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Service and Maintenance Instructions

48TC**04 --- 16

Nominal 3 to 15 Tons

with Puron



(R---410A) Refrigerant

TABLE OF CONTENTS

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . .

UNIT ARRANGEMENT AND ACCESS

. . . . . . . . . . .

ROUTINE MAINTENANCE

. . . . . . . . . . . . . . . . . . . . .

SUPPLY FAN (BLOWER) SECTION

. . . . . . . . . . . . . .

STAGED AIR VOLUME CONTROL (SAV) -- 2 SPEED

FAN WITH VARIABLE FREQUENCY

DRIVE (VFD)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ADDITIONAL VARIABLE FREQUENCY DRIVE

(VFD) INSTALLATION AND TROUBLESHOOTING. 8

SUPPLY FAN MOTOR

. . . . . . . . . . . . . . . . . . . . . . . . . .

COOLING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EVAPORATOR COIL METERING DEVICES

. . . . . .

PURON

(R--410A) REFRIGERANT

. . . . . . . . . . . . .

COOLING CHARGING CHARTS

. . . . . . . . . . . . . . . .

COMPRESSOR

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONVENIENCE OUTLETS

. . . . . . . . . . . . . . . . . . . .

SMOKE DETECTORS

. . . . . . . . . . . . . . . . . . . . . . . . .

SENSOR AND CONTROLLER TESTS

. . . . . . . . . . .

INDICATORS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PROTECTIVE DEVICES

. . . . . . . . . . . . . . . . . . . . . . .

GAS HEATING SYSTEM

. . . . . . . . . . . . . . . . . . . . . .

PREMIERLINK



CONTROL

. . . . . . . . . . . . . . . . . . .

RTU--OPEN CONTROL SYSTEM

. . . . . . . . . . . . . . . .

SENSORY/ACCESSORY INSTALLATION

. . . . . . . .

HUMIDI--MIZER ADAPTIVE DEHUMIDIFICATION

SYSTEM

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ECONOMIZER SYSTEMS

. . . . . . . . . . . . . . . . . . . . .

PRE--START--UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP, GENERAL

. . . . . . . . . . . . . . . . . . . . . . . .

START--UP, PREMIERLINK



CONTROLS

. . . . . . .

START--UP, RTU--OPEN CONTROLS

. . . . . . . . . . . .

FASTENER TORQUE VALUES

. . . . . . . . . . . . . . . . .

APPENDIX I. PHYSICAL DATA

. . . . . . . . . . . . . . . .

APPENDIX II. FAN PERFORMANCE

. . . . . . . . . . . .

APPENDIX III. WIRING DIAGRAMS

111

. . . . . . . . . . .

APPENDIX IV. MOTORMASTER SENSOR

LOCATIONS

149

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

UNIT START-UP CHECKLIST

151

. . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment

can be hazardous due to system pressure and electrical

components. Only trained and qualified service personnel

should install, repair, or service air-conditioning

equipment. Untrained personnel can perform the basic

maintenance functions of replacing filters. Trained service

personnel should perform all other operations.

When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to

the unit, and other safety precautions that can apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations.

Have fire extinguishers available for all brazing

operations.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for brazing operations. Have

fire extinguisher available. Read these instructions

thoroughly and follow all warnings or cautions attached to

the unit. Consult local building codes and National

Electrical Code (NEC) for special requirements.

Recognize safety information. This is the safety--ALERT
symbol

. When you see this symbol on the unit and in

instructions or manuals, be aware of the potential for

physical injury hazards.

Understand the signal words

DANGER

WARNING

, and

CAUTION

These

words

are

used

with

the

safety--ALERT symbol.

DANGER

indicates a hazardous

situation which, if not avoided,

will

result in death or

severe personal injury.

WARNING

indicates a hazardous

situation which, if not avoided,

could

result in death or

personal injury.

CAUTION

indicates a hazardous

situation which, if not avoided,

could

result in minor to

moderate injury or product and property damage.

NOTICE

is used to address practices not related to

Содержание 48TC 04 Series

Страница 1: ...rvice air conditioning equipment Untrained personnel can perform the basic maintenance functions of replacing filters Trained service personnel should perform all other operations When working on air...

Страница 2: ...than standard R 22 systems Do not use R 22 service equipment or components on Puron refrigerant equipment WARNING UNIT DAMAGE HAZARD Failure to follow this caution may result in reduced unit performa...

Страница 3: ...and usage patterns dictate Air Conditioning S Ensure condenser fan motor mounting bolts are tight S Ensure compressor mounting bolts are tight S Condenser fan blade positioning S Inspect control box f...

Страница 4: ...e filters Check screens for cleanliness Remove the screens when cleaning is required Clean by washing with hot low pressure water and soft detergent Replace all screens before restarting the unit Obse...

