Nibe SP 110 User's And Installer's Manual page 14

COMPONENT POSITIONS
SP 110
UL2
XL8
QM25
SP 300
XL8
QM25
Pipe connections
XL3 Connection, cold water, compression ring (Ø 22 mm)
XL4 Connection, hot water, compression ring (Ø 22 mm)
XL5 HWC connection, compression ring (Ø 15 mm) only SP 300
XL8 Docking connection, incoming from another heat source (G1 1/4")
XL9 Docking connection, outgoing from another heat source (G1 1/4")
XL35 Connection, electric heater (ELK213) (G2") only SP 300
XL54 Connection, thermostat (G½")
HVAC components
QM25 Vent valve (enclosed, only used for upright installation and on connection XL8)
Miscellaneous
PF3 Serial number plate
UL1 Adjustable feet
UL2 Mounting rail
Designations in component locations according to standard IEC 81346-1 and 81346-2.
14
XL9
XL54 UL1
UL2 XL9
XL35 XL54 XL35
XL4
PF3 XL3
XL5
UL1 PF3
XL4
XL3
NIBE SP | GB