Carrier 48GC04 Service And Maintenance Instructions Download | Manualshive

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480212-01

Printed in U.S.A.

Form 48GC-4-6-01SM Rev. A Pg 1

8-19

Replaces: New

Service and Maintenance Instructions

SAFETY CONSIDERATIONS   . . . . . . . . . . . . . . . . . . . 2
UNIT ARRANGEMENT AND ACCESS  . . . . . . . . . . . . 3
General  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Routine Maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filters  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SUPPLY FAN (BLOWER) SECTION  . . . . . . . . . . . . . . 4
Supply Fan (Direct-Drive)  . . . . . . . . . . . . . . . . . . . . . . 4
Staged Air Volume   . . . . . . . . . . . . . . . . . . . . . . . . . . 11
COOLING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Condenser Coil  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Condenser Coil Maintenance and Cleaning

Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . 11

Evaporator Coil  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
THERMOSTATIC EXPANSION VALVE (TXV)   . . . . . 13
TXV Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Replacing TXV  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Refrigerant System Pressure Access Ports  . . . . . . 14
PURON (R-410A) REFRIGERANT   . . . . . . . . . . . . . . 15
Refrigerant Charge  . . . . . . . . . . . . . . . . . . . . . . . . . . 15
COOLING CHARGING CHARTS  . . . . . . . . . . . . . . . . 15
COMPRESSOR   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Replacing Compressor  . . . . . . . . . . . . . . . . . . . . . . . 17
Compressor Rotation  . . . . . . . . . . . . . . . . . . . . . . . . 17
Filter Drier   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Condenser-Fan Adjustment  . . . . . . . . . . . . . . . . . . . 17
Troubleshooting Cooling System  . . . . . . . . . . . . . . 19
CONVENIENCE OUTLETS   . . . . . . . . . . . . . . . . . . . . 20
Convenience Outlets   . . . . . . . . . . . . . . . . . . . . . . . . 20
Installing Weatherproof Cover  . . . . . . . . . . . . . . . . . 20
Non-Powered Type  . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Unit-Powered Type  . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Duty Cycle  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fuse on Powered Type  . . . . . . . . . . . . . . . . . . . . . . . 21
SMOKE DETECTORS   . . . . . . . . . . . . . . . . . . . . . . . . 21
System  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Controller  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Smoke Detector Sensor  . . . . . . . . . . . . . . . . . . . . . . 21
Smoke Detector Locations  . . . . . . . . . . . . . . . . . . . . 22
Completing Installation of Return Air Smoke

Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

FIOP Smoke Detector Wiring and Response  . . . . . 23
SENSOR AND CONTROLLER TESTS  . . . . . . . . . . . 24
Sensor Alarm Test   . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Controller Alarm Test  . . . . . . . . . . . . . . . . . . . . . . . . 24
Dirty Controller Test  . . . . . . . . . . . . . . . . . . . . . . . . . 24
Dirty Sensor Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Changing the Dirt Sensor Test   . . . . . . . . . . . . . . . . 25

Remote Station Test   . . . . . . . . . . . . . . . . . . . . . . . . .25
SD-TRK4 Remote Alarm Test Procedure . . . . . . . . .25
Remote Test/Reset Station Dirty Sensor Test . . . . .25
Dirty Sensor Test Using an SD-TRK4   . . . . . . . . . . .25
Detector Cleaning   . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Indicators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
PROTECTIVE DEVICES  . . . . . . . . . . . . . . . . . . . . . . .27
Compressor Protection  . . . . . . . . . . . . . . . . . . . . . . .27
Relief Device   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Control Circuit, 24-V   . . . . . . . . . . . . . . . . . . . . . . . . .27
GAS HEATING SYSTEM   . . . . . . . . . . . . . . . . . . . . . .27
General  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Fuel Types and Pressures   . . . . . . . . . . . . . . . . . . . .28
Flue Gas Passageways  . . . . . . . . . . . . . . . . . . . . . . .28
Combustion-Air Blower . . . . . . . . . . . . . . . . . . . . . . .28
Burners and Igniters  . . . . . . . . . . . . . . . . . . . . . . . . .29
Burner Ignition  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Orifice Replacement   . . . . . . . . . . . . . . . . . . . . . . . . .32
Troubleshooting Heating System . . . . . . . . . . . . . . .34
SYSTEMVU CONTROL SYSTEM . . . . . . . . . . . . . . . .36
SystemVu Interface  . . . . . . . . . . . . . . . . . . . . . . . . . .36
Additional SystemVu Installation and

