Sontay SC-RC User Manual
  1. Manuals
  2. Brands
  3. Sontay Manuals
  4. Controller
  5. SC-RC
  6. User manual

Sontay SC-RC User Manual

Smart communication room controllers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Four Elms Road - Edenbridge
Kent - TN8 6AB - UK
Specification
Supply voltage
Supply current
SC-RC1-RHT-WB
Inputs
Outputs
SC-RC2-CO2-RHT-WB
Inputs
Outputs
Common specification
Set point range:
Temperature
Humidity
Proportional band
Dead band
CO
2
PIR:
Type
Detection
Wiring
We strongly recommend that all SC-RC products be wired to a separate grounded transformer and that transformer shall service only the SC-
FC products. This precaution will prevent interference with, and/or possible damage to incompatible equipment.
Smart Communication Room Controllers User Manual
24Vac
1VA (41.6mA @ 24Vac)
2 x Universal
0-10Vdc, 10kΩ Thermistor or
dry contact
5 x Binary (OptoFET, 250mA max.)
2 x Analog (0-10Vdc, adjustable)
4 x Universal
0-10Vdc, 10kΩ Thermistor or
dry contact
6 x Binary (OptoFET, 250mA max.)
4 x Analog (0-10Vdc, adjustable)
10 to 40°C
10 to 90% RH
0.5 to 5°C adjustable
0.0 to 5°C adjustable
Self-calibrating NDIR
PIR
100° angle, 4m distance
BACnet
Modbus
Connections
Accuracy:
Temperature
Humidity
CO
2
Ambient:
Temperature
RH
Storage temperature
Housing:
Material
Dimensions
Protection
Country of origin
Conformity
WEEE Directive:
At the end of the products useful life please
dispose as per the local regulations.
Do not dispose of with normal household waste.
Do not burn.
1 of 36
SC-RC
Issue Number 7.0
11/05/2022
MS/TP, 9600, 19200, 38400 or
76800
RTU slave, 9600, 19200, 38400 or
57600
Selectable parity & stop bits
0.8mm² at least
±0.4°C (control)
±3.5%RH (control)
±30ppm ±3% of reading
0 to 50°C
5 to 95% RH, non-condensing
-30 to +50°C
ABS
124 x 83 x 20mm (without CO
2
124 x 83 x 24mm (with CO
)
2
IP30
Canada
EMC, CE & UKCA Marked
)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SC-RC and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Sontay SC-RC

Summary of Contents for Sontay SC-RC

  • Page 1 Do not burn. Wiring We strongly recommend that all SC-RC products be wired to a separate grounded transformer and that transformer shall service only the SC- FC products. This precaution will prevent interference with, and/or possible damage to incompatible equipment.

  • Page 2: Programming Mode

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Terminal Description * = select from any of the following ramps: ** = select from any of the following: Cooling 1 w/ fan Cool/Heat 1 w/ fan Dirty Filter...

  • Page 3: Table Of Contents

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Mounting Instructions CAUTION: Remove power to avoid a risk of malfunction. Remove the captive screw that’s holding the base and the front cover of the unit together. Lift the front cover of the unit to separate it from the base.
  • Page 4 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Setpoint & User Control “Intern Temp Sensor Offset” Range: 0 to 50ºC (32 to 122ºF) Offset: Max. ±5ºC (±9ºF) Increment: 0.1ºC (0.2ºF) Compare the displayed temperature reading with a known value from a thermometer or other temperature sensing device. To offset or cali- brate the sensor, use the arrow buttons to set the desired temperature reading.
  • Page 5 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Keypad Lock Settings “Keypad Upper Left Locked” Default: No (Disable) Range: yES (Enable), No (Disable) If set to yES, the fan button is locked and cannot be used by the user. If set to No, the fan button is unlocked and can be used by the user.

