Crestron DV-320-K Instrukcja Użytkownika Pobierz pdf (Strona 29)

Source: DIN EN 15232

The table illustrates the relationship between

building automation functions and energy

efﬁ ciency classes for control of the heating

system.

Deﬁ nition of classes

Automatic control and regulation

of the heating system

Residential

building

Non-residential

building

DCB

A DCBA

Control of transfer

The controller is installed at transfer level or room level; in the former case, one controller can regulate a number of different rooms.

0 No automatic control xx

1 Central automatic regulation

xx x

2 Automatic individual room control using thermostatic valves or electronic control devices

xx xx

3 Individual room control with communication between control devices and BACs

xxx xxx

4 Integrated individual room control including needs-based regulation (occupancy, air quality, etc.)

xxx

x xxxx

Regulation of hot water temperature in distribution network (ﬂ ow or return)

Comparable functions can be used to control networks for direct electrical heating.

0 No automatic control xx

1 Weather-based control

xx xx

2 Control of inside temperature

xxx

x xxxx

Control of circulation pumps

The controlled pumps can be installed in the network at different levels.

0 No control xx

1 On/off control

xx x

2 Control of variable pump speed according to a constant Δ p

xxx

x xxxx

3 Control of variable pump speed according to proportional Δ p

xxx

x xxxx

Control of transfer and/or distribution during intermittent operation

One controller can regulate different rooms/zones with the same occupancy pattern.

0 No automatic control xx

1 Automatic control with ﬁ xed time program

xx x

2 Automatic control with optimised on/off switching

xxx

x xxxx

Control of generators

0 Constant temperature xx

1 Variable temperature dependent on the outside temperature

xxx

x xxxx

2 Variable temperature dependent on the load

xxx

x xxxx

Operating sequence of different generators

0 Priority setting based solely on the load x x x x

1 Priority setting based on the load and on the generator performance

xxx xxx

2 Priority setting based on the level of generator usage (check other norms)

xxx

x xxxx

We reserve the right to make technical changes.

New Automation Technology

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