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .36

RTU OPEN CONTROL SYSTEM . . . . . . . . . . . . . . . .37
Sensory/Accessory Installation . . . . . . . . . . . . . . . .37
Additional RTU Open Installation and

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .38

ECONOMIZER SYSTEMS   . . . . . . . . . . . . . . . . . . . . .38
EconoMi$er2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
EconoMi$er IV (Field-Installed Accessory)  . . . . . . .40
Economi$er X (Factory Option)   . . . . . . . . . . . . . . . .47
PRE-START-UP/START-UP  . . . . . . . . . . . . . . . . . . . .60
START-UP, GENERAL  . . . . . . . . . . . . . . . . . . . . . . . .60
Unit Preparation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Additional Installation/Inspection   . . . . . . . . . . . . . .60
Gas Piping   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Return-Air Filters  . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Outdoor-Air Inlet Screens  . . . . . . . . . . . . . . . . . . . . .61
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . .61
Internal Wiring  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Refrigerant Service Ports  . . . . . . . . . . . . . . . . . . . . .61
Compressor Rotation   . . . . . . . . . . . . . . . . . . . . . . . .61
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Main Burner   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Heating  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Ventilation (Continuous Fan)  . . . . . . . . . . . . . . . . . .62
FASTENER TORQUE VALUES  . . . . . . . . . . . . . . . . .62
START-UP, RTU OPEN CONTROLS  . . . . . . . . . . . . .62
START-UP, SYSTEMVU CONTROLS  . . . . . . . . . . . .62

48GC04-06

Single Package Rooftop Gas Heat/Electric Cooling Unit

with Puron

®

(R-410A) Refrigerant

3 to 5 Nominal Tons

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2
3
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Summary of Contents for 48GC04

Page 1: ...24 Sensor Alarm Test 24 Controller Alarm Test 24 Dirty Controller Test 24 Dirty Sensor Test 24 Changing the Dirt Sensor Test 25 Remote Station Test 25 SD TRK4 Remote Alarm Test Procedure 25 Remote Te...

Page 2: ...ions which will result in enhanced installation reliability or operation WARNING UNIT OPERATION AND SAFETY HAZARD Failure to follow this warning could cause personal injury death and or equipment dama...

Page 3: ...s 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...

Page 4: ...or s maximum speed Fan speed should be set per job specification CFM cubic feet per minute and ESP external static pressure required and per Fan speed set up label includ ed on the unit s high voltage...

Page 5: ...r the base 3 If installing any accessories listed at the bottom of the Set Up Label add accessory Vdc to base unit Vdc in upper portion of label NOTE The Fan Speed Set Up labels are located on the Hig...

Page 6: ...8 3 8 7 9 1 1500 1625 1750 1875 2000 2125 2250 2375 2500 0 1 0 4 6 7 7 1 7 4 7 7 8 1 8 4 8 8 9 2 9 5 0 1 0 6 7 4 7 7 8 0 8 3 8 7 9 0 9 4 9 7 0 1 0 8 8 0 8 3 8 6 8 9 9 2 9 5 9 9 0 1 1 0 8 5 8 8 9 1 9...

Page 7: ...sted at the bottom of the Set Up Label add accessory RPM to base unit RPM in upper portion of label NOTE The Fan Speed Set Up labels are located on the High Volt age cover in the Control Box 4 Press a...

Page 8: ...not start and run remove the fan assem bly and replace the motor with one having the same part number Do not substitute with an alternate design motor as the voltage speed programming will not be the...

