COMFORT-AIRE AMC 25 Installation And Maintenance Manual Download Page 1

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Wall Mount Split Units

AMW/AMC 25, 30, 45 &60

AITONS'

AMW / AMC SERIES

Installation, Operation

And Maintenance Manual

Please read this manual before
installing and operating the unit

CONTENTS

INSTALLATION INSTRUCTIONS

Tools / Supplies

Safety considerations

Selection of location

Recommended height and length

Installation Method

Refrigerant piping & drainage

Electrical wiring

OPERATING INSTRUCTIONS

Operating tips

Product description

Auxiliary control

Remote control operation

Operating instructions

Care and maintenance

Trouble shooting

Summary of Contents for AMC 25

Page 1: ...ating the unit CONTENTS INSTALLATION INSTRUCTIONS Tools Supplies Safety considerations Selection of location Recommended height and length Installation Method Refrigerant piping drainage Electrical wiring OPERATING INSTRUCTIONS Operating tips Product description Auxiliary control Remote control operation Operating instructions Care and maintenance Trouble shooting ...

Page 2: ... due to high refrigerant pressure and electrical components inside the unit Only fully trained qualified and certified service personnel should install repair and service the air conditioner While working on the air conditioner all precautions in the literature tags and labels attached to the unit and all other general safety precautions should be carefully observed Please follow all safety codes ...

Page 3: ...ng enough to support the weight of the unit and also prevent any vibration during operation of the unit Figure on the right shows the spacing to the nearest wall OUTDOOR UNIT The condensing unit should be located as close as possible to the fan coil The air inlet shall be located at least 4 from the wall or other obstruction for unrestricted airflow The air outlet shall be located so as to direct ...

Page 4: ...to 50 ft by charging the system with additional refrigerant However cooling and heating capacity will be reduced Piping length feet Notes Cooling capacity 18 500 to 36 000 Btuh Add charge Not needed Needed 2 Installation not recom mended Unit Piping Diameter Recommended height difference is 23 ft or less 2 Additional charge volume piping length 33 ft x 0 2 oz Evacuate refrigerant lines An installa...

Page 5: ...aking sure that it is parallel to the ground This can be done by aligning the marking off line with a thread and weight as shown in figure on the right This is to ensure that the condensate water does not overflow from the drain pan Mount the installation plate with the 4 screws provided If the unit is to be mounted on a concrete wall consider using anchor bolts instead of the screws provided ...

Page 6: ...it MOUNTING FAN COIL UNIT Hook the fan coil onto the upper portion of the installation plate ensuring that it sits securely on the installation plate Press the lower portion of the unit against the installation plate until the hooks at the back of the unit are securely engaged with the installation plate MOUNTING CONDENSING UNIT Do not place the condensing unit directly on the ground It should pre...

Page 7: ...havings getting inside the pipe This also makes proper flaring impossible Use a reamer to remove burrs from cut edges Hold the pipe ends upside down to prevent metal powder from getting into the pipe Note As the pipe is round cutting should be performed on a straight section Also do not apply too much force with the blade of the pipe cutter For connection to flare settings the pipe has to be flare...

Page 8: ...vent them from collapsing See picture on the right Use a pipe bending tool to bend pipe wider than 1 2 in diameter a DRY Never allow any water to get inside the piping b CLEAN Never allow dirt sand or other foreign particles to get inside the piping Cap Keep cap attached until immediately before making piping connections Cap Keep cap attached until immediately before making piping connections FLAR...

Page 9: ...are nut with your hand With a torque wrench tighten the flare nut fully Condensing Units Align the center of the flare nut of the liquid line to the liquid valve Tighten the flare nut first with your hand and then fully tighten with the torque wrench Align the center of the flare nut of the gas line to the gas valve Tighten the flare nut with your hand After purging tighten it fully with a torque ...

Page 10: ...fe The procedure is as follows Confirm that all piping connections have been completed correctly Connect a gauge manifold and a vacuum pump as shown in the diagram Completely open the low pressure valve of the gauge manifold and completely close the high pressure valve Start the vacuum pump and allow it to operate until the pressure is at 29 of vacuum This will take about 15 minutes or more With t...

Page 11: ...oid condensation from dripping Drain pipe may be required for heat pump unit and should be connected if necessary SLIME Water leakage due to a clogged drain hose can be caused by accumulated dirt in the drain pan or by a buildup of slime inside the drain hose Slime is caused by the following factors Temperature 25 C 77 F to 30 C 86 F Accumulated water Nutrients components of perspiration and dust ...

Page 12: ...ction Finally inspect all the electrical connections including the factory wiring to ensure that all connections are tight EXTERNAL FINISHING OF PIPING After completing the installation of the refrigerant piping drain pipe and wiring bind them together into a bundle with tape at 4 inches to 8 inches 100 to 200 mm intervals Start from the bottom and work to the top Keep the drainpipe at the bottom ...

Page 13: ...formance and increases power consumption Keep the indoor and outdoor coils clean to maintain high heat transfer capability Periodically inspect the coils and call a professional serviceman to clean the coils with special cleaning chemicals if necessary Reduce heat gain through windows by stopping direct sunlight with curtains or blinds Awnings are also helpful by creating shade around the windows ...

Page 14: ...the air conditioner is in working condition Remote In this position the air conditioner is controlled by the remote controller Auto Use to by pass the remote controller The air conditioner will operate automatically when power is supplied The remote controller is ineffective in this position Red indicating lamp Red light will be lit when electrical power is supplied to the air conditioner Green in...

Page 15: ...REMOTE CONTROL OPERATION CONTROLS AND INDICATORS Figure below illustrates the various controls and indicators of the LCD wireless remote control MODEL AMW 25 30 ...

Page 16: ...MODEL AMW 45 60 ...

Page 17: ...troller at the fan coil and press ON OFF button Select the operational mode Press either Cool Dry or Vent button to select the desired mode Set temperature Press or button to set desired temperature Select fan speed Press Fan button to select desired fan speed Set airflow position Press Vane button to adjust airflow direction or to set vane to auto swing Set Timer If required press Time button to ...

Page 18: ...set temperature Cooling will be affected when room temperature is above 82 F 28 C COOLING When activated the fan will automatically operate at high speed for 5 minutes before operating at the set speed During cooling if the humidity in the room is very high RH above 80 condensation may occur at the air discharge louver It is advisable to operate the fan at high speed under this condition DRYING Wh...

Page 19: ...dirty filter Clean the filters at least twice a month and more if the environment is dusty CLEAN THE UNIT Clean with a wet soft cloth Do not wash the air conditioner Never use the following to clean the air conditioner Hot water above 104 F 40 C Volatile substances like benzene gasoline thinner and other solvents END OF SEASON When the air conditioner is to stop operating for prolonged periods for...

Page 20: ...supply air may also have the same smell This usually happens in places where heavy cigarette smoke exists in the air BEFORE CALLING FOR SERVICE PLEASE CHECK THE FOLLOWING Air conditioner does not operate Check the thermostat setting to ensure that it is not set above the room temperature Check the circuit breaker Check the power supply to ensure that it is not interrupted Cooling is insufficient C...

Page 21: ...AMW AMC 25 ...

Page 22: ...AMW AMC 30 ...

Page 23: ...AMW AMC 45 60 ...

Page 24: ...SERVICE NOTES AITONS EQUIPMENT INC Guelph Ontario www aitons com e mail info aitons com Printed in Canada 03 03 ...

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COMFORT-AIRE AMC 25, Installation And Maintenance Manual

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