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APPENDIX B

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PHYSICAL DATA

48JC 3 TO 5 TON GAS HEAT DATA

48JC UNIT

48JC**04

48JC**05

48JC**06

GAS CONNECTION

No. of Gas Valves

Natural Gas Supply Line Pressure (in. wg)/(psig)

4-13 / 0.18-0.47

Liquid Propane Supply Line Pressure (in. wg)/(psig)

11-13 / 0.40-0.47

HEAT ANTICIPATOR SETTING (AMPS)

First Stage

0.14

Second Stage

0.14

NATURAL GAS HEAT

LOW

No. of Stages / No. of Burners (total)

2 / 2

Connection Size

1/2-in. NPT

Rollout Switch Opens / Closes (°F)

195 / 115

Temperature Rise (°F)

25-55

20-55

MEDIUM

No. of Stages / No. of Burners (total)

2 / 3

Connection Size

1/2-in. NPT

1/2in. NPT

Rollout Switch Opens / Closes (°F)

195 / 115

Temperature Rise (°F)

50-85

35-65

30-65

HIGH

No. of Stages / No. of Burners (total)

—

2 / 3

Connection Size

—

1/2-in. NPT

Rollout Switch Opens / Closes (°F)

—

195 / 115

Temperature Rise (°F)

—

50-80

40-80

LIQUID PROPANE HEAT

LOW

No. of Stages / No. of Burners (total)

2 / 2

Connection Size

1/2-in. NPT

Rollout Switch Opens / Closes (°F)

195 / 115

Temperature Rise (°F)

25-55

20-55

MEDIUM

No. of Stages / No. of Burners (total)

2 / 3

Connection Size

1/2-in. NPT

Rollout Switch Opens / Closes (°F)

195 / 115

Temperature Rise (°F)

50-85

35-65

30-65

HIGH

No. of Stages / No. of Burners (total)

—

2 / 3

Connection Size

—

1/2-in. NPT

Rollout Switch Opens / Closes (°F)

—

195 / 115

Temperature Rise (°F)

—

50-80

40-80

Содержание 48JC04-06

Страница 1: ...ER TESTS 21 Sensor Alarm Test 21 Controller Alarm Test 21 Dirty Controller Test 21 Dirty Sensor Test 21 Changing the Dirt Sensor Test 22 Remote Station Test 22 SD TRK4 Remote Alarm Test Procedure 22 R...

Страница 2: ...stallation reliability or operation WARNING UNIT OPERATION AND SAFETY HAZARD Failure to follow this warning could cause personal injury death and or equipment damage R 410A refrigerant systems operate...

Страница 3: ...ns will need to be periodically replaced or cleaned Filters RETURN AIR FILTERS Return air filters are disposable fiberglass media type Access to the filters is through the small lift out panel located...

Страница 4: ...o directly control RPM Setting the Fan Speed with the SystemVu controls The Fan Speed settings are accessed through the SystemVu interface 1 Check the job specifications for the CFM cubic feet per min...

Страница 5: ...art up Operation and Trouble shooting Instructions NOTE Values in the Field Accessories section are RPM adders Fig 7 Example of Fan Speed Set Up Labels for SystemVu Controls Field Accessories 2500 Eco...

Страница 6: ...trol Wiring Diagram Removing the Motor and Fan Assembly NOTE Due to press fit design of composite Rotor on Motor it is highly recommended that any time a motor is replaced the fan rotor is replaced as...

Страница 7: ...otor wire harness into keyhole feature on the side of the stator and pull wire harness out through grommet 8 Install rotor on motor by lining up one of 9 holes on com posite rotor with one of 9 holes...

Страница 8: ...ded fibers must be completely removed prior to using low velocity clean water rinse PERIODIC CLEAN WATER RINSE A periodic clean water rinse is very beneficial for coils that are applied in coastal or...

Страница 9: ...ipment to flush down between the 2 coil sections to remove dirt and debris If a coil cleaner is used be sure to rinse the coils completely before reassembly 11 Move the inner coil back into position R...

Страница 10: ...etered through the valve seat is de pendent upon the following 1 Superheat temperature is sensed by cap tube sensing bulb on suction tube at outlet of evaporator coil This tempera ture is converted in...

Страница 11: ...e entire core body if neces sary Service tools are available from RCD that allow the re placement of the check valve core without having to recover the entire system refrigerant charge Apply compresso...

