Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 48

Commissioning, inspection, maintenance
Commissioning the system
Parameters for external functions
Parameter
External demand
If applicable "Internal hydraulics"
"Flow temperature for external demand 730C"
External starting of the compressor; mixer in control mode or OPEN
"System definition"
Ó
"Effect of external demand on heat pump/heating circuits
7014"
External changeover of the operating status of various system components
"System definition"
Ó
"System components for external changeover 7011"
"Operating status for external changeover 7012"
"Duration of external changeover 7013"
External blocking of compressor and pumps
"System definition"
Ó
"Effect of external blocking on pumps/compressor 701A"
External blocking of the compressor; mixer in control mode or CLOSED
"System definition"
Ó
"Effect of ext. blocking on heat pump/heating circuits 7015"
"Effect of external blocking on pumps/compressor 701A"
Parameters for solar DHW heating
Parameter
"Solar"
Ó
"Type solar control unit 7A00"
"Flow rate solar circuit for calculating solar yield 7A07"
Cooling function parameters
Parameter
"Cooling"
Ó
"Cooling function 7100"
"Cooling circuit 7101"
48
(cont.)
Ó
Setting
Set flow temperature for external de-
mand
"0" to "7"
(Observe parameter "Flow tempera-
ture for external demand 730C")
"0" to "127"
"0" to "3"
"0" to "12"
"0" to "31"
"0" to "8"
"0" to "31"
Setting
"4"
Specify calculated value from the set
pump rate of the solar circuit pump
and the pressure drop in the solar cir-
cuit in l/h.
Setting
"1" Natural cooling with NC-Box with-
out mixer (accessory)
"2" Natural cooling with NC-Box with
mixer (accessory)
"1" Heating circuit A1/HC1
"2" Heating circuit M2/HC2
"3" Do not adjust!
"4" Separate cooling circuit SKK