Evco c-pro nano CHIL Bedienungsanleitung PDF herunterladen (Seite 102)

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL

Pag. 102

- Mode = Operating mode (1 = Winter)

- SPH1 = LB winter set point

- PC11 = Regulation type (0 = Lateral band)

- PC12 = Regulation band

- PC23 = Heat pump set point lower limit

- PC24 = Heat pump set point upper limit

6.5.2 Neutral-zone (NZ) regulation

This regulation requires the definition of a neutral zone (NZ) around the set point, within which no

decision will be taken as to the activation or de-activation of compressors in use at the time.

If the outlet temperature is found to be outside the neutral zone, the compressors are activated/de-

activated, in order to bring the temperature value back within the neutral zone.

The requests for switching ON/OFF for the various power steps provided by compressors in

summer operating mode (chiller) will follow this logic:

⋅ Switching ON: when the outlet temperature exceeds the neutral zone.

⋅ Switching OFF: when the outlet temperature falls below the neutral zone.

- Mode = Operating mode (0 = Summer)

- SPC1 = NZ summer set point

- PC11 = Regulation type (1 = Neutral zone)

- PC14 = Neutral zone

- PC17 = Extra time for out-of-zone request

- PC21 = Chiller set point lower limit

- PC22 = Chiller set point upper limit

The requests for switching ON/OFF for the various power steps provided by compressors in winter

operating mode (heat pump) will follow this logic:

⋅ Switching ON: when the outlet temperature falls below the neutral zone.

⋅ Switching OFF: when the outlet temperature exceeds the neutral zone.

Neutral zone

Compressor

start

Compressor

shutdown

Outlet T

Steps

Inlet T

SP SP - PB

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Evco c-pro nano CHIL Bedienungsanleitung Seite 102