Carrier 48TJ016-028- Manuals

Carrier 48TJ016-028– User Manual, Manual in PDF format online.

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User Manual
Manual

User Manual Carrier 48TJ016-028

Summary

Page 2 - Instructions continued cm page 9.; ACCESSORY; Fig. 1 — Horizontal Supply/Return Adapter Installation

INSTALLATION Inspect unit for transportation danage. If cktmage is found, file claim with transportation agency. Step 1 — Provide Unit Support ROOF CURB — Assemble and install accessoiy roof curb or horizontiil adapter roof cuifi in accordance witli instinctions shipped with this accessoiy. See Fig....

Page 3 - Fig. 2 — Roof Curb Details

PKG. NO. REF. CURB HEIGHT DESCRIPTION CRRFCURB010A00 2" (305) Standard Curb 14" High CRRFCURB011A00 2'- 0"(610) Standard Curb for Units Requiring High Installation CRRFCURB012A00 2'- 0"(610) Side Supply and Return Curb for High Installation NOTES: K ROOF CURB ACCESSORY 15 SHIPPED D15...

Page 4 - A CAUTION; Fig. 3 — Rigging Detaiis

NOTES; 1. Dimensions in ( ) are in millimeters. 2. Refer to Fig. 4 and 5 for unit operating weights.3. Remove boards at ends of unit and runners prior to rigging.4. Rig by inserting hooks into unit base rails as shown. Use corner post from packaging to protect coil from damage. Use bumper boards for...

Page 5 - HP m PLCS

UNIT STD UNIT WEIGHT ECONOMIZER WEIGHT CORNER A CORNER B CORNER C CORNER D DIMA DIM B DIM C lb kg lb kg lb kg lb kg lb kg lb kg ft-in. mm ft-in. mm ft-in. mm 48TJD, TJF016 1650 748 90 41 423 192 386 175 403 183 438 199 3-5 1041 3-5 1041 1-10 559 48TJD, TJF020 1800 816 90 41 432 196 410 186 461 209 4...

Page 7 - Table 1 — Physical Data

Table 1 — Physical Data UNIT 48TJ 016D/F 020D/F 024D/F 028D/F 208/230, 460 V 1 575 V NOMINAL CAPACITY (tons) 15 18 20 25 OPERATING WEIGHT (lb) Economizer Roof Curb 1650 90 200 1B00 90 200 1850 90 200 2000 90 200 COMPRESSOR Quantity...Model (Ckt 1, Ckt 2) Number of Refrigerant Circuits Oi!(oz)(Ckt1,C...

Page 10 - Step 7 — Orifice Change

INDUCED DRAFT MOTOR COMBUSTION MAIN BURNER HEAT EXCHANGER FAN HOUSING SECTION SECTION Pig -|o — Combustion Fan Housing Location Fig. 11 — Condensate Drain Details (48TJ016 Shown) Step 7 — Orifice Change — This unit is factoiy as sembled for heating operation using natural gas at an elevation from s...

Page 11 - step 8 — Install Gas Piping; A WARNING; step 9 — Make Electrical Connections; Fig. 14 — Field Power Wiring Connections

step 8 — Install Gas Piping — Unit is equipped for use with natui'iil gas. Installation must conform with local building codes or. in the absence of lociil codes, with the National Fuel Gas Code. ANSI Z22.3.1. Install field-supplied manual gas shutoff valve with a Vs-in. NPT pressure tap for test ga...

Page 12 - Fig. 15 — Field Control Thermostat Wiring; PI P Pi; OHO; Fig. 16 — Optional Non-Fused Disconnect Wiring

OPTIONAL NON-FUSED DISCONNECT — On units with the optional non-fused disconnect, incoming power will be wired into the disconnect switch. Refer to Fig, 16 for wiring for 100 and 200 amp disconnect switches. Units with an MOCP under 100 will use the 100 amp disconnect switch. Units with an MOCP over ...

Page 13 - Table 5 — Electrical Data; ABC

Table 5 — Electrical Data UNIT 48TJ NOMINAL VOLTAGE (3 Ph, 60 Hz) VOLTAGE RANGE COMPRESSOR OFM IFM POWER EXHAUST COMBUSTION FAN MOTOR POWER SUPPLY No. 1 No. 2 Min Max RLA LRA RLA LRA Qty Hp FLA (ea) Hp FLA FLA LRA FLA MCA MOCP* 016 (15 Tons) 208/230 187 253 25.6 190 25.6 190 3 0.5 1.7 3.7 10.5/11.0 ...

