Sontay SC-RC Manual de usuario

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SC-RC

Smart Communication Room Controllers User Manual

Issue Number 7.0

11/05/2022

Four Elms Road - Edenbridge

Kent - TN8 6AB - UK

Specification

Supply voltage 24Vac

Supply current 1VA (41.6mA @ 24Vac)

SC-RC1-RHT-WB

Inputs 2 x Universal

0-10Vdc, 10kΩ Thermistor or

dry contact

Outputs 5 x Binary (OptoFET, 250mA max.)

2 x Analog (0-10Vdc, adjustable)

SC-RC2-CO2-RHT-WB

Inputs 4 x Universal

0-10Vdc, 10kΩ Thermistor or

dry contact

Outputs 6 x Binary (OptoFET, 250mA max.)

4 x Analog (0-10Vdc, adjustable)

Common specification

Set point range:

Temperature 10 to 40°C

Humidity 10 to 90% RH

Proportional band 0.5 to 5°C adjustable

Dead band 0.0 to 5°C adjustable

CO2Self-calibrating NDIR

PIR:

Type PIR

Detection 100° angle, 4m distance

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.

BACnet MS/TP, 9600, 19200, 38400 or

76800

Modbus RTU slave, 9600, 19200, 38400 or

57600

Selectable parity & stop bits

Connections 0.8mm² at least

Accuracy:

Temperature ±0.4°C (control)

Humidity ±3.5%RH (control)

CO2±30ppm ±3% of reading

Ambient:

Temperature 0 to 50°C

RH 5 to 95% RH, non-condensing

Storage temperature -30 to +50°C

Housing:

Material ABS

Dimensions 124 x 83 x 20mm (without CO2)

124 x 83 x 24mm (with CO2)

Protection IP30

Country of origin Canada

Conformity EMC, CE & UKCA Marked

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.

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Terminal Description

* = select from any of the following ramps: ** = select from any of the following:

Cooling 1 w/ fan Cool/Heat 1 w/ fan Off Dirty Filter

Cooling 2 w/ fan COR (changeover) w/ fan Override Window & Door Contacts

Heating 1 w/ fan Humidify w/ fan Flow Switch Occupancy & NSB Sensor

Heating 2 w/ fan CO2 Alarm Local/Remote Selector Switch Changeover Input

Heating 2 without fan Off Overheat

Power Supply for Binary Outputs

Using Internal Power Supply for BO’sUsing External Power Supply for BO’s

Interface

Jumper

Line

Voltage

24V

EXT SRC

24V

COM 1

Jumper

Line

Voltage

24V

EXT SRC

24V

COM 1

AM PM

%RH

Network Communication

User Lock

Programming Mode

(Technician Setting)

Alarm Status

Energy Saving Mode

(NSB/OCC)

PM Time

°C

°F

%RH

ºC: Celsius Scale

ºF: Fahrenheit Scale

%RH: Humidity

AAutomatic Mode

Cooling

Heating

Fan

Humidify/

De-humidify

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Smart Communication Room Controllers User Manual

Issue Number 7.0

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Mounting Instructions

CAUTION: Remove power to avoid a risk of malfunction.

A. Remove the captive screw that’s holding the base and the front cover of the unit together.

B. Lift the front cover of the unit to separate it from the base.

C. Pull all wires through the holes in the base.

D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections.

E. Mount the control module on the base and secure using the screw.

Do not use the supplied screws to mount the unit to an electric box or an equivalent device. The supplied screws are only suitable for

mounting the unit to the wall. Ensure to use the appropriate screws for any other application. Tighten by hand only and ensure not

to overtighten the screws.

Programming Mode

The Mode Selector jumper JP1 must be set to the PGM position (Programming Mode). Refer to the Wiring section on page 1. To exit,

set the jumper back to the RUN position (Operation Mode). Advance to the next or return to the previous setting in order to save a

changed value.

