thermital 20112950, Инструкции по эксплуатации и монтажу

Страница: 35 / 44

ENGLISH
35
Electric back up management – Automatic modes
AF ACS software can automatically manage electric back up heaters under certain conditions. This mean that these
operation modes are not to be set and that can not be deactivated.
They are:
- Antifreeze mode
- Cold draft prevention
- Electric water heater mode (in case heat pump is not active)
Electric back up management – Antifreeze mode
If water temperature inside the buffer tank is lower than 5° C, all electric elements connected are switched on. When
the water temperature reaches 10° C all the elements are turned off.
Electric back up management – Cold draft prevention
If water temperature is lower than 40º C and one or more indoor units is in cold draft condition and compressor is on
since 20’, one by one electrical element are switched on per time (every 20’) and switched off one by one when water
temperature reaches 45º C and no cold draft condition on any indoor unit is detected.
Electric back up management – Electric water heater
If the outdoor unit is stopped for maintenance of end user’s decision (no communication), AF ACS unit could be used
as controller of the electrical heater elements located inside the tank, exactly like any electric water heater. In this case,
if the water temperature is lower than the desired temperature for more than 10’, all the connected electrical heaters will
switch on up to the reaching of the setpoint. End users can switch off AF ACS if they do not want to have this option.
AF ACS Connection-Only DHW application
AF ACS unit can be used with outdoor units in a specific configuration in order to create an heat pump system only for
DHW production.
Only DHW application
Connect AF ACS units to standard refrigerant ports on outdoor unit. 1/4->3/8 and 1/2->3/8 adapters are to be field sup-
plied.
Do not disconnect AF ACS port bypass;
Remove JP1 from every AF ACS PCBs. The system will operate always in
heating mode; AF ACS units have to be addressed according to refrigerant connection (like multisplit application).
Max water temperature: 60° C. It’s not possible to go over 60° C without external energy sources (electric heaters or
similar). However, no errors will be displayed if water temperature set will be over 60° C.
AF ACS AF ACS AF ACS AF ACS