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Trane UV-SVN02B-EN Installation Operation & Maintenance Download Page 37

UV-SVN002-EN

37

Wiring Diagram

Figure 43:

Power Diagram For 480V. 3-Phase, 4-Wire Electric Heat

NOTE:

Important! Incoming

power to the unit ventilator
is 3-phase, 4-wire for a 480-
volt system. The system
contains 5 conductors: 3-
hot, 1-neutral and 1-equip-
ment ground. The neutral
line 

can not 

be used as the

equipment ground.

Summary of Contents for UV-SVN02B-EN

Page 1: ...Installation Operation Maintenance Vertical and Horizontal Classroom Unit Ventilators Order No UV SVN02B EN Date February 2005 UV SVN02B EN...

Page 2: ...hazardous situation which if not avoided could result in death or serious injury WARNING CAUTION Indicates a potentially hazardous situation which if not avoided could result in minor or moderate inju...

Page 3: ...eiving and Handling 8 Installation Drawings 9 Installation 19 Location Considerations 19 Unit Mounting 20 Piping Installation 24 Valves 27 Wiring 31 Electrical Data 42 Maintenance 43 Troubleshooting 4...

Page 4: ...that includes the fans fan housing bearings fan shaft and motor The fan motor is mounted on the fanboard The fanboard is made from 14 gauge galva nized steel to resist corrosion and increase strength...

Page 5: ...design for both the horizontal and the vertical con figurations The actuator is provided with electronic protection against over load It does not contain nor require a limit switch When reaching the...

Page 6: ...over applications the valve is a normal ly open type to prevent the coil from freezing in case of power loss For cooling the valve is normally closed and opens when there is a call for cooling SeeTab...

Page 7: ...dds increased functionality to the unit ventilator WhenTrane controls are ordered for an installation the controls are shipped already installed and factory tested to ensure proper operation at start...

Page 8: ...e following procedures 1 Carefully remove the stretch wrap and the top cardboard cover If end covers have been ordered for vertical units the panel will already be mounted to the unit 2 Remove remaini...

Page 9: ...2 10 7 8 1 2 20 13 2 15 1 4 B A 20 1 2 NOTE UNIT LENGTH DOES NOT INCLUDE 5 8 END COVERS THE POWER CONNECTION IS MADE INTHE LEFT HAND END POCKET FOR ALL OPTIONS EXCEPT ELECTRIC HEAT THE POWER CONNECTI...

Page 10: ...NOT INCLUDE 5 8 END COVERS THE POWER CONNECTION IS MADE INTHE LEFT HAND END POCKET FOR ALL OPTIONS EXCEPT ELECTRIC HEAT THE POWER CONNECTION FOR ELECTRIC HEAT IS MADE INTHE RIGHT HAND END POCKET RIGH...

Page 11: ...OES NOT INCLUDE 5 8 END COVERS THE POWER CONNECTION IS MADE INTHE LEFT HAND END POCKET FOR ALL OPTIONS EXCEPT ELECTRIC HEAT THE POWER CONNECTION FOR ELECTRIC HEAT IS MADE INTHE RIGHT HAND END POCKET R...

Page 12: ...NOT INCLUDE 5 8 END COVERS THE POWER CONNECTION IS MADE INTHE LEFT HAND END POCKET FOR ALL OPTIONS EXCEPT ELECTRIC HEAT THE POWER CONNECTION FOR ELECTRIC HEAT IS MADE INTHE RIGHT HAND END POCKET B RI...

Page 13: ...E INTHE LEFT HAND END POCKET FOR ALL OPTIONS EXCEPT ELECTRIC HEAT THE POWER CONNECTION FOR ELECTRIC HEAT IS MADE INTHE RIGHT HAND END POCKET UNIT MOUNTED FAN SPEED SWITCH IS ROTATED AND ACCESSEDTHROUG...

Page 14: ...EW TOP VIEW ISO VIEW 7 8 x 2 SLOTS FOR HANGING BRACKETS RIGHT HAND END POCKET LEFT HAND END POCKET NOTE WHEN ELECTRIC HEAT IS PRESENT ALL POWER CONNECTIONS ARE MADE INTHE RIGHT HAND END POCKET ON ALL...