Page 9: ...k 2 Unplug connectors from stator temperature limit switch 3 Remove two screws at front of stator on fan deck 4 Slide fan assembly forward a couple of inches to clear rear brackets and lift assembly o...

Page 10: ...e 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 on motor flange This can be d...

Page 11: ...ADED FIBERS Surface loaded fibers or dirt should be removed with a vacuum cleaner If a vacuum cleaner is not available a soft non metal lic bristle brush may be used In either case the tool should be...

Page 12: ...the upper and lower coil retaining clips on the hairpin end of the coil tube sheets See Fig 20 6 Remove the upper and lower retaining clips Fig 20 Condenser Coil Clips 7 Draw the inner coil inward to...

Page 13: ...g load condi tions by maintaining a preset superheat temperature at the out let of the evaporator coil The volume of refrigerant metered through the valve seat is de pendent upon the following 1 Super...

Page 14: ...piece high flow valves with a recep tacle base brazed to the tubing and an integral spring closed check valve core screwed into the base See Fig 23 This check valve is permanently assembled into this...

Page 15: ...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 pressure gage to t...

Page 16: ...ing Temperature C F Compressor Discharge Pressure Remove Charge if Below the Curve 48TC003194 REV Add Charge if Above the Curve 4 Ton Mid Tier Hot Gas Reheat R 410A CHARGING CHART Unit must run on Sub...

Page 17: ...tops 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 31 The screws m...

Page 18: ...18 Fig 31 Condenser Fan Assembly Screw Pattern Sequence 1 2 3 4 5 NO SCREW Blank Tab...

Page 19: ...ace thermostat Faulty outdoor fan cooling or indoor fan heating motor or capacitor Replace faulty part Restriction in refrigerant system Locate restriction and remove Defective loader plug Determine c...

Page 20: ...f a general purpose 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...

Page 21: ...prevent smoke from circulating throughout the building It is not to be used as a life saving device Controller The controller see Fig 35 includes a controller housing a printed circuit board and a cle...

Page 22: ...e Fig 37 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...

Page 23: ...the sampling tube connec tion is on the bottom and the exhaust tube is on the top 5 Connect the flexible tube on the sampling inlet to the sam pling tube on the basepan 6 For units with an economizer...

Page 24: ...he 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 100...

Page 25: ...tinuously or sooner if conditions warrant 1 Disconnect power from the duct detector then remove the sensor s cover See Fig 44 2 Using a vacuum cleaner clean compressed air or a soft bristle brush remo...

Page 26: ...tor must be reset in order to restore it to the normal state RESETTING ALARM AND TROUBLE CONDITION TRIPS Manual reset is required to restore smoke detector systems to Normal operation For installation...

Page 27: ...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...

Page 28: ...This 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 t...

Page 29: ...e projection Refer to Fig 51 for maximum projection dimension for orifice face to manifold tube Fig 51 Orifice Projection REMOVAL AND REPLACEMENT OF GAS TRAIN See Fig 46 50 52 and 53 1 Shut off manual...

Page 30: ...ut ermost burners are pinched off to prevent excessive gas flow from the side of the burner assembly If the pinched crossovers are installed between two burners the flame will not ignite properly 7 Re...

Page 31: ...changer 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 NOx unit also remove the baffle...

Page 32: ...of fault history 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 Ta bl...

Page 33: ...33 Fig 57 Integrated Gas Control IGC Board RED LED STATUS...

Page 34: ...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...

Page 35: ...l 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 res...

Page 36: ...bright sunlight See Fig 59 SystemVu Interface This integrated device is the keypad interface used to access the control information read sensor values and test the unit The interface is located in th...

Page 37: ...hrough the raceway built into the corner post of the unit or secured to the unit con trol box with electrical conduit The unit raceway provides the UL required clearance between high and low voltage w...

Page 38: ...Component Locations Fig 63 EconoMi er2 Component Locations WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal inju ry death and or equipment damage Disconnect and...

Page 39: ...2 is operated by a 4 to 20 mA signal from an existing field supplied control ler See Fig 64 for wiring information 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW RUN RED WHITE ECONOMI ER2 PL...