Symbols used in this Manual

ABC D E

Setting Value

Advance to next setting

Change value

Return to previous setting

Setting value

Advance to next setting

Change value

Return to previous setting

Icon Description Icon Description Icon Description Icon Description

Temperature

Heating

Cooling

Humidity

Fan

Analog Output 1

Analog Output 2

Analog Output 3

Analog Output 4

Time

Binary Output 1

Binary Output 2

Binary Output 3

Binary Output 4

Binary Output 5

Binary Output 6

BO7

Binary Output 7

UI1

Universal Input 1

UI2

Universal Input 2

UI3

Universal Input 3

UI4

Universal Input 4

Night Set Back

Occupancy

Communication

Valve

Carbon Dioxide

Lock

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Setpoint & User Control

1. “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. This is useful for controllers installed in areas where the tem-

perature read is slightly different than the room’s actual temperature. For example, a controller placed right under the air diffuser.

2. “User Setpnt Minimum”

Default: 15ºC (59ºF)

Range: 10 to 40ºC (50 to 104ºF)

Increment: 0.5ºC (1.0ºF)

In Operation mode, you cannot decrease the setpoint to less than the value set as the minimum user point. The minimum value is restricted by

the maximum value set at Step 3, “User Setpnt Maximum”. In other words, the value that is set as the minimum cannot be greater than the

maximum value.

3. “User Setpnt Maximum”

Default: 30ºC (86ºF)

Range: 10 to 40ºC (50 to 104ºF)

Increment: 0.5ºC (1.0ºF)

In Operation mode, you cannot increase the setpoint to more than the value set as the maximum user point. The maximum value is restricted

by the minimum value set at Step 2, “User Setpnt Minimum”. In other words, the value that is set as the maximum cannot be less than the

minimum value.

4. “User Setpnt locked”

Default: No (Unlocked)

Range: No (Unlocked), yES (Locked)

If set to No, the user setpoint option is not locked and the user can adjust the desired temperature setpoint. If set to yES, the user setpoint

option is locked and the user cannot set the desired temperature setpoint. A lock symbol appears to indicate that the setpoint is locked.

5. “User Setpnt”

Default: 22ºC (72ºF)

Range: 10 to 40ºC (50 to 104ºF)

Increment: 0.5ºC (1.0ºF)

Set the desired temperature setpoint within the defined range. If the setpoint option was locked at Step 4, “User Setpnt locked”, a lock symbol

is displayed. The setpoint value is restricted by the minimum at Step 2, “User Setpnt Minimum” and maximum at Step 3, “User Setpnt Maxi-

mum” values. In other words, the setpoint should be within the minimum and maximum setpoint range.

6. “Temp Control Mode”

Default: Auto (Automatic)

Range: Auto (Automatic), HEAt (Heating Only), COOL (Cooling Only), On (Cooling or Heating), CLHt (Automatic only)

Select the control mode that you want to authorize to the user. To authorize all the available modes, select Auto (Automatic Mode). The cooling

and heating symbols are also displayed. The selection made at this step determines the options available via the Control Mode (see page 33).

7. “Enable On Off Control Mode”

Default: yES (Enable)

Range: yES (Enable), No (Disable)

If set to yES, the user can set the unit to “Off” via the Control Mode (see page 33). If set to No, the “Off” selection does not appear in the Con-

trol Mode.

8. "Display Info"

Default: t - Hu %RH °C (temperature, humidity, and cooling heating demand)

Range: t - Hu %RH °C (temperature, humidity), StP %RH °C (temperature, humidity setpoint), OFF (no display),

t - Hu %RH °C (temperature, humidity, and cooling heating demand), StP %RH °C (temperature, humidity setpoint, and cooling

heating demand)

Select the desired information to appear on the display.

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Keypad Lock Settings

9. “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.

10. “Keypad Lower Left Locked”

Default: No (Disable)

Range: yES (Enable), No (Disable)

If set to yES, the cooling/heating button is locked and cannot be used by the user. If set to No, the cooling/heating button is unlocked and can

be used by the user.