Страница 5: ...ctrical Options A None C Non Fused Disconnect D Thru The Base Connections F Non Fused Disconnect and Thru The Base Connections G 2 Speed Indoor Fan VFD Controller J 2 Speed Fan Controller VFD and Non...

Страница 6: ...ulley setscrews and motor mounting bolts to torque specifications 4 Recheck belt tension Inspect the belt for signs of cracking fraying or glazing along the inside surfaces Check belt tension by using...

Страница 7: ...rtion of the collar The cap screw has a Torx T25 socket head To tighten the locking collar Hold the locking collar tightly against the inner race of the bearing and torque the cap screw to 55 60 in lb...

Страница 8: ...he motor s painted base Tighten motor mounting bolts to 120 12 in lbs BLOWER PULLEY V BELT MOTOR PULLEY MOTOR MOTOR MOUNTING PLATE MOUNTING BOLTS 4 C11504 Fig 12 Replacing Belt Driven Motor Use the fo...

Страница 9: ...llow this caution can result in premature wear and damage to equipment Do not use a screwdriver or a pry bar to place the new V belt in the pulley groove This can cause stress on the V belt and the pu...

Страница 10: ...Coil The condenser coil uses new NOVATION Heat Exchanger Technology or Microchannel Heat Exchanger Coil MCHX This is an all aluminum construction with louvered fins over single depth crosstubes The c...

Страница 11: ...er rinse Periodic Clean Water Rinse A periodic clean water rinse is very beneficial for coils that are applied in coastal or industrial environments However it is very important that the water rinse i...

Страница 12: ...essure drop CAUTION Totaline Environmentally Sound Coil Cleaner Application Equipment S 2 1 2 gallon garden sprayer S Water rinse with low velocity spray nozzle Totaline Environmentally Sound Coil Cle...

Страница 13: ...tarting at each horizontal header tube Failure to develop frost at an outlet tube can indicate a plugged or a missing orifice THERMOSTATIC EXPANSION VALVE TXV All 48TC units equipped with Humidi MiZer...

Страница 14: ...over temperature condi tions y using wet rags and directing the torch flame tip away from the TXV body Connect the liquid line to the TXV inlet by repeating the above process 9 Route equalizer tube t...

Страница 15: ...15 48TC 7 5 TON 2 COMP REHEAT 48TC 8 5 10 TON 2 COMP REHEAT C14125 C14126 C14127 48TC 12 5 TON 2 COMP REHEAT C14128 Fig 20 TXV Sensor Bulb Locations 48TC...

Страница 16: ...der access valve on the bottom when removing liquid refrigerant Because Puron R 410A refrigerant is a blend it is strongly recommended that refrigerant always be removed from the cylinder as a liquid...

Страница 17: ...ion Pressure 140psig 965 kPa Suction Temperature should be 60_F 16_C Using the Base Cooling Charging Charts Read the suction pressure gauge record the pressure Read the outdoor ambient temperature and...

Страница 18: ...five minutes then recheck conditions against the charging chart Repeat the charge adjustment procedure until the plotted test condition falls on the charging curve When charging procedure is completed...

Страница 19: ...ocedure is completed remove the bypass wiring on the Motormaster control Readjust the cooling thermostat setting and the humidistat setting to appropriate design setpoints Size E16 Unit size E16 two c...

Страница 20: ...the liquid line temperature Plot the test discharge pressure using the X axis and test liquid temperature using the Y axis on the unit charging chart If the plotted test condition point is to the left...

Страница 21: ...5 Tons 31 Charging Chart 48TC Size D E09 48TM502362 Rev 2 0 12 10 Tons 32 Charging Chart 48TC Size D E12 48TM501446 Rev 3 0 14 12 5 Tons 33 Charging Chart 48TC Size D E14 With Round Tube Plate Fin Co...

Страница 22: ...32 115 46 105 41 95 35 85 29 75 24 65 18 55 13 47 7 OUTDOOR TEMP F C C12132 Fig 23 Charging Chart 48TC Size A04 1241 1172 1103 1034 965 896 827 758 690 621 552 180 170 160 150 140 130 120 110 100 90...

Страница 23: ...7 32 115 46 105 41 95 35 85 29 75 24 65 18 55 13 47 7 OUTDOOR TEMP F C C12134 Fig 25 Charging Chart 48TC Size A06 1241 1172 1103 1034 965 896 827 758 690 621 552 180 170 160 150 140 130 120 110 100 90...

Страница 24: ...OOR TEMP F C 115 46 105 41 95 35 85 29 75 24 65 18 55 13 45 7 1 7 C13220 Fig 27 Charging Chart 48TC Size A08 48TM500886 3 0 8 5 TON CHARGING CHART R410A REFRIGERANT SUCTION LINE PRESSURE PSIG SUCTION...

Страница 25: ...TION LINE TEMPERATURE F SUCTION LINE TEMPERATURE C C13222 Fig 29 Charging Chart 48TC Size A12 48TM501445 3 0 7 5 TON CHARGING CHART R410A REFRIGERANT SUCTION LINE PRESSURE PSIG SUCTION LINE PRESSURE K...