Page 40: ...gram is available to help with EconoMi er IV training and troubleshooting See Fig 66 and Table 14 for further details Fig 65 EconoMi er IV Functional View LEGEND Fig 66 Typical EconoMi er IV W7212 Con...

Page 41: ...ield installed 3 K thermistor located on the fan deck See Fig 68 The operating range of temperature measurement is 0 F to 158 F 18 C to 70 C See Table 15 for sensor temperature resistance values Fig 6...

Page 42: ...nthalpy changeover set point the outdoor air damper moves to its minimum position The outdoor enthalpy changeover set point is set with the out door enthalpy set point potentiometer on the EconoMi er...

Page 43: ...25 0 3 RETURN DUCT STATIC PRESSURE in wg RELIEF FLOW CFM 3 5 Ton Vertical Economizers Vertical Economizers 0 1000 2000 3000 4000 5000 6000 RETURN AIR FLOW CFM 3 5 Ton HORIZONTAL ECONOMIZER BAROMETRIC...

Page 44: ...lation position The maximum demand ventilation position should be turned fully clockwise Adjust the minimum position potentiometer to allow the mini mum amount of outdoor air as required by local code...

Page 45: ...on rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15...

Page 46: ...nds after the Exhaust LED turns on 7 Return EconoMi er IV settings and wiring to normal after completing troubleshooting DCV MINIMUM AND MAXIMUM POSITION To check the DCV minimum and maximum position...

Page 47: ...he system The W7220 economizer module pro vides the basic inputs and outputs to provide simple economiz er control When used with the optional sensors the economiz er module provides more advanced eco...

Page 48: ...Temperature 40 to 150 F 40 to 65 C Exception of display operation down to 4 F 20 C with full recovery at 4 F 20 C from exposure to 40 F 40 C Storage Temperature 40 to 150 F 40 to 65 C Shipping Temper...

Page 49: ...nges Menu structure and selection User Interface The user interface consists of a 2 line LCD display and a 4 but ton keypad on the front of the economizer controller Keypad Use the four navigation but...

Page 50: ...Up Exit button to return to the previous menu Menu Structure Table 20 illustrates the complete hierarchy of menus and pa rameters for the EconoMi er X system The Menus in display order are STATUS SET...

Page 51: ...re Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F 40 to 140 F OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _F...

Page 52: ...T LOW SPEED Only displays if unit is set for 2 or 3 speed and CO2 is not used If using 2 speed with 1 heat and 1 cool then set for HEATING ventilation If using 3 speed with 1 heat and 2 cool then set...

Page 53: ...f using 2 speed fan mode you must program CONV mode for W Shutdown is not available in 2 speed fan mode See Menu Note 4 In HP O B mode HP O energize heat pump on Cool default HP B energize heat pump o...

Page 54: ...adjust for an out of calibration temperature sensor 2SP FAN DELAY 5 Minutes 0 to 20 minutes in 1 minute increments TIME DELAY ON SECOND STAGE ECONOMIZING When in economizing mode this is the delay for...

Page 55: ...N A N A OUTSIDE AIR TEMPERATURE SENSOR ERROR Outdoor air temperature sensor has failed or become disconnected check wiring then replace if the alarm continues ACT ERROR N A N A ACTUATOR ERROR Actuato...

Page 56: ...nd ary the conditions are not good to economize and the mode is set to NO Figure 81 shows the 5 current boundaries There is also a high limit boundary for differential enthalpy The high limit bound ar...

Page 57: ...3 DLY in Advanced setup COOL Y2 OUT will be turned ON after the delay time specified N A Not applicable STATE FAN SPEED OCC Low Y1 Low Y2 High W High INPUTS OUTPUTS DEMAND CONTROLLED VENTILATION DCV O...

Page 58: ...N DCV OUTSIDE AIR GOOD TO ECONOMIZE W HEAT ON COOL Y1 IN COOL Y2 IN COOL Y1 OUT COOL Y2 OUT FAN SPEED reference only DAMPER POSITION OCCUPIED UNOCCUPIED NONE NO ON N A N A OFF OFF MEDIUM MIN POS M Clo...