11. “Keypad Arrows Locked”

Default: No (Disable)

Range: yES (Enable), No (Disable)

If set to yES, the UP and DOWN buttons are locked and cannot be used by the user. If set to No, the UP and DOWN buttons are unlocked and

can be used by the user.

Heat Pump Settings

12. "Heat Pump Option"

Default: OFF (Disable)

Range: ON (Enable), OFF (Disable)

Enable or disable the heat pump option.

If you select OFF:

• Heat Pump options (Steps 13 to 15 and 49) will not be available.

• Binary Output ramps (Steps 50, 57, 63, 70, 76 and 82) will be available.

If you select ON:

• Heat Pump options (Steps 13 to 15 and 49) will be available.

• Binary Output ramps (Steps 50 to 57, 63, 70, 76 and 82) will not be available.

13. "Revers Valve O/B"

Default: o

Range: o, b

This option appears only if you have selected ON at Step 12, "Heat Pump Option". Set the mode in which the reversing valve is energized;

cooling mode (o) or heating mode (b). The cooling symbol is displayed if you select (o) and heating symbol is displayed if you select b.

14. "EMH Output"

Default: dIS (Disable)

Range: dIS (Disable), ENA (Enable)

This option appears only if you have selected ON at Step 12, "Heat Pump Option". Select ENA to enable emergency heat (EMH) outputs W1

and W2, and the EMH option via the Control Mode (see page 33). Select dIS to disable EMH availability. The heating symbol is also displayed.

If you select dIS, Step 15, "EMH Auto Mode" will not be available.

If you select ENA, Step 15, "EMH Auto Mode" will be available.

15. "EMH Auto Mode"

Default: NO (Disable)

Range: YES (Enable), NO (Disable)

This option appears only if you have selected ENA at Step 14, "EMH Output". If you select YES, the emergency heat (EMH) will be operational

in Automatic mode. If you select NO, the EMH will not be operational in Automatic mode. The heating symbol is also displayed.

Valve Settings

16. “Valve Size”

Default: 1”

Range: ½”, ¾”, 1”

Select the desired valve size in inches for the 6-way valve from the available options.

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Analog Output 1 (AO1)

17. "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.

• Cr1 (Cooling Ramp 1) or Cr2 (Cooling Ramp 2). The Cr1 and Cr2 ramps are used for cooling. If selected, the controller performs cool-

ing based on the cooling proportional, integral, and dead band values.

• Hr1, Hr2 (heat with fan), or Hr2 (heat without fan). The Hr1 and Hr2 ramps are used for heating. If selected, the controller performs

heating based on the heating proportional, integral, and dead band values.

• CH1 (Cooling and Heating). If selected, the controller performs cooling regularly. If another output is set to heat, it performs heating

regularly.

• HU (Humidify). If selected, the controller modulates the output based on the humidify demand.

• CO2 (Carbon dioxide). If selected, the controller will activate or deactivate the output based on carbon dioxide levels.

• 6W (6-way Valve). If selected, the controller will modulate the 6-way valve depending on the heating or cooling demand.

• dto (Delta temperature control). If selected, the controller will modulate the ΔT control based on the inlet and outlet temperature of the

water inside the fan coil unit.

• VFdt (VFD Temp Loop). If selected, the controller will modulate the VFD fan based on the selected temperature input.

• VFdP (VFD Pressure Loop). If selected, the controller will modulate the static pressure based on the reading and the pressure setpoint.

• OFF. If selected, the controller does not use the output.

• COr (Changeover). If selected, the controller will modulate heating and cooling, as appropriate.

If you select OFF, Steps 18 to 22 will not be available.

If you select VFdt or VFdP, Steps 42 to 48 will not be available.

If you select CH1, Step 41, "Minimum Cool 1 Heat 1 Percent" will be available.

