Rheem RACA14 Series Скачать руководство пользователя

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FIGURE 26

COMFORT ALERT DIAGNOSIS CHART

SINGLE PHASE UNIT

Status

LED

Status

LED

Description

Status

LED

Troubleshooting

Informatio

Green “POWER”

Module has power

Supply voltage is present at module terminals

Red “TRIP”

Thermostat demand signal

1. Compressor internal overload is open

Y1 is present, but the

2. Broken wire or connector is not making contact

compressor is not

3. Low pressure switch open, if present

running

Compressor contactor has failed open

Yellow “ALERT”

Long Run Time

1. Low refrigerant charge

Flash Code 1

Compressor is

2. Evaporator blower is not running

running extremely

3. Evaporator coil is frozen

long run cycles

4. Faulty TXV

5. Condenser coil is dirty

6. Liquid line restriction (filter drier blocked if present in system)

7. Thermostat is malfunctioning

Yellow “ALERT”

System Pressure Trip

Flash Code 2

Discharge or suction

Condenser coil poor air circulation (dirty, blocked, damaged)

pressure out of limits or

Condenser fan is not running

compressor overloaded

Return

If low pressure switch is present, check flash code (1)
information

air duct has substantial leakage

Yellow “ALERT”

Short Cycling

Thermostat demand signal is intermittent

Hot gas sensor defective, if present

Flash Code 3

Compressor is running

Time delay relay defective, if present

only briefly

Yellow “ALERT”

Locked Rotor

1. Run capacitor has failed

Flash Code 4

2. Low line voltage (contact utility if voltage at disconnect is low)

3. Excessive liquid refrigerant in compressor

4. Compressor bearings are seized

Yellow “ALERT”

Open Circuit

1. Compressor contactor has failed open

Flash Code 5

2. High pressure switch is open, If present

3. Open circuit in compressor supply wiring or connections

4. Unusually long compressor protector reset time due to

extreme ambient temperature

5. Compressor windings are damaged

Yellow “ALERT”

Open Start Circuit

1. Run capacitor has failed

Flash Code 6

Current only in run circuit

2. Open circuit in compressor start wiring or connections

3. Compressor start winding is damaged

Yellow “ALERT”

Open Run Circuit

1. Open circuit in compressor run wiring or connections

Flash Code 7

Current only in start circuit

2. Compressor run winding is damaged

Yellow “ALERT”

Welded Contactor

1. Compressor contactor has failed closed

Flash Code 8

Compressor always runs

2. Thermostat demand signal not connected to module

Yellow “ALERT”

Low Voltage

1. Control circuit transformer is overloaded

Flash Code 9

Control circuit < 17VAC

2. Low line voltage (contact utility if voltage at disconnect is low)

9 2 - 1 0 1 5 3 4 - 0 3 - 0 0

High head pressure

Содержание RACA14 Series

Страница 1: ...7 6 0 18 3 6 5 5 8 1 3 1 6 3 25 8785 5 5 1 6 59 0 1 7 6 16758 7 216 5 17 1 6 1 72 48 16 6 59 3 56211 25 3523 5 167 7 21 8670 17 1 23 5 7 21 2 7 6 81 7 5 7 6 16758 7 216 7 2528 25 77 037 1 167 7 21 25 23 5 7 21 85 72 2 2 7 6 16758 7 216 0 5 68 7 1 03523 5 167 7 21 8670 17 6 59 25 0 17 1 1 3266 5 68 7 1 1 5 75 6 2 3523 57 0 3 5621 1 85 25 7 51 1 62 INDICATES METRIC CONVERSIONS ISO 9001 2000 ISO 9001...

Страница 2: ...e 15 X Condensate Drain 15 XI Electrical Wiring 16 A Power Wiring 16 B Special Instructions for Power Wiring with Aluminum Conductors 16 C Control Wiring 17 D Internal Wiring 17 E Grounding 17 F Thermostat 18 XII Indoor Air Flow Data 18 XIII Crankcase Heat 18 XIV Pre Start Check 18 XV Startup 18 XVI Operation 19 XVII Auxiliary Heat 19 A Control System Operation 19 XVIII Blower Motor Speed Taps 20 ...

