Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 113

Further details regarding the individual steps
External functions
External blocking of the com-
pressor; mixer in control
mode or CLOSED
Central fault message
Cooling function
Cooling function parameters
"Cooling" Ó
"Cooling function 7100"
"Cooling" Ó
"Cooling circuit 7101"
Instantaneous heating water heater
Parameters for
Instantaneous heating water heater
"Electr booster heater" Ó
"Enable instantaneous heating water heater
7900"
Poss. "Electr booster heater" Ó
"Enable instant. heating water heater for cen-
tral heating 7902"
"Electr booster heater" Ó
"Output for instant. heating water heater at
power-OFF 790A"
Poss. "DHW" Ó
"Enable electric heaters for DHW heating
6015"
Commissioning, inspection, maintenance
Parameter
"System definition" Ó
"Effect of external block-
ing on heat pump/heating
circuits 7015"
"System definition" Ó
"Effect of external block-
ing on pumps/compressor
701A"
No parameters need to be
set.
Setting
■ "0" (no cooling)
■ "2" (natural cooling on cooling
■ "3" (natural cooling on cooling
■ "4" (active cooling)
■ "1" (heating circuit A1)
■ "2" (heating circuit M2)
■ "3" (heating circuit M3)
■ "4" (separate cooling circuit)
Setting
"1"
"1"
■ "1" for 3 kW
■ "2" for 6 kW
■ "3" for 9 kW
"1"
(cont.)
Setting
"0" to "8"
"0" to "31"
circuit without mixer)
circuit with mixer)
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