18. "AO1 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 AO1 is set to OFF (Step 17, "AO1 Ramp"). Select the desired minimum voltage (“zero” value)

for the AO1 ramp. The minimum value is restricted by the maximum value at Step 19, "AO1 Maximum Voltage". In other words, the minimum

value should be less than the maximum value.

19. "AO1 Maximum Voltage"

Default:1 0.0 Volts

Range: 0.0 to 10.0 Volts

Increment: 0.1 Volt

This option does not appear if the signal ramp for AO1 is set to OFF (Step 17, "AO1 Ramp"). Select the desired maximum voltage (“span”

value) for the AO1 ramp. The maximum value is restricted by the minimum value at Step 18, "AO1 Minimum Voltage". In other words, the max-

imum value should not be less than the minimum value.

Cr1

Cr2

Hr1

Hr2 (with fan)

Hr2 (without fan)

CH1

CO2

dto

VFdt

VFdP

OFF

COr

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Analog Output 1 (AO1) (continued)

20. "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. When set to MIN, the output will remain at the minimum voltage level defined by Step 18, "AO1 Minimum Voltage". When set to

OFF, the output will remain at 0V.

21. "AO1 Dirrev"

Default: dir (Direct)

Range: dir (Direct), rEV (Reverse)

This option does not appear if the signal ramp for AO1 is set to OFF (Step 17, "AO1 Ramp"). Set the direction of the analog signal to either

Direct (e.g. 0 to 10Vdc), or Reverse (e.g. 10 to 0Vdc).

22. “AO1 Signal Type”

Default: ANLg (Analog Output)

Range: ANLg (Analog Output), OnOF (On/Off), PuLs (Pulsing)

This option does not appear if the signal ramp for AO1 is set to OFF (Step 17, "AO1 Ramp"). Set the signal type for AO1 to either Analog Out-

put, On/Off or Pulsing.

Analog Output 2 (AO2)

23. "AO2 Ramp"

Default: Hr1 (Heating Ramp 1)

Range: Cr1, Cr2, Hr1, Hr2 (heat with fan), Hr2 (heat without fan), CH1, HU, CO2, 6W, dto, VFdt, VFdP, FAN, OFF, COr

Select the desired signal from the available options. The AO1 input signal has priority over AO2.

• Cr1 (Cooling Ramp 1) or Cr2 (Cooling Ramp 2). The Cr1 and Cr2 ramps are used for cooling. If selected, the controller performs cool-

ing based on the cooling proportional, integral, and dead band values.

• Hr1, Hr2 (heat with fan), or Hr2 (heat without fan). The Hr1 and Hr2 ramps are used for heating. If selected, the controller performs

heating based on the heating proportional, integral, and dead band values.

• CH1 (Cooling and Heating). If selected, the controller performs cooling regularly. If another output is set to heat, it performs heating

regularly.

• HU (Humidify). If selected, the controller modulates the output based on the humidify demand.

• CO2 (Carbon dioxide). If selected, the controller will activate or deactivate the output based on carbon dioxide levels.

• 6W (6-way Valve). If selected, the controller will modulate the 6-way valve depending on the heating or cooling demand.

• dto (Delta temperature control). If selected, the controller will modulate the ΔT control based on the inlet and outlet temperature of the

water inside the fan coil unit.

• VFdt (VFD Temp Loop). If selected, the controller will modulate the VFD fan based on the selected temperature input.

• VFdP (VFD Pressure Loop). If selected, the controller will modulate the static pressure based on the reading and the pressure setpoint.

• FAN. The FAN option is available only if you selected OFF at Step 12, "Heat Pump Option". If selected, the controller modulates the

output based on the Fan demand.

• OFF. If selected, the controller does not use the output.

• COr (Changeover). If selected, the controller will modulate heating and cooling, as appropriate.

If you select OFF, Steps 24 to 28 will not be available.

If you select VFdt or VFdP, Steps 42 to 48 will not be available.

If you select CH1, Step 41, "Minimum Cool 1 Heat 1 Percent" will be available.