Page 59: ...the time of installa tion or at any time during the operation of the system as a test that the system is operable TROUBLESHOOTING Alarms The economizer module provides alarm messages that display on...

Page 60: ...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...

Page 61: ...rners 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 belo...

Page 62: ...ended there is a 10 minute period during which the modification can occur If the limit switch trips during this period the evaporator fan off delay will increase by 15 seconds A maximum of 9 trips ca...

Page 63: ...1 60 5 208 230 3 60 6 460 3 60 Design Revision Factory Design Revision Base Unit Controls 0 Electro mechanical Controls can be used with field installed W7212 EconoMi er IV Non Fault Detection and Di...

Page 64: ...ct Max Cont BHP 0 44 0 72 1 06 RPM Range 189 1890 190 1900 215 2150 Fan Qty Type 1 Vane Axial 1 Vane Axial 1 Vane Axial Fan Diameter in 16 6 16 6 16 6 Medium Static 1 Phase Motor Qty Drive Type 1 Dire...

Page 65: ...F 195 115 Temperature Rise F 45 85 30 65 25 65 HIGH No of Stages No of Burners total 1 3 Connection Size 1 2 in NPT Rollout Switch Opens Closes F 195 115 Temperature Rise F 45 80 35 80 LIQUID PROPANE...

Page 66: ...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...

Page 67: ...select the best motor drive combination for your application 5 The Fan Performance tables offer motor drive recommendations In cases when two motor drive combinations would work the lower horsepower...

Page 68: ...P RPM BHP RPM BHP RPM BHP RPM BHP 900 1994 0 55 2121 0 66 2241 0 78 2354 0 91 2461 1 04 975 2029 0 58 2155 0 70 2274 0 82 2386 0 95 1050 2066 0 61 2190 0 73 2307 0 86 2419 0 99 1125 2104 0 65 2227 0 7...

Page 69: ...75 2029 9 3 2155 9 8 1050 2066 9 4 1125 2104 9 6 1200 2144 9 8 1275 1350 1425 1500 Medium Static 1129 2190 RPM 48GC 04 SINGLE PHASE HIGH STATIC 3 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STA...

Page 70: ...P RPM BHP RPM BHP RPM BHP RPM BHP 900 1994 0 55 2121 0 66 2241 0 78 2354 0 91 2461 1 04 975 2029 0 58 2155 0 70 2274 0 82 2386 0 95 1050 2066 0 61 2190 0 73 2307 0 86 2419 0 99 1125 2104 0 65 2227 0 7...

Page 71: ...75 2029 9 3 2155 9 8 1050 2066 9 4 1125 2104 9 6 1200 2144 9 8 1275 1350 1425 1500 Medium Static 1129 2190 RPM 48GC 04 THREE PHASE HIGH STATIC 3 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STAT...

Page 72: ...AL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1200 2011 0 87 2126 1 02 2236 1 19 2341 1 37 2442 1 56 1300 2061 0 93 2174 1 09 2281 1 26 2383 1 44 1400 2114 1 00...

Page 73: ...00 2011 9 3 2126 9 8 1300 2061 9 5 1400 2114 9 7 1500 1600 1700 1800 1900 2000 Medium Static 1262 2170 RPM 48GC 05 SINGLE PHASE HIGH STATIC 4 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC...

Page 74: ...P RPM BHP 1200 2011 0 87 2126 1 02 2236 1 19 2341 1 37 2442 1 55 1300 2061 0 93 2174 1 09 2281 1 26 2384 1 44 2482 1 62 1400 2114 1 00 2224 1 17 2329 1 34 2429 1 52 2526 1 71 1500 2169 1 08 2277 1 25...

Page 75: ...0 1900 2000 Medium Static 1262 2170 RPM 48GC 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 Vdc RPM Vdc RPM Vdc R...

Page 76: ...35 CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1500 2079 0 95 2185 1 10 2285 1 26 2381 1 43 1625 2144 1 04 2248 1 20 2346 1 36 1750 2211 1...

