Baxi LUNA HT 1.850 Installers And Users Instructions page 27

STORAGE TANK
CONNECTION DIAGRAM
KEY:
UB - DOMESTIC HOT WATER HEATER UNIT
UR - CENTRAL HEATING UNIT
M2 and M3 - CONNECTION TERMINAL BOARD
SB
- DOMESTIC HOT WATER SENSOR
P1
- LOW LOSS HEADER PUMP
P2
- CENTRAL HEATING PUMP
P3
- D.H.W. PUMP
SI
- LOW LOSS HEADER
Figurr 12
WARNING:
In the case of a direct coupling of the boiler coil fitting on the boiler unit's "T" fitting it is necessary to modify the control
of pump P1.
Configuration of parameter for electronic card H632 = 00000100.
(See § 15).
INSTRUCTIONS PERTAINING TO THE INSTALLER
27
910.024.1 - EN (AUS)