Neptronic TROB24 Programmable Thermostat Product Specifications Guide

Neptronic TROB24 Programmable Thermostat

Features

• Attractive modern look with a large LCD and backlight
• Icons-driven information and 1 line of text information
• 2 Pipes Analog, ON/OFF or Floating or
• Pipes Analog, ON/OFF with local re-heat function
• Auto fan and ON/OFF function enable or disable
• 7 days of programming logic
• 2 or 4 daily independent time schedules and temperature
• AM-PM or 24-hour time display
• Temporary override pr program  temperature
• Selectable internal or external temperature sensor
• Changeover by contact or external temperature sensor
• Celsius or Fahrenheit scale selectable
• Anti-freez protection

Technical Data	TFC24F3XYZ3
Inputs	1 Analog input (external temperature sensor 10Kohms)
	1 Analog input (change over 10Kohms or dry contact)
Outputs	1 Fan analog or 3 Fan speed dry contracts 24Vac, 1A max 3A in-rush
	2 Analog outputs (cooling and/or heating 0-10Vdc)
	1 Analog output (local reheat 0-10Vdc )
	2 Triacs output (cooling and/or heating) 24Vac, 0.3A max fused / triac
	1 Triacs output (local reheat) 24Vac, 0.3A max fused / triac
Power supply	22 to 26 Vac 50/60Hz
Power consumption	1 VA max
Set point range	10ºC to 40ºC [50ºF to 104ºF]
Control accuracy	Temperature: ±0.4ºC [0.8ºF]
Proportional band	0.5ºC to 5ºC [1ºF to 10ºF] adjustable (heat/cool/reheat independent)
Dead band	0.3ºC to 5ºC [0.6ºF to 10ºF] adjustable (heat/cool/reheat independent)
Electrical connection	0.8 mm2 [18 AWG] minimum
Operating temperature	0ºC to 50ºC [32ºF to 122ºF]
Storage temperature	-30ºC to 50ºC [-22ºF to 122ºF]
Relative Humidity	5 to 95 % non condensing
Degree of protection of housing	IP 30 (EN 60529)
Weight	160 g. [0.36 lb]

Presentation

Dimensions

Dimension	Inches	Metric (mm)
A	2.85	73
B	4.85	123
C	1.00	24
D	2.36	60
E	3.27	83

Mounting Instructions

CAUTION: Risk of malfunction. Remove power prior to separating the thermostat cover from its base.

• Remove the screw (captive) holding the base and the front cover of the thermostat.
• Lift the front cover of the thermostat to separate it from the base.
• Pull the wire through the base hole.
• Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections.
• Mount the control module on the base and secure using the screw.

Terminal Description

2 Pipe

Analog

On/Off

Floating

Terminals

Fan option

analog

1 spd

2 spd

3 spd

analog

1 spd

2 spd

3 spd

analog

1 spd

2 spd

3 spd

TB1

1

Common

Common

Common

Common

2

24 Vac

24 Vac

24 Vac

24 Vac

3

Common Triac

Common Triac

Common Triac

Common Triac

4

Triac output 1 (TO1)

Floating output 1

–

2 Pipe on/off

2 Pipe floating (close)

5

Triac output 2 (TO2)

–

–

2 Pipe floating (open)

6

Triac output 3 (TO3) Reheat

Local reheat (optional) (on/off or pulse)

Local reheat (optional) (on/off or pulse)

Local reheat (optional) (on/off or pulse)

7

Common Relay

–

Common Relay

–

Common Relay

–

Common Relay

8

Digital output 1 (DO1)

–

–

–

High

–

–

–

High

–

–

–

High

9

Digital output 2 (DO2)

–

–

High

Med

–

–

High

Med

–

–

High

Med

10

Digital output 3 (DO3) / Analog Fan Speed (AO4)