Page 14 - Section Details; Step 11 — Install Outdoor-Air Hood; Fig. 18 — Outdoor-Air Hood Component Location

step 10 — Make Outdoor-Air Inlet Adjust ments MANUAL OUTDOOR-AIR DAMPER ^ All units (except those equipped with a factoiy-instiilled economizer) have a manual outdoor-air damper to provide ventilation air. Damper can be preset to admit up to 25% outdoor air into return-£iir compartment. To adjust, ...

Page 15 - step 12 — Install All Accessories; Accessory 0° F Low Ambient Kit; Fig. 21 — Wind Baffle Details; Fig. 22 — Motormaster I Sensor Locations

step 12 — Install All Accessories — install all field-installed accessories. Refer to the accessoiy installation instructions included with each accessoiy. MOTORMASTER® I CONTROL INSTALLATION (48TJ0I6,020 UNITS) Install Field-Fabricated Wind Baffles — Wind baffles must be field-fabricated for all un...

Page 16 - IS NOT REQUIRED ON; Ó O Ò O Ó; O Q O O O; Motormaster V Control; UNIT; Table 7 — Applicable Voltages and Motors

MOTORMASTER® V CONTROL INSTALLATION (48TJ024,028 UNITS) Install Lield-Fabricated Wind Baffles — Wind baffles must be field-fabricated for all units to ensure proper cooling cycle operation at low ambient temperatures. See Fig. 21 for baffle details. Use 20-gage, galvanized sheet metal, or similar co...

Page 17 - step 13 — Adjust Factory-Installed Options; X f M N N; Fig. 24 — PremierLink Controller

step 13 — Adjust Factory-Installed Options PREMIERLINKTM CONTROL — The PremierLink control ler is available as a special order from the factoiy and is compatible with the CiU'rier Comfort Network® (CCN) system. This control is designed to allow usere the access and ability to change factoiy-defmed...

Page 18 - Fig. 25 — PremierLinkTM Controls Wiring

*lt PremierLink control is in thermostat mode, tTB2 terminal designations for 24 vac discrete inputs. Default is for DDC control. OATPLSATSPT TB Outdoor Air Temperature Sensor PlugSupply Air Temperature Sensor Space Temperature Sensor Terminal Block Fig. 25 — PremierLink™ Controls Wiring

Page 20 - mm; Eioafv; Fig. 26 — Enthalpy Switch/Receiver Dimensions; Fig. 27 — Enthalpy Sensor Dimensions

.251 (6.35mn>) 3 ™ 3 " 4.253" (108.03mmJ 33CSENTHSW © mm Hi LCW GNO Eioafv Mcdel«: HHSTZCO03 Pcwar: 24 VAC Oajp«t: 10 AFona. IC 24 VAC Sourced Power o (95.25mm) 3 3 ■ Thermistor - Humidity Sensor Fig. 26 — Enthalpy Switch/Receiver Dimensions (33CSENTHSW) .25' (8,36 mm) ^ o:' 3 Oí 4,253...

Page 21 - Fig. 29 — Differential Enthalpy Control Wiring

DIFFERENTIAL ENTHALPY CONTROL (Fig. 29) — Differentiiil enthalpy control requires both an enthiilpy switch/ receiver (.33CSENTHSW) and an enthtJpy sensor (33CSENTSEN), The enthalpy switch/receiver is mounted in the outdoor air inlet and calculates outdoor air enthalpy. The enthalpy sensor is mounted...

Page 24 - Fig. 36 — EconoMiSer2 Wiring

LEGEND DCV — Demand Controlled Ventilation lAQ — Indoor Air Quality LALS — Low Temperature Compressor Lockout Switch OAT — Outdoor-Air Temperature POT — Potentiometer Potentiometer Detault Settings: Power Exhaust MiddleMinimum Pos, DCV Max. DCV Set Enthalpy Fully Closed Middle Middle C Setting NOTES...

Page 25 - Table 12 — EconoMI$erlV Sensor Usage; Ik; Fig. 37 — EconoMi$erlV Controller Potentiometer

ECONOMISERIV STANDARD SENSORS Outdoor Air Temperature (OAT) Sensor — The outdoor air temperature sensor (HH57AC074) is a 10 to 20 mA device used to measure the outdoor-air temperature. The outdoor-air temperature is used to determine when the EconoMi$erIV can be used for free cooling. Tire sensor mu...

Page 26 - Fig. 39 — Return Air Temperature or

Fig. 38 — Outside Air Temperature Changeover Set Points Outdoor Enthalpy Changeover — For enthalpy control, ac- cessoiy enthalpy sensor (part number HH57AC078) is required Replace the stanckird outdoor diy bulb temperature sensor with the accessoiy entlialpy sensor in the same mounting location. Se...

