Carrier 48HE003 Скачать руководство пользователя страница 57

57

LOW HEAT

48HJE/H004, 48HJD/G005-007 — 72,000 BTUH INPUT

48HJM004, 48HJL005,006 — 60,000 BTUH INPUT

MEDIUM AND HIGH HEAT

48HJE/H005-007, 48HJF/K004 — 115,000 BTUH INPUT

48HJF/K005-007 — 150,000 BTUH INPUT

48HJM005,006; 48HJN004 — 90,000 BTUH INPUT

48HJN005,006 — 120,000 BTUH INPUT

48HEF003, 48HEE004, 48HED005 - 

48HEF004, 48HEE/F005, 48HED/E/F006 - 

C06154

Fig. 74

---

Spark Gap Adjustment

Cleaning and Adjustment

1. Remove burner rack from unit as described above.
2. Inspect burners and, if dirty, remove burners from rack.
3. Using a soft brush, clean burners and cross-over port as

required.

4. Adjust spark gap. (See Fig. 74.)

5. Reinstall burner rack as described above.

Step 15

Replacement Parts

A complete list of replacement parts may be obtained from any

Carrier distributor upon request. Refer to Fig. 75 for a typical unit

wiring schematic.

48H

E,

H

J

Содержание 48HE003

Страница 1: ...intenance functions of cleaning coils and filters and replacing filters All other operations should be performed by trained service personnel When working on air conditioning equipment observe precaut...

Страница 2: ...horizontal applications field supplied isolation flanges should be attached to horizontal discharge openings and all ductwork should be secured to the flanges Insulate and weatherproof all external d...

Страница 3: ...e 7 Direction of airflow 8 Connector packages CRBTMPWR001A01 and 002A01 are for thru the curb type gas Packages CRBTMPWR003A01 and 004A01 are for thru the bottom type gas connections CONNECTOR PKG ACC...

Страница 4: ...local codes and Section 5 3 Air for Combustion and Ventilation NFGC National Fuel Gas Code ANSI American National Standards Institute Z223 1 1984 and addendum Z223 1a 1987 In Canada installation must...

Страница 5: ...and a 48 ft long pipe would have a minimum of 6 support beams PROPERTY DAMAGE HAZARD Failure to follow this warning could result in personal injury death and property damage All panels must be in plac...

Страница 6: ...6 C06112 Fig 8 48HJ004 007 Base Unit Dimensions 48HE HJ...

Страница 7: ...7 C06113 Fig 9 48HE003 006 Base Unit Dimensions 48HE HJ...

Страница 8: ...ases must be balanced within 2 and the current within 10 Use the formula shown in Tables 3 and 4 Note 3 to determine the percent voltage imbalance Operation on improper line voltage or excessive phase...

Страница 9: ...tor Bearing Type Ball Ball Ball Ball Maximum Fan Rpm 2100 2100 2100 2100 Motor Pulley Pitch Diameter A B in Std 1 9 2 9 1 9 2 0 2 4 3 4 2 4 3 4 Hi Static 2 8 3 8 2 8 3 8 3 4 4 4 3 4 3 4 Nominal Motor...

Страница 10: ...M 81 HJM 81 HJN 80 7 HJN 80 7 Temperature Rise Range HJE 25 55 HJD 25 25 HJD 25 55 HJD 25 55 HJF 55 85 HJE 35 65 HJE 35 65 HJE 35 65 HJF 50 80 HJF 50 80 HJF 50 80 HJH 25 55 HJG 25 55 HJG 25 55 HJK 55...

Страница 11: ...7 Total Face Area sq ft 3 5 3 9 3 9 3 9 EVAPORATOR FAN Centrifugal Type Belt Drive Quantity Size in 1 10 x 10 1 10 x 10 1 10 x 10 1 10 x 10 Nominal Cfm 800 1200 1600 2000 Maximum Continuous Bhp Std 0...

Страница 12: ...25 55 HED 25 25 HED 25 55 HEE 25 65 HEF 55 85 HEE 35 65 HEE 35 65 HEF 50 80 HEF 50 80 HEH 25 55 HEG 25 55 HEG 25 55 HEK 55 85 HEH 35 65 HEH 35 65 HEK 50 80 HEK 50 80 HEM 20 50 HEL 20 50 HEL 20 50 HEN...

