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CoolAutomation SMT-131 Скачать руководство пользователя страница 15

 
Page 15 
 

Option List Table 

 

 

Option 

Setting 

0 

Buttons Shown 

0: Both mode and fan buttons show (default) 
1: Show mode but fan button hidden 
2: Show fan but mode button hidden 
3: Both mode and fan buttons Hidden 
Note:  If  the  mode  button  is  hidden,  the  service  and 
maintenance staff can turn the SMT-131 on or off by pressing 
and holding the lower left of the LCD for 15 seconds. 2 chirps 
indicate  the  SMT-131  has  turned  ON.  1  chirp  indicates  the 
SMT-131 has turned off (ver 3.03+) 

1 

Permitted Modes 

0: Off / Auto 
1: Off / Auto / Heat / Cool  
2: Off / Heat /Cool 
3: Off / Heat 
4 Off / Cool 
5: Off / Auto (Display current heating or cooling mode) 

2 

Room / Set display 

0: Show room and set temp (default) 
1: Show set temp only 

3 

Native display format 

0: C (default)  
1: F 

4 

C/F button shown on LCD 

0: Off(default)  
1: On 

5 

High temp set limit 

5C-30C or 41F-86F  

6 

Low temp set limit 

5C-30C or 41F-86F  

7 

Dead band 

0C-5.0C or 0F-10.0F in 0.1C/0.1F steps.   
Depending on Option 3 above. 
Data format: Dead band * 10 

8 

Fan Purge Period 

0: OFF 
1: Fan purge - 1 min 
2: Fan purge - 3 min 
3: Fan purge - 5 min 
4: Fan purge - 10 min 
5: Heat only fan purge - 1 min 
6: Heat only fan purge - 3 min 
7: Heat only fan purge - 5 min 
8: Heat only fan purge - 10 min 
9: Cool only fan purge - 1 min 
10: Cool only fan purge - 3 min 
11: Cool only fan purge - 5 min 
12: Cool only fan purge - 10 min 

9 

Fan span  
 

0.5C-3.0C/1.0F-6.0F 0.1C/0.1F steps 
Data format: Fan span * 10 

10 

0-10V Fan Interval   (PI) 

10-300 seconds 10 seconds' steps (60 seconds default) 

11 

0-10V Fan direction 

0: 0 - 10V 

–

 slow to fast (Forward Acting) 

1: 10 to 0V 

–

 slow to fast (Reverse Acting) 

12 

0-10V Fan minimum value 
(Starting  fan  voltage  when 
running) 

0 -10V 
Data format: 0-10V Fan minimum value * 10 

 

 

Содержание SMT-131

Страница 1: ...SMT 131 Manual Ver 2 6 1 6 18 ...

Страница 2: ...in version 3 03 Firmware Version 2 5 Added Fan Relay lock to 0 10 outputs function Firmware Version 40 2 Version 2 6 Added Sensor Speed response Sensor Calibration Firmware 40 4 Index Index 2 Introduction 3 Thermostat operation 3 Installation HVAC Control 4 DIP Switch Settings 5 Wiring HVAC Control 5 Terminal Designations 5 0 10v Outputs 7 Belimo 6 Way Valve 8 2 Pipe Mode 8 Ancillary Functions 9 O...

Страница 3: ... operate and has been designed to not require a user manual The diagram to the left shows all LCD elements and the 7 buttons Up Down Make Up Room Do Not Disturb On Off mode Fan Mode Deg C F Select Depending on switch and installer menu settings not all LCD segments or buttons maybe shown On Off Mode Tap the On Off button to turn the thermostat On or Off and if permitted to select heat only or cool...

Страница 4: ...ply wish this data to be presented to Modbus Installation HVAC Control System Design Great effort has been taken to make the SMT 131 system intuitive reliable and easy to install Using a common sense approach to the installation will ensure this product is installed easily and to the customer s satisfaction Please read and understand this instruction manual so that installation testing and commiss...

Страница 5: ...nt to these DIP switch settings Caution Incorrect adjustment of these DIP switch settings could cause HVAC equipment damage This would NOT be covered by warranty Wiring HVAC Control Terminal Designations Terminal Function C 24V Neutral R 24V Active This voltage is switched back through the relays Hi Indoor Fan High Speed NOT Used in Single fan speed mode Sw 1 OFF Med Indoor Fan Medium Speed NOT Us...

Страница 6: ...function The 24VAC applied to the SMT 131 R terminal is switch back through the 2A relays to the equipment Note the drawing provided here Caution Although the SMT 131 is a robust device wiring errors can potentially damage the thermostat Warranty does NOT cover this damage Take care when wiring 24V near sensor inputs or the Modbus communications terminals ...

