Carrier INFINITIR 15 SEER 48XT-A Скачать руководство пользователя | Manualshive

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background image

14

GROUND SCREW

(IN SPLICE BOX)

YEL

BLK

GROUND

LEAD

SINGLE-PHASE

CONNECTIONS

TO DISCONNECT

PER NEC

LEGEND

NEC – National Electrical Code

Field Wiring

Splice Connections

NOTE: Use copper wire only.

L1

L2

A06299

Fig. 13 -- Line Power Connections

FURNACE BOARD

HP/AC
BOARD

A09108

Fig. 14 -- Control Plate

48X

T

--

A

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Содержание INFINITIR 15 SEER 48XT-A

Страница 1: ...Ground Screw 12 Routing Control Power Wires 12 Accessory Installation 13 Special Procedures for 208 v Operation 13 PRE START UP 15 START UP 16 28 Unit Start Up and Troubleshooting 16 Sequence of Oper...

Страница 2: ...ated for Puron R 410A WARNING CUT HAZARD Failure to follow this caution may result in personal injury When removing access panels or performing maintenance functions inside your unit be aware of sharp...

Страница 3: ...taff should handle and install this equipment When working with this equipment observe precautions in the literature on tags stickers and labels attached to the equipment and any other safety precauti...

Страница 4: ...set up for unit being installed 2 Seal strip must be applied as required to unit being installed 3 Roof curb is made of 16 gauge steel 4 Attach ductwork to curb flanges of duct rest on curb 5 Insulate...

Страница 5: ...5 A09150 Fig 5 48XT A24 30 Unit Dimensions 48XT A...

Страница 6: ...6 A09151 Fig 6 48XT A36 60 Unit Dimensions 48XT A...

Страница 7: ...2800 22 559 1 8 825 2800 22 559 1 8 825 2800 22 559 1 8 825 2800 22 559 1 8 825 INDOOR COIL Rows Fins in Face Area sq ft 3 17 3 7 3 17 3 7 3 17 3 7 3 17 4 7 3 17 4 7 3 17 4 7 3 17 4 7 INDOOR FAN Nomin...

Страница 8: ...ill Size Natural Gas 3 38 3 33 3 31 3 38 3 33 3 31 HIGH PRESSURE SWITCH psig Cut out Reset Auto 670 10 470 25 HIGH PRESSURE SWITCH 2 psig Compressor Solenoid Cut out Reset Auto 565 15 455 15 LOSS OF C...

Страница 9: ...anvas or similar heat resistant material connector between ductwork and unit discharge connection If flexible duct is used insert a sheet metal sleeve inside duct Heat resistant duct connector or shee...

Страница 10: ...tion requires draining the condensate water away from the unit install a field supplied 2 in 51 mm trap at the condensate connection to ensure proper drainage Condensate trap is available as an access...

Страница 11: ...th shall not exceed 36 in 915 mm 3 When lever handle type manual equipment shutoff valves are used they shall be T handle valves 4 The use of copper tubing for gas piping is NOT approved by the state...

Страница 12: ...ircuit breaker size and minimum circuit amps ampacity for wire sizing The field supplied disconnect may be mounted on the unit over the high voltage inlet hole See Fig 5 and 6 Operation of unit on imp...

Страница 13: ...appear at UI Re wire thermistor correctly for normal operation B Humidifier Connections The furnace control board terminal marked HUM is provided for low voltage 24 vac control of a humidifier No hum...

Страница 14: ...AD SINGLE PHASE CONNECTIONS TO DISCONNECT PER NEC LEGEND NEC National Electrical Code Field Wiring Splice Connections NOTE Use copper wire only L1 L2 A06299 Fig 13 Line Power Connections FURNACE BOARD...

Страница 15: ...NG CAUTION and INFORMATION labels attached to or shipped with unit 3 Make the following inspections a Inspect for shipping and handling damages such as broken lines loose parts disconnected wires etc...

Страница 16: ...ion Fault on amber STATUS LED No further troubleshooting information will be available at UI until communications are re established If either COMM LED does not light within proper time period and sta...

Страница 17: ...0 VAC or 24 VAC Blower runs for 90 seconds if unit is powered up during a call for heat R W W1 closed or R W W1 opens during blower on delay period STATUS CODE 13 LIMIT CIRCUIT LOCKOUT Lockout occurs...

