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SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-
conditioning equipment can be hazardous and requires specific knowledge and 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 and
on the tags, stickers, and labels that are attached to the equipment.

Packaged Rooftop Air Conditioners
Precedent™- Electric/Electric

3 – 10 Tons – 60 Hz

Model Numbers

TSC037E - TSC067E

THC037E - THC067E

TSC036E - TSC060E

THC036E - THC072E

TSC072F - TSC120F

THC120E
THC048F - THC102F

RT-SVX22M-EN

September 2013

Installation, Operation,
and Maintenance

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Содержание TSC037E

Страница 1: ...equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attache...

Страница 2: ...hem Revision Summary RT SVX22M EN 04 September 2013 5GIII update Cooling and Gas ElectricT YHC120 Human Interface 5 inch ColorTouchscreen RT SVX22L EN 12 July 2013 5GII update Cooling and Gas Electric...

Страница 3: ...omizer 27 Temperature Limit Switch Usage for Electric Heat Units 27 Horizontal Discharge Conversion 3 Through 5 Ton Units 27 Horizontal Discharge Conversion 6 Through 10 Ton Units 27 TCO A Instruction...

Страница 4: ...ure 57 Simultaneous Heat and Cool Failure 57 Resetting Cooling and Ignition Lockouts 57 Method 1 57 Method 2 57 Zone Temperature Sensor ZTS Service Indi cator 57 Clogged Filter Switch 58 Fan Failure S...

Страница 5: ...mpleteCoat Condenser Coil 5 CompleteCoat Condenser Coil with Hail Guard Digit 18 Through the Base Provisions 0 NoThrough the Base Provisions A Through the Base Electric8 Digit 19 Disconnect Circuit Br...

Страница 6: ...se options are standard when ordering Novar Controls 15 This option is used when ordering Novar Controls 16 Not available with high temperature duct sensor accessory 17 Digit 15 2 18 Novar Sensor util...

Страница 7: ...rd 2 Black Epoxy Pre Coated Condenser Coil 3 Black Epoxy Pre Coated Condenser Coil with Hail Guard 4 CompleteCoat Condenser Coil 5 CompleteCoat Condenser Coil with Hail Guard Digit 18 Through the Base...

Страница 8: ...Relief for horizontal configured units must be ordered as field installed accessory 6 Through the base electric required when ordering disconnect circuit breaker options 7 Requires use of Disconnect...

Страница 9: ...characteristics refrigerant charge as well as other pertinent unit data Compressor Nameplate The nameplate for the compressors are located on the side of the compressor Microchannel Condenser Barcode...

Страница 10: ...lowing controls are available from the factory for field installation Supply Fan Failure Input Optional The Fan Failure Switch can be connected to sense indoor fan operation FFS Fan Failure Switch If...

Страница 11: ...ircuit is turned off immediately The compressor will restart when the HPC closes Power Exhaust Control Optional ReliaTel Control The power exhaust fan is started whenever the position of the economize...

Страница 12: ...YSENS074 This electronic sensor features single setpoint capability and timed override with override cancellation It is used with aTrane Integrated Comfort building management system Remote Zone Senso...

Страница 13: ...ns will prevent the smoke detectors from performing its design function Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor coil and filters To insure that...

Страница 14: ...cataloged unit capacity and peak operating efficiency Providing less than the recommended clearances may result in condenser coil starvation short circuiting of exhaust and economizer airflows or rec...

Страница 15: ...rd efficiency 3 ton high efficiency Note All dimensions are in inches millimeters Figure 3 3 5 ton standard efficiency 3 ton high efficiency roof curb Note All dimensions are in inches millimeters 7 4...

Страница 16: ...andard efficiency 3 ton high efficiency unit clearance and roof opening Note All dimensions are in inches millimeters CLEARANCE 36 914 MM Figure 5 6 7 single ton standard efficiency 4 5 ton high effic...

Страница 17: ...andard efficiency 4 5 ton high efficiency roof curb Note All dimensions are in inches millimeters 2130 MM 356 MM Figure 7 6 7 single ton standard efficiency 4 5 ton high efficiency unit clearance and...

Страница 18: ...8 microchannel ton high efficiency 6 ton dehumidification Note All dimensions are in inches millimeters Figure 9 7 ton dual 10 ton standard efficiency 6 8 microchannel ton high efficiency 6 ton dehumi...

Страница 19: ...dual 10 ton standard efficiency 6 8 microchannel ton high efficiency 6 ton dehumidification unit clearance and roof opening Note All dimensions are in inches millimeters Figure 11 10 ton high efficien...

Страница 20: ...1534 MM 59 7 8 1521 MM 14 356 MM 2 51 MM 56 3 8 1432 MM 34 3 8 873 MM 34 3 8 873 MM 18 1 2 470 MM 18 1 2 470 MM 1 25 MM 1 25 MM 1 25 MM 6 5 8 168 MM 80 1 2 2045 MM CLEARANCE 18 457 MM FOR HORIZONTAL...

