Carrier 24ANA1 Infinity- Manuals

Page 2 - INSTALLATION RECOMMENDATIONS; INSTALLATION; Check Equipment and Job Site; Unpack Unit; Install on a Solid, Level Mounting Pad; UNIT BASE PAN; NOTE; Clearance Requirements

2 INSTALLATION RECOMMENDATIONS NOTE : In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment. 1. Locate unit away from windows, patios, decks, etc. where unit operation sound may disturb customer. 2. Ensure that vapor and liquid tube diameter...

Page 3 - PERSONAL INJURY AND ENVIRONMENTAL; WARNING; CAUTION; UNIT DAMAGE HAZARD; Outdoor Unit Connected to Factory Approved Indoor

3 On rooftop applications, locate unit at least 6 in. (152.4 mm) aboveroof surface. Operating Ambient The minimum outdoor operating ambient in cooling mode is 55 _ F/12.78 _ C without low ambient cooling enabled, and the maximum outdoor operating ambient in cooling mode is 125 _ F/51.67 _ C. On Infi...

Page 4 - Table 2 – Accessory Usage; Refrigerant Tubing Connection Outdoor; Evacuate Refrigerant Tubing and Indoor Coil

4 Table 2 – Accessory Usage Accessory REQUIRED FOR LOW --- AMBIENT COOLING APPLICATIONS (Below 55 ° F/12.8 _ C) REQUIRED FOR LONG LINE APPLICATIONS* REQUIRED FOR SEA COAST APPLICATIONS (Within 2 miles/3.22 km) Accumulator No No No Compressor Start Assist Capacitor and Relay } Standard on 24ANA7 mode...

Page 5 - MINUTES; LEAK IN; MI; Make Electrical Connections; Compressor Crankcase Heater

5 Refrigerant tubes and indoor coil should be evacuated using therecommended deep vacuum method of 500 microns. The alternate triple evacuation method may be used. See Service Manual fortriple evacuation method. Always break a vacuum with dry nitrogen. _ Deep Vacuum Method The deep vacuum method req...

Page 6 - Make Airflow Selections; Airflow Setup for Infinity Control Furnace of FE Fan; UNIT OPERATION AND SAFETY HAZARD; ENVIRONMENTAL HAZARD

6 Make Airflow Selections Airflow Setup for Infinity Control Furnace of FE Fan coil (communicating) When using an Infinity User Interface, airflow is automatically selected based on equipment size. See User Interface Installation Instructions for available adjustments. Airflow Selection for Variable...

Page 7 - System Functions And Sequence Of Operation

7 System Functions And Sequence Of Operation The outdoor unit control system has special functions. Thefollowing is an overview of the 2--stage control functions: Cooling Operation 24ANA7 and 24ANA1 (containing circuit board HK38EA015 or newer) models utilize either a 2--stage cooling indoor thermos...

Page 8 - Compressor Operation on 24ANA1 Models; Crankcase Heater Operation; Table 3 – Outdoor Fan Motor PWM; Time Delays; Infinity Controlled low ambient cooling:

8 Compressor Operation on 24ANA1 Models The basic scroll design has been modified with the addition of an internal unloading mechanism that opens a by--pass port in the firstcompression pocket, effectively reducing the displacement of the scroll. The opening and closing of the by--pass port is contr...

Page 9 - Check Charge; All 24ANA units must be charged in high stage only.; TROUBLESHOOTING; Systems Communication Failure; Pressure Switch Protection

9 Check Charge All 24ANA units must be charged in high stage only. Factory charge amount and desired subcooling are shown on unit rating plate. Charging method is shown on information plate inside unit. To properly check or adjust charge, conditions must befavorable for subcooling charging. Favorabl...

Page 11 - (Winding Resistance at 70; MAJOR COMPONENTS; Field Connections; TEMPERATURE THERMISTORS; THERMISTOR CURVE; IMPORTANT; Thermistor Sensor Comparison

11 Table 5 – 2 --- Stage Compressor (Winding Resistance at 70 _ F ± 20 _ / 21.11 _ C ± 11.11 _ C) Winding 24ANA724 24ANA736 24ANA748 24ANA760 Start (S --- C) 2.74 1.98 1.55 0.74 Run (R --- C) 0.80 0.75 0.48 0.36 Winding 24ANA124 24ANA136 24ANA148 24ANA160 Start (S --- C) 1.40 1.29 1.52 0.60 Run (R -...

Page 12 - FINAL CHECKS; CARE AND MAINTENANCE

12 OAT Thermistor must be locked in place with spherical nib end facing to- wards the front of the control box Fig. 8 -- Outdoor Air Thermistor (OAT) Attachment OCT Thermistor must be secured tight on the liquid tube. Fig. 9 -- Outdoor Coil Thermistor (OCT) Attachment FINAL CHECKS IMPORTANT : Before...

Page 13 - Status Codes; Table 6 shows the status codes flashed by the amber status light.; EXAMPLE; short flashes followed by 2 long flashes indicates a 32 code.; Table 6 – TROUBLESHOOTING

13 Status Codes Table 6 shows the status codes flashed by the amber status light. Most system problems can be diagnosed by reading the status codeas flashed by the amber status light on the control board.The codes are flashed by a series of short and long flashes of thestatus light. The short flashe...

Page 14 - LEGEND

14 A08060 A08057 Edge Thermidistat Models TP --- PRH --- 01 & TP --- NRH --- 01 w/ Fan Coil & 2 --- Stage Air Conditioner Edge Thermidistat Models TP --- PRH --- 01 & TP --- NRH --- 01 w/ Furnace & 2 --- Stage Air Conditioner RVS/Heat Stage 2 O/W2/B Heat Stage 1 W /W 1 Compressor Low...

Page 15 - PURON

15 D C B A User Interface D C B A D C B A Fan Coil Communicating AC//HP OA T R Y O W C HUM C Humidifier 24v ac A03076 Fig. 11 -- Infinity Furnace or Fan Coil Wiring with Communicating 2--stage AC PURON R (R--410A) REFRIGERANT QUICK REFERENCE GUIDE S Puron refrigerant operates at 50--70 percent highe...

Carrier 24ANA1 Infinity- Manuals

Manuals:

User Manual Carrier 24ANA1 Infinity

Summary

Carrier Manuals