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Room Controller Thermostat

Specification & Installation Instructions

TROB24T4XYZ1-120926-ESL.doc 1

VAV Thermostat with BACnet

Communication Port

echnical Data

TROB24T4XYZ1

Inputs 3 Analog input universal (0-10 Vdc or thermistor or digital input dry contact)

Outputs

2 Analog outputs 0-10 Vdc or 2-10 Vdc selectable (2mA max.)

4 Triac output (on/off, pulse 0 or 24 Vac, 250 mA max.),

or 2 Floating output

Power supply 22 to 26 Vac 50/60Hz

Power consumption 1 VA

Set point range 10ºC to 40ºC [50ºF to 104ºF]

External sensor range -40ºC to 100ºC [-40ºF to 212ºF]

Control accuracy Temperature: ±0.4ºC [0.8ºF]

Proportional band 0.5ºC to 5ºC [1ºF to 10ºF] adjustable

Electrical connection 0.8 mm

[18 AWG] minimum

Operating temperature 0ºC to 50ºC [32ºF to122ºF]

Storage & Transport 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]

Interface

%RH

MO TU WE TH FR SA SU

Symbols on display

Cooling ON

33,66,100% output

A: Automatic

Menu set-up Lock

Energy saving mode

Heating ON

33,66,100% output

A: Automatic

Programming mode

(Technician setting)

ºC: Celsius scale

ºF: Fahrenheit scale

Communication

Status

Alarm status

Dimensions

ºF / º C

Dimension Imperial (in) Metric (mm)

2.85 73

B 4.85 123

1.00 24

2.36 60

3.27 83

Features:

 Attractive modern look with large LCD and backlight

 Icons driven information and 1 line of text information

 Selectable analog and digital output

 Precise achieve temperature control with programmable PI function

 Selectable Fahrenheit or Celsius scale

 Manual night set back override

 Multi level lockable access menu and set point

 Selectable internal or external temperature sensor (10 KΩ)

 Change over by contact or external temperature sensor

 Pressure sensor input / air flow program

 Selectable proportional control band and dead band

 Anti-freeze protection

 BACnet

MS/TP @ 9600, 19200, 38400, 76800bps

 Automatic baud rate detection

 Automatic device instance configuration

 Copy and broadcast configuration to other TROB modules

 Selectable device instance and MAC address

TROB24T4XYZ

Summary of content (16 pages)

