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24ANA

Infinity

t

Series Air Conditioners

with Puron

r

Refrigerant

2 to 5 Nominal Tons (Sizes 24 to 60)

Installation Instructions

NOTE

: Read the entire instruction manual before starting the

installation.
Unless otherwise noted, information in these installation
instructions pertain to both 2

4ANA1

and 24ANA7 series units.

Information that is unique to the 24ANA1 series will be identified

as such; likewise information that is unique to the 24ANA7 series

will also be identified.

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance,

or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property

damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified

installer or agency must use 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 glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.

Have fire extinguisher available. Read these instructions

thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes and

current editions of the National Electrical Code (NEC) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code

CSA 22.1.

Recognize safety information. This is the safety--alert symbol

!

!

.

When you see this symbol on the unit and in instructions or

manuals, be alert to the potential for personal injury.
Understand these signal words; DANGER, WARNING, and
CAUTION. These words are used with the safety--alert symbol.

DANGER identifies the most serious hazards which

will

result in

severe personal injury or death.

WARNING signifies hazards

which

could

result in personal injury or death. CAUTION is used

to identify unsafe practices which

may

result in minor personal

injury or product and property damage. NOTE is used to highlight

suggestions which

will

result in enhanced installation, reliability, or

operation.

CUT HAZARD

Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and

wear appropriate protective clothing and gloves when handling

parts.

CAUTION

!

Indoor Thermostat Control Options

Model

Infinity

Control

Standard 2---stage

Thermostat

24ANA7

Yes

Yes

24ANA1

Yes

Yes*

* Units containing circuit board HK38EA015 or newer.

!

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury

or death.
Before installing, modifying, or servicing system, main

electrical disconnect switch must be in the OFF position.

There may be more than 1 disconnect switch. Lock out and

tag switch with a suitable warning label.

!

WARNING

UNIT OPERATION AND SAFETY HAZARD

Failure to follow this warning could result in personal injury,

death and/or equipment damage.
Puron refrigerant systems operate at higher pressures than

standard R--22 systems. Do not use R--22 service equipment

or components on Puron equipment.

Summary of Contents for 24ANA1 Infinity

Page 1: ...cognize safety information This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazard...

Page 2: ...llation Specifications for this unit in residential new construction market require the outdoor unit indoor unit refrigerant tubing sets metering device and filter drier listed in presale literature There can be no deviation Consult the Application Guideline and Service Manual Air Conditioners and Heat Pumps Using Puron Refrigerant to obtain required unit changes for specific applications and for ...

Page 3: ...d tubing diameters Refer to Table 2 for accessory requirements There are no buried line applications greater than 36 in 914 4 mm If refrigerant tubes or indoor coil are exposed to atmosphere they must be evacuated to 500 microns to eliminate contamination and moisture in the system Outdoor Unit Connected to Factory Approved Indoor Unit Outdoor unit contains correct system refrigerant charge for op...

Page 4: ...r CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Installation of filter drier in liquid line is required Refer to Fig 3 and install filter drier as follows 1 Braze 5 in 127 mm liquid tube to the indoor coil 2 Wrap filter drier with damp cloth 3 Braze filter drier to above 5 in 127 mm liquid tube Flow arrow must point towards indoor co...

Page 5: ...m unit per Section 440 14 of NEC Route Ground and Power Wires Remove access panel to gain access to unit wiring Extend wires from disconnect through power wiring hole provided and into unit control box WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if ...

Page 6: ... board that allows the installing technician to select proper airflows For adjustments to control board and recommended A C SIZE and CFM ADJUST selections This fan coil has an adjustable blower off delay factory set at 90 sec for high and low stage blower operation For other combinations of equipment consult the Product Data Sheet START UP CAUTION UNIT OPERATION AND SAFETY HAZARD Failure to follow...

Page 7: ...ht on the outdoor board see Fig 6 indicates successful communication with the other system products The green LED will remain OFF until communications is established Once a valid command is received the green LED will turn ON continuously If no communication is received within 2 minutes the LED will be turned OFF until the next valid communication Amber Status Light An amber colored STATUS light i...

Page 8: ...s Table 3 Outdoor Fan Motor PWM Outdoor Temp DC volts Tolerance 2 MODEL LOW STAGE OAT 104_F 40_C HIGH STAGE OAT 104_F 40_C LOW HIGH STAGE OAT 104_F 40_C 24ANA124 9 57 10 88 11 90 24ANA136 9 06 10 23 11 90 24ANA148 9 91 11 04 11 90 24ANA160 10 83 11 70 11 90 NOTE For 24ANA1 models in low ambient cooling the PWM output for both high and low stage equals the value for low stage operation below 55_F 1...

Page 9: ...r the unit to operate NOTE The model plug takes priority over factory model information input at the factory If the model plug is removed after initial power up the unit will operate according to the last valid model plug installed and flash the appropriate fault code temporarily Table 4 Model Plug Information MODEL NUMBER MODEL PLUG NUMBER PIN RESISTANCE K ohms Pins 1 4 Pins 2 3 24ANA724 HK70EZ00...

Page 10: ... Contactor Open 24ANA7 models No 230V at Compressor 24ANA1 models If the compressor voltage is not sensed when the compressor should be starting the appropriate contactor may be stuck open or there is a wiring error The control will flash the appropriate fault code Check the contactor and control box wiring 24ANA7 Models Only Compressor Start Detection In low stage if the specified start voltage a...

Page 11: ...rload attached to motor windings Compressor Control Contactors The contactor s have a 24 volt coil The electronic control board controls the operation of the appropriate contactors TEMPERATURE THERMISTORS Thermistors are electronic devices which sense temperature As the temperature increases the resistance decreases Thermistors are used to sense outdoor ambient OAT and coil temperature OCT Refer t...

Page 12: ... that all wiring and tubing is secure in unit before adding panels and covers Securely fasten all panels and covers 3 Tighten service valve stem caps to 1 12 turn past finger tight 4 Leave Users Manual with owner Explain system operation and periodic maintenance requirements outlined in manual 5 Fill out Dealer Installation Checklist and place in customer file CARE AND MAINTENANCE For continuing h...

Page 13: ...nd exists Possible causes are internal compressor overload trip or start relay and capacitor held in circuit too long if installed high stage Ther mal Cutout 72 Compressor operation detected then disappears while high stage demand exists Possible causes are internal compressor overload trip or start relay and capacitor held in circuit too long if installed Contactor Shorted 73 Compressor voltage s...

Page 14: ...M 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Return SRTN SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room Sensor THERMIDISTAT VARIABLE SPEED FURNACE TWO STAGE AIR CONDITIONER A09338 Thermidistat Model TP PRH 01 or TP NRH 01 w VS Furnace 2 Stage Air Conditioner Variable Speed Furnace Thermidistat 2 Stage Air Conditioner Heat Stage 2 O B W2 W2 Heat...

Page 15: ...le with POE oils S Vacuum pumps will not remove moisture from oil S Do not use liquid line filter driers with rated working pressures less than 600 psig S Do not leave Puron suction line filter driers in line longer than 72 hours S Do not install a suction line filter drier in liquid line S POE oils absorb moisture rapidly Do not expose oil to atmosphere S POE oils may cause damage to certain plas...

Page 16: ... W Morris St S Indianapolis IN 46231 Printed in U S A Edition Date 07 09 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 24ANA 6SI Replaces 24ANA 5SI 24ANA ...

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