Page 27 - Fig. 40 — Enthalpy Changeover Set Points; Sensor Maximum Range Setting

85 90 95 100 105 110 (29) (32) (35) (38) (41) (43) ■HIGH LIMIT CURVE APPROXIMATE DRY BULB TEMPERATURE— °F fC) Fig. 40 — Enthalpy Changeover Set Points 6000 5000 4000 3000 2000 1000 CO 2 SENSOR MAX RANGE SETTING Fig. 41 — EconoMi$erlV Controller 2 3 4 5 6 7 8 DAMPER VOLTAGE FOR MAX VENTILATION RATE F...

Page 31 - TXV; Unit Preparation

CONDENSER CO!L SUCTION S-LPSSUB COOLER CONTROL LOW PRESSURE SWITCH EQUALIZER LINE TXV — Thermostatic Expansion Valve Fig. 45 — MoistureMiSer’^“ Dehumidification Package Operation Diagram START-UP Use the following infoniiation and Stait-Up Checklist on page CL-1 to check out unit PRIOR to stait-up. ...

Page 32 - Table 14 — Fan Performance — 48TJD016 (Low Heat Units)

Table 14 — Fan Performance — 48TJD016 (Low Heat Units) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIHFLOW (cfm) 0.2 0.4 0.6 0.8 1.0 1,2 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 4500 809 1.53 1317 906 1.74 1502 994 1.96 1690 1078 2.18 1882 1156 2.41 2077 12...

Page 33 - Table 16 — Fan Performance — 48TJD028 (Low Heat Units); Table 17 — Fan Performance — 48TJF016 (High Heat Units)

Table 16 — Fan Performance — 48TJD028 (Low Heat Units) AVAiLABLE EXTERNAL STATIC PRESSURE (in. wg) AIHFLOW (cfm) 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 7,000 941 3.35 2769 1002 3.80 3140 1061 4.27 3528 1117 4.76 3934 1171 5.27 4356...

Page 34 - Table 19 — Fan Performance — 48TJF028 (High Heat Units)

Table 18 — Fan Performance — 48TJF020 and 024 (High Heat Units) AVAILABLE EXTERNAL STATIC PRESSURE (iti, wg) AiHFLOW (cfm) 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 5,500 795 2,43 2043 866 2.74 2306 934 3.07 2578 998 3.40 2856 1059 3....

Page 35 - Table 20 — Air Quantity Limits; Table 21 — Accessory/FlOP Static Pressure*; Table 22 — Accessory/FlOP Static Pressure*; Table 23 — MolstureMISer’'“ Dehumldlflcatlon

Table 20 — Air Quantity Limits UNIT48TJ MINIMUM COOLING CFM MINIMUM HEATING CFM MAXIMUM CFM Low Heat High Heat 016 4500 3800 3800 7,500 020 5400 4750 5450 9,000 024 6000 4750 5450 10,000 028 7000 4750 5450 11,250 Table 21 — Accessory/FlOP Static Pressure* (In. wg) —48TJ016 COMPONENT CFM 4500 5000 60...

Page 36 - Table 25 — Evaporator-Fan Motor Data; Table 26 — Evaporator-Fan Motor Efficiency; Operating Sequence

Table 25 — Evaporator-Fan Motor Data UNIT 48TJ UNIT VOLTAGE MAXIMUM ACCEPTABLE CONTINUOUS ВНР* MAXIMUM ACCEPTABLE CONTINUOUS BkW* MAXIMUM ACCEPTABLE OPERATING WATTS MAXIMUM AMP DRAW 016 208/230 4.25 3.17 3,775 10.5 460 4.25 3.17 3,775 4.8 575 3.45 2.59 3,065 3,9 020 208/230 5.90 4.40 5,180 15.8 460 ...

Page 38 - Fig. 46 — DX Cooling Temperature

into the zone. The supply air will maintiiin the space tempera ture between the heating and cooling set points as indicated in Fig. 47. Tlie PremierLink''''* will integrate the compressors stages with the economizer based on similar logic as the three routines listed in the previous section. Tlie S...

Page 39 - Fig. 48 — Typical Gas Heating Section; Totaline Environmentally Sound Coil Cleaner Application

SERVICE ^ WARNING Before performing service or maintenance operations on unit, turn off main power switch to unit and install lockout tag on disconnect switch. Electrical shock could cause personell injuiy. Cleaning — inspect unit interior at beginning of each heating and cooling season and as oper...

Page 40 - Fig. 49 — Removing Heat Exchanger Ceramic; Lubrication; Evaporator Fan Performance Adjustment

10. Ensure surfaces are not allowed to diy before rinsing. Reapplying cleaner as needed to ensure 10-minute saturation is achieved. 11. Thoroughly rinse till surfaces witli low velocity clean water using downward rinsing motion of water spray nozzle. Protect fins from ckimage from the spray nozzle....