Страница 3: ...E TO DO SO CAN RESULT IN SEVERE ELECTRICAL SHOCK OR DEATH WARNING DISCONNECT MAIN ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING TO CHANGE BLOWER SPEEDS FAILURE TO DO SO MAY RESULT IN ELECTRI CAL SHOCK OR SEVERE PERSONAL INJURY OR DEATH WARNING THE UNIT MUST BE PERMANENTLY GROUNDED A GROUNDING LUG IS PRO VIDED IN THE ELECTRIC HEAT KIT FOR A GROUND WIRE SEE FIGURES 11 AND 12 FAILURE TO GROUND THIS ...

Страница 4: ...either shipping or concealed should be filed immediately with the shipping company Check the unit model number electrical characteristics and accessories to determine if they are correct IV SPECIFICATIONS A GENERAL The Packaged Air Conditioner is available without heat or with 5 10 or 15 kW electric heat Cooling capacities of 2 21 2 3 31 2 4 and 5 nominal tons of cooling are available Units are co...

Страница 5: ...le can accurately detect the cause of electrical and system relat ed failures without any external sensors A flashing LED indicator communicates the ALERT code and guides the service technician more quickly and accurately to the root cause of a problem POWER LED Green indicates voltage is present at the power connection of the module ALERT LED Yellow communicates an abnormal system condition throu...

Страница 6: ... that opens near 90 PSIG and closes once the system pressure rises above 135 PSIG The low pressure control is wired in the common side of the control circuitry 4 Comfort Alert With Active Protection A two stage cooling thermostat is required for proper unit operation Manufacturer recommends the use of thermostats that provide active compressor pro tection via the L terminal when the Comfort Alert ...

Страница 7: ...action The thermostat will cycle the system ON for 5 minutes and OFF for five minutes to verify the system fault If this ON OFF cycling repeats for 30 ten minute cycles the thermostat concludes there is a system problem and implements a hard lockout 3 Flash Code 4 Locked Rotor Condition The compressor internal overload trips where the average run time is less than 15 seconds Possible causes Bad ru...

Страница 8: ... some protection 4 Elevating the unit off its slab or base enough to allow air circulation will help avoid holding water against the basepan Regular maintenance will reduce the buildup of contaminants and help to protect the unit s finish 1 Frequent washing of the cabinet fan blade and coil with fresh water will remove most of the salt or other contaminants that build up on the unit 2 Regular clea...

Страница 9: ...CESS CONTROL ACCESS PANEL LIQUID PRESSURE SERVICE PORT SUCTION PRESSURE SERVICE PORT OUTDOOR COIL PROTECTIVE GRILLE FILTER ACCESS PANEL FOR UNIT MOUNTED FILTER ACCESSORY SIDE RETURN DUCT OPENING THERMOSTAT WIRING ENTRANCE TOP COVER 30 2 21 2 29 2 20 2 CORNER WEIGHTS OF TOTAL UNIT WEIGHT THREADED PVC CONDENSATE DRAIN CONNECTION 3 4 19 05 mm N P T ...

Страница 10: ...R FAN GRILLE AND COMPRESSOR ACCESS BOTTOM RETURN DUCT OPENING BOTTOM SUPPLY DUCT OPENING SIDE SUPPLY DUCT OPENING FILTER ACCESS PANEL FOR UNIT MOUNTED FILTER ACCESSORY BLOWER EVAPORATOR ACCESS PANEL SHOWN WITH DUCT COVERS REMOVED OUTDOOR COIL PROTECTIVE GRILLE SIDE RETURN DUCT OPENING 4719 32 451 16 INSIDE 199 16 153 8 313 16 45 16 33 16 11 8 47 16 255 16 527 16 47 8 15 191 8 2211 16 471 2 103 16 ...

