Fuel Cell Module; Checking Power Generated; Checking The Gas Consumption To Reclaim Fuel Tax; Checking Operating Condition - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Diagnosis and service checks
Gas condensing module
Display
Gas condensing boiler
3-way valve
Fuel cell 3-way valve
Circulation pump for cyl-
inder heating
System separation cir-
cuit pump

Fuel cell module

Checking power generated

Operating instructions for Vitovalor PT2

Checking the gas consumption to reclaim fuel tax

Operating instructions for Vitovalor PT2

Checking operating condition

Operating instructions for Vitovalor PT2
110
(cont.)
Explanation
Heating Diverter valve set to heating mode
Middle Diverter valve in central position (filling/draining)
DHW Diverter valve set to DHW heating
Heating Diverter valve set to heating mode
Middle Diverter valve in central position (filling/draining)
DHW Diverter valve set to DHW heating
On
Off
On
Off