Страница 26: ...46 3 0 SUCTION LINE PRESSURE PSIG SUCTION LINE PRESSURE KILOPASCALS 552 690 827 965 1103 1241 SUCTION LINE TEMPERATURE F SUCTION LINE TEMPERATURE C 80 100 120 140 160 180 30 40 50 60 70 80 90 OUTDOOR...

Страница 27: ...27 COOLING CHARGING CHARTS cont C14064 Fig 33 Cooling Charging Charts 12 5 Ton 48TC...

Страница 28: ...28 COOLING CHARGING CHARTS cont C13217 Fig 34 Charging Chart 48TC Size D14 with Novation Coil 48TC...

Страница 29: ...29 COOLING CHARGING CHARTS cont C13218 Fig 35 Charging Chart 48TC Size D16 48TC...

Страница 30: ...30 COOLING CHARGING CHARTS cont C10666 Fig 36 Charging Chart 48TC Size B04 Humidi MiZer in Reheat 1 48TC...

Страница 31: ...31 COOLING CHARGING CHARTS cont C10667 Fig 37 Charging Chart 48TC Size B05 Humidi MiZer in Reheat 1 48TC...

Страница 32: ...32 COOLING CHARGING CHARTS cont C10668 Fig 38 Charging Chart 48TC Size B06 Humidi MiZer in Reheat 1 48TC...

Страница 33: ...33 COOLING CHARGING CHARTS cont C10669 Fig 39 Charging Chart 48TC Size B07 Humidi MiZer in Reheat 1 48TC...

Страница 34: ...inity for moisture Do not remove the compressor s tube plugs until ready to insert the unit suction and discharge tube ends Compressor Rotation On 3 phase units with scroll compressors it is important...

Страница 35: ...ressor Operates Continuously Dirty air filter Replace air filter Unit undersized for load Decrease load or replace with larger unit Thermostat set too low Reset thermostat Low refrigerant charge Locat...

Страница 36: ...the unit s control box access panel See Fig 41 C08283 UNIT VOLTAGE CONNECT AS PRIMARY CONNECTIONS TRANSFORMER TERMINALS 208 230 240 L1 RED YEL L2 BLU GRA H1 H3 H2 H4 460 480 L1 RED Splice BLU YEL L2...

Страница 37: ...ts and align with the gasket tighten the two screws until snug Do not over tighten 4 Mount the weatherproof cover to the backing plate as shown in Fig 43 5 Remove two slot fillers in the bottom of the...

Страница 38: ...EPARATELY COUPLING MAGNETIC TEST RESET SWITCH ALARM TROUBLE POWER DIRTY SENSOR COVER COVER GASKET ORDERING OPTION SENSOR HOUSING AND ELECTRONICS EXHAUST GASKET EXHAUST TUBE DUCT SMOKE SENSOR INTAKE GA...

Страница 39: ...sampling tube is the same RETURN AIR SENSOR Operating Position Shown SCREWS 2 SAMPLE TUBE CONTROLLER MODULE C12050 Fig 50 Return Air Sensor Operating Position FIOP Smoke Detector Wiring and Response...

Страница 40: ...40 C14052 Fig 51 Typical Smoke Detector System Wiring 48TC...

Страница 41: ...s the controller s ability to initiate a dirty sensor test and indicate its results NOTICE Pressing the controller s test reset switch for longer than seven seconds will put the duct detector into the...

Страница 42: ...relay contacts 3 5 4 1 3 2 SD TRK4 2 1 TB3 18 Vdc 18 Vdc Auxiliary equipment Wire must be added by installer Smoke Detector Controller C08247 Fig 52 Remote Test Reset Station Connections NOTICE If the...

Страница 43: ...ARM POWER TEST RESET SWITCH TROUBLE C07298 Fig 54 Controller Assembly NOTE All troubles are latched by the duct smoke detector The trouble condition must be cleared and then the duct smoke detector mu...

Страница 44: ...linebreak motor protection Over Temperature The compressor has an internal protector to protect it against excessively high discharge gas temperatures High Pressure Switch The system is provided with...

Страница 45: ...the dimpled secondary tubes The secondary tubes pass through the length of the heating plenum and return to the induced draft fan inlet next to the burner section On 48TC size 16 the tubes are arrange...

Страница 46: ...DE SHOT LIMIT SWITCH DOWN SHOT LIMIT SWITCH C12592 Fig 57 Limit Switch Location Table 11 Natural Gas Manifold Pressure Ranges UNIT SIZES LOW FIRE HIGH FIRE RANGE 48TCD 48TCS 04 07 08 09 NA 3 5 in wg 8...

Страница 47: ...dues that have settled to the bottom of the tank Operation under these conditions can cause harm to the heat exchanger system Contact your fuel supplier if this condition is suspected PNK W2 TSTAT GRA...