PAGE 1
Room Controller Thermostat Specification & Installation Instructions VAV Thermostat with BACnet Communication Port ® TROB24T4XYZ1 Features:  Attractive modern look with large LCD and backlight  Icons driven information and 1 line of text information  Selectable analog and digital output  Precise achieve temperature control with programmable PI function  Selectable Fahrenheit or Celsius scale  Manual night set back override  Multi level lockable access menu and set point  Selectable
PAGE 2
TROB24T4XYZ1 Specification & Installation Instructions Mounting Instructions A B C D E CAUTION: Risk of malfunction. Remove power prior to separate thermostat cover from its base. A. Remove the screw (captive) holding the base and the front cover of the thermostat. B. Lift the front cover of the thermostat to separate it from the base. C. Pull wire through the base hole. D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections. E.
PAGE 3
TROB24T4XYZ1 Specification & Installation Instructions Programming Mode When in this mode this symbol is displayed. Please press on button to advance to the next program function, press on button to return to preceding stage and press on button or to change value. You can leave the programming mode at any time, changed values will be recorded.
PAGE 4
TROB24T4XYZ1 Step 9 Display Specification & Installation Instructions Description Set TO1 signal ramp: Display shows “select TO1 signal ramp”. Select which ramp you want for TO1. You can choose: Changeover ramp, Heating ramp 1, Heating ramp 2, Cooling ramp 1, Cooling ramp 2, OFF. Values Note: If “FLT” (floating) has been selected at step #8, the same ramp will be used for TO2. If “PULs” has been selected at step #8, you can only choose Heating ramp 1 or Heating ramp 2.
PAGE 5
TROB24T4XYZ1 Step 15 Display Specification & Installation Instructions Description Set TO2 on-off close position: (If “OnOf” has been selected at step #12) Display shows “select TO2 close percent” and the value of the close position of the TO2 output. Please select at which percentage you want TO2 to close: at 20%, 40%, 60% or 80% of the demand of the ramp that you selected at step # 14.
PAGE 6
TROB24T4XYZ1 Step 22 Display Specification & Installation Instructions Description Set TO4 signal ramp: Display shows “select TO4 signal ramp”. Select which ramp you want for TO4. You can choose: Changeover ramp, Heating ramp 1, Heating ramp 2, Cooling ramp 1, Cooling ramp 2, OFF. Values If “PULs” has been selected at step #21, you can only choose Heating ramp 1 or Heating ramp 2. If you selected pulse signal at step #21 or OFF here, go directly to step #24.
PAGE 7
TROB24T4XYZ1 Step 27 Display Specification & Installation Instructions Description Maximum voltage of AO1output: (Only if “OFF” hasn’t been selected at step #24) Display shows “max vdc analog ao1 output” and the value of the maximum voltage of the AO1 output. Please select the desired value of the maximum voltage of AO1 output. (This is the “span” value) Values Range: 0.0 to 10.0 Volt Increment: 0.1 Volt Default value: 10.0 Volt The maximum value is restricted by the minimum value.
PAGE 8
TROB24T4XYZ1 Step Display Specification & Installation Instructions Description Set AI2 input signal: Display shows “select AI2 input signal”. Select which signal you want for AI2 input. You can choose: (Same as AI1 see step #32) 33 Note: AI1 input signal has priority to AI2, if you have selected the same function AI2 will not be functional. Set AI3 input signal: Display shows “select AI3 input signal”. Select which signal you want for AI3 input.
PAGE 9
TROB24T4XYZ1 Step 41 42 43 44 45 46 47 48 49 Display C Specification & Installation Instructions Description Values Proportional band of changeover ramp: Display shows “control ramp Ch over” and the value of the changeover ramp proportional band, cooling and heating symbols are also displayed. Proportional band range : 0.5 to 5.0ºC [1 to 10ºF] Please select the desired value of changeover ramp proportional band. Increment: 0.5ºC [1ºF] Default value: 2.
PAGE 10
TROB24T4XYZ1 Step 50 Display C Specification & Installation Instructions Description Dead band in cooling ramp2: Display shows “control dead band 2 cooling” and the value of the cooling ramp2 dead band, cooling symbol is also displayed. Please select the desired value of cooling ramp2 dead band. 51 Anti-cycling delay cooling contact (protection for compressor): Display shows “cooling anti cycle minutes” and the value (in minutes) of the delay to activate / reactivate cooling contact.
PAGE 11
TROB24T4XYZ1 Step 59 60 Display Specification & Installation Instructions Description Select “start” address: Display shows “Select begin address”. Select the first address you want to copy to. Values For example if you select MAC address 1 here and 54 in the next step, all the devices from 1 to 54 will receive the configuration of the current device. Select “end” address: Display shows “Select end address”. Select the last address you want to copy to.
PAGE 12
TROB24T4XYZ1 Specification & Installation Instructions Air Flow & BACnet Program Mode (Available when in Operation Mode; DS1-1 OFF position) Push on both and buttons for 5 seconds to access the user air flow program mode. This menu is accessible only If ‘’PrSd’’ or ‘’PrSA’’ has been selected at step #32, 33 or 34. Step Display Description Values Password: Display shows “enter passwrd” and 000. You have 1 minute to enter the password by incrementing or decrementing the blinking digit with and buttons.
PAGE 13
TROB24T4XYZ1 Step Display Specification & Installation Instructions Description Select “end” address: Display shows “Select end address”. Select the last address you want to copy to. You cannot copy to more than 64 addresses at once. B7 Copy config result: Display shows “Copy config succeed” if everything went ok. If not, you will be able to scroll the addresses and see the error message associated with each address.
PAGE 14
TROB24T4XYZ1 Step Display Specification & Installation Instructions Description Air flow K factor: Display shows “adjust airflow kfactor vnom” and the value of the k factor or the V nominal according to your pressure sensor selection (‘’PrSd’’ or ‘’PrSa’’ selected at step #32, 33 or 34) F6 PrSd …V = k√∆P when ∆P=1 (10.00V) PrSa … Vnom =10.00V F7 Please select the desired value of k factor or the V nominal.
PAGE 15
TROB24T4XYZ1 Specification & Installation Instructions Annex – Error Codes for Copy Config Succeed: If there are problems with the copy, user will be able to scroll through the range of addresses to find out the error codes for each address. CC1 In the event that some worked, they will be labelled as “copy config succeed” with the address shown underneath. Program mode error: Display shows “copy config progerr” with the address shown underneath.
PAGE 16
TROB24T4XYZ1 Operation mode Step A Specification & Installation Instructions Description Display At powering up, thermostat will light display and activate all LCD segments during 2 seconds. Illuminating the LCD. To illuminate the LCD, you just have to push onto any of the 4 buttons. LCD will light for 4 seconds. Temperature display In operation mode, thermostat will automatically display temperature read.