Page 77: ...5 1750 1560 6 5 1717 7 2 1859 7 8 1986 8 3 2103 8 8 1875 1650 6 9 1798 7 5 1935 8 1 2059 8 6 2174 9 1 2000 1741 7 3 1881 7 9 2012 8 4 2134 8 9 2246 9 4 2125 1832 7 7 1965 8 2 2091 8 7 2209 9 2 2320 9...

Page 78: ...26 2381 1 43 2473 1 60 1625 2144 1 04 2248 1 20 2346 1 36 2440 1 53 2530 1 71 1750 2212 1 14 2313 1 31 2410 1 48 2502 1 65 2590 1 83 1875 2281 1 25 2381 1 43 2475 1 60 2566 1 78 2653 1 97 2000 2351 1...

Page 79: ...2281 9 5 2381 10 0 2000 2351 9 8 2125 2250 2375 2500 Medium Static 1387 2390 RPM 48GC 06 THREE PHASE HIGH STATIC 5 TON VERTICAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6...

Page 80: ...HP RPM BHP 900 1980 0 54 2107 0 65 2225 0 77 2337 0 89 2443 1 02 975 2013 0 57 2139 0 68 2258 0 80 2369 0 93 2475 1 06 1050 2048 0 60 2173 0 71 2291 0 84 2401 0 96 1125 2083 0 63 2207 0 75 2324 0 87 2...

Page 81: ...139 9 8 1050 2048 9 4 2173 9 9 1125 2083 9 5 1200 2119 9 7 1275 2156 9 8 1350 1425 1500 Medium Static 1097 2190 RPM 48GC 04 SINGLE PHASE HIGH STATIC 3 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTER...

Page 82: ...HP RPM BHP 900 1980 0 54 2107 0 65 2225 0 77 2337 0 89 2443 1 02 975 2013 0 57 2139 0 68 2258 0 80 2369 0 93 2475 1 06 1050 2048 0 60 2173 0 71 2291 0 84 2401 0 96 1125 2083 0 63 2207 0 75 2324 0 87 2...

Page 83: ...139 9 8 1050 2048 9 4 2173 9 9 1125 2083 9 5 1200 2119 9 7 1275 2156 9 8 1350 1425 1500 Medium Static 1097 2190 RPM 48GC 04 THREE PHASE HIGH STATIC 3 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERN...

Page 84: ...8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1200 1978 0 83 2094 0 98 2204 1 15 2308 1 32 2409 1 50 1300 2025 0 89 2138 1 05 2246 1 21 2349 1 39 2447 1 57 1400 2074 0 95 2185 1 11 2291 1 28 2391 1 4...

Page 85: ...2138 9 9 1400 2074 9 6 1500 2124 9 8 1600 1700 1800 1900 2000 Medium Static 1217 2170 RPM 1 06 Max BHP 48GC 05 SINGLE PHASE HIGH STATIC 4 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PR...

Page 86: ...3 2094 0 98 2204 1 15 2308 1 32 2409 1 50 1300 2025 0 89 2138 1 05 2246 1 21 2349 1 39 2447 1 57 1400 2073 0 95 2185 1 11 2291 1 28 2392 1 46 2488 1 64 1500 2124 1 02 2233 1 19 2338 1 36 2437 1 54 253...

Page 87: ...1700 1800 1900 2000 Medium Static 1216 2170 RPM 48GC 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 RPM Vdc RPM Vdc RPM Vd...

Page 88: ...AL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1500 2036 0 89 2143 1 04 2245 1 20 2342 1 36 1625 2095 0 97 2201 1 13 2301 1 29 1750 2157 1 06 2261 1 22 2359 1 39...

Page 89: ...1796 7 5 1926 8 1 2046 8 6 1875 1589 6 6 1731 7 2 1867 7 8 1993 8 3 2110 8 8 2000 1677 7 0 1810 7 6 1940 8 1 2062 8 6 2177 9 1 2125 1765 7 4 1890 7 9 2015 8 4 2133 8 9 2244 9 4 2250 1855 7 8 1972 8 3...