If you select FAN, Step 42, "Fan Spd Signal" will not be available

Cr1

Cr2

Hr1

Hr2 (with fan)

Hr2 (without fan)

CH1

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Analog Output 2 (AO2) (continued)

24. "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. The minimum value is restricted by the maximum value at Step 25, "AO2 Maximum Voltage". In other words, the minimum

value should be less than the maximum value.

25. "AO2 Maximum Voltage"

Default: 10.0 Volts

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 maximum voltage (“span”

value) for the AO2 ramp. The maximum value is restricted by the minimum value at Step 24, "AO2 Minimum Voltage". In other words, the max-

imum value should not be less than the minimum value.

26. "AO2 Off Voltage"

Default: MIN (Minimum voltage)

Range: MIN (Minimum voltage), OFF (0 Volt)

This option does not appear if the signal ramp for AO2 is set to OFF (Step 23, "AO2 Ramp"). Set the analog output voltage when the controller

is turned off. When set to MIN, the output will remain at the minimum voltage level defined by Step 24, "AO2 Minimum Voltage". When set to

OFF, the output will remain at 0V.

27. "AO2 Dirrev"

Default: dir (Direct)

Range: dir (Direct), rEV (Reverse)

This option does not appear if the signal ramp for AO2 is set to OFF (Step 23, "AO2 Ramp"). Set the direction of the analog signal to either

Direct (e.g. 0 to 10Vdc), or Reverse (e.g. 10 to 0Vdc).

28. “AO2 Signal Type”

Default: ANLg (Analog Output)

Range: ANLg (Analog Output), OnOF (On/Off), PuLs (Pulsing)

This option does not appear if the signal ramp for AO2 is set to OFF (Step 23, "AO2 Ramp"). Set the signal type for AO2 to either Analog Out-

put, On/Off or Pulsing.

Analog Output 3 (AO3)

29. “AO3 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 signal from the available options. The AO1 and AO2 input signals have priority over AO3.

• Cr1 (Cooling Ramp 1) or Cr2 (Cooling Ramp 2). The Cr1 and Cr2 ramps are used for cooling. If selected, the controller performs cool-

ing based on the cooling proportional, integral, and dead band values.

• Hr1, Hr2 (heat with fan), or Hr2 (heat without fan). The Hr1 and Hr2 ramps are used for heating. If selected, the controller performs

heating based on the heating proportional, integral, and dead band values.

CO2

FAN

dto

VFdt

VFdP

OFF

COr

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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.

• HU (Humidify). If selected, the controller modulates the output based on the humidify demand.

• CO2 (Carbon dioxide). If selected, the controller will activate or deactivate the output based on carbon dioxide levels.

• 6W (6-way Valve). If selected, the controller will modulate the 6-way valve depending on the heating or cooling demand.

• dto (Delta temperature control). If selected, the controller will modulate the ΔT control based on the inlet and outlet temperature of the

water inside the fan coil unit.

• OFF. If selected, the controller does not use the output.

• COr (Changeover). If selected, the controller will modulate heating and cooling, as appropriate.

If you select OFF, Steps 30 to 34 will not be available.

If you select CH1, Step 41, "Minimum Cool 1 Heat 1 Percent" will be available.

30. “AO3 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 AO3 is set to OFF (Step 29, “AO3 Ramp”). Select the desired minimum voltage (“zero” value)

for the AO3 ramp. The minimum value is restricted by the maximum value at Step 31, “AO3 Maximum Voltage”. In other words, the minimum

value should be less than the maximum value.

31. “AO3 Maximum Voltage”

Default: 10.0 Volts

Range: 0.0 to 10.0 Volts

Increment: 0.1 Volt

This option does not appear if the signal ramp for AO3 is set to OFF (Step 29, “AO3 Ramp”). Select the desired maximum voltage (“span” val-

ue) for the AO3 ramp. The maximum value is restricted by the minimum value at Step 30, “AO3 Minimum Voltage”. In other words, the maxi-

mum value should not be less than the minimum value.

