heater, see table on page 22.
Fit the enclosed cover discs before pipe installation. The
cover discs, with self-adhesive backs, must be installed
on the relevant connection, by pushing them over the
connections.
All connections (including connections or holes left by
the lifting eyes that are not used) must be insulated to
minimise energy losses.
PIPE INSTALLATION
Pipe installation must be carried out in accordance with
current norms and directives.
The water heater must be fitted with the requisite
valves, such as a safety valve, shut-off valve, non-return
valve and vacuum valve (-Cu).
The water heater must be provided with a mixer valve,
which limits the temperature of outgoing hot water to
60 °C. If this valve is not fitted, some other measure
must be taken to prevent the risk of scalding.
Internal support bushes must be fitted when a plastic
or annealed copper pipe is used. An overflow pipe must
be routed from the safety valve to a suitable drain. The
overflow pipe must be the same size as the safety valve.
Route the overflow pipe from the safety valve, sloping
along its entire length and ensure that it is frost proof.
The mouth of the overflow pipe must be visible and not
placed close to electrical components.
Ensure that incoming water is clean. When using a
private well, it may be necessary to supplement with
an extra water filter.
If uncertain, contact a plumber alternatively see applic-
able standards.
The enclosed drain valve with corresponding plug is in-
stalled as follows:
Remove the compression ring and compression ring
1.
nut from the drain valve.
2.
Install the valve using the existing compression ring
and compression ring nut on the draining pipe.
Replace the compression ring with a plug on the
3.
open part of the drain valve.
The coils in VPB 1000 must be connected in parallel (see
image). The venting nipple, with corresponding T-pipe
connector, must be installed at the highest point on the
upper coil.
VPB 500, VPB 750, VPB 1000 | GB
Caution
Fit the cover discs before the pipe installation
is made.
FILLING
Fill the water heater as follows:
Open a hot water tap in the system.
1.
Open the shut-off valve on the incoming cold water.
2.
This valve should then be fully open during opera-
tion.
3.
The hot water tap can only be shut off when the
water heater is filled, which is when only water
comes out of the tap (initially an air-water mixture
comes out of the tap).
PRESSURE DROP DIAGRAM
PRIMARY SIDE (COIL)
Pressure drop
Tryckfall
(kPa)
(kPa)
40
35
VPB 500
30
25
20
15
10
5
0
0
0,1
0,2
0,3
0,4
0,5
VPB 1000
VPB 750
0,6
0,7
0,8
0,9
1,0
1,1
Flöde
Flow
(l/s)
(l/s)
21
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