Trane Dual-Duct Installation and Maintenance Manual
Contents
1. F or C not flashing e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons SETPOINT flashes Display shows the setpoint adjust mode e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows temperature offset display e Press UP or DOWN arrow button Temperature offset value changes System returns to the current display mode es VAV SVNO5B EN SV TD VAV 000 SVNO5B EN 0804 VAV SVNO5A EN Electronic Only Literature Order Number S TRANE Trane A business of American Standard Companies www trane com File Number Supersedes Stocking Location Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this publication For more information contact your local Trane office or e mail us at comfort trane com2. TRANE Digital Display Zone Sensor Literature Order Number VAV SVNO5B EN Ordering number Single Setpoint X13790464 01 41901120 Specifications Input Power NEC Class 2 18 32 Vac 50 60Hz 24 Vac nominal 1 VA max Size 2 8 x 4 5 x 1 2 in 71 1 x 114 3 x 278 mm including button heights Mounting Vertically flush mount or mount on standard vertical 2 x 4 in 50 8 x 101 6 mm device box Communication Jack Accessible through bottom of cover Environmental Operational Temperature range 32 to 120 F 0 to 49 C Humidity 5 to 95 non condensing Storage Temperature range 4 to 130 F 20 to 54 C MP501 Wiring Diagram VAV 4 2 ZN511 AH540 W580 ZN517 AH541 vv551 INES TB1 TB1 AC POWER 2 1 24V AC TN 24v 24VAC P TB1 2 24VAC g L 24V GND D GND ae E D TB2 TB3_ ZONESEN SOR INPUTS TBST E hi ZONE TEMP TE ZN N1 8 TB3 2 2 f2 SENSOR GND Ea GND GND n TB3 3 2 3 SETPOINT as SET IN2 5 4 E Ej amp TB3 TB2 COMM 5 COMM 5 3 Pj come 7 a Note Wiring backwards will result in product failure Pre Installation Notes All wiring must be in accordance with NEC and local building codes Do not run low voltage wiring in the same conduit with high voltage power wiring Sharing the 24V Class 2 power source from the UCM is the preferred practice and simplifies installation See wiring diagram
3. above and wiring requirements under Item 4 at right Use caution to be sure 24V and GND are connected to the proper terminals when connecting to the UCM If a separate 24V Class 2 power source is used to power the Digital Zone Sensor terminalsTB1 2 24V GND and TB2 2 Sensor GND must be jumpered together at the sensor for the sensor to operate However the use of a transformer with a supply voltage of greater than 150V to ground as the separate 24V Class 2 power source is not recommended because its output should be grounded to building ground following NEC requirements for Class 2 devices This additional grounding can affect the operation and or damage the Digital Zone Sensor The sensor display will not be enabled with 24V connection only Sensor signal wiring to the UCM must be connected for the display to function A WARNING N w D ol 6 7 1 Sensor must be connected to a UCM and powered up for at least 1 hour to achieve maximum accuracy Sensor Setpoint output can not be verified with an ohm meter Connection to a UCM is necessary to verify operation Plug holes through the wall behind the sensor to prevent undesirable airflow Model Diagram 2 8 Installation Instructions Choose mounting location Choose a spot on an interior wall near the return air grille about five feet above the floor Air should circulate
4. e idle display from room temperature display to continuous setpoint display mode e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows F and C current unit flashing e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Displays F or C not flashing e Press UP or DOWN arrow buttons SETPOINT flashes Display times out and returns in the continuous setpoint display mode Adjust the setpoint offset e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows F and C current unit flashing e Hold UP and DOWN arrow buttons until screen goes blank con t next column Drive air valve to minimum primary airflow Drive air valve to maximum primary airflow Drive air valve to maximum primary airflow Drive unit to unoccupied Both flow and temperature setpoints Adjust the setpoint offset con t e Release buttons Displays F or C not flashing e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows the setpoint adjust mode e Hold UP and DOWN arrow buttons Setpoint offset value changes System returns to the idle display Adjust the room temperature display offset e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows F and C current unit flashing e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Displays
5. freely and be of average temperature for the zone Avoid areas such as behind doors on outside walls or walls facing uncontrolled areas in direct sunlight or near sources of radiant heat that could affect temperature measurement in line with discharge air from unit being controlled Remove cover Remove zone sensor cover by easing the tip of a small screwdriver into the top rear center slot closest to the wall Gently move the top of the screwdriver towards you Excessive force is not recommended for cover removal Mount base Remove zone sensor cover from base and mount base on wall or 2 x 4 device box Connect wires Connect wires as shown in the wiring diagram For wire lengths less than 75 feet an 18 gage 5 or 6 conductor cable may be used For wire lengths greater than 75 feet use 18 gage 2 conductor cable for the power wiring TB1 and 18 gage 3 conductor cable for signal wiring TB2 Avoid routing wires near sources of electrical noise such as motors fluorescent lights LAN wiring etc In some high noise environments signal wires may require shielding The communication jack should be wired with the cable appropriate for the system being installed Replace Cover Place zone sensor cover back on the base and snap securely Into place Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power ca
6. n not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury 2004 American Standard Inc All rights reserved Operating Instructions Idle Display e No action Continuously displays the current zone temperature or setpoint Change Setpoint e Repeatedly press UP or DOWN arrow button SETPOINT flashes Display increases or decreases Release and system returns to the idle display Service Instructions Balancing Functions Begin Timed Override e Press and hold the ON button until OVERRIDE appears Timed override begins System shows the idle display and OVERRIDE Cancel Timed Override e Hold CANCEL button until OVERRIDE disappears Timed override is cancelled System returns to the idle display The and functions allow balancing functionality at the zone sensor See table below Engage Function Press ON and UP simultaneously until screen goes blank Press ON and DOWN simultaneously until screen goes blank Disengage Function Press UP or DOWN until normal display returns Press UP or DOWN until normal display returns Change display units F or C e Hold UP and DOWN arrow buttons until screen goes blank e Release buttons Display shows F and C current unit flashing e Press UP or DOWN button to select F and C Selected unit begins flashing System returns to the idle display Chang
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