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17

Table 7 – Troubleshooting

FAULT/OPERATION DESCRIPTION

FLASH CODE

(Amber LED)

RESET TIME

(minutes)

Standby

ON, no flash

--- ---

Variable Capacity or Emergency Mode

1, pause

--- ---

Variable Speed Range Cutback

1 (2 sec ON), longer pause (1 second OFF)

--- ---

Communications Loss

16

N/A

Invalid Model

25

N/A

High Pressure Switch Open

31

15

Low Pressure Trip

32

15

Control Fault

45

N/A

Brownout Event

46

Revert to 5 min cycle delay

Lost Inverter Communications

48

Revert to 5 min cycle delay

230VAC Dropout---Reset Event

49

Revert to 5 min cycle delay

Outdoor Air Temp Sensor Fault

53

N/A

Suction Temp Sensor Fault

54

N/A

Coil Temp Sensor Fault

55

N/A

OAT---OCT Thermistor Out of Range

56

N/A

Suction Pressure Sensor Fault

57

N/A

Suction Thermistor Range Fault

58

N/A

Compressor Scroll Temp Out of Range Event

59

15

Compressor No Start*

62

15

Compressor Sump Heater Active

68

NA

Inverter / Compressor Internal Fault

69

5

Compressor Motor Temp Out of Range Event

71

5

Suction Over Temp Event

72

5

Inverter Temp Out of Range Event

75

5

Inverter Over Current Event

77

5

Compressor No---Pump Event

79

5

Suction Over Temp Lockout

82

4 Hours

Low Pressure Lockout for 4 Hours

83

4 Hours

High Pressure Lockout for 4 Hours

84

4 Hours

Compressor Temp Lockout

85

4 Hours

Compressor Lost Rotor or Temp Sensor Fault**

86

15

Inverter Temp Lockout

88

4 Hours

Inverter VDC---Out Over Voltage Event

91

15

Inverter VDC---Out Under Voltage Event

92

15

230VAC Under Voltage Event

93

15

230VAC Over Voltage Event

94

15

High Current Lockout

95

2 Hours

VDC Under Voltage Lockout

96

2 Hours

VDC Over Voltage Lockout

97

2 Hours

High Torque Event

98

10

High Torque Lockout

99

2 Hours

--- ---

OFF

N/A

* Fault code present software V6 and later
** Fault code present software V5 and earlier

Summary of Contents for Infinity 25VNA

Page 1: ...factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glass...

Page 2: ...tructure and unit to absorb vi bration 6 When passing refrigerant tubes through the wall seal open ing with RTV or other pliable silicon based caulk see Fig 1 7 Avoid direct tubing contact with water...

Page 3: ...tion to building Consult local codes governing rooftop applications Roof mounted units exposed to winds above 5 mph may require wind baffles Consult the Service Manual Residential Split System Air Con...

Page 4: ...INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death Relieve pressure and recover all refrigerant before system repair or final unit disposal Use all...

Page 5: ...LICATIONS Over 80 ft 24 38 m REQUIRED FOR SEA COAST APPLICATIONS Within 2 miles 3 22 km Installations with Radio Frequency Interference Concerns in the Range of 2 to 30 MHZ Crankcase Heater Standard S...

Page 6: ...urface is avoided S Insulating the muffler with Armaflext tape is recommended EXTERIOR WALL VAPOR LINE MUFFLER TO DWELLING A11543 Fig 5 Muffler Installation A05227 Fig 6 Liquid Line Filter Drier Refri...

Page 7: ...Fig 8 Line Power Connections Connect Control Wiring Connect to Infinity connections Only two wires AB to Infinity capable indoor unit furnace or fan coil is required Typical 4 wire ABCD may be connect...

Page 8: ...arge re moval may be necessary 3 Fully open liquid and vapor service valves A11104 Fig 9 Required Charge Adjustment Calculated in UI 4 Set User Interface to operate cooling in CHARGING mode Charging m...

Page 9: ...may not begin to cycle until about 40_F 4 4_C OAT The outdoor unit fan will cycle on and off based on outdoor coil temperature outdoor air temperature and suction pressure measurements to keep the com...

Page 10: ...ize before declaring a properly charged system The use of a commercial charge metering device restrictor such as Imperial liquid low side charger model 535 C or Watsco ChargeFaster model CH200 is reco...

Page 11: ...o be isolated in indoor coil and lineset Set desired time period Default time peri od for the procedure is 120 minutes 4 Select Start on UI to begin the pumpdown process Unit will begin running in sel...

Page 12: ...ard controls the operation of the contactor TROUBLESHOOTING Systems Communication Failure If communication with the Infinity control is lost with the User Interface UI the control will flash the appro...

Page 13: ...proper operating conditions The comparison is S In cooling if the outdoor air sensor indicates 10_F 5 6_C warmer than the coil sensor or the outdoor air sensor indicates 20_F 11_C cooler than the coil...

Page 14: ...N ECM Fan Motor If verification of proper operation is required for the ECM motor used in this unit follow these steps 1 Verify that the 230v input to the transformer is present 2 Verify that the cont...

Page 15: ...urnace or Fan Coil A12055 Fig 18 Infinity Furnace or Fan Coil Wiring with Communicating Variable Speed HP D C B A VS HP OAT G Y O W C HUM Furnace or Fan Coil C B A UT IL C LS O Y R G Y O W C R Convent...

Page 16: ...PL5 PL3 HPS Utility Interface A11544 Fig 20 Variable Speed Control Board with optional Utility Relay CB MODEL PL8 FORCED DEFROST J2 1 BRN RED SEC1 SEC2 PWM2 PWM1 INVERTER PL1 PL2 RVS CC PL11 PL4 PL6 O...

Page 17: ...p Out of Range Event 59 15 Compressor No Start 62 15 Compressor Sump Heater Active 68 NA Inverter Compressor Internal Fault 69 5 Compressor Motor Temp Out of Range Event 71 5 Suction Over Temp Event 7...

Page 18: ...ow side with 550 psig low side retard S Use hoses with 700 psig service pressure rating S Leak detectors should be designed to detect HFC refrigerant S Puron refrigerant as with other HFCs is only com...

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