Coolant Buffer Cylinder; Compressor; Applicatn Limits - Viessmann PLC VITOCAL 350-HT PRO Service Instructions For Contractors

Heat pump control unit
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Commissioning/service reports
Control parameter report

Coolant buffer cylinder

See page 22.
Parameter
"Set value, cyl"
"Cooling lim."
"Start temp, coolant buffer cylinder"
"Stop temp, compressor stage 1"
"Stop temp, compressor stage 2"
"Stop temp, compressor stage 3"

Compressor

See page 23.
Parameter
"Restart block"
"Oil sump heating max. not running"
"Oil sump htg min op. time before comprssr
start"
"Min. oil press. diff."
"Min. time betw. compressor starts"
"Reduction, t maint. before compressor start" 85 °C

Applicatn limits

See page 24.
Parameter
"Max. condensing temperature"
"Min. evaporation temp"
"Alarm,high prss."
"Low press. alarm"
"MOP point"
"Stop pump out => min evap. temp +"
"Start pump out => stop pump out +"
58
(cont.)
Delivered condition
5° C
18 °C
3 K
0 °C
5 °C
10 °C
Delivered condition
00:15:00
02:00:00
06:00:00
1.5 bar
00:00:30
Delivered condition
95 °C
-15 °C
98 °C
-20 °C
40 °C
2 K
10 K
Commissioning Maintenance/
service
Commissioning Maintenance/
service
Commissioning Maintenance/
service

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