Страница 7: ...ON OFF relays the heating and cooling calls may have started slightly before indicated on the thermostat display This is true of the fan also A1 Cool This output is used to control a cooling valve A2 Heat This output is used to control a heating valve A3 Fan This output is used to control a variable speed fan or a variable capacity AC system If the fan mode is set to Auto speed the 0 10V output wi...

Страница 8: ... C from set point The heating and cooling span can be adjusted independently to a maximum of full heating and full cooling 3 C from set point The output is linear Note When using Belimo mode both the A1 cool and the A2 Heat 0 10 output are used Both will provide the same output to the value The A3 fan output will remain unchanged and can be used to control a DC fan or other devices 2 Pipe Mode The...

Страница 9: ...s to automatically control temperature set points The HOT 243 wall controller mounted in the hallway outside of the room provides feedback of the guests needs to housekeeping plus provides a convenient button to activate the SMT 131 internal door bell Regardless of the need to control conferential HVAC systems 2 or 4 pipe fan coils with modulating valves the SMT 131 has the necessary outputs to ac...

Страница 10: ...6 for this setting When the WC terminal and the Com 0V terminal are joined the SMT 131 will alternate FLt with the current room temperature Register 32 will permit a time delay to be set after the fault signal is received if necessary to reduce false trips The fault indication has NO effect on thermostat function Door Switch The Door switch input DS is used by the SMT 131 for 3 functions 1 To dete...

Страница 11: ...occupant to set their desired temperature and mode of operation Once the door is closed the SMT 131 will look for movement as detected by the PIR sensor wired to the PIR input If no movement is seen within the installer pre set seek time installer adjustable 1 to 15 minutes the SMT 131 will return to Un occupied mode where the users temperature and mode will be replaced with installer pre set valu...

Страница 12: ... wired to a simple card reader or other 3rd party system that may be pre installed for room occupancy detection When the SMT 131 is in Un occupied Mode the display will go completely blank except for the words Unoccupied in the top left corner If the optional HOT 243 hall way panel is installed its display backlight will go out to let housekeeping know the room is empty Modbus register 40004 also ...

Страница 13: ... and controls to be remotely supervised and adjusted from a central location if needed Modbus object data can be found on page 14 of this manual The SMT 131 uses a high powered Maxim chipset that will theoretically permit the connection of up to 255 devices on a single Modbus node RF noises and other interferences will reduce the real world permitted connections to a maximum of 150 200 in most cas...

Страница 14: ...hermostat s performance as well as set energy conservation settings This menu is deliberately hidden and difficult to enter to discourage unauthorised tampering The information card provided in the SMT 131 box provides details on how to enter the SMT 131 menu If this is lost please contact Smart Temp or an authorised distributor for support Navigating Through the Installer Mode Settings The bottom...

Страница 15: ...t 1 F 4 C F button shown on LCD 0 Off default 1 On 5 High temp set limit 5C 30C or 41F 86F 6 Low temp set limit 5C 30C or 41F 86F 7 Dead band 0C 5 0C or 0F 10 0F in 0 1C 0 1F steps Depending on Option 3 above Data format Dead band 10 8 Fan Purge Period 0 OFF 1 Fan purge 1 min 2 Fan purge 3 min 3 Fan purge 5 min 4 Fan purge 10 min 5 Heat only fan purge 1 min 6 Heat only fan purge 3 min 7 Heat only ...

Страница 16: ... increments Data format hour 10 23 Un occupied heat Set point 0 OFF 5C 30C 41F 86F 0 5C 1F steps 24 Un occupied cool Set point 0 OFF 5C 30C 41F 86F 0 5C 1F steps 25 Un Occupied fan mode Fan 3 Speed mode 1 Low Auto default 2 Med Auto 3 High Auto 4 Low ON 5 Med ON 6 High ON 26 Backlight 0 On with button press Only Default ver 3 1 1 Always On high 2 Low when standby high when active Default ver 3 1 2...

Страница 17: ...ps 40 Default Start Temp Version Ver 3 3 0 OFF default 15 35C or 59 86F 41 Beeper Version Ver 3 9 0 Off 1 On default 42 Fan Relay Lock Version 40 1 0 Off default 1 On This function locks the Fan relay logic to 0 10V outputs if enabled depending on other settings it may cause fan to start and run before heat or cool calls from the W Y relays 43 Thermostat response to changes in room Temperature Ver...

Страница 18: ...e 69 5 x 46 3mm Backlight White LED Other Colours Available Upon Request Display Type STN Touch Panel Relay Rating 30V 1Amp Max 0 10V Output Load 10mA Max Control Range 5 C to 30 C 41 F to 86 F Memory Type Non Volatile Settings Do Not Require Battery Backup Communications Modbus RTU 4 8K 9 6K 19 2 K 1 Stop Bit 8 Data Bits 1 Start Bit No Parity Plastic ABS Poly Blend UV Stabilised and Fire Rated Wa...

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