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INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Parameter
ID
Description Range Default
Customised
value
U 11 Night function
is function can only be activated if CARV2 (op-
tional) is available.
Activating the function allows you to reduce the
compressor frequency during the outdoor unit
operation in the time slot set in the U 12 and U 13
parameters.
Make sure the additional power sources needed to
meet potential requirements that may present
themselves during active operation are available
(e.g. add it iona l resistanc es)
OFF - ON OFF
U 12 Night function enabling time 0 ÷ 23 0
U 13 Night function disabling time 0 ÷ 23 0
U 14 Zone 3 heating ow set point in case of no thermal regulation (“R 01” = OFF). 20 ÷ 80 °C 25
U 15 Zone 2 cooling ow set point in case of no thermal regulation (“R 01” = OFF) 5 ÷ 25 °C 20
U 16 Zone 3 central heating oset - 15 ÷ + 15 °C 0
U 17 Zone 3 cooling oset - 15 ÷ + 15 °C 0
U 18 Zone 3 humidity setpoint 30 ÷ 70 50
U 21 Hour setting (internal clock) 0 - 23 hours
U 22 Minutes setting (internal clock) 0 - 59 minutes
U 23 Day of the week
Mo-Tu-We-
- Fr-Sa-Su
U 24 Current day 1 ÷ 31
U 25 Current month 1 ÷ 12
U 26 Current year 00 ÷ 99
U 32 Start time of the DHW recirculation function (do not use) 0 - 23 hours
U 32 Start time of the DHW recirculation function 0 - 23 hours
U 33 Start time of the DHW recirculation function (do not use) 0 - 23 hours
U 50 Venting
In the case of new central heating systems and in
p a r t i c u l a r m o d e f o r o or s y s t e m s , i t i s v e r y i m p o r -
tant that de-aeration is performed correctly. e
function consists of the cyclic activation of the
pump (100 s ON, 20 s OFF) and the 3-way valve
(120 s D.H.W., 120 s heating system).
OFF - ON OFF
e parameters referring to zone 2 can only be displayed
if there is a zone 2 on the system and it is congured cor-
rectly.
e parameters referring to zone 3 can only be displayed
if there is a zone 3 on the system and it is congured cor-
rectly.
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