Страница 11: ...owner or neighbors 5 Locate unit so roof runoff water does not pour directly on the unit Provide gutter or other shielding at roof level Do not locate unit in an area where excessive snow drifting may occur or accumulate C CLEARANCES The following minimum clearances must be observed for proper unit performance and serviceability 1 Provide 36 minimum clearance at the front and right side of the uni...

Страница 12: ... ECONOMIZER 24 CLEARANCE WITH ECONOMIZER 36 I504 FIGURE 5 PACKAGE AIR CONDITIONER OUTSIDE SLAB INSTALLATION CLOSET DISTRIBUTION SYSTEM SLAB FLOOR CONSTRUCTION I505 SUPPLY DUCT AT CLOSET CEILING FILTER GRILL IMPORTANT UNIT MUST BE LEVEL TO PREVENT WATER MIGRATION SLAB FLOOR THERMOSTAT WIRE CONDUIT TRAP POWER SUPPLY CONDUIT SERVICE ACCESS PANELS DO NOT BLOCK ACCESS BRANCH CIRCUIT DISCONNECT FIGURE 6...

Страница 13: ...por barrier Distribution system in attic furred space or crawl space should be insulated with at least 2 of insulation with vapor barrier One half to 1 thickness of insulation is usually sufficient for ductwork inside the air conditioned space Provide balancing dampers for each branch duct in the supply system Properly support ductwork from the structure THERMOST AT WIRE CONDUIT BRANCH CIRCUIT DIS...

Страница 14: ...RCUIT DISCONNECT POWER SUPPLY CONDUIT CONDENSATE DRAIN INTO ROOFDRAIN IF REQ D BY LOCAL CODES I273 VIII FILTERS Filters are not provided with this unit They may be supplied and installed in the return air duct by the installer A field installed filter grille is recommended for easy and con venient access to the filters for periodic inspection and cleaning Filters must have ade quate face area for ...

Страница 15: ...d Secure covers to base of unit with screw engaging prepunched holes in unit base X CONDENSATE DRAIN The evaorator coil condensate drain ends with a threaded 3 4 nominal PVC stub A trap is built in for proper condensate drainage and to prevent debris from being drawn into the unit Do not connect drain to closed sewer line Connection to a vented sewer line is allowed It is recommended that a PVC ce...

Страница 16: ...und lug b WITH ELECTRIC HEAT Connect the field wires to the terminal block on the electric heater kit Connect the ground wire to the ground lug on the heater kit NOTE For field installation of the heater kit follow the instructions provided with the heat er kit 6 The pigtail wires in the electric heat box are factory wired to the contactor in the control box and are protected by internal fuses in ...

Страница 17: ...quirements for your specific ther mostat Two stage units 5 ton require use of a thermostat capable of 2 stages of cooling NOTE Units installed in Canada require that an outdoor thermostat 30 000 min cycles of endurance be installed and be wired with C E C Class I wiring D INTERNAL WIRING 1 A diagram of the internal wiring of this unit is located on the electrical control box cover If any of the or...

Страница 18: ...ht direction 5 Turn fan switch to AUTO Turn system switch to COOL and turn temperature set ting below room temperature Unit should run in cooling mode 6 Is outdoor fan operating correctly in the right direction 7 Is compressor running correctly FIGURE 12 VOLTAGE CONNECTIONS DIAGRAMS STANDARD CONTROL WIRING FIGURE 10 VOLTAGE CONNECTIONS DIAGRTAMS STAMDARD CONTROL WIRING DED TRIC D ND D IN HOCK BE R...

Страница 19: ...air grilles and balance system 11 Check ducts for condensation and air leaks 12 Check unit for tubing and sheet metal rattles 13 Instruct the owner on operation and maintenance 14 Leave INSTALLATION and USE AND CARE instructions with owner XVI OPERATION Most single phase units are operated PSC no start relay or start capacitor It is import ant that such systems be off for a minimum of 5 minutes be...

