User Manual

ManualsBrandsSiemens ManualsThermostats (temperature controller with sensor)Room Temperature Controller RCC50.1

Table Of Contents

026

Room Temperature

Controller

RCC60.1

for two-pipe fan coil units

Modulating PI control

Output for three-position 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 230 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 and closing a three-position valve actuator operating on AC 230 V and

for switching a three-speed fan.

Suited for use in systems with

• automatic heating / cooling changeover

• continuous heating or cooling operation.

CE1N3026en

12.06.2003

HVAC Products

Siemens Building Technologies

Summary of content (8 pages)

PAGE 1
3 Room Temperature Controller 026 RCC60.
PAGE 2
Functions The controller acquires the room temperature with its integrated sensor and maintains the setpoint by delivering three-position 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.
PAGE 3
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.
PAGE 4
Mechanical design The unit consists of two parts: • • A plastic housing which accommodates the electronics, the operating elements and the built-in room temperature sensor A mounting base The housing engages in the mounting base and snaps on. 3021Z01 The base carries the screw terminals. The DIP switches are located at the rear of the housing.
PAGE 5
Notes In systems with automatic changeover, the temperature sensor can be replaced by an external switch for manual changeover. In systems with continuous heating operation, no sensor will be connected to the controller’s input. With continuous cooling operation, the controller input (B2–M) must be bridged.
PAGE 6
Technical data Power supply Operational data Enivonmental conditions Norms and standards Operating voltage Frequency Power consumption Control outputs Q1, Q2, Q3 Rating Control outputs Y1, Y2 Signal input B2 for changeover-sensor Status input D1 Contact sensing Insulation against mains voltage Max. number of contacts connected in parallel Operating action Perm. cable length with copper cable 1.5 mm2 for connection to terminals B1, B2 and D1 Setpoint setting range Max.
PAGE 7
Weight Colour of housing front approx. 0.
PAGE 8
3021M01 Dimensions 114,15 unit 42,8 96,6 baseplate 4 28 4 30 26 90 8/8 © 2002 Siemens Building Technologies AG Siemens Building Technologies HVAC Products Room temperature controller 3021M02 11,8 30 28 104 4 35 28 28 Subject to alteration CE1N3026en 12.06.