Страница 48: ...OR ASSEMBLY SUPPORT INSULATION ASSEMBLY WIND CAP ASSEMBLY SHOWN INVERTED AS SHIPPED REGULATOR REGULATOR GASKET C08227 Fig 60 Typical Heat Exchanger Assembly Sizes 04 14 Heater Tube Assembly Inducer Fa...

Страница 49: ...e Integ rated Gas Unit Controller IGC See Fig 64 RACEWAY INTEGRATED GAS UNIT CONTROLLER IGC HOLE IN END PANEL HIDDEN C08454 Fig 64 Unit Control Box IGC Location 7 Remove the 2 screws that attach the b...

Страница 50: ...heat If unit has two stage gas valve verify high stage heat operation be fore attempting to adjust manifold pressure 5 When main burners ignite check all fittings mani fold and orifices for leaks 6 A...

Страница 51: ...Switch Fault 3 Flashes Flame Sense Fault 4 Flashes 4 Consecutive Limit Switch Faults 5 Flashes Ignition Lockout Fault 6 Flashes Induced Draft Motor Fault 7 Flashes Rollout Switch Fault 8 Flashes Inter...

Страница 52: ...peed sensor gas section analog input J1 1 3 FS T1 Flame sensor gas section switch input W Heat stage 1 LCTB 24 VAC J2 2 RS Rollout switch gas section switch input J2 5 6 LS Limit switch fan section sw...

Страница 53: ...LH32RF104 0 1040 38 LH32RF102 0 1015 39 LH32RF103 0 0995 40 LH32RF098 0 0980 41 LH32RF096 0 0960 42 LH32RF094 0 0935 43 LH32RF089 0 0890 44 LH32RF086 0 0860 45 LH32RF082 0 0820 46 LH32RF080 0 0810 47...

Страница 54: ...68 400 361 91 200 7000 2134 42 43 200 42 64 800 361 86 400 8000 2438 43 40 800 43 61 200 372 81 600 9000 2743 43 38 400 43 57 600 382 76 800 10000 3048 442 36 000 442 54 000 40 72 000 11000 3353 442...

Страница 55: ...2 87 400 311 114 000 7000 2134 382 51 840 382 82 800 321 108 000 8000 2438 392 48 960 392 78 200 331 102 000 9000 2743 40 46 080 40 73 600 331 96 000 10000 3048 41 43 200 41 69 000 351 90 000 11000 33...

Страница 56: ...400 483 114 000 7000 2134 534 51 840 524 82 800 493 108 000 8000 2438 534 48 960 524 78 200 493 102 000 9000 2743 534 46 080 534 73 600 503 96 000 10000 3048 544 43 200 534 69 000 503 90 000 11000 33...

Страница 57: ...XX1 XX2 XX3 XX4 ACC KIT PN CRLPELEV001A00 CRLPELEV002A00 CRLPELEV003A00 CRLPELEV004A00 PROPANE GAS Table 21 Altitude Compensation Models 48TC08 14 D E F S R T ELEVATION NOMINAL HEAT INPUT 72k BTUH 12...

Страница 58: ...through dealer ORIFICE XX7 XX8 XX9 ACC KIT PN CRLPELEV007A00 CRLPELEV008A00 CRLPELEV009A00 Table 23 Altitude Compensation Models 48TC16 D E F S R T PROPANE GAS ELEVATION NOMINAL HEAT INPUT 150k BTUH...

Страница 59: ...e to ensure full fire operation Wire the outdoor air thermostat OALT part no HH22AG106 in series with the second stage gas valve See Fig 70 Set the outdoor air thermostat at 35_F 2 _C for stainless st...

Страница 60: ...gas pressure at manifold Clock gas meter for input If too low increase manifold pressure or replace with correct orifices Unit undersized for application Replace with proper unit or add additional un...

Страница 61: ...nutes Check igniter and flame sen sor electrode spacing gaps etc Check flame sense and igniter wiring Check gas valve operation and gas supply Check gas valve connections to IGC terminals BRN lead mus...

Страница 62: ...OP accessory EconoMi er 2 package Refer to Fig 71 for PremierLink connection locations NOTE Refer to PremierLinkt Installation Start Up and Configuration Instructions Have a copy of this manual availa...

Страница 63: ...ons and the unit s wiring diagrams ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death and or equipment damage Disconnect and lock out tagout electrical power...

Страница 64: ...dification demand the Humidistat is above its set point but no thermostat Y1 call the unit will operate in Reheat2 mode The Supply Fan Motor and the Compressor will be energized through the Reheat Con...

Страница 65: ...is operating in a full load Cooling Mode with the space temperature above the set point and both Y1 and Y2 calling and the space humidity is also above its set point the humidistat will close and the...

