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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     

11

 

 
 
 
 

 
 

Installer option “PIR Input Delay” sets the PIR mode (On or Off) and the seek time value (1 to 15 minutes). 
 
 

5.10 

Using the SRC-131 in automatic occupancy Mode -  (School Room Mode) 

Wiring  a  PIR  directly  to  the  door  switch  input  of  the  SRC-131  permits  you  to  use  the  131  to 
automatically  turn  the Air conditioning  on when a  person  enters  the  space  (if seen by the movement detector) 
and automatically turn if off again after a set period of time after they leave the space.  Such as may be useful in 
training rooms that are rarely occupied. 

 

Steps to use the SRC-131 in automatic occupancy detection mode. 
1. 

Wire the PIR movement detector into the DOOR SWITCH input. 

2. 

Set the PIR input delay period to the number of minutes that you wish the Airconditioning to run after 

the last movement has detected in the space. 
3. 

Place a link permanently shorting the PIR input. 

 

5.11 

Manual Occupancy Input 

The DI (Digital Input) & Com 0-10 terminals within the SRC-131 can be used to instantly force the SRC-131 into 
“Un-occupied Mode”. This input can be wired to a simple card reader or other 3

rd 

party system that may be pre-

installed for room occupancy detection. 

 

When  the SRC-131  is  in “Un-occupied  Mode”  the  display  will  go  completely blank  except  for  the words 
“Unoccupied” in the top left. 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 indicates 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 circumstances where this is not convenient, the digital input terminals can be 
assigned  as  a doorbell  switch  with  the  digital  input  options detailed   in   the   installer   menu   on   page   11. 
Simply   place   a   momentary   volt   free   switch across  the  S+  and  S-  terminals  to  activate  the doorbell. Once 
pressed, the doorbell will chime for 10 seconds. 

 
 
 
 
 
 
 

5.13 

Outside Door Station 

When coupled with the    optional SyxthSense door  station  the  guest has the ability to set the room as “Do Not  
Disturb”,  call  for  housekeeping or be alerted to visiting guests with a pleasant  doorbell  chime.   Hotel  staff are 
informed  about  the  room  status or  guest’s  needs  by  text  information displayed on the door station LCD  as 
well as the door station backlight colours. 

 

Connection  between  the  SRC-131 and  the  hotel  door 
station  is  by  the    supplied  1  metre  cable  fitted  with 
RJ12  plugs. Longer  cables  up  to  10  metres  maximum 
can be supplied at extra cost. 

 

When  fitting  the  door  station,  the  SRC-131  DIP  Sw8 
must  be  ON.  The  outside  door  station  will flash all LCD 
segments if DIP Sw8 is in the wrong position.  
 

 
 

5.14 

Automatic Day Set Temperature 

The  SRC-131  can  optionally  reset  the  user  set  point  and  replace  with  an  installer  defined  set  point  after  the 
SRC-131  has  been  off  for  more  than  6  hours.    This  will  typically  happen  after  one  guest  has  checked  and 
before the next guest checks in, but will not generally effect a guest who may turn the thermostat  off for  a few 
hours or so or who may go out for the afternoon. 

 

Option 40 in the installer menu defines this Function. Off or a value between 15 and 30c or 59-86F. 

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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