Figure 151. Supply duct static pressure transducer (SDPC)
NOTE: ROOF
NOT SHOWN
ON
REV. D
TYPICAL DUCT
INSTALLATION
ROOF CURB
SUPPLY DUCT STATIC
PRESSURE TRANSDUCER
RETURN DUCT
SUPPLY DUCT
OAUTS FIELD WIRING TERMINAL STRIP
INSTALLATION INSTRUCTIONS FOR (BAPI) OR (BELIMO)
SUPPLY DUCT STATIC PRESSURE TRANSDUCER (SDPC)
GENERAL:
SDPC IS USED TO CONTROL SUPPLY FAN SPEED BASED ON STATIC PRESSURE. DEFAULT FOR SDPC IS 0-2" WC TO
0-10VDC. ANY OTHER SETTING MUST BE RE-CONFIGURED WITHIN THE MAIN UNIT CONTROLLER.
IF A DUCT STATIC PRESSURE GREATER THAN 1.5"WC IS DESIRED, IT'S RECOMMENDED TO INCREASE THE RANGE OF THE
TRANSDUCER AND RE-CONFIGURE THE MAIN UNIT CONTROLLER.
INSTALLATION:
1. VERIFY DIP SWITCH AND DIAL SETTINGS ACCORDING TO CHART BELOW.
2. MOUNT TRANSDUCER ON THE EXTERIOR OF THE DUCT AT LEAST 4 FT FROM THE UNIT.
3. INSTALL SAMPLING TUBE ONTO THE DUCT AND CONNECT TUBING TO PORT "H" ON TRANSDUCER.
4. LEAVE PORT "L" ON TRANSDUCER OPEN.
5. RUN WIRING FROM THE TRANSDUCER TO THE FIELD WIRING TERMINAL (OAUTS) STRIP USING COPPER
CONDUCTORS ONLY.
6. LAND THE WIRING ON FIELD WIRING TERMINAL STRIP ACCORDING TO THE CHART BELOW.
1 2 3
R1
R5
R3
R2
R4
O1
O5
O3
O2
O4
OFF
O3 = 0-10 VOLTS
R2 = 2"WC
#1 OFF = UNIDIRECTIONAL
#2 OFF = INCHES
#3 OFF = SLOW
TRANSDUCER SETTINGS
OAUTS-21 -- PWR
OAUTS-1 -- VOUT
OAUTS-2 -- GND
OAUTS WIRING
LOW VOLTAGE FIELD WIRING
UPDATED 12/13/2021
KCC PART NUMBER: VELCON-0976
SENSOR MODEL NUMBER: BA/ZPM-SR-ST-D
LINES 74 ON UNIT WIRING DIAGRAM
V+
SDPC
OUT
GND
OAUTS-1
OAUTS-2
OAUTS-21
KCC PART NUMBER: VELCON-0067
SENSOR MODEL NUMBER: 22ADP-584L
LINES 74 ON UNIT WIRING DIAGRAM
ON
1 2 3
OFF
#1 ON = 0-2" WC
#2 OFF = 0-2" WC
#3 OFF = 0-2" WC
#4 ON = SLOW
#5 OFF = 0-10 VOLTS
#6 ON = INCH WC
TRANSDUCER SETTINGS
4 5 6
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