BAPI RµPS Style Room Units Catalog Page
RµPS Style Room Units (BA/RuPS)
Installation & Operating Instructions
10097_ins_rups
Product Identication and Overview
The RµPS room temperature sensor comes in a Delta Style Enclosure
with Display, Setpoint Adjustment and Occupancy Override. The Setpoint
Adjust is a vertical slidepot which provides an analog output and comes
with a Warm/Cool legend imprinted on the unit’s base (Other setpoint
legends are available).
Setpoint values are transmitted as resistive or voltage values for easy
conguration with the controller. The Occupancy Override signal is
available as a direct output or in parallel with the Sensor or Setpoint, or
as a separate output. An optional 3.5mm (1/8”) or RJ11 communication
jack can be mounted in the base to provide direct access to the network.
The sensor and setpoint outputs can be congured for “common ground”
or “differential” controller inputs.
Fig 1: RuPS Dimensions
Mounting
Mounting hardware is provided for both junction box and drywall installation (junction box installation shown).
JUNCTION BOX
1. Pull the wire through the wall and out of the junction box, leaving about six
inches free.
2. Pull the wire through the hole in the base plate.
3. Secure the plate to the box using the #6-32 x 1/2” mounting screws provided.
4. Terminate the unit according to the guidelines in the Termination section.
5. Attach Cover by latching it to the top of the base, rotating the cover down and
snapping it into place.
6. Secure the cover by backing out the lock-down screws using a 1/16” Allen
wrench until they are ush with the bottom of the cover.
rev. 06/26/15
DRYWALL MOUNTING
1. Place the base plate against the wall where you want to mount the sensor.
2. Use a pencil to mark the two mounting holes and the area where the wires
will come through the wall.
3. Drill two 3/16” holes in the center of each marked mounting hole. Insert a
drywall anchor into each hole.
4. Drill one 1/2” hole in the middle of the marked wiring area. Pull the wire
through the wall and out the 1/2” hole, leaving about 6 inches free.
5. Pull the wire through the hole in the base plate.
6. Secure the base to the drywall anchors using the #6 x 1 inch mounting screws provided.
7. Terminate the unit according to the guidelines in the Termination Section.
8. Attach cover by latching it to the top of the base, rotating the cover down and snapping it into place.
9. Secure the cover by backing out the lock-down screws using a 1/16” Allen wrench until they are ush with the bottom
of the cover.
NOTE: In a wall-mount application, the wall temperature and the temperature of the air within the wall cavity can cause
erroneous readings. The mixing of room air and air from within the wall cavity can lead to condensation, erroneous
readings and premature failure of the sensor. To prevent these conditions, seal the conduit leading to the junction box and
use BAPI’s adhesive backed, foam insulating pad centered over the hole (order part number BA/FOAMBACK).
Specications subject to change without notice.
Fig. 2: Mounting to a Junction Box
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RµPS Style Room Units (BA/RuPS)
Installation & Operating Instructions
10097_ins_rups
rev. 06/26/15
Terminations
BAPI recommends using twisted pair of at least 22AWG and sealant lled connectors for all wire connections.
Larger gauge wire may be required for long runs. All wiring must comply with the National Electric Code (NEC) and
local codes.
Do NOT run this device’s wiring in the same conduit as AC power wiring of NEC class 1, NEC class 2, NEC class 3
or with wiring used to supply highly inductive loads such as motors, contactors and relays. BAPI’s tests show that
uctuating and inaccurate signal levels are possible when AC power wiring is present in the same conduit as the
signal lines. If you are experiencing any of these difculties, please contact your BAPI representative.
BAPI recommends wiring the product with power disconnected. Proper supply voltage, polarity, and
wiring connections are important to a successful installation. Not observing these recommendations may
damage the product and will void the warranty.
ALL RUPS UNITS
Power 5 VDC (only if 5 VDC option is selected when ordered)
9 to 40 VDC (15 to 24 VDC recommended)
15 to 28 VAC (requires a separate pair of shielded wires)
GND To Controller GND, GROUND or Common terminal
LED1 Lights Occupancy LED when shorted to ground.
To Controller Digital Output
Fig 3: RuPS Circuit Board
Shown with optional T&B Switch (S2)
COMMON GROUND (CG) UNITS
SEN1 Thermistor/RTD Sensor Output. To Controller Analog Input.
SEN2 Internally Connected to GND
SET1 Temperature Setpoint Output. To Controller Analog Input.
SET2 Internally Connected to GND
OVR1 Pushbutton, dry contact output. To Controller Digital Input
OVR2 Internally Connected to GND
DIFFERENTIAL GROUND (DF) UNITS
SEN1 Thermistor/RTD Sensor Output. To Controller Analog Input.
SEN2 Thermistor/RTD Sensor Output. To Controller Analog Input.
SET1 Temperature Setpoint Output. To Controller Analog Input.
SET2 Temperature Setpoint Output. To Controller Analog Input.
OVR1 Pushbutton, dry contact output. To Controller Digital Input.
OVR2 Pushbutton, dry contact output. To Controller Digital Input.
Notes:
In Common Ground (CG) conguration, GND, SEN2, SET2 &
OVR2 are all internally connected.
In Differential Ground (DG) conguration: GND, SEN2, SET2 &
OVR2 are all internally isolated.
Specications subject to change without notice.
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