Page 15: ...8 106 1 4 82 79 1 4 F A UPPER BACK R A LOWER BACK BACK VIEW SIDE VIEW TOP VIEW ISO VIEW 7 8 x 2 SLOTS FOR HANGING BRACKETS RIGHT HAND END POCKET LEFT HAND END POCKET DISCHARGE NOTE WHEN ELECTRIC HEAT...

Page 16: ...END POCKET LEFT HAND END POCKET NOTE WHEN ELECTRIC HEAT IS PRESENT ALL POWER CONNECTIONS ARE MADE INTHE RIGHT HAND END POCKET ON ALL OTHER CONFIGURATIONS POWER CONNECTIONS ARE MADE INTHE LEFT HAND END...

Page 17: ...VIEW TOP VIEW ISO VIEW 7 8 x 2 SLOTS FOR HANGING BRACKETS RIGHT HAND END POCKET LEFT HAND END POCKET NOTE WHEN ELECTRIC HEAT IS PRESENT ALL POWER CONNECTIONS ARE MADE INTHE RIGHT HAND END POCKET ON AL...

Page 18: ...BACK DIGIT 20 E 100 FA DUCTTOP DIGIT 20 K 100 FA DUCT UPPER BACK DIGIT 20 C D C FA DUCT TOP w RA BAR GRILLE BOTTOM D FA DUCT TOP w RA OPEN BOTTOM DIGIT 20 H J H FA DUCT UPPER BACK w RA BAR GRILLE BOTT...

Page 19: ...mmodate slight out of level installation surfaces Horizontal Unit Ventilators 7 Ceiling hung design must be of sufficient structure to support the weight of the unit SeeTable 5 for weight data Figures...

Page 20: ...rille while handling the unit 2 Check the gasket on the rear of the unit and around the fresh air open ing Gaps around the openings can lead to outside air leaks into the room 3 Remove all electrical...

Page 21: ...he back support and flush with the wall surface Anchor the unit to back supports using the 1 2 mounting holes described in the Unit Mounting section 9 Tighten the mounting fastener making sure that th...

Page 22: ...he unit finish by covering the lifting platform To hoist the unit into place follow the instructions below 1 Secure 2 x 4 s to the lift forks as shown in Figure 19 These two supports must be long enou...

Page 23: ...unting screws provided 6 Open and remove the front acces panel 7 Tighten the mounting fastener making sure that the unit is level 8 Open the unit access panel and remove the bottom front panel See Fig...

Page 24: ...as odor Trane Piping Packages Option Trane Standard Piping Package includes a 2 way or 3 way valve with bypass bal ance valve ball valves Pete s plugs and unions A strainer and circuit balancing valve...

Page 25: ...SAME END POCKET ASTHE MAIN COIL CONNECTION THE MAIN COIL CONNECTION FOR 2 PIPE SYSTEMS ISTHE HEATING COIL THE MAIN COIL CONNECTION Standard 1 falseback 6 falseback Installation Crossover Piping Cross...

Page 26: ...ctory installed on the Unit Ventilator Piping should be run straight out through the back of the unit Access piping knockouts are located in the rear panels of the unit as shown in Figures 6 through 1...

Page 27: ...vented receiver Coil To Condensate return Temp Regulating Valve Figure 27 Steam Piping Modulating Water Valves Option The actuator on the valve is a 24V 3 point floating valve The actuator can be eas...

Page 28: ...ed only when in the up position The A port can be manually opened by firmly pushing the white manual lever down to the midway position and pushing the lever in In this position both A and B ports are...

Page 29: ...he valve with the valve body notch on side of body See Figure 35 2 Install body valve into pipe 3 Wiring connections may be made either before or after actuator in stalled on body 4 Place the manual o...

Page 30: ...given for the thermostat wiring in the condensing unit installation instructions or may be obtained from the nameplate The con densing unit must be controlled by the same room thermostat that also co...

Page 31: ...ly wiring is to be connected to terminals 1 and 2 at the junction box in the left end pocket below the dis charge air grille Electric Heat Supply Power Supply power wiring is to be connected to the fo...