Страница 20: ...moving wire between these speed terminals This speed will apply in both heating and cooling modes they are not individually selectable Wires to numbered terminals should not be moved 3 Replace blower access panel Units with X 13 Motors 1 Remove blower access panel 2 Locate wire terminals on the motor Numbered terminals are 24V blower taps See airflow tables for corresponding speed The C terminal i...

Страница 21: ...Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558 8 1 22 558 8 1 22 558 8 Drive Type No Speeds Direct 1 Direct 1 Direct 1 Direct 1 CFM L s 2500 1180 2500 1180 2500 1180 2500 1180 No Motors HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 HP ...

Страница 22: ...X Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558 8 1 22 558 8 1 22 558 8 Drive Type No Speeds Direct 1 Direct 1 Direct 1 Direct 1 CFM L s 2500 1180 2700 1274 2700 1274 2700 1274 No Motors HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 H...

Страница 23: ...s TX Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558 8 1 22 558 8 1 22 558 8 Drive Type No Speeds Direct 1 Direct 1 Direct 1 Direct 1 CFM L s 2700 1274 3500 1652 3500 1652 3300 1557 No Motors HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 ...

Страница 24: ...lves TX Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558 8 1 22 558 8 1 22 558 8 Drive Type No Speeds Direct 1 Direct 1 Direct 1 Direct 1 CFM L s 3300 1557 3300 1557 3300 1557 3400 1604 No Motors HP 1 at 1 3 HP 1 at 1 3 HP 1 at 1 3 HP 1 at...

Страница 25: ...annel Depth in mm 1 26 32 Face Area sq ft sq m 4 0 37 Rows FPI FPcm 1 20 8 Refrigerant Control TX Valves Drain Connection No Size in mm 1 0 75 19 05 Outdoor Fan Type Propeller No Used Diameter in mm 1 22 558 8 Drive Type No Speeds Direct 1 CFM L s 3400 1604 No Motors HP 1 at 1 3 HP Motor RPM 1075 Indoor Fan Type FC Centrifugal No Used Diameter in mm 1 12x9 305x229 Drive Type Direct No Speeds Multi...

Страница 26: ...Channel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 3 6 0 33 3 6 0 33 3 6 0 33 3 6 0 33 Rows FPI FPcm 1 17 7 1 17 7 1 17 7 1 17 7 Refrigerant Control TX Valves TX Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558 8 1 22 558...

Страница 27: ...nel MicroChannel Depth in mm 1 25 4 1 25 4 1 26 32 1 26 32 Face Area sq ft sq m 3 6 0 33 3 6 0 33 4 1 0 38 4 1 0 38 Rows FPI FPcm 1 17 7 1 17 7 1 20 8 1 20 8 Refrigerant Control TX Valves TX Valves TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller Propeller Propeller No Used Diameter in mm 1 22 558 8 1 22 558...

Страница 28: ...25 4 Face Area sq ft sq m 15 3 1 42 15 3 1 42 Rows FPI FPcm 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louvered Tube Type MicroChannel MicroChannel MicroChannel Depth in mm 1 26 32 1 26 32 Face Area sq ft sq m 4 0 37 4 0 37 Rows FPI FPcm 1 20 8 1 20 8 Refrigerant Control TX Valves TX Valves Drain Connection No Size in mm 1 0 75 19 05 1 0 75 19 05 Outdoor Fan Type Propeller Propeller No Used Diame...

Страница 29: ...s FLA each 1 3 2 8 2 8 2 4 2 8 2 5 2 5 4 1 4 1 Amps LRA each 2 3 5 1 4 6 4 6 Condenser Motor ELECTRICAL DATA RACA14 SERIES Unit Information Compressor Motor Evaporator Fan 042ACT AA 042AJT AA 048ACT AA 048AJT AA 048BCT AA 048BJT AA 060ACT AA 060AJT AA Unit Operating Voltage Range 187 253 187 253 187 253 187 253 187 253 187 253 197 253 197 253 Volts 208 230 208 230 208 230 208 230 208 230 208 230 2...