Page 90: ...2201 1 13 2301 1 29 2396 1 46 2487 1 63 1750 2157 1 06 2261 1 22 2359 1 39 2453 1 56 2543 1 74 1875 2219 1 15 2322 1 32 2419 1 49 2511 1 67 2599 1 85 2000 2284 1 26 2384 1 43 2480 1 61 2571 1 79 2658...

Page 91: ...9 3 2322 9 7 2000 2284 9 6 2384 10 0 2125 2350 9 8 2250 2375 2500 Medium Static 1335 2390 RPM 48GC 06 THREE PHASE HIGH STATIC 5 TON HORIZONTAL SUPPLY RPM VDC CFM AVAILABLE EXTERNAL STATIC PRESSURE in...

Page 92: ...0 48TC002340 94 48TC002791 100 460 575 3 60 48TC002959 95 48TC002956 101 04 06 RTU Open Controller Factory Option 208 230 1 60 48TC002961 48TM002983 96 48TC002955 99 208 230 3 60 48TC002340 48TM002983...

Page 93: ...93 APPENDIX D WIRING DIAGRAMS Fig B 48GC 04 06 Electro Mechanical Control Wiring Diagram 208 230 1 60 with W7220 Control...

Page 94: ...94 APPENDIX D WIRING DIAGRAMS Fig C 48GC 04 06 Electro Mechanical Control Wiring Diagram 208 230 3 60 with W7220 Control...

Page 95: ...95 APPENDIX D WIRING DIAGRAMS Fig D 48GC 04 06 Electro Mechanical Control Wiring Diagram 460 575 3 60 with W7220 Control...

Page 96: ...96 APPENDIX D WIRING DIAGRAMS Fig E 48GC 04 06 208 230 1 60 Unit with RTU Open Controller...

Page 97: ...97 APPENDIX D WIRING DIAGRAMS Fig F 48GC 04 06 208 230 3 60 Unit with RTU Open Controller...

Page 98: ...98 APPENDIX D WIRING DIAGRAMS Fig G 48GC 04 06 460 575 3 60 Unit with RTU Open Controller...

Page 99: ...99 APPENDIX D WIRING DIAGRAMS Fig H 48GC 04 06 Power Wiring Diagram 208 230 1 60...

Page 100: ...100 APPENDIX D WIRING DIAGRAMS Fig I 48GC 04 06 Power Wiring Diagram 208 230 3 60...

Page 101: ...101 APPENDIX D WIRING DIAGRAMS Fig J 48GC 04 06 Power Wiring Diagram 460 575 3 60...

Page 102: ...102 APPENDIX D WIRING DIAGRAMS Fig K 48GC 04 06 SystemVu Control Wiring Diagram All Voltages...

Page 103: ...103 APPENDIX D WIRING DIAGRAMS Fig L 48GC 04 06 SystemVu Power Wiring Diagram 208 230 1 60...

Page 104: ...104 APPENDIX D WIRING DIAGRAMS Fig M 48GC 04 06 SystemVu Power Wiring Diagram 208 230 3 60...

Page 105: ...105 APPENDIX D WIRING DIAGRAMS Fig N 48GC 04 06 SystemVu Power Wiring Diagram 460 575 3 60...

Page 106: ...ing obligations Catalog No 04 53480212 01 Printed in U S A Form 48GC 4 6 01SM Rev A Pg 106 8 19 Replaces New Carrier Corporation 2019 APPENDIX E LOW AMBIENT CONTROL SENSOR LOCATION Fig O 48GC 04 Outdo...

Page 107: ...as pressure to unit gas valve is within specified range Y N _____ Check gas piping for leaks Y N _____ Check that indoor air filters are clean and in place Y N _____ Check that outdoor air inlet scree...

Page 108: ...N _____ IV HUMIDI MIZER SYSTEM START UP STEPS 1 Start unit In cooling Close Y1 Y N _____ OBSERVE AND RECORD A Suction pressure _______________ PSIG B Discharge pressure _______________ PSIG C Enterin...

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