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Johnson Controls YXV SERIES, Installation Manual

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Johnson Controls YXV SERIES Installation Manual Download Page 17

5284792-UIM-D-1017

Johnson Controls Unitary Products

17

Lost Rotor 

Position

LED604 / LED2

2

LOST ROTOR POSITION – 

INVERTER DRIVE

Loose or incorrect 

wire connections

Check lead to the compressor plug 

and at inverter drive.

W: Red Wire (RED).

V: Black Wire (BLK).

U: Brown Wire (BRN).

Phase imbalance or

 shorted compressor 

windings.

Check compressor winding resistance 

at the compressor terminals.

2 Ton - 0.681
3 Ton - 0.203
4 Ton - 0.203
5 Ton - 0.203

Inverter component 

damage. 

Replace drive.

Internal compressor 

damage. 

Replace compressor.

Compressor Phase 

Current Imbalance

LED 603 / LED3

14

COMPRESSOR PHASE 

CURRENT IMBALANCE – 

INVERTER DRIVE

Loose or incorrect 

wire connections

Check lead to the compressor plug 

and at inverter drive.

W: Black Wire (BLK).

V: Red Wire (RED).

U: Brown Wire (BRN).

Phase imbalance or 
shorted compressor 

windings

Check compressor winding resistance 

at the compressor terminals.

2 Ton - 0.681
3 Ton - 0.203
4 Ton - 0.203
5 Ton - 0.203

Inverter component 

damage. 

Replace drive.

Internal compressor 

damage. 

Replace compressor.

Microelectronic 

Fault

LED 603 / LED3

13

MICROELECTRONIC 

FAULT – 

INVERTER DRIVE

Digital Signal 

Processor self-check.

Remove power to drive for 2 minutes. Reapply 

power. If problem remains, replace drive.

EEPROM Fault

LED 603 / LED3

12

Digital Signal 

Processor self-check.

Remove power to drive for 2 minutes. Reapply 

power. If problem remains, replace drive.

Power Module Temp 

Low or Sensor 

Open Fault

LED 603 / LED3

2

POWER MODULE TEMP 

LOW / SENSOR OPEN – 

INVERTER DRIVE

Temperature 

sensor on the drive 
is potentially faulty.

Remove power to drive for 2 minutes. Reapply 

power. If problem remains, replace drive.

DC Bus 

Under Voltage

LED604 / LED2

17

NA 

Low input voltage

Check the DC bus voltage if it is < 385VDC. Use 

bus voltage terminals found in Figures 12-14.

Check the line voltage if it is < 187VAC. 

(If low, contact utility provider.)

Damaged Inverter Board

Replace drive.

AC Input Current 

Foldback Timeout

LED 603 / LED3

15

AC INPUT CURRENT 

FOLDBACK – 

INVERTER DRIVE

Reduced input voltage

Check the line voltage if it is < 187VAC.

Distorted input voltage

Check the line voltage for noise. 

Call an electrician or the power 

company if noise is found.

High compressor load.

Check the compressor is operating 

with in specified limits.

Drive component issue.

Replace drive.

Sensor on drive not 

reading properly.

Replace drive.

Modbus 

Communication Lost

LED 603 / LED3

11

MODBUS COMM LOST – 

INVERTER DRIVE

Loose or 

disconnected 

communication 

harness.

Validate harness connection.

Broken or damaged 

communication 

harness.

Check continuity of harness wires. If an problem 

is found, replace communication harness.

Damaged OD 
Control Board

Remove power to system for 2 minutes. 

Reapply power. If problem remains,

replace OD Control Board.

Damaged 

Inverter Board

Remove power to drive for 2 minutes. Reapply 

power. If problem remains, replace drive.

TABLE 8: 

Inverter Drive Fault/Status Code Display

Inverter Drive 

Description

LED

1

Blink 

Codes

OD Display Text

Possible 

Causes

Solution

Summary of Contents for YXV SERIES

Page 1: ...II SAFETY This is a safety alert symbol When you see this symbol on labels or in manuals be alert to the potential for personal injury Understand and pay particular attention to the signal words DANGER WARNING or CAUTION DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING indicates a potentially hazardous situation which if not avo...

Page 2: ...r below refer to the Optional Cold Weather Charging procedures near the end of SECTION VI SYSTEM CHARGE There is an Optional Cold Weather Charging accessory kit to prevent the outdoor unit from taking in cold air below 55 F The kit part number can be found in the list of accessory kits on the UPGNET web site Provide adequate structural support for the unit CAUTION This product must be installed in...

Page 3: ...QWHU EUDFH XQGHU FHQWHU RI FRPSUHVVRU 127 QVXUH DGHTXDWH ZDOO VXSSRUW 87 21 6SHFLDO FDUH PXVW EH WDNHQ WR DYRLG UHFLUFXODWLRQ RI GLVFKDUJH DLU WKURXJK RXWGRRU 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 PDLQWDL...

Page 4: ... conditions may require direct wall mounted brackets to be used to locate and support the outdoor unit In these applications care must be taken to address unit base pan support structural integ rity safe access and serviceability as well as the possible sound and vibration transmission into the structure Wall mounting requires 3 mounting brackets and best served by a properly engineered solution S...