Страница 12: ...pe normally used Charts are based on charging the units to the correct sub cooling for the various operating conditions Accurate pressure gage and temperature sensing device are required Connect the p...

Страница 13: ...Chart Unit must be put in Test Mode and set the Humidimizer test compressor speed to 4500 Remove Charge if Below the Curve 48TC004273 REV Add Charge if Above the Curve Outdoor Coil Leaving Temperatur...

Страница 14: ...stops on the fan shaft 5 Tighten set screw to 60 in lb 6 78 Nm 6 Replace condenser fan assembly When replacing the con denser fan assembly follow the screw pattern sequence shown in Fig 26 The screws...

Страница 15: ...15 Fig 26 Condenser Fan Assembly Screw Pattern Sequence 1 2 3 4 5 NO SCREW Blank Tab...

Страница 16: ...nd correct Defective thermostat Replace thermostat Faulty outdoor fan cooling or indoor fan heating motor or capacitor Replace faulty part Restriction in refrigerant system Locate restriction and remo...

Страница 17: ...ose 125 v 15 A circuit powered from a source elsewhere in the building Observe national and local codes when selecting wire size fuse or breaker requirements and disconnect switch size and location Ro...

Страница 18: ...prevent smoke from circulating throughout the building It is not to be used as a life saving device Controller The controller see Fig 30 includes a controller housing a printed circuit board and a cle...

Страница 19: ...Fig 32 Access is through the fan access panel The sampling tube inlet extends through the fan deck into a high pressure area The controller is locat ed on a bracket to the right of the return filter...

Страница 20: ...air smoke sensor module and its detec tor plate 3 Rotate the detector plate so the sensor is facing outwards and the sampling tube connection is on the bottom See Fig 36 Fig 36 Return Air Smoke Detec...

Страница 21: ...The dirty sensor test provides an indication of the sensor s abil ity to compensate for gradual environmental changes A sensor that can no longer compensate for environmental changes is considered 10...

Страница 22: ...flashing continuously or sooner if conditions warrant 1 Disconnect power from the duct detector then remove the sensor s cover See Fig 39 2 Using a vacuum cleaner clean compressed air or a soft brist...

Страница 23: ...tor must be reset in order to restore it to the normal state RESETTINGALARM AND TROUBLE CONDITION TRIPS Manual reset is required to restore smoke detector systems to Normal operation For installation...

Страница 24: ...30 F 5 F 1 C 3 C Reset is automatic at 45 F 7 C SUPPLY INDOOR FAN MOTOR PROTECTION Disconnect and lockout power when servicing fan motor The standard supply fan motor is equipped with internal over cu...

Страница 25: ...his switch also prevents operation when the propane tank lev el is low which can result in gas with a high concentration of impurities additives and residues that have settled to the bot tom of the ta...

Страница 26: ...e projection Refer to Fig 46 for maximum projection dimension for orifice face to manifold tube Fig 46 Orifice Projection REMOVAL AND REPLACEMENT OF GAS TRAIN See Fig 41 45 47 and 48 1 Shut off manual...

Страница 27: ...sovers are installed between two burners the flame will not ignite properly 7 Reinstall burner rack as described in Removal and Replacement of Gas Train section REMOVING THE HEAT EXCHANGER The followi...

Страница 28: ...fan deck 13 Remove the heat exchanger from the unit 14 Separate the following from the heat exchanger inducer fan motor assembly flue cover assembly retainer regula tor regulator gasket and if a Low N...

Страница 29: ...y and the indoor evaporator fan ON OFF times will be reset The LED error code can be observed through the viewport During servicing refer to the label on the control box cover or Table 9 for an explan...

Страница 30: ...30 Fig 52 Integrated Gas Controller IGC Board RED LED STATUS...

Страница 31: ...s line Drain water and install drip leg to trap water No power to furnace Check power supply fuses wiring and circuit breaker No 24 v power supply to control circuit Check transformer Transformers wit...

Страница 32: ...ll W Off Power reset for LED reset 4 consecutive limit switch faults within a single call for heat See Limit Switch Fault 5 Flashes Ignition Fault No gas heating Heat call W Off Power reset for LED re...

Страница 33: ...read sensor values and test the unit The interface is located in the main control box Through the SystemVu interface the user can access all of the inputs and outputs to check on their values and sta...

