Johnson Controls Unitary Products 16 SEER -YHM SERIES Скачать руководство пользователя страница 21 | Manualshive

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Johnson Controls Unitary Products

21

51

Fan Inverter

Over Current

Step 1.

Sudden supply voltage change.

Check supply voltage to the outdoor unit.
(If low or high, contact utility provider.)
(Inverter is not designed for use with a generator.)
(Possible brownout condition.)
(Check for a cut or damaged wire short to ground.)

Step 2.

Sudden load change on the fan

motor.

Troubleshoot outdoor fan motor & blade.
(Ensure they are in good working order.)
Check fan harness and connectors.

Step 3.

Inverter internal damage.

Change out the inverter drive.
(Validate the fix. If the issue is persistent, reinstall the original
inverter drive, and go to the last step.)

Last Step.

If fault remains.

Contact JCI Technical Services.

47

Fan Inverter

IPM Fault

Step 1.

Sudden supply voltage change.

Check supply voltage to the outdoor unit.
(If low or high, contact utility provider.)
(Inverter is not designed for use with a generator.)
(Brownout condition.)
(Check for a cut or damaged wire short to ground.)

Step 2.

Sudden load change on the fan

motor.

Troubleshoot outdoor fan motor & blade.
(Ensure they are in good working order.)
Check fan harness and connectors.

Step 3.

Inverter internal damage.

Change out the inverter drive.
(Validate the fix. If the issue is persistent, reinstall the original
inverter drive, and go to step 4.)

Step 4.

Fan motor internal damage.

Replace outdoor fan motor.
(Validate the fix. If the issue is persistent, reinstall the original
fan motor, and go to the last step.)

Last Step.

If fault remains.

Contact JCI Technical Services.

TABLE 11:

Outdoor Fan Motor Fault (Continued)

INVERTER

FAULT CODE

FAULT

DESCRIPTION

POSSIBLE CAUSES

ACTIONS

TABLE 12:

Compressor Control Protection Fault

INVERTER

FAULT CODE

FAULT

DESCRIPTION

POSSIBLE CAUSES

ACTIONS

33

Loss of

Communication

with Inverter

Interface Control

Step 1.

Broken or damaged communication harness.

(communication hardness.)

Replace communication harness.
(Validate the fix, and go to Step 2.)

Step 2.

Loose or disconnected communication har-

ness. (Communication hardness.)

Validate harness connection.

Step 3.

Radio or electrical noise.

System tries to self-mitigate with repeated start
attempts until communications is regained.

Step 4.

Faulty inverter interface control.

Change out the inverter interface control.
Validate the fix. if the issue is persistent, reinstall the
original inverter interface control, and go to step 5.

Step 5.

Faulty inverter drive control.

Change out the inverter drive.
Validate the fix, If the issue is persistent, reinstall the
original inverter drive, and go to the last step.)

Last Step.

If fault remains.

Contact JCI Technical Services.

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Содержание 16 SEER -YHM SERIES

Страница 1: ...ted to a matching indoor coil with sweat connect lines Sweat connect units are factory charged with refrigerant for a nominal sized matching indoor coil plus 15 feet of field supplied lines Matching indoor coils can be used with a thermostatic expansion valve TXV Refer to the Tabular Data Sheet or to the Technical Guide for the proper selection SECTION II SAFETY This is a safety alert symbol When ...

Страница 2: ...eb site Provide adequate structural support for the unit TABLE 1 Minimum Maximum Operating Limit Conditions AIR TEMPERATURE AT OUTDOOR COIL F C AIR TEMPERATURE AT INDOOR COIL F C Min Max Min Max DB Cool DB Heat DB Cool DB Heat WB Cool DB Heat WB Cool DB Heat 35 2 20 29 125 52 75 24 57 14 50 10 72 22 80 27 Reference the NOTICE under the Unit Reduced Capacity Conditions section TABLE 2 Allowable Ver...

Страница 3: ...DFH XQGHU FHQWHU RI FRPSUHVVRU 127 QVXUH DGHTXDWH ZDOO VXSSRUW 87 21 6SHFLDO FDUH PXVW EH WDNHQ WR DYRLG UHFLUFXODWLRQ RI GLVFKDUJH DLU WKURXJK FRQGHQVHU FRLO FIGURE 2 Alternative Installation Clearances 0 1 080 5 1 7 1 81 76 127 OHDUDQFH EHWZHHQ WZR XQLWV PD EH UHGXFHG WR PLQLPXP SURYLGHG WKH VHUYLFH DFFHVV FOHDUDQFH LV LQFUHDVHG WR PLQLPXP DQG WKH FOHDUDQFH RQ HDFK UHPDLQLQJ VLGH LV PDLQWDLQHG D...

Страница 4: ...ransmission of sound or vibra tion into the conditioned space WALL MOUNT INSTALLATION Care must be taken to mount the outdoor unit on a solid base that is sloped to shed water secure from settlement and is isolated from the structural foundation or walls to prevent sound and vibration transmis sion into the living space On occasion site conditions may require direct wall mounted brackets to be use...

