Pipe Connections - Nibe VPB Series User's And Installer's Manual

EXPLANATION

Pipe connections

XL3 Connection, cold water
XL4 Connection, hot water
XL5 Connection, hot water circulation (does not apply to VPB/VPBS -Cu)
XL8 Docking connection, supply line (from heat pump*)
XL9 Docking connection, return line (to heat pump*)
XL13 Connection, supply line (from solar heating system) (Only VPBS 300)
XL14 Connection, return line (to solar heating system) (Only VPBS 300)
HVAC components
QM22 Venting, charge coil
UA1 Submerged tube for hot water sensor (display) BT7
UA2 Submerged tube for hot water sensor (control) BT6
UA3 Submerged tube for solar sensor (control)
Electrical components
FR1 Direct-current anode (VPB/VPBS E)
W1 Cable to direct-current anode (VPB/VPBS E)
Miscellaneous
PF1 Rating plate
PF3 Serial number plate
UL Adjustable feet
Designations in component locations according to standard IEC 81346-1 and 81346-2.
*or another external heat source
VPB/VPBS Chapter 3 | For the Installer 9