Piping And Installation Of Safety Devices - Viessmann Vitoflex 300-RF Technical Data Manual

Vitoflex 300-RF Technical Data

Piping and Installation of Safety Devices

Safety heat exchanger top view
Legend
A Additional heat source
B Thermal storage tank as low loss header (option A)
(3 sensors, optionally 5 sensors)
C Distributor, heat consumer
D Thermal storage tank #1
E Thermal storage tank #2
F Two thermal storage tanks as low loss header (option
B) (3 sensors, optionally 5 sensors)
G Additional heat source controlled with a directional
control valve for oil/gas boiler
PRV
Drain
inspection
port
2 heat exchanger
loops for
Vitoflex 300-RF 400/540
System fill
3-way mixing valve
System return line
Blocked
port
Valve adjustment must
be facing forward
Boiler return line
, and indicates system connections
1 2 3
Mechanical
System fill
Bypass line
25