Страница 30: ... 1 1 1 1 1 1 1 1 1 Volts 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 Phase 1 1 1 1 1 1 1 1 1 HP 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 Amps FLA each 1 5 1 5 1 5 1 5 1 5 1 5 2 2 2 Amps LRA each 3 3 3 3 3 3 3 9 3 9 3 9 No 1 1 1 1 1 1 1 1 1 Volts 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 208 230 Phase 1 1 1 1 1 1 1 1 1 HP 1 3 1 2 1 2 1 2 3 4 3 4 3 4 3 4 ...

Страница 31: ...634 771 1595 753 1547 730 1530 722 1487 702 1462 690 1438 679 1378 650 1352 638 1298 613 RPM 894 923 950 981 1000 1030 1051 1079 1106 1126 Watts 432 446 451 468 479 490 508 510 520 520 CFM 1941 916 1915 904 1878 886 1814 856 1773 837 1709 807 1655 781 1570 741 1488 702 1374 648 RPM 1028 1047 1068 1091 1104 1113 1124 1136 1142 1147 Watts 708 725 729 727 717 696 673 647 618 571 CFM 1768 834 1730 816...

Страница 32: ...8 1547 730 1512 714 1486 701 1449 684 1430 675 1355 639 1337 631 1280 604 RPM 891 917 940 965 992 1015 1046 1080 1098 1123 Watts 422 433 440 451 463 475 482 496 506 507 CFM 1906 900 1876 885 1839 868 1807 853 1756 829 1697 801 1642 775 1555 734 1482 699 1372 648 RPM 1021 1043 1064 1079 1097 1110 1123 1128 1140 1145 Watts 679 699 694 707 698 686 671 635 610 566 CFM 1738 820 1680 793 1663 785 1626 7...

Страница 33: ... 950 981 1000 1030 1051 1079 1106 1126 Watts 432 446 451 468 479 490 508 510 520 520 CFM 1941 916 1915 904 1878 886 1814 856 1773 837 1709 807 1655 781 1570 741 1488 702 1374 648 RPM 1028 1047 1068 1091 1104 1113 1124 1136 1142 1147 Watts 708 725 729 727 717 696 673 647 618 571 CFM 1233 582 1158 547 1136 536 1090 514 1039 490 969 457 902 426 847 400 791 373 752 355 RPM 734 774 793 822 860 892 934 ...

Страница 34: ... 57 32 76 34 6 40 0 47 54 50 50 60 60 44 50 45 50 22 22 25 35 25 35 RACA14036AJD151AA A15J 1 10 8 14 4 36 85 49 13 51 9 60 0 68 79 70 70 80 80 65 75 70 80 22 22 25 35 25 35 RACA14036BJT000AA No Heat 24 24 25 35 25 35 24 24 25 35 25 35 RACA14036BJT051AA A05J 1 3 6 4 8 12 28 16 38 17 3 20 0 27 31 30 35 35 35 22 25 25 25 24 24 25 35 25 35 RACA14036BJT101AA A10J 1 7 2 9 6 24 57 32 76 34 6 40 0 49 56 5...

Страница 35: ... 25 35 24 24 25 35 25 35 RACA14042ACT101AA A10C 1 7 2 9 6 24 57 32 76 20 0 23 1 33 37 35 35 40 40 25 29 25 30 24 24 25 35 25 35 RACA14042ACT151AA A15C 1 10 8 14 4 36 85 49 13 30 1 34 7 46 51 50 50 60 60 38 44 40 45 24 24 25 35 25 35 RACA14048ACT000AA No Heat 25 25 25 35 25 35 25 25 25 35 25 35 RACA14048ACT101AA A10C 1 7 2 9 6 24 57 32 76 20 0 23 1 33 37 35 35 40 40 25 29 25 30 25 25 25 35 25 35 RA...

