CAA HIA045C3AA Installation, Start-Up And Service Manual Download

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Installation, Start-up

and

Service Manual

CONTENTS

Safety

Considerations

II.

Start

‐

III.

Pre

‐

installation

IV.

Installation

Splat

LT2

Controller

General

description

VI.

LT2

Controller

Layout

Functions

Speed

Setup

Dash

Board

Screens

Idle

Screen

Fault

History

VII.

Trouble

Shooting

VIII.

Service

Maintenance

IX.

Installation

drawing

Wiring

diagrams

XI.

Specification

sheets

XII.

Test

information

page

XIII.

Appended

data

for

option

units

(Optional)

Horizontal Split Air

Conditioners

2 stage designs

with

Splat LT2 Controllers

Page 1 of 42

IM-HOA 2 ST Rev 2.0 - 21/07/2013

Summary of Contents for HIA045C3AA

Page 1: ...t Functions a Speed up b Setup Menu c Dash Board Screens d Idle Screen e Fault History VII Trouble Shooting VIII Service Maintenance IX Installation drawing X Wiring diagrams XI Specification sheets XII Test information page XIII Appended data for option units Optional Horizontal Split Air Conditioners 2 stage designs with Splat LT2 Controllers Page 1 of 42 IM HOA 2 ST Rev 2 0 21 07 2013 ...

Page 2: ...necting cable correctly If the connecting cable is connected wrongly electric parts may be damaged Check the earth wire for continuity Do not install near concentrations of combustible gas or gas vapours to avoid possible explosion Never modify this unit by removing any of the safety guards or bypassing any of the safety switches Make sure to conduct a trial operation after the installation work a...

Page 3: ...ped in line with industry standard This might for example include the use of solenoid valves trapping and in some instances the use of double risers Once the piping has been welded in place pressurize the system to 1000 kPa with dry Nitrogen and check it for leakage Once piping is sound pull a vacuum simultaneously from the high and low sides of the compressor down to 10 micron or better The syste...

Page 4: ...oor fans with separate outputs to control the star delta operating mode of the outdoor fans This has resulted in a highly integrated design utilising fewer components improving reliability Features include High performance FLASH memory Built in continuous self checking ensures controller is running correctly and will reset the system if an error is detected Low cost thermistor sensor inputs for de...

Page 5: ... up button while the controller is displaying any one of it s idle screens The table below outlines normal vs speed up times Normal time Speed Up Time Description 1 second 1 second Time to wait before reporting a new stable RAHP change 5 minutes 15 seconds Minimum ODF run time before a STAR DELTA change is permitted 5 minutes 1 minute Compressor anti cycle time 10 seconds 10 seconds Defrost sensor...

Page 6: ...utton is released Stage 1 compressor 1 runtime hours is displayed Press TRIPSTEP to clear this compressor s runtime hour count if needed Now press the SETUP button again Stage 1 compressor 2 runtime hour is displayed Pressing the SETUP button again brings up Stage 2 compressor 1 runtime pressing SETUP one more time brings up Stage 2 compressor 2 Again press TRIPSTEP to clear each compressor s runt...

Page 7: ... offending compressor Note that with tandem compressor arrangements because of common pipework between the compressors in a tandem arrangement an HP or LP fault will automatically shut down both compressors Press the SETUP button again The RAHP sensor window is displayed providing control of Outdoor Fan speed Press TRIPSTEP to toggle between Not Fitted and Fitted Not Fitted means the Outdoor fan r...

Page 8: ...em s by selecting Y pressing the TRIP VIEW button or abandoning the changes by selecting N pressing the TRIP STEP button and returning to the idle screen A collection of other readings are available on the dashboard screen The dashboard can only be activated while one of the idle screens is visible Press and hold the TRIPSTEP button to see the dashboard Each press and hold of TRIPSTEP will display...

Page 9: ...y the whole screen If any of these errors occur neither stage will be able to run The following errors are possible Mains Phase Fault The mains phase error input has triggered Indoor Fan Overload The indoor fan is in overload Indoor Fan Fault Reset IDF call The indoor fan had been in overload but isn t any longer The system is now waiting for the indoor fan call to clear to reset the fault and per...