Страница 13: ...S2 THERMOSTAT DIPSWITCH SETTINGS R G Y1 Y2 W1 W2 C IPD X ON OFF A B C D LEGEND NOTE Underlined letter indicates active thermostat output when configured for A C operation Field Wiring C06008 Fig 13 L...

Страница 14: ...1 145 460 3 60 STD 414 508 1 7 1 45 1 0 8 0 3 2 2 NO 11 9 15 11 6 53 YES 14 6 20 14 1 55 HS 2 6 NO 12 3 15 12 1 67 YES 15 0 20 14 6 70 575 3 60 STD 518 632 1 6 1 38 1 0 6 0 3 1 9 NO 10 1 15 9 9 44 YES...

Страница 15: ...6 15 10 54 YES 13 3 15 13 56 HS 2 6 NO 11 0 15 11 68 YES 13 7 15 13 70 575 3 60 STD 518 632 1 6 4 40 1 0 4 0 3 1 9 NO 10 3 15 10 45 YES 12 5 15 12 47 HS 2 0 NO 10 4 15 10 52 YES 12 6 15 12 53 HumidiMi...

Страница 16: ...STD 187 254 2 17 6 125 2 1 4 0 6 10 6 NO 53 0 60 56 341 YES 59 0 70 61 345 HS 15 0 NO 57 4 70 61 364 YES 63 4 70 66 369 460 3 60 STD 414 508 2 8 3 62 5 2 0 7 0 3 4 8 NO 24 9 30 26 171 YES 27 6 30 29 1...

Страница 17: ...high voltage and low voltage wiring 3 A field supplied relay must be installed between the Thermidistat and the Humidi Mizer circuit recommended relay HN612KK324 See Fig 19 The relay coil is connected...

Страница 18: ...V Unit Shown ROOF TOP UNIT R C Y1 Y2 G W1 W2 PINK PINK RED 24V FROM HUMIDI MIZER SYSTEM LLSV R1 TS TATWIRES LCT R C Y1 Y2 G W1 W2 DEHUM OC R1 HUMIDI MIZER SYSTEM PINK LTLO CB 3 2 AMPS LEGEND CB Circu...

Страница 19: ...ly air duct as required by local codes Drill or punch a 1 2 in hole in the flange or duct Use two field supplied self drilling screws to secure the sensor probe in a horizontal orientation NOTE The se...

Страница 20: ...r Air Temperature sensor CRTEMPSN001A00 Included with factory installed PremierLink control field supplied and field installed with field installed PremierLink control NOTES 1 CO2 Sensors Optional 33Z...

Страница 21: ...12 1 2 3 4 5 6 7 8 9 10 11 12 PNK PNK VIO VIO GRA ORN PNK PNK GRA GRA GRA SAT BRN ORN BLK RED Space Temp Set Point Adjustment Indoor Air Quality Sensor OAT PNK VIO YEL YEL BLU BLU Economi er2 4 20mA...

Страница 22: ...in high outdoor air enthalpy state Terminals 2 and 3 close on low outdoor air enthalpy relative to indoor air enthalpy 3 Remove sensor mounted on back of control and locate in outside air stream C0601...

Страница 23: ...ef damper in place 6 Insert the hood divider between the hood sides See Fig 34 and 35 Secure hood divider with 2 screws on each hood side The hood divider is also used as the bottom filter rack for th...

Страница 24: ...nstalled Differential Dry Bulb CRTEMPSN002A00 Single Enthalpy HH57AC078 Differential Enthalpy HH57AC078 and CRENTDIF004A00 CO2 for DCV Control using a Wall Mounted CO2 Sensor 33ZCSENCO2 CO2 for DCV Co...

Страница 25: ...R ASSEMBLY RED WHITE ECONOMISER2 PLUG DIRECT DRIVE ACTUATOR 2 NOTES 1 Switch on actuator must be in run position for economizer to operate 2 PremierLink control requires that the standard 50HJ540569 o...

Страница 26: ...ame mounting location See Fig 29 Mount the return air enthalpy sensor in the return air duct See Fig 44 Wiring is provided in the EconoMi er IV wiring harness See Fig 36 The outdoor enthalpy changeove...