Страница 36: ... 6 24 57 32 76 34 6 40 0 51 58 60 60 60 60 44 50 45 50 30 30 30 45 30 45 RACA15042AJT151AA B15J 1 10 8 14 4 36 85 49 13 51 9 60 0 73 83 80 80 90 90 65 75 70 80 30 30 30 45 30 45 RACA15048AJT000AA No Heat 33 33 35 50 35 50 33 33 35 50 35 50 RACA15048AJT051AA A05J 1 3 6 4 8 12 28 16 38 17 3 20 0 33 33 35 50 35 50 22 25 25 25 33 33 35 50 35 50 RACA15048AJT101AA B10J 1 7 2 9 6 24 57 32 76 34 6 40 0 51...

Страница 37: ...ING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE ORIGINAL RELEASE NO ELECTRICAL WIRING DIAGRAM MODELED BY CHECKED APPROVED REV PART NO DATE 2 3 TON PACKAGE AIR CONDITIONER W PSC BLOWER MOTOR 1 PH 208 230 VOLT 90 23...

Страница 38: ... C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE ORIGINAL RELEASE NO ELECTRICAL WIRING DIAGRAM MODELED BY CHECKED APPROVED REV PART NO DATE 3 TON PACKAGE AIR CONDITIONER W PSC BLOWER MOTOR 3 PH 208 2...

Страница 39: ...39 FIGURE 15 WIRING DIAGRAM ...

Страница 40: ...40 FIGURE 16 WIRING DIAGRAM ...

Страница 41: ...41 FIGURE 17 WIRING DIAGRAM ...

Страница 42: ...42 FIGURE 18 WIRING DIAGRAM ...

Страница 43: ...43 FIGURE 19 SYSTEM CHARGE CHARTS RACA 14 5 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A XXIV CHARGE CHARTS ...

Страница 44: ...44 FIGURE 20 SYSTEM CHARGE CHARTS RACA 14 15 2 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 45: ...45 FIGURE 21 SYSTEM CHARGE CHARTS RACA 14 15 2 5 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 46: ...46 FIGURE 22 SYSTEM CHARGE CHARTS RACA 14 15 3 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 47: ...47 FIGURE 23 SYSTEM CHARGE CHARTS RACA 14 15 3 5 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 48: ...48 FIGURE 24 SYSTEM CHARGE CHARTS RACA 14 15 4 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 49: ...49 FIGURE 25 SYSTEM CHARGE CHARTS RACA 15 5 TON COOLING SYSTEM CHARGE CHART REFRIGERANT 410A ...

Страница 50: ...t voltage At compressor terminals voltage must be within 10 of rating plate volts when unit is operating Compressor short cycles Incorrect voltage At compressor terminals voltage must be 10 of nameplate marking when unit is operating Defective overload protector Replace check for correct voltage Refrigerant undercharge Add refrigerant Registers sweat Low evaporator airflow Increase speed of blower...

Страница 51: ...t Hot gas sensor defective if present Flash Code 3 Compressor is running 2 Time delay relay defective if present only briefly 3 Yellow ALERT Locked Rotor 1 Run capacitor has failed Flash Code 4 2 Low line voltage contact utility if voltage at disconnect is low 3 Excessive liquid refrigerant in compressor 4 Compressor bearings are seized Yellow ALERT Open Circuit 1 Compressor contactor has failed o...

Страница 52: ... 4 If low pressure switch is present air duct has substantial leakage Yellow ALERT Short Cycling 1 Thermostat demand signal is intermittent Flash Code 3 Compressor is running 2 Time delay relay defective if present only briefly 3 4 Yellow ALERT Locked Rotor 1 Flash Code 4 2 Low line voltage contact utility if voltage at disconnect is low 3 Excessive liquid refrigerant in compressor Compressor bear...

Страница 53: ...53 ...

Страница 54: ...54 ...

Страница 55: ...55 CM 0914 ...

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