Page 10: ...2 C1 Off C2 Off The compressors and Outdoor Fans are off Indoor fan running The compressor 2 of stage 1 has been in overload but isn t any longer It is now waiting for the call to be removed to reset the fault and permit it to run again S1 C1 Tmr C2 Flt S2 C1 Tmr C2 Tmr The compressors and Outdoor Fans are off Indoor fan is running The compressor 2 of stage 1 has been in overload but isn t any lon...

Page 11: ...n is operational S1 C1 Off C2 Off S2 ODF overload The compressors and Outdoor Fans are off Indoor fan is running Check the Outdoor fan 2 Circuit breaker has not tripped Check continuity of the Door safety switch and ensure that the door of outdoor fan compartment is closed properly where the door switch is fitted Check continuity of the Internal thermal protection of outdoor fan 2 motor to ensure ...

Page 12: ...enu set up for CAA controller and change parameter setting of RAHP sensor as Not Fitted then save that change VIII Service Maintenance To ensure continuing high performance and to minimise the possibility of premature equipment failure periodic maintenance must be performed on the air conditioning equipment The units should be inspected at least once each year by a qualified service person The min...

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Page 37: ...NDOOR FAN Type Multivane Multivane No Off 1 1 INDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin Design Air Flow l s 2250 2750 OUTDOOR FAN Type Sickle Blade Axial Sickle Blade Axial No Off 2 2 OUTDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin REFRIGERATION Refrigerant R410A R410A Control s TXV TXV Charge kg 7 0 7 0 Filter Drier Std Std Accumulator Std Std HP LP Non Adjustable...

Page 38: ...INDOOR FAN Type Multivane Multivane No Off 1 1 INDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin Design Air Flow l s 2250 2750 OUTDOOR FAN Type Sickle Blade Axial Sickle Blade Axial No Off 2 2 OUTDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin REFRIGERATION Refrigerant R410A R410A Control s TXV TXV Charge kg Filter Drier Std Std Accumulator Std Std HP LP Non Adjustable Auto R...

Page 39: ...art INDOOR FAN Type Multivane Multivane No Off 1 1 INDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin Design Air Flow l s 3000 3500 OUTDOOR FAN Type Sickle Blade Axial Sickle Blade Axial No Off 2 2 OUTDOOR COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin REFRIGERATION Refrigerant R410A R410A Control s TXV TXV Charge kg Filter Drier Std Std Accumulator Std Std HP LP Non Adjustable Au...

Page 40: ... DOL Optional Soft Start INDOOR FAN Type Multivane No Off 1 INDOOR COIL Type Cu Tube Al Coated Fin Design Air Flow l s 3000 OUTDOOR FAN Type Sickle Blade Axial No Off 2 OUTDOOR COIL Type Cu Tube Al Coated Fin REFRIGERATION Refrigerant R410A Control s TXV Charge kg Filter Drier Std Accumulator Std HP LP Non Adjustable Auto Reset ELECTRICAL Supply Volts Phase Freq 415 3 50 Indoor fan FLA LRA No of P...

Page 41: ... Multivane No Off 2 2 2 2 ID COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin Cu Tube Al Coated Fin Cu Tube Al Coated Fin Design Air Flow l s 4500 5000 5750 6000 OD FAN Type Sickle Blade Axial Sickle Blade Axial Sickle Blade Axial Sickle Blade Axial No Off 2 2 2 2 OD COIL Type Cu Tube Al Coated Fin Cu Tube Al Coated Fin Cu Tube Al Coated Fin Cu Tube Al Coated Fin REFRIGERATION Refrigerant R41...

Page 42: ...rheat K Red White Blue Red White Blue Red White Blue Red White Blue Volts Amps Watts VA P Factor Red White Blue Red White Blue Red White Blue Red White Blue Volts Amps Watts VA P Factor RPM Red White Blue Red White Blue Red White Blue Red White Blue Volts Amps Watts VA P Factor RPM Unit Model Unit ser no Refrigerant type Air measurements Refrigerant Charge System indoor coil airflow Notes Refriger...

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