Activating The Flue-Sweeper Function; Output / Pump Head Performances - Baxi PRIME HT 240 Installers And Users Instructions

21. ACTIVATING THE FLUE SWEEP FUNCTION
Proceed as follows to activate the flue sweep function before measuring combustion efficiency and fume composition.
1) Turn knobs 6 and 7 (figure 1) fully anti-clockwise to their minimum positions as shown in figure 18A.
2) Starting in this position, quickly turn control knob 7 twice consecutively clockwise through about
in figure 18B.
NOTE: In FLUE SWEEP mode, LEDs 2 and 3 (figure 1) flash alternately and the display alternates the message
"SF" and the boiler output temperature about every five seconds (figure 19).
IMPORTANT: In FLUE SWEEP mode, do not turn knob 6 from its initial position or you will enter "calibration" mode in-
stead (see section 16.1).
3) Flue sweep mode remains active for 20 minutes. To exit FLUE SWEEP mode before this time, simply turn knob 7 (figure 1).
The function also stops if the central heating MAX. SETPOINT temperature is reached (see section 16.1 point 4).

22. OUTPUT / PUMP HEAD PERFORMANCES

This is a high static head pump fit for installation on any type of single or double-pipe heating systems. The air vent valve
incorporated in the pump allows quick venting of the heating system.
PRIME HT 1.280 - HT 330
Graph 4
PRIME HT 1.240 - HT 280 - HT 240
Graph 4.1
WATER FLOW RATE (l/h)
WATER FLOW RATE (l/h)
29
INSTRUCTIONS FOR THE INSTALLER
/ of a turn as shown
1
4