VOLCANO
VR Mini
VOLCANO
VR Mini 3
VOLCANO
VR1
VOLCANO
VR2
VOLCANO
VR3
VOLCANO
VR4
VOLCANO
VR-D Mini
VOLCANO
VR-D
32
4.3 INSTALLATION INSTRUCTIONS AND MOUNTING DISTANCES
Installation of the heating medium supply system
While installing the piping for the heating medium, secure the exchanger connection against twisting
1
. The piping should not overload the
heater connections.
It is possible to connect the piping with flexible connections (adjustable angle of the airflow).
V
O
L
C
A
N
O
V
R
M
I
N
I
,
V
R
M
i
V
R
Marks
L [mm]
A
247
B
517
C
308
D
610
NOTE!
In case of VOLCANO VR Mini 3 and VOLCANO VR4 heaters we recommend to connect the power supply to the upper
connector in order to additionally improve the heat exchanger efficiency
EXAMPLE OF A HYDRAULIC SYSTEM:
1.
UNIT HEATER;
2.
POWER-OPERATED VALVE;
3.
VENT VALVE;
4.
CUT-OFF VALVE;
5.
FILTER;
6.
CIRCULATION PUMP;
7.
BOILER
Note!
Maximum operating pressure of the medium for water coils is 16 bar, tested pressure: 21 bar
Requirements of the quality medium for the water coils:
Parameter
Value
Oil and grease
< 1 mg/l
pH at 25
o
C
8 to 9
Residual water hardness
[Ca2+, Mg2+]/[HCO3-] > 0.5
Oxygen
< 0.1 mg/l (as low as possible)
EN
Sup
py
Retu
rn
Summary of Contents for VOLCANO VR Mini
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