Страница 66: ...R LEAVING AIR INDOOR ENTERING AIR DSVx VALVE CSVx VALVE METERING DEVICE TXV CLOSED VALVE OPEN VALVE ACUTROL METERING DEVICE C12648 Fig 75 Subcooling Reheat 1 Mode Sizes 04 07 Type 1 Humidi MiZer Syste...

Страница 67: ...LVE OUTDOOR AIR RDV2 VALVE LDV2 VALVE TXV METERING DEVICE TXV METERING DEVICE CLOSED VALVE OPEN VALVE 3 WAY VALVE INDOOR LEAVING AIR INDOOR ENTERING AIR CONDENSER COIL CIR 1 CIR 2 CIR 1 CIR 2 C12706 F...

Страница 68: ...G CR1 DHRA DHRB 4 5 OUT COMP2 IN ECON Y2 DHRB CR2 LEGEND LEGEND COMP COMPRESSOR CR COOLING RELAY 24 VDC COIL COM TO GROUND DHR DEHUMIDIFICATION RELAY 24 VDC COIL DSV DISCHARGE LINE SOLENOID VALVE ECON...

Страница 69: ...NECTION NOTE COMP1 DO 24 vac J1A 5 5 CTB HEAT 6 IFM DO 24 vac J1B 2 8 CTB REHEAT 2 COMP2 DO 24 vac J1B 4 10 CTB REHEAT 8 2 circ only CSV 1 2 DO 24 vac J2 2 FPT BLK FPT1 2 1 circ only 2 circ only DSV1...

Страница 70: ...S RCB BOARD VALVES Y1 Y2 W1 G HUM LTLO COMP1 COMP2 IFM CSV1 CLV1 CSV2 CLV2 NOT LSV DSV1 RDV1 DSV2 RDV2 OFF OFF OFF ON OFF Normal Fan OFF OFF ON OFF OFF NA OFF OFF ON OFF OFF ON OFF Normal Cool1 ON OFF...

Страница 71: ...Nbr Fig Unit Connection Note COMP1 DO 24 vac J1A 5 5 CTB HEAT 6 IFM DO 24 vac J1B 2 8 CTB REHEAT 2 COMP2 DO 24 vac J1B 4 10 CTB REHEAT 8 CSV 1 2 DO 24 vac J2 2 LDV1 2 DSV1 DO 24 vac J2 3 RDV1 NOT LSV...

Страница 72: ...ON OFF ON OFF OFF OFF OFF ON ON OFF ON OFF NORMAL COOL2 ON ON ON OFF OFF OFF OFF OFF OFF ON X OFF NORMAL HEAT1 OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON ON REHEAT DEHUMIDIFY ON ON ON ON ON ON ON ON OF...

Страница 73: ...by closing Humidistat with Y1 closed Observe Reduction in suction pressure 5 to 7 psi expected Discharge pressure unchanged Liquid temperature drops to 50 55 F range LSV solenoid energized valve close...

Страница 74: ...ower J1 24VAC J1B 3 9 CTB R 24V Power J2 24 VAC J2 1 CTB R Econ Y2 DI 24VAC J1B 5 11 CTB REHEAT 7 2 circuit only COMP1 DO 24VAC J1A 5 5 CTB HEAT 6 IFM DO 24VAC J1B 4 8 CTB REHEAT 2 COMP2 DO 24VAC J1B...

Страница 75: ...d wiring Check wiring and voltage at RCB Pin J2 1 Check Control Terminal Board CTB Terminal R Check TRAN primary secondary circuit breaker Check TRAN2 primary secondary circuit breaker when used Check...

Страница 76: ...Low Suction Pressure and High Discharge Pressure During Reheat1 and Reheat2 Type 1 TXV in Humidi MiZer coil not controlling super heat Check TXV operation or mounting Repair or replace Loss of Compres...

Страница 77: ...ON ON G ON ON OFF OFF OFF OFF OFF ON X ON Heat Over ride Heat 1 OFF OFF ON G OFF OFF ON R OFF OFF OFF OFF ON W2 X ON Heat Over ride Heat 1 and 2 OFF OFF ON G OFF OFF ON R OFF OFF Table 35 Normal Cooli...

Страница 78: ...on your unit ECONOMI ER IV CONTROLLER OUTSIDE AIR TEMPERATURE SENSOR LOW AMBIENT SENSOR ACTUATOR WIRING HARNESS C06021 Fig 81 EconoMi er IV Component Locations ECONOMI ER2 PLUG BAROMETRIC RELIEF DAMPE...

Страница 79: ...nimum position Closed On Off On Off Off Off Off Off Low Free Cooling LED On High On On On Off Modulating between min position and full open Modulating between closed and full open On Off Off Off Off O...

Страница 80: ...emperature measurement is 0 to 158_F 18_ to 70_C The temperature sensor looks like an eyelet terminal with wires running to it The sensor is located in the crimp end and is sealed from moisture Outdoo...