Page 5: ...e vapor service port connection After this connection has cooled remove the nitrogen source from the liquid fitting ser vice port 6 Braze the liquid line to the evaporator liquid connection Nitrogen should be flowing through the evaporator coil 7 Slide the grommet away from the vapor connection at the indoor coil and wrap with a wet rag as shown in Figure 5 Braze the vapor line to the evaporator v...

Page 6: ...eatherproof disconnect switch outdoors and within sight of the unit per local code 2 Remove the screws at the top and sides of the corner cover Slide the control box cover down and remove from unit 3 Run power wiring from the disconnect switch to the unit 4 Route wires from disconnect through power wiring exit provided and into the unit control box as shown in Figure 1 and view the openings in Fig...

Page 7: ...al set up process using the HxTM thermostat additional fine tuning of the airflow is accomplished by selecting on of the three operating profiles The three operating profiles include humid dry or normal Select the one that best reflects the out door environment where the conditioned space is located This selec tion adjusts the how the indoor blower and the compressor work together to manage temper...

Page 8: ...nce visits the charge verification display can be used to quickly check overall system condition and the system charge without attaching a separate manifold gauge set or temperature sensors 6 Permanently mark the unit data plate with the total amount of refrig erant in the system FIGURE 9 System Charging Connections 6 5 7 0 521 8 5HTXLUHG IRU HYDFXDWLRQ SURFHGXUH RQO 9 880 3803 7 6 7 03 5 785 1 72...

Page 9: ...door transformer secondary 24 VAC volt age and provides low voltage protection for the heat pump and its com ponents If the voltage drops below approximately 22 VAC the control continues to energize any outputs that are already energized If the volt age drops below approximately 19 VAC the control immediately de energizes the outputs and can no longer energize any outputs until the voltage level i...

Page 10: ...oltage is applied The control will scroll and display STANDBY when there are no active calls for compressor operation TABLE 4 Same Priority Fault Storage Control Description Time of Fault Fault Priority Inverter Control Fault Microelectronic Fault 10 15 00 1 Outdoor Control Fault Inverter Control Communications Fault 10 15 01 1 TABLE 5 Status Code Display Description Required Condition LED Color N...

Page 11: ...on Saved Configuration Selection The system will save all individual con figuration selections made on the Outdoor Display Upon returning to a previously saved configuration the system shall display the previously saved configuration setting s Not the Default setting s unless the saved selection was in fact the default selection Operational Mode The system will display Inverter profile and revers ...

Page 12: ...m in high pressure switch lockout last mode of operation was normal compressor RED Solid HPS HARD LOCKOUT NORMAL See HPS fault See HPS fault X Low Voltage 19 VAC RED Solid LOW VOLTAGE BELOW 19VAC Under Voltage Check input power supply wires Check input power supply and 24VAC circuit before and during operation to verify voltage is within range given in manual 197 252Vac and 19 Check 24Vac transfor...

Page 13: ...ure See Ambient Sensor failure X COIL TEMP SENSOR OPEN HARD LOCKOUT See Ambient Sensor failure See Ambient Sensor failure X Liquid line temperature sensor failure short not in lockout yet RED Solid LIQUID TEMP SENSOR SHORT See Ambient Sensor failure See Ambient Sensor failure X Liquid line temperature sensor failure short RED Solid LIQUID TEMP SENSOR SHORT SOFT LOCKOUT See Ambient Sensor failure S...

Page 14: ...pressure sensor failure high voltage RED Solid DISCHARGE PRESSURE SENSOR HIGH VOLTAGE SOFT LOCKOUT See Discharge Pressure Sensor Fault See Discharge Pressure Sensor Fault X Suction pressure sensor failure low voltage RED Solid SUCTION PRESSURE SENSOR LOW VOLTAGE SOFT LOCKOUT Bad wiring harness Check harness for continuity X Bad OD control board If supply voltage across BLK and BLU WHT doesn t read...

Page 15: ...motor operation and airflow restrictions Dirty ID coil External static is too high correct duct work ID air temp out of range Verify the ID ambient temperature is with the range listed in the IOM design parameters Reduced or no ID airflow due to motor limits Check motor current against limits Check input voltage to ensure within range Insufficient charge Check refrigerant charge compared to tech s...

Page 16: ...nt issue Replace drive AC Input Current Sampling Fault LED 603 LED3 5 Sensor on drive not reading properly Replace drive DC Bus Over Voltage LED604 LED2 7 DC BUS OVER VOLTAGE INVERTER DRIVE High input voltage Check the DC bus voltage if it is 385 VDC Use bus voltage terminals found in Figures 12 14 Check the line voltage if it is 265VAC If high contact utility provider Damaged Inverter Board Repla...

Page 17: ... Temp Low or Sensor Open Fault LED 603 LED3 2 POWER MODULE TEMP LOW SENSOR OPEN INVERTER DRIVE Temperature sensor on the drive is potentially faulty Remove power to drive for 2 minutes Reapply power If problem remains replace drive DC Bus Under Voltage LED604 LED2 17 NA Low input voltage Check the DC bus voltage if it is 385VDC Use bus voltage terminals found in Figures 12 14 Check the line voltag...

