Viessmann BWT 241.A Series, Installation And Service Instructions Manual

Page: 65 / 124

65
Solar
Solar parameters Setting
"Solar"
Ó
"Type solar control unit 7A00"
"4"
"Solar"
Ó
"Flow rate solar circuit for calculating solar
yield 7A07"
Specify the value calculated from
the set pump rate of the solar cir-
cuit pump and the pressure drop
in the solar circuit.
Cooling function
Cooling function parameters Setting
"Cooling"
Ó
"Cooling function 7100"
■ "0" (no cooling)
■ "2" (natural cooling on cooling
circuit without mixer)
■ "3" (natural cooling on cooling
circuit with mixer)
"Cooling"
Ó
"Cooling circuit 7101"
■ "1" (heating circuit A1)
■ "2" (heating circuit M2)
■ "4" (separate cooling circuit)
Instantaneous heating water heater
Parameters for
instantaneous heating water heater Setting
"Electr booster heater"
Ó
"Enable instantaneous heating water heater
7900"
"1"
"Electr booster heater" , if applicable
Ó
"Enable instant. heating water heater for cen-
tral heating 7902"
"1"
"Electr booster heater"
Ó
"Output for instant. heating water heater at
power-OFF 790A"
■ "1" for 3 kW
■ "2" for 6 kW
■ "3" for 9 kW
"DHW" , if applicable
Ó
"Enable electric heaters for DHW heating
6015"
"1"
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5601 598 GB
Service