Страница 81: ...control the standard outdoor dry bulb sensor is used in conjunction with an additional accessory dry bulb sensor part number CRTEMPSN002A00 The accessory sensor must be mounted in the return airstream...

Страница 82: ...air enthalpy to the return air enthalpy to determine EconoMi er IV use The controller selects the lower enthalpy air return or outdoor for cooling For example when the outdoor air has a lower enthalp...

Страница 83: ...door air as required by local codes to enter the building Make minimum position adjustments with at least 10_F temperature difference between the outdoor and return air temperatures To determine the m...

Страница 84: ...of 20 or base plus 15 cfm per person Use Fig 93 to determine the maximum setting of the CO2 sensor For example an 1100 ppm setpoint relates to a 15 cfm per person design Use the 1100 ppm curve on Fig...

Страница 85: ...turn EconoMi er IV settings and wiring to normal after completing troubleshooting Single Enthalpy To check single enthalpy 1 Make sure EconoMi er IV preparation procedure has been performed 2 Set the...

Страница 86: ...IV settings and wiring to normal after completing troubleshooting EconoMi er IV Troubleshooting Completion This procedure is used to return the EconoMi er IV to operation No troubleshooting or testin...

Страница 87: ...s or discon nected wires etc b Inspect for oil at all refrigerant tubing con nections and on unit base Detecting oil generally indicates a refrigerant leak Leak test all refrigerant tubing connections...

Страница 88: ...caps on the ports are tight Compressor Rotation On 3 phase units with scroll compressors it is important to be certain compressor is rotating in the proper direction To determine whether or not compre...

Страница 89: ...0 seconds and the off delay can be extended to 180 seconds When one flash of the LED is observed the evaporator fan on off delay has been modified If the limit switch trips at the start of the heatin...

Страница 90: ...rm System Check Out 1 Check correctness and tightness of all power and communication connections 2 At the unit check fan and system controls for proper operation 3 At the unit check electrical system...

Страница 91: ...RPM Range 560 854 560 854 770 1175 1073 1457 Motor Frame Size 48 48 48 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 10 x 10 10 x 10 10 x 10 10 x 10 Medium St...

Страница 92: ...115 Temperature Rise 50 80 40 80 35 80 Liquid Propane Heat LOW of stages of burners total 1 2 1 2 1 2 1 2 Connection Size 1 2 in NPT 1 2 in NPT 1 2 in NPT 1 2 in NPT Rollout switch opens closes 195 11...

Страница 93: ...ntrifugal 1 Centrifugal Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 Medium Static 3 phase Motor Qty Drive type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 2 9 2 9 2 4 2 4 RPM range 733 949 733 949 690 936...

Страница 94: ...Diameter in 15 x 15 15 x 15 15 x 15 18 x 18 Medium Static 3 phase Motor Qty Drive type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 3 7 3 7 3 7 3 7 RPM range 838 1084 838 1084 838 1084 627 851 Motor frame siz...

Страница 95: ...ction Size 3 4 in NPT 3 4 in NPT 3 4 in NPT Rollout switch opens closes 195 115 195 115 195 115 Temperature Rise 45 75 40 75 35 70 Liquid Propane Heat LOW of stages of burners total 1 3 1 3 2 4 Connec...

Страница 96: ...ction Size 3 4 in NPT 3 4 in NPT Rollout switch opens closes 195 115 225 145 Temperature Rise 35 70 35 65 Liquid Propane Heat LOW of stages of burners total 2 4 2 6 Connection Size 3 4 in NPT 3 4 in N...

Страница 97: ...r accessories 3 Tabular data accounts for pressure loss due to clean filters unit casing and wet coils Factory options and accessories may add static pressure losses 4 The Fan Performance tables offer...

Страница 98: ...is required Standard static 560 854 RPM 1 2 HP Medium static 770 1175 RPM 1 2 HP Table 46 48TC 04 1 PHASE 3 TON VERTICAL SUPPLY CFM Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 RPM BH...

Страница 99: ...ed Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 48 48TC 04 3 PHASE 3 TON VERTICAL SUPPLY CFM Available External Static Pressu...

Страница 100: ...ndicates field supplied drive is required Standard static 560 854 RPM 1 2 HP Medium static 770 1175 RPM 1 2 HP Table 50 48TC 05 1 PHASE 4 TON VERTICAL SUPPLY CFM Available External Static Pressure in...

Страница 101: ...d Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 52 48TC 05 3 PHASE 4 TON VERTICAL SUPPLY CFM Available External Static Pressur...

Страница 102: ...al Fan Performance Notes Boldface indicates field supplied drive is required Standard static 560 854 RPM 1 2 HP Medium static 770 1175 RPM 1 2 HP Table 54 48TC 06 1 PHASE 5 TON VERTICAL SUPPLY CFM Ava...

Страница 103: ...rive is required Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 56 48TC 06 3 PHASE 5 TON VERTICAL SUPPLY CFM Available External...

