Siemens RCC50.1 Manual

Siemens Termostat RCC50.1

Læs gratis den danske manual til Siemens RCC50.1 (8 sider) i kategorien Termostat. Denne vejledning er vurderet som hjælpsom af 37 personer og har en gennemsnitlig bedømmelse på 4.3 stjerner ud af 19 anmeldelser. Har du et spørgsmål om Siemens RCC50.1, eller vil du spørge andre brugere om produktet?

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Side 1/8

CE1N3025en

12.06.2003

Siemens Building Technologies

HVAC Products

3025

Room Temperature

Controller

RCC50.1

for two-pipe fan coil units

Modulating PI control

Output for DC 0…10 V valve actuator

Outputs for three-speed fan

Automatic heating / cooling changeover

Operating modes: normal and energy saving or OFF

Operating mode changeover input for remote control

Function for avoiding damage resulting from moisture

Operating voltage AC 24 V

Use

Typical use:

• Control of the room temperature in individual rooms that are heated or cooled

with two-pipe fan coil units.

• For opening or closing a DC 0…10 V valve actuator

• For switching a three-speed fan.

Suited for use in systems with

• automatic heating / cooling changeover

• continuous heating or cooling operation.

2/8

Siemens Building Technologies Room temperature controller CE1N3025en

HVAC Products 12.06.2003

Functions

The controller acquires the room temperature with its integrated sensor and maintains

the setpoint by delivering DC 0…10 V control commands to the valve. The controller

provides PI control. The proportional band in heating mode is 4 K and in cooling mode

2 K. The integration time is 5 minutes.

Heating mode Cooling mode

Y10 [%]

XpH w

100

3025D01

T [°C]

Y10 [%]

100

3025D02

T [°C]

XpK

Note: the diagrams only show the proportional part of the PI controller.

The room temperature setpoint can be limited in increments of 1 K by making use of

the minimum and maximum limitation facility. Arbitrary setpoint readjustments can

thus be prevented.

The water temperature acquired by the changeover sensor (QAH11.1 + ARG86.3) is

used by the controller to switch from heating to cooling mode, or vice versa. When the

water temperature lies above 28 °C, the controller switches to heating mode, below

16 °C it switches to cooling mode. If, immediately after switching on, the water tem-

perature lies between the 2 changeover points, the controller will start in heating

mode. The water temperature is measured at minute-intervals and the operational

status updated.

[°C]

3025D03

16 28

The task of the changeover sensor is to initiate the change from heating to cooling

mode even if the two-port valves are shut down for a longer period of time. To ensure

this function, the valves are opened for one minute at 2-hour intervals during off

hours.

The fan is switched to the selected speed via control output Q1, Q2 or Q3.

When the function “Temperature-dependent fan control“ is activated (can be selected

with DIP switch no. 1), the fan is switched on / off depending on the temperature, that

is, together with the valve.

It is switched off by

• leaving the heating or cooling sequence, provided the function “Temperature-

dependent fan control “ is activated, or

• manually changing to standby , or

• activating an external operating mode changeover switch, provided plant condi-

tions do not call for energy saving, or

• turning the controller’s power supply off.

Energy saver

Automatic

changeover

Purging function

Fan operation

T Room temperature w Room temperature setpoint

XpH Proportional band heating Y10 Manipulated variable «Actuator»

K Pro

ortional band coolin

CM Cooling mode

HM Heating mode

M Operating mode

TW Water temperature

Produkt Specifikationer

Mærke:	Siemens
Kategori:	Termostat
Model:	RCC50.1

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