COSMOGAS ECOTWIN, Инструкция по установке, эксплуатации и обслуживанию, Страница: 41 / 88

41
ecotwin
COSMOGAS
6 - INSTALLATION
15 - Enable mixing valve (M51) circuit 2, via the parameter
“Mixing valve” in “ZONE 2” menù (section 8.2.1). When the
mixing valve is active, also connect the relative TV2 sensor
(detail “21”). WARNING !!! Use only mixing valves
with 0-10V control.
16 - ON/OFF remote control (Stop everything, including DHW).
It must be enabled by selecting “Electrical utility lock” in the
“ELECTRIC LOCK” menu (section 8.2.12).
17 - Cooling demand. It is enabled by going to the “WORKING
MODE” menu (section 8.2.9) in the “Heating / cooling
switch” parameter and selecting “External signal control”
or “External signal c outdoor temp.”. If you choose
the second option, you must complete the limits of “Outdoor
temp.“, as they have priority over external contact.
18 - Heating demand. It is enabled by going to the “WORKING
MODE” menu (section 8.2.9) in the “Heating / cooling
switch” parameter and selecting “External signal control”
or “External signal c outdoor temp.”. If you choose
the second option, you must complete the limits of “Outdoor
temp.“, as they have priority over external contact.
WARNING !!! If both external signals (“17” and “18”)
are closed the appliance has no priority and stops.
19 - Double setpoint demand (see section 8.2.11 “WATER
PUMPS”).
20 - Circuit 1 temperature sensor (TV1)
21 - Circuit 2 temperature sensor (TV2)
22 - Room temperature sensor (Tr). It must always be
connected and must be left under the appliance.
23 - Heating/Cooling thermoregulation sensor (Tc)
24 - DHW temperature sensor (Tw)
35 - Integrative electrical resistance inside the heat pump
40 - Outdoor unit electrical supply
53 - Indoor unit (terminals)