Bedienungsanleitung Siemens RVP210 (Seite 3 von 8) (Englisch)

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Siemens Building Technologies CE2N2462E / 09.12.1998

Landis & Staefa Division 3/8

•

All electric or electro-hydraulic actuators for three-position control made by Landis &

Staefa can be used:

–

Operating voltage AC 24...230 V

–

Maximum running time 6 minutes (recommended: 2 to 3 minutes)

•

All electro-thermal actuators for two-position control:

–

Operating voltage AC 24...230 V

–

Running time 8 to 16 minutes

When ordering, please give type reference according to "Type summary". If a controller

with a weekly time switch is required, it must be ordered without the time switch, that is,

RVP200.0

RVP210.0

, plus the required time switch (

AUZ3.7

AUD3

). Detectors,

room unit, actuator and valve must be ordered as separate items.

–

Weather-compensated control: the setpoint of the flow or boiler temperature is con-

tinuously shifted in function of the outside temperature (via the outside detector). As-

signment of the flow temperature to the actual outside temperature is made via the

heating curve. Its slope is adjustable

–

Weather-compensated control with room temperature influence: the setpoint of the

flow or boiler temperature is continuously shifted in function of the outside tempera-

ture (via the outside detector) and, in addition, in function of the setpoint / actual value

deviation of the room temperature.

Room temperature authority = 1…99 % (adjustable, guide value is 50 %)

–

Room temperature-compensated control: the setpoint of the flow or boiler tempera-

ture is continuously shifted in function of the setpoint / actual value deviation of the

room temperature

With both types of weather-compensated control, the composite outside temperature is

used as the compensating variable. It is generated from the actual and the attenuated

outside temperature. Compared to the actual outside temperature it is ssignificantly at-

tenuated and delayed.

20 10

-10 -20 -30

3,5 3 2,75 2,5 2,25

1,75

1,5

1,25

0,75

0,5

0,25

100

2462D01

110

Outside temperature [°C]

Flow temperature[°C]

–

Three-position control: the flow temperature is controlled continuously with no offset

via a seat or slipper valve driven by an electric or electro-hydraulic actuator

–

Two-position control: the flow temperature is controlled via a seat or slipper valve

driven by an electro-thermal actuator. The switching differential is 1 K

Maximum limitation of the flow temperature can be provided in the range 8…100 °C.

This function can be deactivated.

The boiler temperature is controlled by a single-stage burner which is switched on and

off. The burner's minimum on time is four minutes. The switching differential is adjust-

able in the range 1…20 K.

Maximum limitation of the boiler temperature can be provided in the range 8…100 °C.

This function can be deactivated.

If the boiler temperature falls below 5 °C, the burner will be switched on to maintain a

minimum boiler temperature.

When there is no demand for heat and during quick setback, the boiler will be switched off.

Suitable actuators

Ordering

Technical design

Compensating variables

Heating curve chart

Flow temperature control

Boiler temperature control

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