Page 41 - Evaporator Fan Service and Replacement; Motor Section

Evaporator Fan Service and Replacement 48TJ016 UNITS (See Fig. 51) NOTE; To remove belts only, follow Steps 1-6. 1. Remove filter and supply-air section panels. Remove unit top panel.Loosen carriage nuts A tmd B holding motor mount assembly to fan scroll side plates.Loosen screw C.Rotate motor mount...

Page 42 - Do not manually operate economiz,er; Refrigerant Charge; Fig. 55 — Cooling Charging Chart

9. Slide out the motor and motor mounting plate. 10. Disconnect wiring connections and remove the 4 mount ing bolts. 11. Remove tlie motor. 12. To instiill the new motor, reverse Steps 1-11. Belt Tension Adjustment — To adjust belt tension: 1. Loosen fan motor bolts. 2. a Size 016 Units: Move motor...

Page 44 - Optional Hinged Access Doors; Fig. 57 — Spark Gap Adjustment

Optional Hinged Access Doors — When the optional service package is ordered or tlie if the hinged access doors option is ordered, the unit will be provided with external and internal hinged access doore to facilitate service. Four external hinged access doors are provided. All externiil doors ai'e p...

Page 46 - COMPONENT ARRANGEMENT; PII; IZI; EX; u u

COMPONENT ARRANGEMENT C O N T R O L B O X PII CD CD CD® C IO ! C IO ? IZI EX H'B o C A P S B O T T O M C A P 2 M iO D lE C A P ! T O P o o <D(IKr> <D® ® <2)0® <D® ® LED 0 ( 3 )© I® <ID ® ® ® < 0 ) ® ( 0 ) I® © @ ® <s> ® I<5C buio ODIi2 0U1O ODU2 m [p[SEI] E Q U IP C H D...

Page 47 - LEGEND AND NOTES FOR FIG. 58 AND 59

LEGEND AND NOTES FOR FIG. 58 AND 59 LEGEND AHA — Adjustable, Heat Anticipator SN — Sensor BKR W/AT — Breaks with Amp Turns TB — Terminal Block C — Contactor, Compressor TC — Thermostat Cooling CAP — Capacitor TH — Thermostat Heating CB — Circuit Breaker TRAN — Transformer CC — Cooling Compensator CL...

Page 49 - Table 27 — Cooling Service Analysis

Table 27 — Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and Condenser Fan Will Not Start. Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or control relay. Replace component. In...

Page 50 - Table 28 — Heating Service Analysis

Table 28 — Heating Service Analysis PROBLEM CAUSE REMEDY Burners Will Not Ignite. Misaligned spark electrodes. Check flame ignition and sensor electrode positioning. Adjust as needed. No gas at main burners. Check gas line for air; purge as necessary. After purging gas line of air, allow gas to diss...

Page 51 - IGC

1 FLASH - ШЮОН FAN DELAY МООИта (^SATING) 2 FLA&CS - OPENING OF UWKT swnt>» 3 FLASHES - FLAPyE SEmOR IfOtCAIES RAI«e WriN CLO^D GAS VALVE 4 FLASHES - UWr SWiTCH CYCim 4 TIMES CW SINGLE CALL FOR HEAT 5 FLASHES - KSNmON LOCKOUT (No i^iKxxi 15 n^iutes) 6 FLASHES ' »®UCe3 DRAFT MOTCIR FALH.T (No ...

Page 52 - Table 30 — EconoMI$erlV Input/Output Logic; AClUATOR

Table 30 — EconoMI$erlV Input/Output Logic INPUTS OUTPUTS Demand Control Ventilation (DCV) Enthalpy* Y1 Y2 Compressor N Terminait Outdoor Return Stage 1 Stage 2 Occupied Unoccupied Damper Below set (DCV LED Off) High(Free Cooling LED Off) Low On On On On Minimum position Closed On Off On Off Oft Off...

Page 53 - INDEX

INDEX Altitude compensation 10 Burner spark gap 44 Carrier Comfort Network® 17 Changeover set points 26 Charging chart, refrigerant 42 Clearance 5,6 CO 2 sensor Configuration 2d Settings 27,29 Combustion blower wheel 40 Compressor Lubrication 40 Mounting JI Rotation JI Concentric duct 9 Condensate d...

Page 54 - SERVICE TRAINING; Packaged Service Training; Unit Familiarization; Classroom Service Training

SERVICE TRAINING Packaged Service Training programs iue an excellent way to increase your knowledge of the equipment discussed in this manual, including; Unit Familiarization Installation Overview Maintenance Operating Sequence A large selection of product, theoiy, and skills programs are available,...