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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.