Страница 104: ...lied drive is required Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 58 48TC 07 3 PHASE 6 TON VERTICAL SUPPLY CFM Available Ex...

Страница 105: ...equired Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 60 48TC 08 3 PHASE 7 5 TON VERTICAL SUPPLY CFM Available External Static...

Страница 106: ...quired Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 62 48TC 09 3 PHASE 8 5 TON VERTICAL SUPPLY CFM Available External Static...

Страница 107: ...ve is required Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 64 48TC 12 3 PHASE 10 TON VERTICAL SUPPLY CFM Available External...

Страница 108: ...ld supplied drive is required Standard static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 66 48TC 14 3 PHASE 12 5 TON VERTICAL SUPPLY CFM Av...

Страница 109: ...static 560 854 RPM 1 7 HP max Medium static 770 1175 RPM 1 7 HP max High static 1035 1466 RPM 2 4 HP max Table 68 48TC 16 3 PHASE 15 TON HORIZONTAL SUPPLY CFM Available External Static Pressure in wg...

Страница 110: ...atic 1687 1649 1610 1572 1533 1495 1457 1418 1380 1341 1303 07 3 phase Standard Static 1457 1419 1380 1342 1303 1265 1227 1188 1150 1111 1073 Medium Static 1518 1484 1449 1415 1380 1346 1311 1277 1242...

Страница 111: ...48TM501325 L 48TM501326 L 460 3 60 48TM501325 L 48TM501326 L 575 3 60 48TM501325 L 48TM501327 N D14 208 230 3 60 48TM501379 M 48TM501380 K 460 3 60 48TM501379 M 48TM501380 K 575 3 60 48TM501379 M 48T...

Страница 112: ...110 111 48TC D16 Control Power 208 230 3 60 460 3 60 Power 575 3 60 98 119 120 UNITS WITH HUMIDI MIZER SYSTEM 48TC B04 07 Control Power 208 230 1 60 Power 208 230 3 60 460 3 60 Power 575 3 60 99 112...

Страница 113: ...113 APPENDIX III WIRING DIAGRAMS C12408 Fig 94 48TC A04 A07 Control Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60 48TC...

Страница 114: ...114 APPENDIX III WIRING DIAGRAMS C14065 Fig 95 48TC A08 A12 Control Diagram 208 230 3 60 460 3 60 575 3 60 48TC...

Страница 115: ...115 APPENDIX III WIRING DIAGRAMS C13240 Fig 96 48TC D08 D12 Control Diagram 208 230 3 60 460 3 60 575 3 60 48TC...

Страница 116: ...116 APPENDIX III WIRING DIAGRAMS C13241 Fig 97 48TC D14 Control Diagram 208 230 3 60 460 3 60 575 3 60 48TC...

Страница 117: ...117 APPENDIX III WIRING DIAGRAM LIST C12412 Fig 98 48TC D16 Control Diagram 208 230 3 60 460 575 3 60 48TC...

Страница 118: ...118 APPENDIX III WIRING DIAGRAM LIST C14066 Fig 99 48TC B04 B07 Control Diagram 208 230 3 60 460 575 3 60 with Humidi MiZert 48TC...

Страница 119: ...119 APPENDIX III WIRING DIAGRAM LIST C12425 Fig 100 48TC E08 E12 Control Diagram 208 230 3 60 460 575 3 60 with Humidi MiZert 48TC...

Страница 120: ...120 APPENDIX III WIRING DIAGRAM LIST C14062 Fig 101 48TC E14 Control 208 230 3 60 460 3 60 575 3 60 with Humidi MiZert 48TC...

Страница 121: ...121 APPENDIX III WIRING DIAGRAM LIST C13243 Fig 102 48TC E16 Control Diagram 208 230 3 60 460 575 3 60 with Humidi MiZert 48TC...

Страница 122: ...122 APPENDIX III WIRING DIAGRAMS C12413 Fig 103 48TC A04 A07 Power Diagram 208 230 1 60 48TC...

Страница 123: ...123 APPENDIX III WIRING DIAGRAMS C12414 Fig 104 48TC A04 A07 Power Diagram 208 230 3 60 460 3 60 48TC...

Страница 124: ...124 APPENDIX III WIRING DIAGRAM LIST C12415 Fig 105 48TC A04 A07 Power Diagram 575 3 60 48TC...

Страница 125: ...125 APPENDIX III WIRING DIAGRAMS C13245 Fig 106 48TC A08 A12 Power Diagram 208 230 3 60 460 3 60 48TC...

Страница 126: ...126 APPENDIX III WIRING DIAGRAM LIST C13246 Fig 107 48TC A08 A12 Power Diagram 575 3 60 48TC...

Страница 127: ...127 APPENDIX III WIRING DIAGRAMS C13484 Fig 108 48TC D08 D12 Power Diagram 208 230 3 60 460 3 60 48TC...

