Maintenance and service
33
Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
6.6
Water actuators calibration
Water valve calibration must be done when main water valve or
bypass valve is replaced. Also required when electronic control
unit is replaced.
The water valve calibration process takes several minutes.
▶ Do not interfere with the appliance.
6.6.1 MF (Main Valve Auto Calibration)
▶ Open one hot water tap.
▶ Access menu
PA
.
▶ Press the button
.
▶ Press the buttons
or
to select
MF
.
▶ Press the button
.
The appliance will start the auto calibration of main valve.
Display will show water flow rate value X 10 (multiplied by
10) during the process.
Water flow will shut-off.
▶ Wait until indication of calibration completed appears on
the screen, the value blinks.
▶ Wait until water flow blinks on the screen indicating that
calibration is complete.
▶ Press the button
to return.
6.6.2 BP (Bypass Valve Auto Calibration)
▶ Open one hot water tap.
Flow rate between 0.80 GPM and 1.80 GPM is required.
It's possible to confirm this value by entering
P4
Information
menu.
▶ Access menu
PA
.
▶ Press button
.
▶ Press button
or
to select
bP (bypass valve)
.
▶ Press button
.
The appliance will start the auto calibration of the bypass
valve.
Display will show water flow rate value X 10 (multiplied by
10) during the process.
The display shows the flow rate.
▶ You should adjust the flow rate at the beginning of the
calibration process.
▶ Wait until water flow blinks on the screen indicating that
calibration is complete.
▶ Press the button
to return to main menu.
6.7
Gas type
Improper gas type will affect appliance performance. Outdoor
model is only suitable for Natural Gas.
▶ Press simultaneously buttons
,
and
for 3
seconds.
Display shows
P4 (Information)
.
▶ Press buttons
or
to select
P7 (Gas Type)
.
▶ Press
to enter.
▶ Press buttons
or
to confirm gas type according
to table 15.
▶ Press
for 3 seconds to confirm Gas type.
The selected gas type blinks.
Table 15
7
Maintenance and service
WARNING:
Maintenance must be done by a trained or qualified contractor.
DANGER:
▶ Always shut off the electrical power supply, shut off the
manual gas valve and shut off the water valves whenever
servicing.
Gas type
Display
NG (Natural gas)
NA
