Viessmann Vitocal 350-A AWHI 351.A14, Installation And Service Instructions Manual

Page: 77 / 140

77
External functions
External function Parameter Setting
External demand If applicable "Internal hydraulics"
Ó
"Flow temperature for external de-
mand 730C"
Set flow temperature for ex-
ternal demand
External starting of the compressor;
mixer in control mode or OPEN "System definition"
Ó
"Effect of external demand on heat
pump/heating circuits 7014"
"0" to "7"
(Observe parameter "Flow
temperature for external de-
mand 730C"
)
External changeover of the operating
mode of various system components "System definition"
Ó
"System components for external
changeover 7011"
"0" to "10"
"System definition"
Ó
"Operating status for external
changeover 7012"
"0" to "3"
"System definition"
Ó
"Duration of external changeover
7013"
"0" to "12"
External blocking of compressor and
pumps "System definition"
Ó
"Effect of external blocking on
pumps/compressor 701A"
"0" to "31"
External blocking of the compressor;
mixer in control mode or CLOSED "System definition"
Ó
"Effect of ext. blocking on heat
pump/heating circuits 7015"
"0" to "8"
"System definition"
Ó
"Effect of external blocking on
pumps/compressor 701A"
"0" to "31"
Central fault message No parameters need to be set.
Parameters for instantaneous heating water heater
Parameter Setting
"Electr booster heater"
Ó
"Enable instantaneous heating water heater 7900" "1"
"Output for instant. heating water heater at power-OFF 790A" "1" 3 kW
"2" 6 kW
"3" 9 kW
Enable instantaneous heating water heater for DHW heating
Parameter
Setting
"DHW"
Ó
"Enable electric heaters for DHW heating 6015" "1"
Parameters for external heat generators
Parameter Setting
"External heat source"
Ó
"Enable external heat source 7B00" "1"
Commissioning, inspection, maintenance
Commissioning the system
(cont.)
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