Страница 21: ...to cause cancer through inhalation You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection mask long sleeves and pants when working with products containing fiber...

Страница 22: ...999 856 264 239 177 175 45 22 10 TSC120F 1058 960 320 218 233 189 40 24 3 THC037E 614 544 163 144 111 125 33 19 4 THC048E THC047E 787 692 220 178 132 163 40 23 4 THC048F 737 642 208 177 128 130 44 22...

Страница 23: ...fiops accessory net weights lbs a b TSC036E 060E THC036E THC037E THC047E 067E THC048E F 060E F TSC072F 102F THC072E F THC092F 102F TSC120F THC120E Net Weight Net Weight Net Weight Net Weight Net Weigh...

Страница 24: ...units Horizontal supply return air openings Figure 19 3 5 ton standard efficiency units 3 ton high efficiency units Downflow supply return air openings w through the base utilities Supply Return 3 7...

Страница 25: ...ound the unit is strongly recommended to provide easy access for unit maintenance and service Recommendations for installing the SupplyAir and Return Air ductwork joining the roof curb are included in...

Страница 26: ...nit General Unit Requirements The checklist listed below is a summary of the steps required to successfully install a commercial unit This checklist is intended to acquaint the installing personnel wi...

Страница 27: ...Secure the outward edge of each duct cover with 2 screws 5 Slide RETURN DUCT COVER insulation side up into supply opening until inward edge of duct cover engages with the 2 retaining clips on the duct...

Страница 28: ...tric heater dead front panel 2 TCO A is the limit control located in the central part of the heater mounting plate and that is located on the bottom of the two heater element assemblies To replace thi...

Страница 29: ...crews removed in step 2 Refer to Figure 33 p 29 ForTHC047E 120E THC048F 092F andTSC072F 120F units secure the tab on left side to the indoor coil block off with one of the screws removed in step 2 and...

Страница 30: ...panel by aligning the panel with tabs in the raceway Align the condensate drain pan support in the grommeted hole as the panel is put in place 6 Replace evaporator access panel and supply air access...

Страница 31: ...nd national codes OptionalTBUE Wiring Through the Base Electrical Option Location of the applicable electrical service is illustrated below Refer to the customer connection diagram that is shipped wit...

Страница 32: ...e reset by pressing in on the black reset button Controls using 24 VAC Before installing any connecting wiring refer to Unit Dimensions p 14 for the electrical access locations provided on the unit an...

Страница 33: ...ge wiring per illustrations on page 34 Note If digit 9 in the unit model number equals E Electro Mechanical Control accessory relay BAY24X042 is required if the thermostat does not energize the fan ci...

Страница 34: ...umidification option Figure 42 ReliaTel humidistat dehumidification option Figure 43 Electromechanical control customer low voltage routing all units except 10 ton high efficiency Figure 44 ReliaTel c...

Страница 35: ...Installation RT SVX22M EN 35 Figure 45 ReliaTel withoutTBUE control customer wire routing 10 ton high efficiency Figure 46 ReliaTel withTBUE control customer wire routing 10 ton high efficiency...

Страница 36: ...lation 36 RT SVX22M EN Figure 47 Electromechanical withoutTBUE control customer wire routing 10 ton high efficiency Figure 48 Electromechanical withTBUE control customer wire routing 10 ton high effic...

Страница 37: ...ote sensors in a series parallel circuit Using the BAYSENS016 or BAYSENS077 at least four sensors are required to accomplish space temperature averaging Example 1 illustrates two series circuits with...

Страница 38: ...Installation 38 RT SVX22M EN Figure 51 Examples...

Страница 39: ...EN 39 Figure 52 Typical field wiring diagrams for optional controls ReliaTel only BA YSENS075 BA YSENS075 BA YSENS119 BA YSENS110 BA YSENS108 BA YSENS106 BAYSENS073 BAYSENS074 BAYSENS075 ASYSTAT669A...

Страница 40: ...87 56 K Ohms 5 15 0 74 65 K Ohms 10 12 2 63 80 K Ohms 15 9 4 54 66 K Ohms 20 6 7 46 94 K Ohms 25 3 8 40 40 K Ohms 30 1 1 34 85 K Ohms 35 1 7 30 18 K Ohms 40 4 4 26 22 K Ohms 45 7 2 22 85 K Ohms 50 10...

Страница 41: ...quals The 2 2 imbalance in this example exceeds the maximum allowable imbalance of 2 0 This much imbalance between phases can equal as much as a 20 current imbalance with a resulting increase in motor...

Страница 42: ...tion Close the main power disconnect switch and the unit mounted disconnect switch if applicable Note Upon closing main power disconnect and the unit mounted disconnect switch or circuit breaker the p...

