Dimensions and pipe
connections
622
600
560 440
70
1800
20-50
25
60
135
210
390
465
540
PIPE DIMENSIONS
Connection
22mmHeating medium supply/return ØXL1 / XL2
22mmCold/hot water ØXL3 / XL4
15mmHot water circulation
(does not apply to VVM S320 CU) Ø
XL5
22mmDocking heating medium in/out ØXL8 / XL9
NIBE VVM S320Chapter 4 | Pipe connections16