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Carrier 48TJD008, Инструкция по установке, запуску и обслуживанию

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Carrier 48TJD008 Скачать руководство пользователя страница 36

Fig. 48 — Typical Wiring Schematic and Component Arrangement

36

Содержание 48TJD008

Страница 1: ...replaced before use When pressure testing field supplied gas piping at pressures of 1 2 psig or less a unit connected to such piping must be isolated by manually closing the gas valve s Before perform...

Страница 2: ...e the bottom drain connection for a roof curb in stallation relocate the factory installed plug from the bottom connection to the side connection See Fig 4 The piping for the condensate drain and exte...

Страница 3: ...3 49 NPT 1 2 9 NPT CRBTMPWR00A100 THRU THE BOTTOM 3 49 NPT 11 49 NPT 1 29 NPT CRBTMPWR00A200 THRU THE BOTTOM NOTES 1 Roof curb accessory is shipped unassembled 2 Insulated panels 3 Dimensions in are...

Страница 4: ...be in accordance with the CAN1 B149 1 and CAN1 B149 2 installation codes for gas burning appliances MAXIMUM ALLOWABLE DIFFERENCE in A B B C A C 0 5 1 0 1 0 Fig 3 Unit Leveling Tolerances NOTE Drain p...

Страница 5: ...5 1 15 x 15 Alt 1 15 x 15 1 15 x 15 1 15 x 15 Type Drive Std Belt Belt Belt Belt Alt Belt Belt Belt Nominal Cfm 3000 3400 4000 5000 Motor Hp Std Alt Maximum Continuous Bhp Std 2 40 2 40 2 40 4 20 Alt...

Страница 6: ...Temperature Rise Range 20 50 35 65 45 75 20 50 35 65 45 75 35 65 35 65 40 70 35 65 40 70 Manifold Pressure in wg Natural Gas Std 3 5 3 5 3 5 3 5 Liquid Propane Alt 3 5 3 5 3 5 3 5 Gas Valve Quantity 1...

Страница 7: ...r clearance is optional d Overhead 60 in to assure proper condenser fan operation e Between units control box side 42 in per NEC National Electrical Code f Between unit and ungrounded surfaces control...

Страница 8: ...te If the 208 230 v unit is to be connected to a 208 v power sup ply the transformer must be rewired by moving the black wire from the 230 v red wire on the transformer and con necting it to the 200 v...

Страница 9: ...4 30 24 134 Alt 3 4 24 2 30 25 173 575 3 phase Std 518 632 6 4 44 0 1 4 0 8 2 6 30 17 6 20 18 107 Alt 3 4 18 2 20 19 139 014 121 2 Tons 208 230 3 phase Std 187 254 23 0 146 0 1 4 1 4 10 6 57 65 2 65 2...

Страница 10: ...minal Block Connection Splice Connection Factory Supplied Field Wiring Factory Wiring LEGEND AHA Adjustable Heat Anticipator CC Cooling Compensator TC Thermostat Cooling TH Thermostat Heating Field Wi...

Страница 11: ...nel Save panels and screws See Fig 14 3 Separate hood and screen from basepan by removing the screws and brackets securing them Save all screws and discard brackets 4 Replace outdoor air opening panel...

Страница 12: ...conomizer 90 degrees until the econo mizer motor faces the condenser section see Fig 22 b Rotate the barometric relief damper hinge 90 degrees Barometric relief damper should open ver tically to opera...

Страница 13: ...CONTROL BOARD ECONOMIZER PLUG ECONOMIZER MOTOR TOP SCREW Fig 21 Durablade Economizer Installed in Unit ECONOMIZER CONTROL BOARD ECONOMIZER MOTOR POSITION SETTING BRACKET Fig 22 Horizontal Durablade Ec...

Страница 14: ...T P P1 T1 4 2 5 S S O D C TR B REV B 1 9 8 8 1 8 A H U M I D I T Y 90 70 60 30 10 D C B A 60 65 70 75 55 50 85 80 DAMPER DAMPER CLOSED OPEN OUTDOOR TEMP F REV 97 3672 CW SETPOINTS CCW CONTACTS SHOWN...

Страница 15: ...sconnected during adjustment b The 2 potentiometers with slots for adjustment are located on the face of the economizer logic module Turn the lower potentiometer fully clockwise The dampers should be...

Страница 16: ...t keyway of pulley hub and tighten setscrew see Table 1 for speed change for each full turn of pulley flange To align fan and motor pulleys 1 Loosen fan pulley setscrews 2 Slide fan pulley along fan s...