Страница 43: ...Cooling Connect a jumper wire across OTS on Economizer Control ECA Connect red thermostat R wire to yellow thermostat wire Y1 Cool 1 Connect red thermostat wire R to yellow thermostat wire Y1 Cool 2...

Страница 44: ...is based on desired CFM and may not be actual static pressure drop 3 Add the total accessory static pressure drop step 2 to the duct external static pressure step 1 The sum of these two values represe...

Страница 45: ...s performance and reliability is closely associated with and dependent upon having the proper airflow supplied both to the space that is being conditioned and across the evaporator coil The indoor fan...

Страница 46: ...Units with Constant CFM Direct Drive Indoor Fan Much of the systems performance and reliability is closely associated with and dependent upon having the proper airflow supplied both to the space that...

Страница 47: ...supply air temperature should not be set below 50 F Supply AirTemperature Control with an Economizer The economizer is utilized to control the supply air cooling at 1 5 F around the supply air temper...

Страница 48: ...25 to 2 125 Vdc proportional output which corresponds to an adjustable supply duct static pressure of 0 3 w c to 2 5 w c respectively with a deadband adjustment range from 0 2 w c to 1 0 w c The setpo...

Страница 49: ...this setting is 0 75 6 Momentarily jump across theTest 1 Test 2 terminals on LTB1 to cycle through test modes to Cool 2 7 Turn the MIN POS DESIGN potentiometer on the RTEM clockwise to open or counte...

Страница 50: ...heat chart value 4 Repeat steps 1 through 4 for each refrigerant circuit 5 To stop the SERVICETEST turn the main power disconnect switch to the Off position or proceed to the next component start up p...

Страница 51: ...e heater stage is operating properly 5 To stop the SERVICETEST turn the main power disconnect switch to the Off position or proceed to the next component start up procedure Remove electro mechanical t...

Страница 52: ...listed in Table 12 p 52 If the force reading is outside the range readjust the belt tension Note Actual belt deflection force must not exceed the maximum force value shown in Figure 54 p 52 7 Recheck...

Страница 53: ...sure that all retaining screws are reinstalled in the unit access panels once these checks are complete With the unit running check and record the ambient temperature compressor suction and discharge...

Страница 54: ...then spray the opposite side of the coil Allow the cleaning solution to stand on the coil for five minutes 7 Rinse both sides of the coil with cool clean water 8 Inspect both sides of the coil if it...

Страница 55: ...er Wiring Diagram Numbers from unit control panel Connections Schematics Table 13 Sample maintenance log Refrigerant Circuit 1 Refrigerant Circuit 2 Date Current Ambient Temp F C Compr Oil Level Suct...

Страница 56: ...sequence of operations for each mode to assist in verifying proper operation Make the necessary repairs and proceed to Step 7 and Step 8 7 If no abnormal operating conditions appear in the test mode...

Страница 57: ...voltage between terminals J6 8 J6 6 Cool Operating approximately 32 VDC Cool Off less than 1 VDC approximately 0 75 VDC Cooling Failure voltage alternates between 32 VDC 0 75 VDC Service Failure Meas...

Страница 58: ...Cool SP Terminals 2 and 3 Range 100 to 900 Ohms approximate Heat SP Terminals 2 and 5 Range 100 to 900 Ohms approximate Test 3 System Mode and Fan Selection The combined resistance of the Mode select...

Страница 59: ...neously The temperature sensing thermistor in the Zone Sensor Module is the only component required for the Default Mode to operate Unit Operation without a Zone Sensor This procedure is for temporary...

Страница 60: ...al problem exists from the control transformer Make any necessary repairs see wiring diagrams to troubleshoot 3 If 24 VAC is present adjust the minimum position potentiometer fully clockwise If the ac...

Страница 61: ...o step 8 If not turn knob on MMC counter clock wise 1 turn and check voltage again For units with ECM board increase the output voltage by 3 0 VDC and check voltage again If no change in voltage go to...

Страница 62: ...tromechanical Controls 4366 8349 TSC 092 102 F 3 4 W Electromechanical Controls 4366 8352 THC 092 102 F 3 4 TSC120F 3 4 W Electromechanical Controls 4366 8351 THC120E 3 4 Electromechanical Controls Sc...

Страница 63: ...C 072 090 F ReliaTel Controls 4366 7441 THC120E ReliaTel Controls 4366 8251 THC 092 120 E ReliaTel Controls with Multi Zone VAV 4366 1534 TSC 092 102 F ReliaTel Controls 4366 7443 THC092 102 TSC120 F...

Страница 64: ...ot included This limited warranty does not cover failure of your combination Electric Electric air conditioner if it is damaged while in your possession failure attributable or caused by unreasonable...

Страница 65: ...elated service labor and diagnosis calls are not included Warrantor s obligations and liabilities under this warranty are limited to furnishing F O B Warrantor factory or warehouse at Warrantor design...

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Страница 68: ...vanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvement and...

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