- Power supply: 230 V~; Consumption: 5 VA; Modular enclosure DIN 105 x 115; Protection: IP 40.
- Digital programming by means of 4 operating keys and alphanumeric display.
- Control of boiler temperature at fixed point or variable in relation to outside temperature or to the demand
- of the various users (if the controllers are COSTER).
- Control of 1, 2-stage or modulating burner.
- Option of sequence under control of XTC 638.
- Compensated control of boiler temperature
– all the optimum starts and stops of heating and of the site circulation pump
– complete range of choices for room temperature,
– 24hour and 7day clock (four 24hour programs, one 7day program) - Control of temperature of DHW storage tank (one for each site)
– own independent clock; 24hour, 7day (four 24hour programs, one 7day program).
– priority and antibacterial functions - Automatic switching GMT/BST.
- Periodic operation of summer plant exercise of valves and pumps.
- Metering of degree-days, of burner operating hours and or number of starts.
- Alarms for short and open sensor circuits and for abnormal operation of site and devices.
- C-Ring connection for local transmission of data to other COSTER controllers.
- Optional C-Bus connection for transmitting data to local PCs or remote Telemanagement PC..
XCC 638 is already provided with 0…10 V output adaptable to any generator provided with this input.
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