Installation Of Heating Medium Supply System - Altech VR Mini Manual

INSTALLATION OF HEATING MEDIUM SUPPLY SYSTEM

1. While installing the piping for the heating medium, secure the exchanger connection against twisting.
2. The piping should not overload the heater connections.
It is possible to connect the piping with flexible connections (adjustable angle of the airflow).
VR Mini, VR1, VR2, VR3
Volcano VR1, VR2, VR3
Example of a pipe system:
1. Unit heater
2. Power-operated valve
3. Vent valve
4. Cut-off valve
5. Filter
6. Circulation pump
7. Boiler
EXAMPLE OF A HYDRAULIC SYSTEM:
Note! Maximum operating pressure of the medium for water coils is 16 bar, tested pressure: 21 bar
1. UNIT HEATER; 2. POWER-OPERATED VALVE; 3. VENT VALVE; 4. CUT-OFF VALVE; 5. FILTER; 6. CIRCULATION PUMP; 7. BOILER
Oil and grease
Residual water hardness
12
Return
return
supply
Supply
7
Requirements of the quality medium for the water coils:
Parameter
pH at 25 o C
Oxygen
VR Mini
Position L [mm]
A 247
B 517
C 308
D 610
4
5
6
[Ca2+, Mg2+]/[HCO3-] > 0.5
< 0.1 mg/l (as low as possible)
VR1, VR2, VR3
2
3
1
Value
< 1 mg/l
8 to 9