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Installation - Mechanical

CLCH-SVX009A-EN

23

Unit Assembly

Note:

Air handlers often include optional factory-
provided casing penetration entry points for field-
provided wiring. Consider overall unit
serviceability and accessibility before mounting,
running wires (power), making cabinet
penetrations, or mounting any components to the
cabinet.

Joining at Shipping Splits

1.

Bring sections close to each prior to connecting to each
other.

2. Remove the strap channels, top and bottom screws

from the main section, and retain the screws. Screws
will be used to tie the sections together.

Figure 14.

Typical ceiling suspension for parallel-to-airflow channels and perpendicular-to-airflow channels

Figure 15.

Bring sections close, remove strap channels.

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Содержание UCCA

Страница 1: ...nd training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature...

Страница 2: ...on some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them ATTENTION Warnings Ca...

Страница 3: ...High intensity C band ultraviolet light is known to severely damage polymer plastic materials and poses a personal safety risk to anyone exposed to the light without proper personal protective equipm...

Страница 4: ...23 Joining at Shipping Splits 23 Fan Removal 24 Filter Placement 26 Duct Connections 27 Condensate Drain Connections 27 Fan Discharge Connections 28 Field Conversions 28 Fan Discharge Conversion 28 Ad...

Страница 5: ...s 55 Coils 55 Steam and Water Coils 55 Refrigerant Coils 56 Coil Winterization 57 Moisture Purge Cycle 57 Drain Pans 58 Low Limit Switch 58 Fans 60 Inspecting and Cleaning Fans 60 Bearing Set Screw Al...

Страница 6: ...tifies the type of section and functional components customer tagging information the unit serial number the unit order number the build section position for installation and the unit model number Not...

Страница 7: ...rs with Class B insulation are acceptable for ambient temperatures up to 104 F while motors with Class F insulation can withstand ambient temperatures to 140 F 60 C Note Units with UL approval have a...

Страница 8: ...d provided controls Various end device options including Low limit protection Condensate overflow switch Fan status switch Filter status switch Discharge air sensor Mixed air sensor Damper actuator Wi...

Страница 9: ...n U 4 row DX 9 fins per in V 4 row DX 12 fins per in W 4 row DX 14 fins per in Y 6 row DX 9 fins per in Z 6 row DX 12 fins per in 1 6 row DX 14 fins per in S Special Digit 14 Coil 2 second in airstrea...

Страница 10: ...xed 1300 1400 rpm variable T 1400 rpm fixed 1350 1450 rpm variable U 1450 rpm fixed 1400 1500 rpm variable V 1500 rpm fixed 1450 1550 rpm variable W 1550 rpm fixed 1500 1600 rpm variable Y 1600 rpm fi...

Страница 11: ...S Special Digit 31 Controls options 2 0 None A Discharge air sensor B Discharge air sensor and mixed air sensor C Discharge air sensor mixed air sensor factory mounted n o mixing box actuator D Disch...

Страница 12: ...d indoors When outdoor storage is necessary several things must be done to prevent damage Note Keep the equipment on the original skid for protection and ease of handling Select a well drained area pr...

Страница 13: ...access see Service Clearances on page 14 Refer to submittals for specific minimums Allow room for supply and return piping ductwork electrical connections and coil removal Ensure there is adequate hei...

Страница 14: ...56 00 D VFD 48 00 48 00 48 00 48 00 48 00 48 00 48 00 48 00 48 00 48 00 E Electric Heat 45 00 40 00 39 00 35 00 31 00 32 00 27 00 30 00 28 00 23 00 Notes At a minimum the above clearance dimensions a...

Страница 15: ...n 23 00 36 00 40 00 52 00 59 00 59 00 67 00 67 00 69 00 82 00 Velocity fpm 537 533 524 504 488 488 522 516 522 527 Dry Weight lb 1 row hydronic 23 35 43 53 65 75 81 96 114 127 2 row hydronic 30 47 60...

Страница 16: ...3 16 3 20 0 22 5 26 4 30 6 Nominal Velocity fpm 432 0 432 0 450 0 450 0 369 2 430 8 425 0 466 7 473 7 490 9 2 in Angle Filter 16 x 20 2 6 6 6 4 12 16 x 25 2 3 3 8 20 x 20 4 2 4 6 8 20 x 25 2 12 Area...

Страница 17: ...64 44 17 133 09 172 89 21 155 81 290 14 25 168 83 304 07 30 208 34 317 00 Note Add motor weight to get total weight of fan Table 4 Motor weights pounds Motor HP Voltage Motor Weight Frame Size 1 208 2...

Страница 18: ...Hz 3 PH 8 60 1800 15 20 15 22 00 27 460 V 60 Hz 3 PH 4 20 1800 4 80 12 11 00 20 575 V 60 Hz 3 PH 3 30 1800 3 90 20 9 00 25 5 208 V 60 Hz 3 PH 15 70 1800 22 00 22 42 00 31 230 V 60 Hz 3 PH 13 60 1800...