Страница 34: ...34 Fig 55 Locations of Air Temperature Sensors RETURN AIR TEMPERATURE RAT SENSOR OUTDOOR AIR TEMPERATURE OAT SENSOR SUPPLY AIR TEMPERATURE SAT SENSOR DETAIL A SEE DETAIL A...

Страница 35: ...f a high current or high temperature situation This high current is determine based on the speed ranges so not just one current limit The drive board has its own built in startup and speed ramp protec...

Страница 36: ...converter board or drive board Use the con verter board error code table Table 16 for troubleshooting If the drive board is folding back the speed to protect the current the run ning RPM will alternat...

Страница 37: ...1 SWITCH 2 SWITCH 3 SWITCH 4 04 3Ton 3 3 1 1 05 4Ton 3 4 1 1 06 5Ton 3 5 5 1 Table 15 Converter Board Foldback Codes FOLDBACK CODE FOLDBACK DESCRIPTION Sd01 Configuration Status EEPROM FLASH Sd02 Spee...

Страница 38: ...5 below the specified voltage for the drive 2 Check the DC bus voltage if it is 385VDC 3 Check the compressor is operating within the specified limits 4 If the problem still persists then it is possib...

Страница 39: ...mpressor is operating within specified limits 3 Check the mounting screws on the drive make sure they are tight 4 If the problem still persists replace the drive E 31 Comms to DSP Communication Lost R...

Страница 40: ...rive are possibly defective If problem persists replace the drive E 62 Stator Heater Overcurrent Reg 83 85 Bit13 Compress windings are drawing more current than expected in stator heater mode If probl...

Страница 41: ...g out of the board See Fig 59 and Table 17 for more details on the filter board Fig 59 Filter Board Table 17 Filter Board Inputs Outputs TERMINAL LABEL DESCRIPTION TYPE CONNECTOR L1_IN L2_IN L3_IN Sup...

Страница 42: ...they are the same CHOKE The choke is the heaviest component and used to protect the DC bus from voltage spikes This is wired between the DC output of the drive board and the DC input to the capacitor...

Страница 43: ...r accuracy etc will have a label on the economizer Any economizer without this label does not meet California s Title 24 The five year limited parts warranty referred to in section 140 4 only applies...

Страница 44: ...Refer to the Controls Start up Operation and Troubleshooting Instructions manual for the specific DDC In spect the SAT sensor for relocation as intended during installa tion Inspect special wiring as...

Страница 45: ...ers and heating controls move thermostat setpoint above room temperature and verify that the burners light and evaporator fan is energized Check heating effect then lower the thermostat setting below...

Страница 46: ...s has elapsed since the last call for heating The evaporator fan off delay can also be modified Once the call for heating has ended there is a 10 minute period during which the modification can occur...

Страница 47: ...Louvered Hail Guard R Cu Cu Al Cu Louvered Hail Guard S Cu Cu Cu Cu Louvered Hail Guard Voltage 1 575 3 60 5 208 230 3 60 6 460 3 60 Design Revision Factory Design Revision Base Unit Controls 3 System...

Страница 48: ...2 17 2 17 Total Face Area ft2 5 5 5 5 5 5 EVAPORATOR FAN AND MOTOR Standard Static 3 Phase Motor Qty Drive Type 1 Direct 1 Direct 1 Direct 1 Direct 1 Direct 1 Direct Max Cont BHP 0 44 0 44 0 72 0 72...

Страница 49: ...nnection Size 1 2 in NPT 1 2 in NPT 1 2in NPT Rollout Switch Opens Closes F 195 115 195 115 195 115 Temperature Rise F 50 85 35 65 30 65 HIGH No of Stages No of Burners total 2 3 2 3 Connection Size 1...

Страница 50: ...u select the best motor drive combination for your application 5 The Fan Performance tables offer motor drive recommen dations In cases when two motor drive combinations would work the lower horsepowe...

Страница 51: ...2190 0 73 2301 0 85 2406 0 97 975 1980 0 54 2104 0 65 2221 0 76 2331 0 88 2436 1 01 1050 2015 0 57 2138 0 68 2253 0 80 2362 0 92 2466 1 04 1125 2051 0 60 2172 0 71 2286 0 83 2395 0 96 1200 2088 0 63...

Страница 52: ...9 2 2138 9 8 1125 2051 9 4 2172 9 9 1200 2088 9 5 1275 2127 9 7 1350 2167 9 9 1425 1500 Medium Static 1092 2190 RPM 48JC 04 THREE PHASE HIGH STATIC 3 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNA...

