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Online Store: 

www.syxthsense.com

 

 

Copyright 

 2016 SyxthSense Ltd. 

 

 

 

Enquiries: T: 

0844 840 3100

 F: 

0844 840 3200

 

 

SRC-131 Hotel Controller Manual     

14

 

 
 
 
 

 

6.2 

Option List Table 

 

Option 

Setting 

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 SRC-131 on or off by pressing and holding the lower left of 
the LCD for 15 seconds. 2 chirps indicates  the  SRC-131  has  turned  ON.  1 
chirp  indicates  the SRC-131 has turned off  (ver 3.03+) 

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) 

Room / Set display 

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

Native display format 

0: C (default) 1: F 

C/F button shown on LCD  0: Off(default) 1: On 

High temp set  limit 

5C-30C/41F-86F 

Low temp set limit 

5C-30C/41F-86F 

Dead band 

0C-5.0C/0F-10.0F 0.1C/0.1F steps 

Data format : 

Dead band * 10 

Fan Purge Period 

0: OFF 
1: Fan purge - 1 min 

    

   

 

    

   

 

    

 

 

 

      

 

   

 

      

     

 

      

 

   

 

      

 

 

 

 

      

 

   

 

      

 

   

 

      

 

   

 

      

 

 

 

 

Fan span (3 speed relays)  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 
1: 10 to 0V – slow to fast 

12 

0-10V Fan minimum value 
(minimum 

fan

 

 

 

 

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

13 

0-10V Fan Maximum value 
(Maximum          fan     

  

 

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

14 

Heat span 

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

15 

0-10V Heat interval  (PI) 

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

16 

0-10V Heat direction 

0: 10V is 100% open  (forward acting) 
1: 0V is 100% open n(reverse acting) 

17 

0-10V 

Heat

 

minimum 

 

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

18 

Cool span 

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

19 

0-10V Cool interval  (PI) 

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

20 

0-10V Cool direction 

0: 10V is 100% open  (forward acting) 
1: 0V is 100% open n(reverse acting) 

21 

0-10V 

Cool

 

minimum 

 

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

22 

Auto Off Timer 

0: No auto off timer 
1-10hours 0.5 hour 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) 

    
    
    
    
   

Summary of Contents for SRC-131

Page 1: ...SRC 131 Modbus Hotel Room Controller User Manual SyxthSense Ltd 3 Topsham Units Dart Business Park Topsham Exeter Devon EX3 0QH United Kingdom Tel 0844 840 3100 Fax 0844 840 3200 www syxthsense com...

Page 2: ...ies for which SyxthSense Limited has a right to use The contents are copyrighted and must not be communicated in whole or in part to any other party without the prior written approval of SyxthSense Li...

Page 3: ...8 4 9 BELIMO 6 WAY VALVE 8 4 10 2 PIPE MODE 8 5 WIRING EXAMPLES ANCILLARY FUNCTIONS 9 5 1 COMPLETE SYSTEM OVERVIEW 9 5 2 OCCUPANCY DETECTION 9 5 3 WINDOW CONTACT 9 5 4 FAULT INDICATION 10 5 5 DOOR SWI...

Page 4: ...pending on switch and installer menu settings not all segments maybe shown On Off Tap the On Off button to turn the thermostat On or Off and If permitted to select heat only or cool only mode To ensur...

Page 5: ...temperature sensor 3 4 DIP Switch Settings Switch Function On Off Sw1 Indoor Fan Mode 3 Fan Speed 1 Fan Speed Sw2 Equipment Type Heat Pump Heat Cool Sw3 HP Mode Sw2 ON HC Mode Sw2 OFF Rev Valve Heat B...

Page 6: ...or Switch Monitors room door status for occupancy detection see page 11 PIR PIR Movement sensor input for occupancy detection see page 11 The SRC 131 is powered by 24VAC and requires the 24VAC active...

Page 7: ...s actions The SRC 131 displays the relay actions more than the actions of the 0 10V outputs on the LCD In most cases these are very closely matched however as the 0 10v outputs have the capability of...

Page 8: ...this manual As with normal valves the 0 10V heating and cooling span settings in the installer menu scale the heating and cooling outputs Factory default is full heating and full cooling 1 C from set...

Page 9: ...control conferential HVAC systems 2 or 4 pipe fan coils with modulating valves the SRC 131 has the necessary outputs to achieve your control needs 5 2 Occupancy Detection The SRC 131 has sophisticate...

Page 10: ...The text OFF will flash in the display to indicate that the remote door or window switch is holding the SRC 131 in off mode This is done to prevent energy waste by trying to heat or cool an open room...

Page 11: ...ndicates occupancy status 5 12 Doorbell A built in doorbell feature is included with the SRC 131 controller This is normally activated by the optional door station or via Modbus data link In circumsta...

Page 12: ...additional functions within the SRC 131 controller It also permits all modes functions and controls to be remotely supervised and adjusted from a central location if needed Modbus object data can be...

Page 13: ...nu are 1 Ensure that the controller is OFF 2 Tap top left of the LCD then tap top right of the LCD then press and hold the centre of the LCD for 5 seconds 6 1 Navigating Through The Installer Mode Set...

Page 14: ...span 3 speed relays 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...

Page 15: ...ps ver 3 3 changed 0 60min 36 Reset Fan 0 Off 1 On 37 Belimo Mode 0 Off 1 On 38 Modbus Address 1 255 39 Baud rate 1 4800bps 2 9600bps default 40 Default Start Temp Version 3 3 0 OFF default 15 35C or...

Page 16: ...Online Store www syxthsense com Copyright 2016 SyxthSense Ltd Enquiries T 0844 840 3100 F 0844 840 3200 SRC 131 Hotel Controller Manual 16 Holding Registers and entering the address simply as 12...

Page 17: ...Low Speed Ventilation 1 or 3 Fan Speed 2 Med Speed Ventilation 3 Fan Speed Only 3 High Speed Ventilation 3 Fan Speed only 4 Air Conditioning ON 1 or 3 Fan Speed 40008 Read Write Fan Status 3 Fan Speed...

Page 18: ...t 0 Off 5 C to 30 C in 0 5 C Steps 41 F to 86 F in 1 F Steps Value 10 e g 17 C Unoccupied Heat 170 40023 Read write Unoccupied Cool Set Point 0 Off 5 C to 30 C in 0 5 C Steps 41 F to 86 F in 1 F Steps...

Page 19: ...7 3v send 1073 40041 Read Write 0 10V Cool Value Value 10 e g 7 3V 73 To write add 10 e g to write 7 3v send 1073 Values below only apply to version 2 hardware only Firmware version 3 40043 Read Write...

Page 20: ...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 Requir...

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