Страница 19: ...FC Fan 3 10 1 Remove screws attaching shipping protection brackets from center of isolation base to casing mounting bracket 2 Remove shipping protection brackets through door Figure 3 Shipping tie do...

Страница 20: ...injury and equipment damage Figure 9 Do not use skid tie down for lifting WARNING Heavy Objects Failure to follow instructions below or properly lift unit could result in unit dropping and possibly c...

Страница 21: ...torage and transportation Remove the skids before placing the unit in its permanent location Forklifting Considerations To lift unit with forklift extend the forks under both ends of the unit as indic...

Страница 22: ...provided frame can be mounted parallel to airflow or perpendicular to airflow For parallel to airflow channels size channels based on a four point load distribution For perpendicular to airflow channe...

Страница 23: ...aking cabinet penetrations or mounting any components to the cabinet Joining at Shipping Splits 1 Bring sections close to each prior to connecting to each other 2 Remove the strap channels top and bot...

Страница 24: ...to damage equipment panels 4 Remove screws Item 3 around parameter lip where second level is attached to first level 5 If unit is equipped with optional filter rack insert screws Item 3 in vertical fl...

Страница 25: ...sconnected via quick connects in the control interface or VFD box respectively Electric heat wiring should be disconnected from switch in control interface box Any controls low voltage end devices loc...

Страница 26: ...20 25 20 20 20 20 25 16 25 16 20 16 20 16 Size 25 26 40 ft 20 25 20 25 20 25 20 25 20 25 20 25 25 16 25 16 Size 30 30 60 ft 20 25 20 25 20 25 20 25 25 16 25 16 25 16 25 16 25 16 25 16 Size 17 20 00 f...

Страница 27: ...ft open air can be drawn in through the opening This drawn in air can cause moisture carryover All drain lines Figure 21 Angle filter arrangement Size 3 5 60 ft Size 6 11 10 ft Size 8 12 50 ft Size 10...

Страница 28: ...ews inside the cabinet along the top of the coil that secure the coil to the cabinet roof Remove the screws that attach the roof to the side walls and the front panel 4 Remove roof 5 If horizontal fro...

Страница 29: ...roper operation height of the fan and motor isolation base Minimum required clearances are listed in Table 6 To determine the isolator clearances on all unit sizes measure between the top of the cabin...

Страница 30: ...n for cleaning purposes only it does not need a trap however a cap or shutoff valve should be installed on the drain connection Only sections handling condensate such as a cooling coil section or mois...

Страница 31: ...gative pressure L H J pipe diameter where H 1 inch for each inch of negative pressure plus 1 inch J 1 2 H Drain pan trapping for section under positive pressure L H J pipe diameter where H 1 2 inch mi...

Страница 32: ...e of the trap 4 If installing coils in series airflow control each coil bank independently with an automatic steam control valve Size the traps for each coil using the capacity of the first coil in di...

Страница 33: ...y is below these minimums vent the coil by one of the following methods 1 Install an air vent in the top pipe plug tapping of the return header 2 When the return line rises above the top of the coil v...

Страница 34: ...tailed schematics of evaporator piping Figure 32 Example of placement for split system components Discharge line Manual ball valve Access port Filter Access port Access port Filter drier with access p...

Страница 35: ...split systems with mircochannel heat exchanger condensers MCHE solenoid valves isolate the refrigerant from the evaporator during the off cycles Trim solenoids cannot be used with MCHE Note Trane con...

Страница 36: ...installed after the system is cleaned up Access port The access port is used to determine suction pressure This port is usually a Schraeder valve with a core Frostat coil frost protection The Frostat...

Страница 37: ...suitable for use with R 410A These same lines sized at 1 5 8 OD or 2 1 8 OD must use type K or thicker wall Expansion valves need to be reselected Expansion valves are refrigerant specific Any gasket...

Страница 38: ...ader connection 4 Use the tube diameter recommended in the condensing unit application manual for a vertical rise Ensure that the top of the riser is higher than the evaporator coil 5 Pitch the suctio...

Страница 39: ...Use the tube diameter recommended for a vertical rise as specified in the condensing unit application manual Assure the top of the riser is higher than the evaporator coil 7 Pitch the suction line sl...

Страница 40: ...ameter recommended for a vertical rise as specified in the condensing unit application manual Ensure that the top of the riser is higher than the evaporator coil 7 Pitch the suction line slightly 1 in...

Страница 41: ...or a vertical rise as specified in the condensing unit application manual 5 The top of the Circuit 2 suction riser must be higher than the top evaporator coil Use the tube diameter recommended for a v...

Страница 42: ...as specified in the condensing unit application manual Ensure that the top of the riser is higher than the evaporator coil 7 Pitch the suction line slightly 1 inch 10 feet so that the refrigerant dra...

Страница 43: ...hematic for specific wiring details and point to point wiring connections Dashed lines indicate field wiring on the unit wiring schematics All interconnection wiring must conform to NEC Class 2 wiring...

