
20
CAHA Midi
Installation, Usage and Maintenance Instructions
TECHNICI
AN
MENU
SUBMENU 1
SUBMENU 2
SUBMENU 3
SUBMENU 4
NO
TES
2 Select unites
Allow selection of diff
er
ent unit
Fahr
enheit
Select for F
ahr
enheit
Celsius
Select for English
3 Set date
Set system date
4 Set time
Set system time
3 Ser
vice settings
Ser
vice information
1 Ser
vice information
Used t
o inser
t ser
vice company phone number (selection
done as per technician passwor
d enter)
2 ser
vice due date
Next ser
vice due date (input done as per date entering)
4 Diagnostics
Boiler information and lockout hist
or
y
1 Boiler information
Boiler information
"1 CH r
equest
2 DHW demand
3 Firing rate
4 Flame ionization curr
ent
5 Boiler set point
6 Boiler supply temperatur
e
7 Return temperatur
e
8 Flue temperatur
e
9 Outdoor temperatur
e
10 DHW st
orage temperatur
e
11 Boiler fan speed
12 CH ignitions
13 CH runtime
14 DHW ignitions
15 DHW runtime
16 System pr
essur
e
17 Heat Ex
changer T
emp.
18 0-10V input
19 T
ar
get power
"
Will displa
y the information shown in SUBMENU 2
When the line has a * at the end of the line means that
hitting OK when the line is highlighted will open a graph
that shows the latest 120 v
ariable v
alues st
or
ed e
ver
y 12
minutes (24 hour hist
or
y)
2 Lockout hist
or
y
Shows the list of r
ecent err
ors. Hitting OK on the high
-
lighted err
or will open new scr
een that contains details of
the boiler status when the err
or occurr
ed.
3 Manuel test
See chimne
y sweeper
.
5 User settings
Access the user settings fr
om the adv
anced menu.
1 Heating
Heating user settings
1 CH temperatur
e/ O
TC set
Set the CH temperatur
e and O
TC cur
ves parameters
1 CH set point
Adjust setpoint of CH cir
cuit
2 Outside temperatur
e
for CH off
Set the external temperatur
e at which Heat demand is
remo
ved .
2 ECO set point r
eduction
Set the temperatur
e that will be subtracted fr
om the actu
-
al setpoint when ECO mode is activ
ated
3 Scheduler set
Inv
ok
e scheduler menu
1 Enable/dis
-
able on boar
d
scheduler
Based on selection is possible t
o enable/disable on boar
d
scheduler
Enable
Enable on boar
d scheduler
Disable
Disable on boar
d scheduler