
Part number 550-100-305/0118
98
AquaBalance
TM
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
—
Boiler Manual
•
In case of Water pressure switch: “00” means open, “20” means closed.
•
In case of sensors in short circuit or open circuit, the display visualizes: “--”.
•
Actual Blower Speed is showed always in terms of Hz.
•
Actual water flow rate is showed always in terms of real l/min *10 and it has to be visualized also with the input switch
contact open. Example: real 1.5 l/min has to be visualized as 15.
•
Actual Flame Current is showed always in terms of real uA*10. Example: real 0.3 uA*10 has to be visualized as 3.
•
In case of DHW thermostat, t04: “On” means closed, “OFF” means open.
By pressing the “
reset
” push button for 1 second, it is possible to escape from the “Inquiry” mode. By pressing the “
reset
” push
button for 20 seconds, it is possible to leave the Installer mode. If no action has been taken, the MMI automatically leaves this
mode after 15 minutes.
P10
blinking
Actual water pressure (psi)
P11
blinking
Actual PWM modulating Pump (%)
\]"
P12
blinking
Actual Step of Triac mod. mode (Num)
\]| "
F13
blinking
^`"QQ"ZX`X]^`
between 00 and 255
Figure 125
“In” - Inquiry mode (continued)
34
Troubleshooting
(continued)
“Hi” as History mode
Selecting “Hi” the display starts with showing “
H01
” blinking. By means of the CH+ and CH- push buttons it is possible to select
the parameters; between “
H01
” and “
H08
”. Selecting one of these parameters, by means of the DHW+ and DHW- push buttons, it
is possible to see this value (not flashing).
By pressing the “
reset
” push button for 1 second, it is possible to escape from the “History” mode. By pressing the “
reset
” push
button for 20 seconds, it is possible to leave the Installer mode. If no action has been taken, the MMI automatically leaves this
mode after 15 minutes.
H01
blinking
History buffer 1 (the latest)
H02
blinking
History buffer 2
H03
blinking
History buffer 3
--------
--------
H08
blinking
History buffer 08
Figure 126
“Hi” - History mode