Fan analog

1 spd

Low

Low

Fan analog

1 spd

Low

Low

Fan analog

1 spd

Low

Low

11

Not used

–

–

–

12

External Temp. Sensor (AI1)

External Temp. Sensor (optional)

External Temp. Sensor (optional)

External Temp. Sensor (optional)

13

External Changeover (AI2)

External Changeover

External Changeover

External Changeover

14

Analog output 1 (AO1)

2 Pipe analog

–

–

15

Analog output 2 (AO2)

–

–

–

16

Analog output 3 (AO3) Reheat

Local reheat analog (optional)

Local reheat analog (optional)

Local reheat analog (optional)

4 Pipe

Cool & Heat Analog

Cool & Heat On/Off

Cool Analog-Heat On/Off or pulse

Cool On/Off – Heat Analog

Terminals

Fan option

analog

1 spd

2 spd

3 spd

analog

1 spd

2 spd

3 spd

analog

1 spd

2 spd

3 spd

analog

1 spd

2 spd

3 spd

TB1

1

Common

Common

Common

Common

Common

2

24 Vac

24 Vac

24 Vac

24 Vac

24 Vac

3

Common Triac

Common Triac

Common Triac

Common Triac

Common Triac

4

Triac output 1 (TO1)

Floating output 1

–

4 Pipe on/off cool

–

4 Pipe on/off cool

5

Triac output 2 (TO2)

–

4 Pipe (on/off or pulse) heat

4 Pipe (on/off or pulse) heat

–

6

Triac output 3 (TO3) Reheat

Local reheat (optional) (on/off or pulse)

Local reheat (optional) (on/off or pulse)

Local reheat (optional) (on/off or pulse)

Local reheat (optional) (on/off or pulse)

7

Common Relay

–

Common Relay

–

Common Relay

–

Common Relay

–

Common Relay

8

Digital output 1 (DO1)

–

–

–

High

–

–

–

High

–

–

–

High

–

–

–

High

9

Digital output 2 (DO2)

–

–

High

Med

–

–

High

Med

–

–

High

Med

–

–

High

Med

10

Digital output 3 (DO3) / Analog Fan Speed (AO4)

Fan analog

1 spd

Low

Low

Fan analog

1 spd

Low

Low

Fan analog

1 spd

Low

Low

Fan analog

1 spd

Low

Low

11

Not used

–

–

–

–

12

Ext. Temp Sensor (AI1)

External Temp. Sensor (optional)

External Temp. Sensor (optional)

External Temp. Sensor (optional)

External Temp. Sensor (optional)

13

External Changeover (AI2)

–

–

–

–

14

Analog output 1 (AO1)

4 Pipe analog cool

–

4 Pipe analog cool

–

15

Analog output 2 (AO2)

4 Pipe analog heat

–

–

4 Pipe analog heat

16

Analog output 3 (AO3) Reheat

Local reheat analog (optional)

Local reheat analog (optional)

Local reheat analog (optional)

Local reheat analog (optional)

Settings on PC Board

Programming Mode

When in this mode this symbol is displayed. Please press the button to advance to the next program function, press the button to return to the preceding stage, and press the button to change the value. You can leave the programming mode at any time, changed values will be recorded.

Scheduling Mode (Available when in Operation Mode; JP3 set on RUN)

Push the button for 5 seconds to access the user schedule menu. When in this mode, this symbol is displayed. Press on the button to advance to the following program function, press on the button to return to the previous step, and press on the or button to change the value. The system will exit the menus and return to normal function if you navigate through the entire menu or if no button is pressed for 5 minutes, changed values will be saved.

Operation Mode

Recycling at end of life

At end of its life, please return the thermostat to your Neptronic® local distributor for recycling. If you need to find the nearest Neptronic® authorized distributor, please consult www.neptronic.com.

REFERENCE:

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Neptronic TROB24 Programmable Thermostat Product Specifications Guide

Neptronic TROB24 Programmable Thermostat Product Specifications Guide