  • Page 6: Analog Output

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Analog Output 1 (AO1) "AO1 Ramp" Default: Cr1 (Cooling Ramp 1) Range: Cr1, Cr2, Hr1, Hr2 (heat with fan), Hr2 (heat without fan), CH1, HU, CO2, 6W, dto, VFdt, VFdP, OFF, COr Select the desired signal from the available options.
  • Page 7 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Analog Output 1 (AO1) (continued) "AO1 Off Voltage" Default: MIN (Minimum voltage) Range: MIN (Minimum voltage), OFF (0 Volt) MIN (Minimum voltage), OFF (0 Volt) This option does not appear if the signal ramp for AO1 is set to OFF (Step 17, "AO1 Ramp"). Set the analog output voltage when the controller is turned off.
  • Page 8 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Analog Output 2 (AO2) (continued) VFdt VFdP "AO2 Minimum Voltage" Default: 0.0 Volt Range: 0.0 to 10.0 Volts Increment: 0.1 Volt This option does not appear if the signal ramp for AO2 is set to OFF (Step 23, "AO2 Ramp"). Select the desired minimum voltage (“zero” value) for the AO2 ramp.
  • Page 9 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Analog Output 3 (AO3) (continued) • CH1 (Cooling and Heating). If selected, the controller performs cooling regularly. If another output is set to heat, it performs heating regularly. •...
  • Page 10 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Analog Output 4 (AO4) “AO4 Ramp” Default: Hr1 (Heating Ramp 1) Range: Cr1, Cr2, Hr1, Hr2 (heat with fan), Hr2 (heat without fan), CH1, HU, CO2, 6w, dto, OFF, COr Select the desired ramp from the available options.

  • Page 11: Binary Output

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Fan Settings "Fan Spd Signal" Default: Range: 1, 2, 3 This option does not appear if you have selected FAN at Step 23, "AO2 Ramp". Select the desired number of fan speed contacts. The fan symbol is also displayed.

  • Page 12: Binary Output

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 1 (BO1) (continued) • CH1 (Cooling and Heating). If selected, the controller performs cooling regularly. If another output is set to heat, it performs heating regularly. •...

  • Page 13: Binary Output

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 2 (BO2) The Binary Output 2 settings do not appear if the BO1 signal type is set to FLot at Step 51, “BO1 Signal Type”. "BO2 Ramp"...
  • Page 14 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 3 (BO3) (continued) "BO3 Close Percent" Default: 50% of the demand Range: 15 to 80% Increment: This option does not appear if the signal ramp for BO3 is set to OFF (Step 63, "BO3 Ramp") and if the signal type for BO3 is set to either tPm or FLot (Step 64, “BO3 Signal Type”).
  • Page 15 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 4 (BO4) (continued) "BO4 Dirrev" Default: dir (Direct) Range: dir (Direct), rEV (Reverse) This option does not appear if the signal ramp for BO4 is set to OFF (Step 70, "BO4 Ramp") and if the signal type for BO4 is set to tPm (Step 71, “BO4 Signal Type”).

  • Page 16: Issue Number 7.0

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 6 (BO6) The Binary Output 6 settings appear only if you have selected one of the following options: VFdP or VFdt at Step 17, "AO1 Ramp" or VFdP, VFdt or FAN at Step 23, "AO2 Ramp".
  • Page 17 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Binary Output 7 (BO7) (continued) “BO7 Close Percent” Default: 20% of the demand Range: 15 to 80% Increment: This option does not appear if the signal ramp for BO7 is set to OFF (Step 88, “BO7 Ramp”) and if the signal type for BO7 is set to tPm (Step 89,“BO7 Signal Type”).
  • Page 18 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Proportional and Deadband Settings (continued) "Heat 2 Dead Band" Default: 0.3ºC (0.6ºF) Range: 0.0 to 5.0ºC (0 to 9ºF) Increment: 0.1ºC (0.2ºF) Select the desired dead band value of the heating ramp 2. The heating symbol is also displayed.

