3
To set the parameters see the table that summarises the parameters.
Parameter
ADDITIONAL INTERNAL
ELECTRICAL HEATER
ELEMENTS
0
electrical heater
elements deactivated
1
electrical heater
elements rst stage
activated
2
electrical heater
elements rst and second
stage activated
WATER TEMPERATURE
CONTROL SENSOR
0
control based on
entering water temperature
1
control based on leaving
water temperature
BPHE HEATER SETPOINT
REMOTE CONTROL
0
user interface only
1
communication port
activated
2
remote control free
contacts activated
PUMP ANTI-LOC ING
FUNCTION WITH PUMP
OFF
0
pump anti-locking
function deactivated
1
pump anti-locking
function activated
PUMP ANTI-LOC ING
FUNCTION FREQUENC
TIME PUMP RUNNING IN
ANTI-LOC ING FUNCTION
PUMP MAINTENANCE
MESSAGE
WATER FILTER
MAINTENANCE MESSAGE
EXTERNAL HEAT
SOURCE ACTIVATION
REQUEST
0
activation request
disabled
1
activation request
enabled
OUTSIDE AIR
TEMPERATURE
THRESHOLD FOR
ACTIVATION OF
ADDITIONAL ELECTRICAL
HEATER ELEMENTS
OR EXTERNAL HEAT
SOURCE
54
DISPLAY
MENU
MNEMONIC
AEH
Service
LUc
Service
cHS
Service
r T
Service
PPS
Service
Pqd
Service
Pqt
Service
P d
Service
UF
Service
bc
Service
otE
Service
Range of
Factory
ad ustment
setting
0,1,2
0
0,1
1
-5 to 5 °C
2°C
0,1,2
0
0,1
1
0 -100 hours
72
0 - 10
0,5
minutes
0-999 days
0
0-999 days
0
0,1
0
-15 to 20°C
2°C
COMMENTS
Not used
If r T 2 On/Off, C/H
can be controlled
only by the remote
free contacts, these
commands can be
disabled on the user
interface
Eco and night-time
modes, domestic
water production and
TA contact are always
enabled with any value
of r T
Step 0.5
30 seconds
If bc 1 the electrical
heater elements in the
internal unit cannot be
activated
If bc 1 and outside air
temperature t4<otE
the contact connected
to terminals 14 and
15 is closed. If bc 0,
AEH>0 and t4<otE
the internal electrical
heater element can be
activated.