Page 32: ...32 UV SVN002 EN Wiring Diagrams Figure 38 Field Installed Controls 120V 1 Speed Unit Mounted Fan Switch...

Page 33: ...UV SVN002 EN 33 Wiring Diagrams Figure 39 Field Installed Controls 120V 2 Speed Unit Mounted Fan Switch...

Page 34: ...34 UV SVN002 EN Wiring Diagram R Figure 40 Field Installed Controls Horizontal UV 120V 1 Speed Wall Mounted Fan Switch...

Page 35: ...UV SVN002 EN 35 Wiring Diagram Figure 41 Field Installed Controls Horizontal UV 120V 2 Speed Wall Mounted Fan Switch...

Page 36: ...36 UV SVN002 EN Wiring Diagrams Figure 42 Power Diagram For 208V or 240V 3 Phase 3 Wire Electric Heat...

Page 37: ...480V 3 Phase 4 Wire Electric Heat NOTE Important Incoming power to the unit ventilator is 3 phase 4 wire for a 480 volt system The system contains 5 conductors 3 hot 1 neutral and 1 equip ment ground...

Page 38: ...38 UV SVN002 EN Wiring Diagrams Figure 44 Power Diagram For 480V 3 Phase 4 Wire Electric Heat...

Page 39: ...UV SVN002 EN 39 Wiring Diagrams Figure 45 End Device Package 120V 4 Pipe Hot Water Chilled Water...

Page 40: ...40 UV SVN002 EN Wiring Diagrams Figure 46 End Device Package 120V Hot Water DX Cooling...

Page 41: ...UV SVN002 EN 41 Wiring Diagrams Figure 47 208V or 240V 3 Phase 3 Wire Electric Heat DX Cooling...

Page 42: ...mps 075 1 6 17 2 5 100 1 6 17 2 5 125 1 4 25 2 7 150 1 4 25 2 7 200 1 3 75 5 7 Unit Size HP Amps 075 1 3 33 4 8 100 1 3 33 4 8 125 1 2 50 7 0 150 1 2 50 7 0 200 3 4 75 8 1 Table 11 MCA levels for stan...

Page 43: ...and electric Additional information for controls not supplied byTheTrane Company should be obtained from the controls manufacturer Split system unit ventilators include a condensing unit and the instr...

Page 44: ...h in a mild detergent solution Allow the pad to dry and replace in the frame Reinstall the filter Over time the filter may wear out Replacement pads may be ordered throughTrane Removal of the Drain Pa...

Page 45: ...ter the drain pan has been removed proceed to Step 5 5 Remove the 2 screws at the lower corners of the fan deck to release it Figure 53 6 Slide the fan board forward to remove from the unit Figure 54...

Page 46: ...system OR isolate valve from the system DO NOT remove valve body from plumbing 2 Check to see if the cartridge needs to be replaced If so follow appropriate steps explained for cartridge assembly remo...

Page 47: ...ontrol contractor or ifTrane controls see CNT SVX04A EN Tracer TM ZN520 Unit Controller IOP for details on DDC controls B Room Too Warm Outside Temperature Above 35 F 1 Check the room thermostat to ma...

Page 48: ...ation of the face and bypass damper or coil control valve If the damper or valve appears to be function ing improperly contact the control contractor or ifTrane controls see CNT SVX04A EN Tracer TM ZN...

Page 49: ...e seal should be provided around all edges General Instructions Trane wallboxes are illustrated in Figures 58 59 and each lists the wall openings required for wallboxes Vertical louvers in the wall in...

Page 50: ...50 UV SVN002 EN Accessories Wall Boxes Figure 59 Vertical wallbox V1 V3 V2 V6 dimensions...

Page 51: ...allation in Curtain Walls In all cases the wall intake box should be caulked to provide a tight weather proof seal See Figure 61 Note A minimum of 2 1 8 of clearance must be maintained between the ext...

Page 52: ...of accessories and optional add ons that can be ordered with the Classroom Unit Ventilator including Energy Recovery Units ERSA Classroom Unit Ventilator Shelving components Side Wall Exhaust units T...

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