Страница 44: ...50 14 50 17 50 20 47 20 41 230 V 60 Hz 3 PH 6 13 6 26 7 32 8 41 10 53 12 59 14 59 17 59 20 56 20 50 460 V 60 Hz 3 PH 6 13 6 24 7 32 8 44 10 53 12 63 14 75 17 95 20 95 20 120 575 V 60 Hz 3 PH 6 13 6 26...

Страница 45: ...208 230 3 LP CC 25 CC 208 230 5 JJN 50 T 208 230 7 5 JJN 50 T 208 230 10 JJN 80 T 208 230 15 JJN 100 T 460 1 LP CC 10 CC 460 1 5 2 LP CC 10 CC 460 3 LP CC 15 CC 460 5 LP CC 15 CC 460 7 5 LP CC 25 CC...

Страница 46: ...5 JJN 80 T 208 230 7 5 JJN 100 T 208 230 10 JJN 100 T 460 3 LP CC 25 CC 460 5 LP CC 25 CC 460 7 5 JJS 50 T 460 10 JJS 50 T 460 15 JJS 80 T 575 3 LP CC 20 CC 575 5 LP CC 20 CC 575 7 5 LP CC 30 CC 575...

Страница 47: ...2 6T3 12B 15B 1Q1 L3 L2 L1 6A 6A 5A 5A 4A 4A BLK RED 1T1 24V 208V 1T1 24V 1T1 24V 1T1 24V 12A 15A 18A BLU YEL 1K3 1K3 1K3 4D D 5D D SPLICE SPLICE SPLICE DEVICE PREFIX LOCATION CODE AREA 1 MAIN CONTROL...

Страница 48: ...ubrication if necessary See Fan Bearing Lubrication page 61 Coil Related Checks Ensure coil and condensate drain piping connections are complete Check the piping and valves for leaks Open or close the...

Страница 49: ...ance is 2 percent Voltage imbalance is defined as 100 times the sum of the deviation of the three voltages from the average divided by twice the average voltage For example if the three measured volta...

Страница 50: ...plate 1 22 Motor Voltage Depends on unit Set Based on Motor Nameplate 1 24 Motor Current Depends on unit Set Based on Motor Nameplate 1 25 Rated Motor Speed Depends on unit Set Based on Motor Nameplat...

Страница 51: ...ee Figure 44 Determine actual deflection by depressing one belt with the belt tensiometer and measuring the deflection relative to the other belts or to belt line see Figure 45 Adjust the belt tension...

Страница 52: ...4 8 5 12 6 2 501 4 000 6 0 8 9 7 3 10 9 C CX 7 0 9 0 500 1 740 11 5 17 0 14 7 21 8 1 741 3 000 9 4 13 8 11 9 17 5 9 5 16 0 500 1 740 14 1 21 0 15 9 23 5 1 741 3 000 12 5 18 5 14 6 21 6 D 12 0 16 0 200...

Страница 53: ...are not parallel Realign as required After realignment tighten the belts again to the standard belt tensioning specifications If the force is still not the same for all belts the belts or sheaves are...

Страница 54: ...and unusual noise Every month Clean or replace air filters if clogged or dirty coat permanent filters with oil after cleaning change bag filters when pressure drop is 1 in wg See Air Filters on page...

Страница 55: ...o ensure rotor cannot freewheel Failure to secure rotor or disconnect power before servicing could result in rotating components cutting and slashing technician which could result in death or serious...

Страница 56: ...9 Repeat steps 6 and 7 as necessary 10 Straighten any coil fins that may have been damaged during the cleaning process 11 Confirm the drain line is open following the cleaning process 12 Allow the un...

Страница 57: ...e the heating season begins Note On many unit sizes there are multiple coils in the coil section Be sure to winterize all coils in a given coil section To winterize hydronic coils 1 Remove the vent an...

Страница 58: ...to the mounting wall 4 Loosen the set screw in the wheel drive pulley using an Allen wrench and remove the pulley from the motor drive shaft 5 While supporting the weight of the drive motor in one han...

Страница 59: ...for clarity Figure 50 Resetting low limit switch for vertical units Low limit freeze stat Note Fan access door removed for clarity only Figure 51 Resetting low limit switch for horizontal DDP fan unit...

Страница 60: ...metal surfaces 6 Allow the unit to dry completely before putting it back into service 7 Be careful any contaminated material does not contact other areas of the unit or building Properly dispose of a...

Страница 61: ...e Many different styles of motors come as standard selections so please obtain the motor IOM and use the manufacturer recommended grease Fan Motor Inspection Inspect fan motors periodically for excess...

Страница 62: ...er company for adjustments Mechanical failure Check that motor and drive rotate freely Check bearing lubricant Motor stalls Open phase Check line for an open phase Overloaded motor Reduce load or repl...

Страница 63: ...e see the Coils section on page 55 Do not use steam to clean refrigerant coils Fin frosting Verify defrost cycle operation Verify frostat operation Verify refrigerant charge Low steam coil capacity In...

Страница 64: ...lio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com Trane has a policy of continuous product and product data improvement and r...

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