Bosch GWI-N Series Training And Service Information page 49

Components Calibration
Burner Stop Condition
Page 49 from 76
Technician Task
Only applicable when
components are replaced
Entry / Exit parameter
Bypass calibration
Motorized water valve
(stepper motor) calibration
Adjustment of water flow
sensor
Table 35 – PA
Technician Task
This allows technician to have
access to the historic of the 10
conditions that lead the burner to
stop (while flow rate is still
detected)
6 720 814 719 SM FP_Australia 2017/04 EN
Comments
Allows the technician to calibrate
components operation range after a
replacement
Not Applicable in GWH 12 / 16 / 20
Only Applicable to Outdoor GWH 16 / 20 /
26
Open tap adjusting flow from 6 to 8 l/min
(display show 60 to 80) and stop when
confirmation of calibration is done (check
sign visible in display).
Open hot water and motorized valve will
close completely the flow and start opening
until minimum flow rate detection
Open hot water to start appliance and press
P checking the water flow
(l/s x 10).
Appliance will shut off while calibration is
being done until inlet and outlet NTC
measure same temperature and water flow
start blinking.
Press P to finish.
Comments