Check And Adjust The Co Values - Alpha ARES 440 Tec Installation And Servicing Instructions

Instructions for the installer
3.25 ChECk AND ADjuST ThE Co
ATTENTIoN!
The instructions below are provided for the exclusive
use of Gas Safe registered personnel.
All boilers leave the factory calibrated and approved,
nevertheless, if the calibration conditions need to be
changed it is necessary to re-calibrate the gas valve.
ATTENTIoN!
Remove cap 2, attach the red cap 3 to the flue test
point 1. Place the CO
on the cap.
Once the measurement has been made, take the cap
out and use the relative cap 2 to seal the flue test point.
ATTENTIoN!
For easier access to the gas valves, unhook the control
panel 'A' by pulling the spring loaded catches 'B' out
(left and right).
Hinge out the control panel 'A' slightly and lower the
assembly 'C'.
Temporarily secure the assembly 'C' in place using
two M4 screws and washers 'D' (supplied in the
documentation bag).
B
B
Alpha ARES Tec 440 - 900
vALuES
2
analysis probe 4 in the hole
2
B
A
1
3
D
42
2
4
C
A