Страница 5: ...ternally clean and dry system PRECAUTIONS DURING BRAZING SERVICE VALVE Precautions should be taken to prevent heat damage to service valve by wrapping a wet rag around it as shown in Figure 5 Also protect all painted surfaces insulation and plastic base during brazing After braz ing cool joint with wet rag Valve can be opened by removing the service valve cap and fully insert ing a hex wrench into...

Страница 6: ...er holding charge is completely discharged loosen and remove the Schrader core 3 Place a backup wrench on distributor loosen and remove brass distributor nut Retain brass nut for use on liquid line Keep Teflon washer in place and discard clear disc 4 Install the thermal expansion valve on the distributor assembly with supplied fittings Ensure Teflon washer is seated in distributor Hand tighten and...

Страница 7: ...stem has no leaks simply close the valve to the vacuum pump suction to isolate the pump and hold the system under vacuum Watch the micron gauge for a few minutes If the micron gauge indicates a steady and continuous rise it s an indication of a leak If the gauge shows a rise then levels off after a few minutes and remains fairly constant it s an indication that the system is leak free but still co...

Страница 8: ...ging chart is not on the unit then it can be obtained from www upgnet com Before using gauges confirm that your gauges are accurate by com paring the gauges against a calibrated pressure gauge that has been calibrated against a national standard If a calibrated pressure gauge is not available place a R 410A virgin refrigerant container in a condi tioned space long enough to come to temperature equ...

Страница 9: ... facilitate the swing away feature of the control box Refer to Figure 11 Check the electrical supply to be sure that it meets the values specified on the unit nameplate and wiring label Power wiring control low voltage wiring disconnect switches and over current protection must be supplied by the installer Wire size should be sized per NEC requirements The complete connection diagram and schematic...

Страница 10: ...d indoor unit to provide cooling at a reduced air flow lowering evaporator temperature and increasing latent capacity The humidistat in this control opens the humidistat contacts as the humidity rise Installation instructions are packaged with the acces sory Prior to the installation of the dehumidification control the humidi stat jumper must be set to YES on the indoor variable speed air handler ...

Страница 11: ...rgizes the relay outputs and can no longer energize any relays until the voltage level increases The control stores and displays the appropriate fault codes when low voltage conditions occur TEST INPUT The control includes a TEST input connector that can be used for vari ous testing functions during installation and service The TEST input connector is shown in Figure 15 The following table summari...

Страница 12: ...rt removed Resume normal LED display Test pin Short not removed Display operational mode AC or HP FIGURE 14 Heat Pump Flow Diagram A017 001 OUTDOOR COIL CHARGE COMPENSATOR Empty in cooling full in heating Not included in all units FIELD CONNECTED LINE 4 WAY REVERSING VALVE SUCTION ACCUMULATOR COMPRESSOR FILTER DRYER Soild core BI FLOW TXV CHECK VALVE Heating LIQUID SENSOR BI FLOW TXV CHECK VALVE C...

Страница 13: ...d off period between repetitions of the fault code If multiple fault codes are present at the same time the LED and the 7 Segment dis plays only the highest priority fault The other active faults may be accessed via the LAST ERROR button on the control board Table 8 below shows the LED and the 7 Segment display representa tion for specified faults For instance a solid red LED with a 7 Segment disp...

Страница 14: ...w discharge line temperature RED solid 1 6 Wiring Related Fault Codes O signal received in AC mode RED solid 1 8 W signal received in AC mode RED solid 1 9 W and O signal received in AC mode RED solid 2 0 W and O signal received in HP mode RED solid 2 4 Mismatch Speed Fault Codes Compressor Start Failure Red solid 2 5 OD Fan Start Failure Red solid 2 6 Operating Envelope Threshold Errors OD ambien...

Страница 15: ...limiting RED solid 6 1 Compressor inverter over current speed limiting RED solid 6 2 DC voltage low speed reducing RED solid 6 3 Compressor inverter over current speed reducing RED solid 6 4 IPM over temperature speed reducing RED solid 6 5 TABLE 8 Fault Code Display Continued Description LED 7 Segment Display 1 7 Segment Display 2 TABLE 9 High Pressure Switch HPS Fault INVERTER FAULT CODE FAULT D...

Страница 16: ...ars If fault is still persistent go to step 4 Step 4 Validate voltage between 208 265 VAC Check supply voltage to the outdoor unit If low contact utility provider Step 5 Inverter internal damage Change out the inverter drive Validate the fix If the issue is persistent reinstall the original inverter drive and go to the last step Last Step If fault remains Contact JCI Technical Services 40 Compress...

Страница 17: ...ack Wire BLK U Brown Wire BRN Step 3 Inverter internal damage Change out the inverter drive Validate the fix If the issue is persistent reinstall the original inverter drive and go to step 4 Step 4 Compressor internal damage Replace compressor Validate the fix If the issue is persistent reinstall the original compressor and go to the last step Last Step If fault remains Contact JCI Technical Servi...

Страница 18: ...hm 3 Ton 0 53 Ohm 4 Ton 0 44 Ohm 5 Ton 0 29 Ohm W Red Wire RED V Black Wire BLK U Brown Wire BRN Step 2 Inverter internal damage Change out the inverter drive Validate the fix If the issue is persistent reinstall the original inverter drive and go to step 3 Step 3 Compressor internal damage Replace Compressor Validate the fix If the issue is persistent reinstall the original compressor and go to t...