  • Page 19: Universal Input

    SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Universal Input 1 (UI1) 108. "UI1 Signal Type" Default: Range: OFF, t10.0, SENs, noCL, noHt, OAS, t10V, CO2, OCC, nSb, oVrd, win, door, dFt, FLS, oVht, SEL, FrFb, HU, P10V, t012, dt1t, dt1u, dt0t, dt0u Select the input signal type for UI1 (Universal Input 1).
  • Page 20 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Universal Input 1 (UI1) (continued) t10.0 SENs noHt noCL t10V oVrd door oVht FrFb PI0u dt1t dt1u dt0t dt0u 109. "UI1 Minimum Voltage" Default: Range: 0.0, 2.0 This option appears only if you have selected either P10V or t10V at Step 108, "UI1 Signal Type". Select the minimum voltage for AI1.
  • Page 21 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Universal Input 2 (UI2) (continued) • The UI1 input signal has priority over UI2. If you select the same input signal type as UI1, UI2 will not be functional.
  • Page 22 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Universal Input 4 (UI4) 120. “UI4 Signal Type” Default: Range: OFF, t10.0, SENs, noCL, noHt, OAS, t10V, CO2, OCC, nSb, oVrd, win, door, dFt, FLS, oVht, SEL, FrFb, HU, P10V, t012, dt1t, dt1u, dt0t, dt0u Select the input signal type for UI4 (Universal Input 4).
  • Page 23 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Temperature (continued) 127. "CH Over Setpnt" Default: 24.0ºC (75ºF) Range: 10.0 to 40.0ºC (50 to 104ºF) Increment: 0.5ºC (1ºF) This option appears only if you have selected SENs at Step 108, "UI1 Signal Type", Step 112, "UI2 Signal Type", Step 116, “U13 Signal Type”...
  • Page 24 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 VFD Pressure Settings (continued) 134. "VFD Pressur Setpnt" Default: 500 Pa Range: 100 to pressure maximum range (value set at Step 133) Increment: 1 Pa Select the setpoint value for VFD pressure. If the value is higher than 10,000, the value will be divided by 100 and shows a decimal point. The increment is displayed as 0.1.
  • Page 25 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 VFD Temperature Settings (continued) 143. "VFD Temp Control Source" Default: itS (internal) Range: itS (internal), EtS (External) Select the source for VFD temperature control. • itS. If selected, the controller will be controlled by its internal temperature sensor.
  • Page 26 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Night Set Back (NSB) 150. “NSB Overide Delay Minutes” Default: 120 minutes Range: 0 to 180 minutes Increment: 15 minutes This option appears only if you have selected nSb at Step 108, "UI1 Signal Type", Step 112, "UI2 Signal Type", Step 116, “U13 Signal Type” or Step 120, “UI4 Signal Type”.
  • Page 27 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Occupancy (OCC) (continued) 157. "No OCC Fan Mode" Default: AUto (Automatic) Range: AUto (Automatic), LO (Low), mEd (Medium), HI (High) This option appears only if you have selected OCC at Step 108, "UI1 Signal Type", Step 112, "UI2 Signal Type", Step 116, “U13 Signal Type”...
  • Page 28 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Humidity Settings (continued) 163. "Humidty Control Mode" Default: Range: OFF, Auto (Automatic humidify and dehumidify), dEHU (dehumidify only), Hu (humidify only) • OFF (Disabled). If selected, the controller disables all humidify and dehumidify functions.
  • Page 29 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Humidity (continued) 170. "NSB Humidif Setpnt" Default: 30% RH Range: 10% RH to 65% RH Increment: 0.5% RH This option appears only if you have selected AuTo, Hu or deHU at Step 163, "Humidty Control Mode", and also nSb at Step 108, "UI1 Signal Type", Step 112, "UI2 Signal Type", Step 116, “U13 Signal Type”...
  • Page 30 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Delta Temperature 177. “Enable Delta Temp Mode” Default: Range: On, OFF Select whether to enable or disable the ΔT control based on the inlet and outlet temperature of the water inside the fan coil unit.
  • Page 31 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Network Sttings (continued) 186. "MSTP Max Master" Default: Range: 1 to 127 Increment: Select the desired MSTP MAX address for the master device. 187. "Copy Config" Default: No (Disable)
  • Page 32 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Network Sttings (continued) 192. "0153000" Default: “current value” Range: 0 to 4194302 Increment: Use the arrow keys to change the value and press the fan button to move to the next digit or press cooling/heating buttons to move to the pre- vious digit.
  • Page 33 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Time (continued) “Set Hours” Range: 00 to 23 hours Increment: 1 hour Select the time in hours. “Set Minutes” Range: 0 to 59 minutes Increment: 1 minute Select the time in minutes.
  • Page 34 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Reset Schedule “Reset Schedul” Default: Range: yES, nO Select whether to reset and delete the scheduled events or not. Network Setup Menu This menu is accessible through normal operation mode. The Mode Selector Jumper (JP1) must be set to the RUN position (Operat i on Mode).
  • Page 35 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Sensor Offset Menu (continued) "VFD Pressur Setpnt" Default: 500 Pa Range: 100 to pressure maximum range Increment: 1 Pa This option appears only if you have selected VFdP at Step 17, "AO1 Ramp", or Step 23, "AO2 Ramp", and P10V at Step 108, "UI1 Signal Type", Step 112, "UI2 Signal Type", Step 116, “U13 Signal Type”...
  • Page 36 SC-RC Smart Communication Room Controllers User Manual Issue Number 7.0 11/05/2022 Humidity Setpoint Display and Adjustment To access the Humidity setpoint, press the fan button for 5 seconds. The humidity setpoint will be displayed for 5 seconds. To adjust the set- point, press the UP and DOWN keys while the setpoint is displayed.

This manual is also suitable for:

Sc-rc1-rht-wbSc-rc2-co2-rht-wb

Table of Contents