Страница 27: ...oss terminals TR and TR1 5 Carefully adjust the minimum position potentiometer until the measured supply air temperature matches the calculated value 6 Reconnect the mixed air sensor to terminals T an...

Страница 28: ...In order to have the CO2 sensor control the economizer damper in this manner first determine the damper voltage output for minimum or base ventilation Base ventilation is the ventilation required to...

Страница 29: ...ing processes are more than adequate to remove the humidity loads for most commercial applications If normal rooftop heating and cooling operation is not adequate for the outdoor humidity level an ene...

Страница 30: ...4 20 mA 0 1100 1100 50 5 Proportional 20 0 10V 4 20 mA 0 900 900 50 6 Exponential 15 0 10V 4 20 mA 0 1100 1100 50 7 Exponential 20 0 10V 4 20 mA 0 900 900 50 8 Health Safety Proportional 0 10V 4 20 mA...

Страница 31: ...30 4 9 460 2 2 575 2 2 006 Single 1 30 1650 208 230 9 2 Three 2 40 2120 208 230 6 7 460 3 0 575 3 0 007 Three 2 40 2120 208 230 6 7 460 3 0 575 3 0 LEGEND Bhp Brake Horsepower Extensive motor and elec...

Страница 32: ...se units ensures that the full range of the motor can be utilized with confidence Using the fan motors up to the ratings shown will not result in nuisance tripping or premature motor failure Unit warr...

Страница 33: ...r rpms require field supplied drive Table 18 Fan Performance 48HJ004 48HE004 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bh...

Страница 34: ...3 730 1027 0 89 888 1101 1 05 1040 1170 1 20 1189 1800 885 0 66 652 978 0 83 826 1060 1 00 994 1133 1 16 1157 1900 923 0 75 745 1014 0 94 930 1093 1 11 1109 2000 962 0 85 847 1049 1 05 1043 AIRFLOW CF...

Страница 35: ...1 64 1627 1376 1 79 1779 1428 1 94 1930 1479 2 09 2078 1900 1293 1 63 1620 1350 1 79 1784 1405 1 96 1946 1457 2 12 2106 1506 2 28 2265 2000 1323 1 79 1776 1380 1 96 1950 1434 2 13 2123 1486 2 31 2293...

Страница 36: ...an Performance 48HJ006 48HE006 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Wa...

Страница 37: ...1429 1 96 1736 1503 2 19 1945 2600 1305 1 63 1448 1390 1 89 1677 1468 2 14 1900 1540 2 38 2117 2700 1348 1 80 1602 1431 2 07 1841 1507 2 33 2073 2800 1392 1 99 1768 1472 2 27 2016 2900 1435 2 19 1945...

Страница 38: ...Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1406 1 43 1273 1475 1 58 1403 1540 1 72 1531 1601 1 87 1657 1660 2 00 1780 1900 1438 1 58 1401 1505 1 73 1541 1569 1 89 1678...

Страница 39: ...Fan Performance 48HJ004 48HE004 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp...

Страница 40: ...atts Rpm Bhp Watts Rpm Bhp Watts 1200 643 0 23 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 0 71 705 1300 675 0 28 277 790 0 40 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 0 4...

Страница 41: ...98 867 1206 1 11 986 1279 1 25 1111 2000 1001 0 84 744 1085 0 96 855 1163 1 09 972 1238 1 23 1095 2100 1043 0 96 850 1123 1 09 965 1199 1 22 1086 2200 1085 1 09 966 1162 1 22 1086 2300 1127 1 23 1092...

Страница 42: ...l other rpms require field supplied drive Table 33 Fan Performance 48HJ006 48HE006 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1...

Страница 43: ...2 24 1990 2500 1196 1 51 1345 1273 1 73 1538 1345 1 96 1738 1412 2 19 1945 2600 1238 1 69 1497 1312 1 91 1697 1382 2 14 1904 1448 2 38 2117 2700 1280 1 87 1660 1352 2 10 1867 1420 2 34 2081 2800 1322...