Страница 128: ...128 APPENDIX III WIRING DIAGRAM LIST C13247 Fig 109 48TC D08 D12 Power Diagram 575 3 60 48TC...

Страница 129: ...129 APPENDIX III WIRING DIAGRAMS C13248 Fig 110 48TC D14 Power Diagram 208 230 3 60 460 3 60 48TC...

Страница 130: ...130 APPENDIX III WIRING DIAGRAM LIST C13249 Fig 111 48TC D14 Power Diagram 575 3 60 48TC...

Страница 131: ...131 APPENDIX III WIRING DIAGRAMS C12428 Fig 112 48TC B04 B07 Power Diagram 208 230 1 60 with Humidi MiZert 48TC...

Страница 132: ...132 APPENDIX III WIRING DIAGRAM LIST C12429 Fig 113 48TC B04 B07 Power Diagram 208 230 3 60 460 3 60 with Humidi MiZert 48TC...

Страница 133: ...133 APPENDIX III WIRING DIAGRAM LIST C12430 Fig 114 48TC B04 B07 Power Diagram 575 3 60 with Humidi MiZert 48TC...

Страница 134: ...134 APPENDIX III WIRING DIAGRAMS C12432 Fig 115 48TC E08 E12 Power Diagram 208 230 3 30 460 3 60 with Humidi MiZert 48TC...

Страница 135: ...135 APPENDIX III WIRING DIAGRAM LIST C12433 Fig 116 48TC E08 E12 Power Diagram 575 3 60 with Humidi MiZert 48TC...

Страница 136: ...136 APPENDIX III WIRING DIAGRAMS C12434 Fig 117 48TC E14 Power Diagram 208 230 3 60 460 3 60 with Humidi MiZert 48TC...

Страница 137: ...137 APPENDIX III WIRING DIAGRAM LIST C12435 Fig 118 48TC E14 Power Diagram 575 3 60 with Humidi MiZert 48TC...

Страница 138: ...138 APPENDIX III WIRING DIAGRAM LIST C12422 Fig 119 48TC D16 Power Diagram 208 230 3 60 460 3 60 48TC...

Страница 139: ...139 APPENDIX III WIRING DIAGRAMS C12423 Fig 120 48TC D16 Power Diagram 575 3 60 48TC...

Страница 140: ...140 APPENDIX III WIRING DIAGRAM LIST C12436 Fig 121 48TC E16 Power Diagram 208 230 3 60 460 3 60 with Humidi MiZert 48TC...

Страница 141: ...141 APPENDIX III WIRING DIAGRAMS C12437 Fig 122 48TC E16 Power Diagram 575 3 60 with Humidi MiZert 48TC...

Страница 142: ...142 APPENDIX III WIRING DIAGRAM LIST C14063 Fig 123 48TC A04 12 D08 14 PremierLink Control Diagram 48TC...

Страница 143: ...143 APPENDIX III WIRING DIAGRAM LIST C13485 Fig 124 48TC 16 PremierLink Control Diagram 48TC...

Страница 144: ...144 APPENDIX III WIRING DIAGRAM LIST C13486 Fig 125 48TC A04 07 A08 12 B04 07 D08 14 E08 14 RTU Open Control Diagram 48TC...

Страница 145: ...145 APPENDIX III WIRING DIAGRAM LIST C13487 Fig 126 48TC 16 RTU Open Control Diagram 48TC...

Страница 146: ...146 APPENDIX III WIRING DIAGRAM LIST C14124 Fig 127 48TC D08 14 E08 14 W7220 2 Speed IFM 48TC...

Страница 147: ...147 APPENDIX III WIRING DIAGRAM LIST C13489 Fig 128 48TC D16 E16 W7220 2 Speed IFM Control Diagram 48TC...

Страница 148: ...148 APPENDIX III WIRING DIAGRAMS C14062 Fig 129 48TC E 14 Control Diagram 208 230 3 60 460 3 60 575 3 60 48TC...

Страница 149: ...NS SENSOR C12154 Fig 130 48TC 04 Motormaster Sensor Location SENSOR C12156 Fig 131 48TC 05 06 Motormaster Sensor Location SENSOR C12155 Fig 132 48TC 07 Motormaster Sensor Location SENSOR C12157 Fig 13...

Страница 150: ...CATION SENSOR LOCATION C12441 Fig 136 48TC 16 Motormaster Sensor Location NOTE Motormaster Sensor location for 48TC 14 is unavailable Copyright 2014 Carrier Corp S 7310 W Morris St S Indianapolis IN 4...

Страница 151: ...OR SHARP EDGES j CHECK GAS PIPING FOR LEAKS j CHECK THAT RETURN AIR FILTER IS CLEAN AND IN PLACE j VERIFY THAT UNIT INSTALLATION IS LEVEL j CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFI...

Страница 152: ...10 W Morris St S Indianapolis IN 46231 Edition Date 05 14 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 48TC 4 16 0...

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