Dimensions and pipe
connections
20
1780
560
600
355
245
615
95
185
215
30-50
80
135
190
80
135
190
300
XL1
XL30
XL2
XL18
XL3
XL4
XL9
XL8
XL19
PF1
PF3
XL13
XL14
20
1780
560
600
355
245
615
95
185
215
30-50
80
135
190
80
135
190
300
PIPE CONNECTIONS
Connection, heating medium supply line G20 int.
XL1
Connection, heating medium return line G20 int.
XL2
Connection, cold water G20 int.
XL3
Connection, hot water G20 int.
XL4
Connection, docking from heat pump G20 int.
XL8
Connection, docking to heat pump G20 int.
XL9
Connection, solar heating system supply line Ø22 mm
XL13
Connection, solar heating system return line Ø22 mm
XL14
Connection, docking in high temp Ø22 mm
XL18
Connection, docking out high temp Ø22 mm
XL19
Connection, expansion tank G20 int.
XL30
NIBE VVM 310
Chapter 4 | Pipe connections
14