Страница 19: ...go to the last step Last Step If fault remains Contact JCI Technical Services 53 Analog to Digital Conversion Error Step 1 Loose or incorrect wire connections Check incoming power leads and leads to the compressor plug W Red Wire RED V Black Wire BLK U Brown Wire BRN Step 2 Phase imbalance Check compressor winding resistance or miswire of compres sor leads at the compressor terminals and at invert...

Страница 20: ...D fan plug at the OD fan terminals R White Wire White S Blue Wire Blue T Orange Wire Orange Step 3 Inverter internal damage Change out the inverter drive Validate the fix If the issue is persistent reinstall the original inverter drive and go to step 4 Step 4 Fan motor internal damage Replace outdoor fan motor Validate the fix If the issue is per sistent reinstall the original fan motor and go to ...

Страница 21: ...ive Validate the fix If the issue is persistent reinstall the original inverter drive and go to step 4 Step 4 Fan motor internal damage Replace outdoor fan motor Validate the fix If the issue is persistent reinstall the original fan motor and go to the last step Last Step If fault remains Contact JCI Technical Services TABLE 11 Outdoor Fan Motor Fault Continued INVERTER FAULT CODE FAULT DESCRIPTIO...

Страница 22: ... DC under Voltage Software Protection Step 1 Low supply line voltage less than 187 VAC Check supply voltage to the outdoor unit If low contact utility provider Step 2 Loose wire in control box area Breaker terminal not secure Loose wire Check for loose wire in outdoor unit Verify bench circuit is sized right Step 3 Verify fault clears If fault is still persistent go to step 4 Step 4 Validate volta...

Страница 23: ...ssue is persistent reinstall the original compressor and go to the last step Last Step If fault remains Contact JCI Technical Services 37 Intelligence Power Module IPM Over Temperature Step 1 Outdoor airflow is too low or off in Cooling Mode Check outdoor coil for clogging ice or debris and clean or de ice if necessary Troubleshoot outdoor fan motor and make sure it is working Follow Outdoor Fan M...

Страница 24: ...g call ends during the process of re evaluating the clear coil temperature it utilizes the previously stored averaged values from the previous cycle In other words the utilized value must not be cleared until the 4 values are averaged and that value is ready to populate the utilized value If no previously stored averaged values exist the control remains uncalibrated and attempts calibration at the...

Страница 25: ...efrost sequence terminates immediately and resets the internal tim ings regardless of the state of the coil sensor temperature Once a defrost mode is initiated an internal timer Coil T greater than 35 F Timer counts the time that the coil temperature Coil T is above 35 F The control is able to indicate at the end of a defrost if the Coil T is or is not more than 35 F for 4 minutes If the control d...

Страница 26: ...rter drive based on the control operation Upon a power cycle or initial power up the system enters 4th Stage Nominal If the outdoor ambient temperature is greater than 5 F dependent on compressor run time the system stages to the 5th Stage Over Drive When the call for conditioning is removed the sys tem stores an exit comparison based on compressor run time and last stage of operation With a new c...

Страница 27: ...r unit When the heat pump control energizes the Y2 OUT terminal the indoor blower runs at high speed delivering high airflow When the control de energizes the Y2 OUT terminal the indoor air flow level reduces as the blower runs at a lower speed delivering lower airflow and higher leaving air temperature SECTION XI INSTRUCTING THE OWNER Assist owner with processing warranty cards and or online regi...

Страница 28: ...05 C THERMOPLASTIC OR ITS EQUIVALENT 1 2 LEGEND AS AMBIENT SENSOR CCH CRANKCASE HEATER HPS HIGH PRESS SWITCH CS COIL SENSOR LPS LOW PRESS SWITCH RV REVERSING VALVE DIS DISCHARGE SENSOR COLOR CODE BLK BLACK BLU BLUE BLU W YEL BLUE W YELLOW STRIPE BRN BROWN GRY GREY ORG ORANGE RED RED WHT WHITE YEL YELLOW YEL W RED YELLOW W RED STRIPE YEL GRN YELLOW AND GREEN FAN MOTOR GND WHT BLU ORG W R V C U S RE...

Страница 29: ...tion Equipment Data Venting if applicable Electrical Line Voltage Outdoor Unit Model Outdoor Unit Serial Filter Thermostat Accessories Filter Location s Connections Per Installation Instructions and Local Codes Gas piping is connected if applicable Supply plenum and return ducts are connected and sealed Filter Size Vent system is connected if applicable Thermostat wiring complete Heat anticipator ...

Страница 30: ... HEAT Refrigerant Charge and Indoor Metering Device TXV R 410A Oz 45s Elbows TXV Liquid Line Temp Indoor Subcooling Indoor Superheat High Side Pressure Low Side Pressure Suction Line Temp Additional Lineset Length Adder per foot lbs Total Added lbs Oz Cycle Test Operate the unit through several heating cycles from the thermostat noting and correcting any problems Operate the unit through continuou...

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