Страница 53: ...53 1 21 2351 1 38 1300 1980 0 82 2089 0 96 2194 1 12 2293 1 28 2389 1 44 1400 2029 0 88 2136 1 03 2238 1 19 2336 1 35 2430 1 52 1500 2080 0 95 2185 1 10 2285 1 26 2381 1 43 2473 1 60 1600 2131 1 02 22...

Страница 54: ...1600 2131 9 8 1700 1800 1900 2000 Medium Static 1190 2170 RPM 48JC 05 THREE PHASE HIGH STATIC 4 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 RPM Vdc RPM...

Страница 55: ...26 2381 1 43 2473 1 60 1625 2145 1 04 2249 1 20 2347 1 37 2440 1 53 2530 1 71 1750 2212 1 14 2314 1 31 2410 1 48 2502 1 65 2590 1 84 1875 2280 1 25 2381 1 43 2476 1 60 2566 1 78 2653 1 97 2000 2351 1...

Страница 56: ...2280 9 5 2381 10 0 2000 2351 9 8 2125 2250 2375 2500 Medium Static 1387 2390 RPM 48JC 06 THREE PHASE HIGH STATIC 5 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6...

Страница 57: ...5 0 83 2390 0 95 975 1965 0 53 2089 0 63 2206 0 75 2315 0 86 2419 0 99 1050 1998 0 56 2121 0 66 2237 0 78 2346 0 90 2450 1 02 1125 2030 0 58 2154 0 70 2269 0 81 2377 0 94 2480 1 06 1200 2064 0 61 2186...

Страница 58: ...030 9 3 2154 9 8 1200 2064 9 4 2186 10 0 1275 2099 9 6 1350 2134 9 7 1425 2170 9 9 1500 Medium Static 1060 2190 RPM 48JC 04 THREE PHASE HIGH STATIC 3 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERN...

Страница 59: ...0 78 2056 0 93 2161 1 07 2261 1 23 2356 1 39 1400 1990 0 84 2099 0 98 2202 1 13 2300 1 29 2395 1 46 1500 2036 0 89 2143 1 04 2245 1 20 2342 1 36 2435 1 53 1600 2084 0 96 2190 1 11 2290 1 27 2385 1 44...

Страница 60: ...1600 2084 9 6 1700 2132 9 8 1800 1900 2000 Medium Static 1148 2170 RPM 48JC 05 THREE PHASE HIGH STATIC 4 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0...

Страница 61: ...2201 1 13 2301 1 29 2396 1 46 2488 1 63 1750 2157 1 06 2261 1 22 2359 1 39 2453 1 56 2542 1 74 1875 2220 1 16 2322 1 32 2419 1 49 2511 1 67 2599 1 85 2000 2284 1 26 2385 1 43 2480 1 61 2571 1 79 2658...

Страница 62: ...9 3 2322 9 7 2000 2284 9 6 2385 10 0 2125 2350 9 8 2250 2375 2500 Medium Static 1335 2390 RPM 48JC 06 THREE PHASE HIGH STATIC 5 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in...

Страница 63: ...RAMS WIRING DIAGRAMS 48JC 04 06 UNITS SIZE VOLTAGE CONTROL PAGE POWER PAGE 04 06 Controller SystemVu Standard 208 230 3 60 48TC003234 64 48TC003238 65 460 3 60 48TC003234 64 48TC003238 65 575 3 60 48T...

Страница 64: ...64 APPENDIX D WIRING DIAGRAMS Fig B 48JC 04 06 Control Wiring Diagram...

Страница 65: ...65 APPENDIX D WIRING DIAGRAMS Fig C 48JC 04 06 Power Wiring Diagram 208 230 460 3 60...

Страница 66: ...any time specifications or designs without notice and without incurring obligations Catalog No 04 53480283 01 Printed in U S A Form 48JC 4 6 01SM Pg 66 10 21 Replaces New 2021 Carrier APPENDIX D WIRI...

Страница 67: ...utdoor air inlet screens are in place Y N ______ Verify that unit is level Y N ______ Check outdoor fan propeller for location in housing orifice and verify setscrew is tight Y N ______ Verify that sc...

Страница 68: ...s condenser coil warms Y N ______ 3 Check unit charge per charging chart Y N ______ 4 Switch unit to HIGH LATENT mode SUBCOOL by turning Humidimizer test to SUBCOOL under the COOL TEST menu Y N ______...

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