Connecting An Indirect Tank - Baxi Luna HT 1.450 Notice D'installation Et D'entretien

Connect the water storage pipes as shown in figure.
Remove the resistor from terminals 9-10 of terminal board M2, and connect the optional DHW priority sensor to them.
Insert the Baxi indirect tank sensor (SB) into a dry well on the indirect tank.
Set domestic hot water temperature using the control knob 7, figure 30 on the boiler's front panel.
KEY:
UB - DOMESTIC HOT WATER INDIRECT TANK
UR - CENTRAL HEATING UNIT
M2 - TERMINAL BOARD CONNECTION
SB - BAXI INDIRECT TANK SENSOR
MR - CENTRAL HEATING DELIVERY
MB - DOMESTIC HOT WATER HEATER DELIVERY
RR - CENTRAL HEATING/BOILER RETURN
P1 - CENTRAL HEATING PUMP
P2 - D.H.W. PUMP
NOTE: legionella function is active
(factory set = ON; see section 12.5 parameter 555.1).
FROST PROTECTION MODE
The frost protection mode is integrated to the appliance when left in the domestic hot water and central heating position.
If the temperature falls below 41 °F/5 °C the boiler will fire on its minimum setting until a flow temperature of 86 °F / 30
°C is reached.
PUMP PROTECTION
With the selector switch in either, the central heating and domestic hot water position, the pump will automatically operate
for 1 minute in every 24 hours to prevent sticking.
INSTALLATION AND SERVICING INSTRUCTIONS

11.2 CONNECTING AN INDIRECT TANK

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7110242.02 - en