42
30. 07. 20. Document Number 671760
Nuaire |
Western Industrial Estate
|
Caerphilly
|
CF83 1NA
|
nuaire.co.uk
BPS V-CO
Installation Manual
10.2.4 Room Humidity
The ESC-RM-2-TDH-120 model includes a push button on the face of
the network sensor to allow occupants to view the temperature and
relative humidity of the zone. Pressing the push button toggles between
temperature and RH on the LCD. The LCD defaults to temperature 5
seconds after the push button is released. Following this procedure to
permanently change the default display:
•
If the display backlight is off, press and release the push button
to illuminate the backlight. If the display backlight is already on,
proceed to Step 2.
•
Press and hold the push button for 5 seconds to switch to the
desired default display (either temperature or RH). Note: The
desired default display will flash for 5 seconds. After the display
stops flashing, the new default display is in effect.
•
Release the push button; the desired display is now the new
default display.
The humidity setpoint cannot change via RM sensors. This must be
changed through a commissioning tool.
10.3 Installation
10.3.1 Removing Rear Cover
•
Use a pozi screwdriver to loosen the screw on the top of the unit.
•
Insert a coin into the slot next to the security screw location,
pressing the tab that keeps the unit closed. Then carefully pry the
top edge of the sensor assembly away from its mounting base and
remove.
10.3.2 Modular Jack
For the modular jack, simply snap the wiring plug into the jack. A
modular jack requires a straight-through, one-to-one connection (not a
crossover). See interconnection section for details.
10.3.3 Room Module Wiring
If RJ12 cables are not used, the screw terminal connections on the
Room Modules can be used.
Screw Terminal Block
Network Sensor
The CO2 sensor can
connect either through
screw terminals or the
modular jack but a
24VAC/DC supply must
be provided in either
case.
SA+ SA-
Bus Com
24 VAC/VDC Power Supply
SA Power from Controller (15 VDC)
SA Bus
(Brown)
24V
(Grey)
+
-
SA COM
SA
PWR
H
OT
COM
38
CO2 Sensor Wiring
SA+ SA-
Bus Com
SA Power from Controller (15 VDC)
SA Bus
Screw Terminal Block
Network Sensor
+
-
COM
SA
PWR
39
Standard Sensor Wiring
10.3.4 Room Module Dimensions
80
80
35
120
80
35
40
Sensor Dimensions (mm)