Страница 18: ...18 A09080 Fig 17 Wiring Schematic 48XT A Single Phase Gas Inputs 040 060 090 kBtu hr 48XT A...

Страница 19: ...19 A09081 Fig 18 Wiring Schematic 48XT A Single Phase Gas Inputs 115 130 kBtu hr 48XT A...

Страница 20: ...h fine steel wool proper flame sense microamps 5 microamps D C min 4 0 6 0 nominal manual valve shut off low inlet gas pressure control ground continuity gas valve defective or turned off flame sensor...

Страница 21: ...satisfied NOTE Heat stages are not shortened due to a 5 degree or higher demand All stages are utilized for the full allotted time described above If the UI determines it is making sufficient progress...

Страница 22: ...e Ther mal Cutout 72 Compressor voltage sensed then disappears while cooling or heat ing demand exists Possible causes are internal compressor over load trip or start relay not releasing if installed...

Страница 23: ...O are selected by the Infinity Control User Interface the dip switches are not used AUTO defrost adjusts the defrost interval time based on the last defrost time as follows S When defrost time 3 minut...

Страница 24: ...low of gas to the burners and de energizing the HUM terminal The inducer motor will remain on for a 4 second post purge period The indoor blower and air cleaner terminal EAC 1 will remain energized fo...

Страница 25: ...s meter to complete one revolution d Divide number of seconds in step c into 3600 number of seconds in 1 hour e Multiply result of step d by the number of cubic feet shown for one revolution of test d...

Страница 26: ...ssive restrictions causing static pressures in excess of 5 in wc d Make sure model plug is installed 8 Final Check a Turn off gas to unit b Remove manometer from pressure tap c Replace pipe plug on ma...

Страница 27: ...e component test section or Status Code Label for explanation of status codes NOTE To repeat component test turn setup switch SW1 6 to OFF and then back ON Check for Refrigerant Leaks Locate and repai...

Страница 28: ...se unavailable If communications cannot be established with the UI the Infinity furnace board will enable the standard thermostat input terminals to allow simple thermostatic control of the 48XT A uni...

Страница 29: ...0 047 42 0 014 0 017 0 020 0 024 0 027 0 031 0 035 0 039 0 043 48 0 027 0 032 0 036 0 041 0 046 0 052 0 057 0 063 0 068 60 0 029 0 032 0 036 0 040 0 045 0 049 0 053 Table 8 Filter Pressure Drop Table...

Страница 30: ...maintenance to the accessories as recommended in the accessory instructions Air Filter IMPORTANT Never operate the unit without a suitable air filter in the return air duct system Always replace the...

Страница 31: ...the motor shaft when tightening 7 Replace grille Infinity Top A06035 UNIT SIZE A DIM IN MM 24 1 26 30 1 26 36 1 26 42 1 26 48 11 32 9 60 9 16 14 Fig 25 Outdoor Fan Blade Clearance Electrical Controls...

Страница 32: ...efrigerant charging REFRIGERANT UNIT OPERATION SAFETY AND ENVIRONMENTAL HAZARD Failure to follow this warning could result in personal injury or equipment damage This system uses Puron R 410A refriger...

Страница 33: ...contactor and fan relay are de energized Compressor and fan operation are not allowed until voltage is a minimum of 190v The control will flash the appropriate fault code See Table 4 230V LINE POWER D...

Страница 34: ...e thermistor comparison is not performed during low ambient cooling operation FAILED THERMISTOR DEFAULT OPERATION Factory defaults have been provided in the event of failure of outdoor air thermistor...

Страница 35: ...0 psig low side retard S Use hoses with minimum 700 psig service pressure rating S Leak detectors should be designed to detect HFC refrigerant S Puron as with other HFCs is only compatible with POE oi...

Страница 36: ...load or increase unit size UI temperature set too low too high Reset UI setting Low refrigerant charge Locate leak repair and recharge Air in system Recover refrigerant evacuate system and re charge O...

Страница 37: ...t 2 Check gas valve Inducer pressure switch not closing 1 Check pressure switch wires connections and tubing Repair or replace if necessary Inadequate heating Dirty air filter Clean or replace filter...

Страница 38: ...I START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB GAS HEAT SUPPLY...

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