Page 18: ...is too low or off Verify proper airflow over the drive heat sink Inverter component damage Replace drive Compressor Model Configuration Error LED 604 LED2 22 COMPRESSOR MODEL CONFIGURATION ERROR INVERTER DRIVE Compressor model and configuration code do not match Check system configuration and select proper system tonnage in repair part menu If proper option is not available the correct drive has n...

Page 19: ...ls Unitary Products 19 FIGURE 12 2 Ton Inverter Drive LED Location 86 92 7 7 50 1 6 FIGURE 13 3 4 Ton Inverter Drive LED Location 86 92 7 7 50 1 6 FIGURE 14 5 Ton Inverter Drive LED Location OO V DUH EHQHDWK WKH SODWH 86 92 7 7 50 1 6 ...

Page 20: ...ower before servicing Wait 2 minutes to ensure that drive capacitors are discharged before servicing Use compressor with grounded system only Molded electrical plug must be used for connection to compressor BURN HAZARD Failure to follow these warnings could result in serious personal injury or property damage Ensure that materials and wiring do not touch high temperature areas of the compressor Pe...

Page 21: ...8 118 4 3889 110 230 0 517 13 8 6 65219 49 120 2 3743 111 231 8 503 12 10 4 61711 50 122 0 3603 112 233 6 489 11 12 2 58415 51 123 8 3469 113 235 4 476 10 14 0 55319 52 125 6 3340 114 237 2 463 9 15 8 52392 53 127 4 3217 115 239 0 450 8 17 6 49640 54 129 2 3099 116 240 8 437 7 19 4 47052 55 131 0 2986 117 242 6 425 6 21 2 44617 56 132 8 2878 118 244 4 413 5 23 0 42324 57 134 6 2774 119 246 2 401 4...

Page 22: ... a low suction pressure fault is recognized regardless of a bypass time SECTION IX INSTRUCTING THE OWNER Assist the owner with registering the unit warranty using the warranty card included with the unit or preferably online at www upgproductregistration com It is strongly recommended to com plete a startup sheet showing the critical readings of the unit at the time of commissioning which can be u...

Page 23: ...TEMP SENSOR TB TERMINAL BLOCK XFMR TRANSFORMER BLK BLACK BLU BLUE BLU WHT BLUE w WHITE STRIPE BRN BROWN GRN GREEN PUR PURPLE RED RED RED WHT RED w WHITE STRIPE WHT WHITE YEL YELLOW YEL PINK YELLOW w PINK STRIPE 5295812 UWD C 0217 FERRITE RING CHOKE DS LTS AMB CTS R C P6 P7 P8 P10 P2 P3 P1 P5 P4 A B C A R B C G S V G S V DTS DPT SPT STS RV DR C O Y OD FAN RS485 COMM EEV COMM RS485 COMM 3A COMPRESSO...

Page 24: ... WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH 105 C THERMOPLASTIC OR ITS EQUIVALENT 1 2 AMB AMBIENT TEMP SENSOR DPT DISCHARGE PRESSURE DR DEMAND RESPONSE DS DISPLAY SWITCH DTS DISCHARGE TEMP SENSOR HPS HIGH PRESS SWITCH LTS LIQUID TEMP SENSOR SPT SUCTION PRESSURE STS SUCTION TEMP SENSOR TB TERMINAL BLOCK XFMR TRANSFORMER BLK BLACK BLU BLUE BLU WHT BLUE w WHITE STRIPE BRN BROWN GRN GREE...

Page 25: ...272 7 273 8 273 7 272 6 85 294 8 295 8 295 7 293 6 90 318 8 319 8 318 7 316 5 95 343 8 344 9 343 7 341 5 100 370 9 371 9 370 7 367 5 105 398 9 399 9 398 8 395 6 110 428 9 429 10 427 8 425 6 115 459 10 460 10 458 9 457 7 120 491 10 492 10 491 9 490 8 125 525 11 526 11 525 10 525 9 YXV48B21S HIGH SPEED COOLING SUBCOOLING CHARGING CHART OUTDOOR AMBIENT DB F INDOOR WET BULB F AT 80 F DRY BULB 57 62 67...

Page 26: ...5284792 UIM D 1017 26 Johnson Controls Unitary Products NOTES ...

Page 27: ...lts AC 230 volt AC Measured voltage L1 to L2 Total amperes L1 L2 Compressor amperes L1 L2 Measured voltage R and C outdoor unit control board Air Flow Setup Cooling Supply static inches of water column Supply air dry bulb temperature Return air dry bulb temperature Temperature drop A B C D Blower Type Set Up Outside air dry bulb temperature Return air wet bulb temperature Supply air wet bulb tempe...

Page 28: ...dditional Job Details Provide owner with the owner s manual Explain thermostat use and programming if applicable to owner Unit Operation and Cycle Test Operate the unit through continuous fan cycles from the thermostat noting and correcting any problems Operate the unit through cooling cycles from the thermostat noting and correcting any problems Job site has been cleaned indoor and outdoor debris...

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