Страница 17: ...5 760 735 710 685 012 1085 1060 1035 1010 985 960 935 910 885 860 835 014 1080 1060 1035 1015 990 970 950 925 905 880 860 014 1260 1220 1185 1155 1130 1100 1075 1045 1015 990 960 930 900 Approximate r...

Страница 18: ...N MOTOR MAXIMUM CONTINUOUS BHP MAXIMUM OPERATING WATTS UNIT VOLTAGE MAXIMUM AMP DRAW 008 Std 2 40 2120 208 230 6 1 460 2 7 575 2 7 009 Std 2 40 2120 208 230 6 1 460 2 7 575 2 7 012 Std 2 40 2120 208 2...

Страница 19: ...remature motor failure Unit warranty will not be affected 7 Use of a field supplied motor may affect wire sizing Contact your Carrier representative to verify 8 Interpolation is permissible Do not ext...

Страница 20: ...4 1 6 1 8 2 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 3700 729 1 36 790 1 58 847 1 79 902 2 06 955 2 29 1008 2 55 1060 2 80 1108 3 05 1152 3 27 1190 3 46 3800...

Страница 21: ...ion is permissible Do not extrapolate Table 12 Fan Performance 48TJ009 Horizontal Discharge Units AIRFLOW Cfm EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 0 9 1 0 1 2 1 4 1 6 Rpm Bhp Rpm Bhp Rpm Bhp...

Страница 22: ...pm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 3700 677 1 20 748 1 43 810 1 65 869 1 89 928 2 17 984 2 43 1036 2 68 1080 2 90 1114 3 07 1135 3 17 3800 691 1 28 761 1 52 822 1 75 880 1 98 937 2 28 993 2 55 104...

Страница 23: ...ture and verify that the burners light and evaporator fan is energized After ensuring that the unit continues to heat the building lower the thermostat setting below the room temperature and verify th...

Страница 24: ...an auto fan or to the minimum position when using a continuous fan When the outdoor air temperature is below the OAT set ting and the thermostat calls for cooling the economizer damp ers move to the m...

Страница 25: ...n off unit power 2 Remove top panel screws on condenser end of unit 3 Remove condenser coil corner post See Fig 37 To hold top panel open place coil corner post between top panel and center post See F...

Страница 26: ...te chart are met Note the charging charts are different from the type normally used The charts are based on charging the units to the correct superheat for the various operating conditions Accurate pr...

Страница 27: ...Fig 42 Cooling Charging Chart 48TJ009 Fig 43 Cooling Charging Chart 48TJ012 27...

Страница 28: ...s a self diagnostic LED A single LED on the IGC pro vides a visual display of operational or sequential problems when the power supply is interrupted When a break in power occurs the module will be re...

Страница 29: ...above CLEANING AND ADJUSTMENT 1 Remove burner rack from unit as described in Removal and Replacement of Gas Train section above 2 Inspect burners if dirty remove burners from rack 3 Using a soft brus...

Страница 30: ...llimeters Fig 47 Spark Gap Adjustment 125 000 BTUH INPUT 48TJD008 009 120 000 180 000 BTUH INPUT 48TJD012 48TJE008 009 48TJD014 48TJE012 48TJF008 009 48TJE014 48TJF012 180 000 224 000 BTUH INPUT 200 0...

Страница 31: ...spacing gaps etc Ensure that flame sense and ignition wires are prop erly terminated Verify that unit is obtaining proper amount of gas Induced draft motor fault LED 6 flashes IGC does not sense that...

Страница 32: ...the economizer control board wiring are correct check to ensure that the 24 vac terminal of the SAT has 24 vac white wire If OAT EC and control board are functioning and wired properly and no 24 vac e...

Страница 33: ...high enthalpy The motor should drive towards closed If these actions do not occur replace module 4 Disconnect 1 2 Kohm checkout resistor before resuming operation Damper does not close No power to ec...

Страница 34: ...Compressor makes excessive noise 48TJ014 scroll only Compressor rotating in wrong direction Reverse the 3 phase power leads as described on page 23 Compressor operates continuously Dirty air filter Re...

Страница 35: ...for restriction Clean as necessary Check orifice to burner alignment Burners will not turn off Unit is locked into Heating mode for a one minute minimum Wait until mandatory one minute time period has...

Страница 36: ...Fig 48 Typical Wiring Schematic and Component Arrangement 36...

Страница 37: ......

Страница 38: ...urer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 1a 6a PC 111 Catalog No 564 934 Printed in U S A Fo...

Страница 39: ......

Страница 40: ...TART UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS L1 L2 L3 COMPRESSOR AMPS L1 L2 L3 INDOOR FAN AMPS L1 L2 L3 TEMPERATURES OUTDOOR AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOL...

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