Siemens Free Energy Band RCU61U Technical Instructions Download Page 7 | Manualshive

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RCU61U Room Temperature Controller

Technical Instructions

For CAV Systems

Document Number 155-328P25

October 6, 2016

Siemens Industry, Inc.

Page 7

Drywall Mounting,
Continued

12. Terminate the wires per wiring instructions located above the terminal block.

Figure 8. Wiring Termination.

13. Reattach the controller to the controller base.

Figure 9. Controller Reattachment.

14. Adjust the setpoint dial to the desired setting.

The installation is now complete.

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Summary of Contents for Free Energy Band RCU61U

Page 1: ...ing Three position output 24 Vac for heating Operating modes Normal Energy Saving Frost Protection Standby and Off Active 0 to 10 Vdc input for setpoint shifting Operating mode changeover input for remote control Adjustable minimum limitation for cooling output Deadband between heating and cooling Operating voltage 24 Vac Application Individual room temperature control in HVAC installations that a...

Page 2: ...Acting D A The proportional band or the switching differential can be 2 F or 7 F 1 C or 4 C in heating mode and 1 F or 3 5 F 0 5 C or 2 C in cooling mode selectable with DIP Switch No 4 Heating Cooling with Minimum Limitation Cooling T Room or return air temperature L L10 Output percentage W Room temperature set point Xdz Deadband XpH Proportional band heating XpC Proportional band cooling VR 0 to...

Page 3: ...The neutral position is at 5 Vdc and means no setpoint shift W Original setpoint W1 New setpoint at 10V input W2 New setpoint at 0V input V Input voltage Figure 3 Setpoint Shifting Setpoint Limit Stops The room temperature setpoint can be limited in increments of 2 F 1 C by using the minimum and maximum setpoint limit stops This prevents arbitrary setpoint readjustments To set limit stops remove t...

Page 4: ...alls below 46 F 8 C the controller will automatically switch to frost protection mode In that case the heating valve opens and the room temperature is maintained at a setpoint of 46 F 8 C Any adjustments you make to the setpoint will be ignored Operating Mode Changeover Switch A changeover switch can be connected to status input D1 GND When the switch closes its contact caused by an open window fo...

Page 5: ... mode1 1 F 0 5 C in cooling mode1 7 F 4 C in heating mode 3 5 F 2 C in cooling mode 5 Dead zone Xdz 3 5 F 2 C 1 9 F 5 C 6 Cooling signal output in energy saving mode Active Inactive1 1 Factory setting Accessories ARG70 Adapter Plate for 2 4 inch or 4 4 inch conduit boxes QAH11 1 Changeover remote sensor Notes Check the settings of DIP Switches No 1 through No 6 and change them if required After ap...

Page 6: ...s after controller power up User input using setpoint knob results in instantaneous response There is a one minute delay before changes made to temperature sensing and changeover are implemented Drywall Mounting 1 Insert a small screwdriver into the bottom of the controller and press in the tab located in the center of the controller 2 Lift the bottom of the controller from the controller base and...

Page 7: ...s Industry Inc Page 7 Drywall Mounting Continued 12 Terminate the wires per wiring instructions located above the terminal block Figure 8 Wiring Termination 13 Reattach the controller to the controller base Figure 9 Controller Reattachment 14 Adjust the setpoint dial to the desired setting The installation is now complete ...

Page 8: ...r base and push up to remove the cover from the two tabs located at the top of the controller base 3 Separate the controller base 5 from the controller 6 4 Using the four screws provided fasten the wall box adapter 3 to the plaster ring 2 Plaster ring supplied by others 5 Flex the adapter mask 4 and snap it in place inside the wall box adapter 3 6 Pull wires through the plaster ring 2 7 Fasten the...

Page 9: ... the bottom of the controller from the controller base and push up to remove the cover from the two tabs located at the top of the controller base 3 Separate the controller base 5 from the controller 6 4 Using the two screws provided fasten the wall box adapter 3 to the wall box 1 5 Flex the adapter mask 4 and snap it in place inside the wall box adapter 3 6 Fasten the controller base 5 to the wal...

Page 10: ...ltage 0 to 10 Vdc Current 1 mA Control output Terminals 9 and 10 Three position output Voltage 24 Vac 20 Current 2A maximum Motor timing for heating output 150 seconds at 50 60 Hz Status input D1 Contact sensing 6 to 15 Vdc 3 to 6 mA Insulation against mains voltage 4 kV Maximum number of contacts connected 50 in parallel Status input terminal 1 Setpoint shift of 22 5 F 12 5 C 0 to 10 Vdc Neutral ...

Page 11: ...etpoint shift 2 Measuring neutral 4 0 to 10 Vdc output cooling 5 Ground for 0 to 10 Vdc output cooling 6 Operating voltage 24 Vac negative 7 Operating voltage 24 Vac positive 8 Positive control for 3 pos actuator 9 Return control signal open 10 Return control signal close D1 Signal input for potential free operating mode changeover switch GND Ground Figure 12 Wiring Diagram NOTE When wiring to an ...

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