Страница 44: ...1 4 1 6 1 8 2 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1322 1 56 1382 1388 1 77 1568 1451 1 98 1762 1510 2 21 1962 1568 2 44 2169 1900 1351 1 68 1495 1416 1 90 168...

Страница 45: ...with water to ensure proper drainage d Make sure that all tools and miscellaneous loose parts have been removed START UP Step 1 Unit Preparation Make sure that the unit has been installed in accordan...

Страница 46: ...NOMINAL INPUT Natural Gas Orifice Size Liquid Propane Orifice Size Natural Gas Orifice Size Liquid Propane Orifice Size 0 2 000 38 45 32 42 2 000 40 47 33 43 3 000 41 48 35 43 4 000 42 49 36 44 5 000...

Страница 47: ...ill be energized and deenergized If field installed accessory CO2 sensors are connected to the EconoMi er IV control a demand controlled ventilation strategy will begin to operate As the CO2 level in...

Страница 48: ...e S Indoor fan has been on for at least 30 seconds S The SPT SAT and OAT inputs must have valid readings S OAT must be less than 75_F S OAT must be less than SPT S Enthalpy must be LOW may be jumpered...

Страница 49: ...n the space condition is satisfied and HS1 is deenergized the IFM stops after a 45 second time off delay unless in the occupied mode The fan will run continuously in the occupied mode as required by n...

Страница 50: ...em sequence of operation SERVICE ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause personal injury or death When sevicing unit shut off all electrical power to unit and install lockou...

Страница 51: ...ar at the start of the cooling season In winter keep the drain dry or protect it against freeze up filters Clean or replace at the start of each heating and cooling season or more often if operating c...

Страница 52: ...er evacuating system to 500 microns weigh in the specified amount of refrigerant Refer to Table 1 or 2 and unit information plate Low charge cooling Using Cooling Charging Charts Fig 60 63 vary refrig...

Страница 53: ...ing Charging Chart 48HJ005 with Optional Humidi MiZer Adaptive Dehumidification System NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liquid...

Страница 54: ...with Optional Humidi MiZer Adaptive Dehumidification System C06146 Fig 67 Cooling Charging Chart 48HJ007 with Optional Humidi MiZer Adaptive Dehumidification System TO USE COOLING CHARGING CHART STAN...

Страница 55: ...ure Example Fig 64 Leaving Condenser Pressure 250 psig Leaving Condenser Temperature 105 F NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liq...

Страница 56: ...LED Light Emitting Diode A 3 second pause exists between LED error code flashes If more than one error code exists all applicable codes will be displayed in numeri cal sequence Indicates a code that i...

Страница 57: ...EE F005 48HED E F006 C06154 Fig 74 Spark Gap Adjustment Cleaning and Adjustment 1 Remove burner rack from unit as described above 2 Inspect burners and if dirty remove burners from rack 3 Using a soft...

Страница 58: ...egrated Gas Unit Controller LPS Low Pressure Switch LS Limit Switch MGV Main Gas Valve Splice Splice Marked Factory Wiring Field Control Wiring Field Power Wiring Accessory or Optional Wiring To indic...

Страница 59: ...r IV preparation procedure has been performed 2 Ensure terminals AQ and AQ1 are open The LED for both DCV and Exhaust should be off The actuator should be fully closed 3 Connect a 9 v battery to AQ po...

Страница 60: ...nadequate airflow to unit Check operation of indoor evaporator fan motor and that supply air temperature rise agrees with range on unit nameplate information Ignition Lockout LED 5 Flashes Unit unsucc...

Страница 61: ...t Table 43 Humidi MiZer Adaptive Dehumidification System Subcooling Mode Service Analysis PROBLEM CAUSE REMEDY Subcooling Mode Liquid Reheat Will Not Energize No power to control transformer from evap...

Страница 62: ...ce Restriction in refrigerant system Locate restriction and remove Compressor Operates Continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermos...

Страница 63: ...ulating between closed and DCV maximum On Off On Off Off Off Off Off Low Free Cooling LED On High On On On Off Modulating Modulating On Off Off Off Off Off Off Off For single enthalpy control the modu...

Страница 64: ...HARP METAL EDGES j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS III START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS L1 L2 L3 INDOOR FAN AMPS L1 L2 L3 TEMP...

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