32. "AO3 Off Voltage"

Default: MIN (Minimum voltage)

Range: MIN (Minimum voltage), OFF (0 Volt)

This option does not appear if the signal ramp for AO3 is set to OFF (Step 29, “AO3 Ramp”). Set the analog output voltage when the controller

is turned off. When set to MIN, the output will remain at the minimum voltage level defined by Step 30, “AO3 Minimum Voltage”. When set to

OFF, the output will remain at 0V.

33. “AO3 Dirrev”

Default: dir (Direct)

Range: dir (Direct), rEV (Reverse)

This option does not appear if the signal ramp for AO3 is set to OFF (Step 29, “AO3 Ramp”). Set the direction of the analog signal to either

Direct (e.g. 0 to 10Vdc), or Reverse (e.g. 10 to 0Vdc).

34. “AO3 Signal Type

Default: ANLg (Analog Output)

Range: ANLg (Analog Output), OnOF (On/Off), PuLs (Pulsing)

This option does not appear if the signal ramp for AO3 is set to OFF (Step 29, “AO3 Ramp” ). Set the signal type for AO3 to either Analog

Ouptut, On/Off or Pulsing.

Cr1

Cr2

Hr1

Hr2 (with fan)

Hr2 (without

fan)

CH1

CO2

dto

OFF

COr

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Analog Output 4 (AO4)

35. “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. Same as AO3 options. The AO1, AO2 and AO3 input signals have priority over AO4.

If you select OFF, Steps 36 to 40 will not be available.

36. “AO4 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 AO4 is set to OFF (Step 35, “AO4 Ramp”). Select the desired minimum voltage (“zero” value)

for the AO4 ramp. The minimum value is restricted by the maximum value at Step 37, “AO4 Maximum Voltage”. In other words, the minimum

value should be less than the maximum value.

37. “AO4 Maximum Voltage”

Default: 10.0 Volts

Range: 0.0 to 10.0 Volts

Increment: 0.1 Volt

This option does not appear if the signal ramp for AO4 is set to OFF (Step 35, “AO4 Ramp”). Select the desired maximum voltage (“span” val-

ue) for the AO4 ramp. The maximum value is restricted by the minimum value at Step 36, “AO4 Minimum Voltage”. In other words, the maxi-

mum value should not be less than the minimum value.

38. "AO4 Off Voltage"

Default: MIN (Minimum voltage)

Range: MIN (Minimum voltage), OFF (0 Volt)

This option does not appear if the signal ramp for AO4 is set to OFF (Step 35, “AO4 Ramp”). Set the analog output voltage when the controller

is turned off. When set to MIN, the output will remain at the minimum voltage level defined by Step 36, “AO4 Minimum Voltage”. When set to

OFF, the output will remain at 0V.

39. “AO4 Dirrev”

Default: dir (Direct)

Range: dir (Direct), rEV (Reverse)

This option does not appear if the signal ramp for AO4 is set to OFF (Step 35, “AO4 Ramp”). Set the direction of the analog signal to either

Direct (e.g. 0 to 10Vdc), or Reverse (e.g. 10 to 0Vdc).

40. “AO4 Signal Type”

Default: ANLg (Analog Output)

Range: ANLg (Analog Output), OnOF (On/Off), PuLs (Pulsing)

ANLg (Analog Output), OnOF (On/Off), PuLs (Pulsing)

This option does not appear if the signal ramp for AO4 is set to OFF (Step 35, “AO4 Ramp”). Set the signal type of the AO4 to either Analog

Output, On/Off or Pulsing.

41. "Minimum Cool 1 Heat 1 Percent"

Default: 0 %

Range: 0 to 100%

Increment: 5 %

This option appears if you have selected CH1 at Step 17, "AO1 Ramp", Step 23, "AO2 Ramp", Step 29, “AO3 Ramp” or Step 35, “AO4 Ramp”.

Set the percentage at which the controller sets the CH1 output during heating, provided another output has also been set to heating.

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