ACPro AULD36W2/A-D, Owner'S Manual

Page 1: ...rs DC Inverter X Series for R410A Unitary Split Air Conditioner Models Outdoor Unit ULD36W2 A D U ULD60W2 A D U Thank you for choosing AC Pro air conditioners Please read this Owner s Manual carefully before operation and retain it for future reference ...

Page 2: ...lect the model according to actual using environment otherwise it may impact the using convenience 4 This product has gone through strict inspection and operational test before leaving the factory In order to avoid damage due to improper disassembly and inspection which may impact the normal operation of unit please do not disassemble the unit by yourself You can contact AC Pro Technical Support i...

Page 3: ...s when personal injury or property loss is caused by the following reasons 1 Damage the product due to improper use or misuse of the product 2 Alter change maintain or use the product with other equipment without abiding by the instruction manual of manufacturer 3 After verification the defect of product is directly caused by corrosive gas 4 After verification defects are due to improper operation...

Page 4: ...3 Installation 5 3 1 Installation Preparation 5 3 2 Unit Installation 11 3 3 Electrical Installation 17 3 4 Check after Installation 22 3 5 Test Running 23 4 Maintenance 27 4 1 Failures Not Caused by Faults of The AC 27 4 2 Error Code 29 4 3 Unit Maintenance 30 4 4 Notice on Maintenance 31 4 5 After Sales Services 36 3 6 Functions 24 ...

Page 5: ...al 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 National Electrical Co...

Page 6: ...on materials including nails metal or wooden parts and plastic packing material must be treated in a safe way 1 Please install according to this instruction manual Installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only 2 Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate fr...

Page 7: ... not operate the air conditioner with wet hands Do not wash or sprinkle water on the air conditioner otherwise malfunction or electric shock will occur 15 Do not dry the filter with naked flame or an air blower otherwise the filter will be out of shape 16 If the unit is to be installed in a small space please adopt protective measures to prevent the concentration of refrigerant from exceeding the ...

Page 8: ...ct the outdoor unit from small animals because they may damage the electric components and cause malfunction of the air conditioner 1 If thermostat is to be used it should be connected first before powering up the unit otherwise the thermostat may not be able to use 2 Only use soft dry cloth or slightly wet cloth with neutral detergent to clean the casing of the air conditioner 3 Before operating ...

Page 9: ...nect the unit with the liquid pipe 2 Throw over pipe 1 Connect the unit with the gas pipe 3 Installation 3 1 Installation Preparation 3 1 1 Selection of Installation Location The unit must be installed where strong enough to withstand the weight of the unit and fixed securely otherwise the unit would topple or fall off Install the air conditioner at a place where the inclination is less than 5 Do ...

Page 10: ...ted place with no obstacles nearby that may obstruct the air inlet and outlet 4 The installation location should be able to withstand the weight and vibration of outdoor unit and allow the installation to be carried out safely 5 Avoid installing at a place with leakage of inflammable gas oil smoke or corrosive gas 6 Keep it away from strong wind because strong wind will affect the outdoor fan and ...

Page 11: ...ULD60W2 A D U Unit inch Dimensions Model A B C D E G AULD60W2 A D U 37 16 1 8 56 3 8 24 7 8 13 7 8 12 5 8 3 1 3 Diagram of Unit Installation Space and Location 1 Diagram of installation space and location for outdoor unit Notice for best performance of the outdoor unit make sure its installation space conforms to the following installation dimensions ...

Page 12: ...outdoor unit is to be installed A E Hb Hd H Inches a b c d e B 4 A B C 12 4 4 B E 4 40 A B C E 12 6 6 40 D 40 D E 40 40 B D Hb Hd Hd H 4 40 Hb Hd Hd H 4 40 B D E Hb Hd Hb 1 2H 10 79 40 1 2H Hb H 10 79 40 Hb H Prohibited Hb Hd Hd 1 2H 4 79 40 1 2H Hd H 8 79 40 Hd H Prohibited ...

Page 13: ...re to be installed side by side Unit mm A E Hb Hd H mm a b c d e A B C 12 12 40 A B C E 12 12 40 40 D 79 D E 79 40 B D Hb Hd Hd H 12 79 Hb Hd Hd 1 2H 10 79 1 2H Hd H 12 99 B D E Hb Hd Hb 1 2H 12 79 40 1 2H Hb H 12 99 40 Hb H Prohibited Hb Hd Hd 1 2H 10 99 40 1 2H Hd H 12 99 40 Hd H Prohibited 16 16 ...

Page 14: ...Split Air Conditioner 10 3 When outdoor units are installed in rows Unit Inch Hb H Inch Hb 1 2H b 10 1 2H Hb H b 12 Hb H Prohibited 4 When outdoor units are installed one above another Unit Inch 8 157 1 2 79 8 16 16 24 79 178 16 79 12 12 20 ...

Page 15: ...ent on Connection Pipe Installation method Connect the connection pipes first to the unit When bending a connection pipe be careful not to damage the pipe Do not over tighten the screw nut otherwise leakage will occur Besides the outside of connection pipe should be added with a layer of insulating cotton to protect it from mechanical damage during installation maintenance and transportation Item ...

Page 16: ...tion pipe 4 Check whether the flaring part has cracked See the figure below 3 2 2 3 Pipe Bending 1 The pipes are shaped by your hands Be careful not to collapse them 2 Do not bend the pipes in an angle more than 90 3 If the pipe is repeatedly bent or extended it will become hard and difficult to be bent or extended So do not bend or extend the pipe for more than 3 times 4 When bending the pipe do ...

Page 17: ...then screw it up for 3 4 circles Confirm the tightening torque by referring to the following table If the screw nut is over twisted it may be damaged and cause leakage Check whether gas leakage occurs to the connection pipe and then apply thermal insulation as shown below Wind sponge around the joint of gas pipe and heat insulation sheath of gas collecting pipe Be sure to connect gas pipe after li...

Page 18: ...ock off hole of outdoor unit to prevent small animals from entering See the following figures 3 2 3 Connection Pipe Vacuum Pumping and Leak Detection 3 2 3 1 Vacuum Pumping Make sure the outlet of vacuum pump is away from fire source and is well ventilated Before vacuum pumping make sure the unit cut off valves are closed When vacuum pumping both the liquid pipe and the gas pipe must be pumped 1 R...

Page 19: ...f the pressure gauge at the low pressure side of the manifold valve assembly reads 0 1MPa if not it indicates there is leak somewhere Then close the switch fully and then stop the vacuum pump 6 Wait for 10min to see if the system pressure can remain unchanged During this time the reading of the pressure gauge at the low pressure side can not be larger than 0 005MPa 7 Slightly open the liquid valve...

Page 20: ...nnecessary charge pipe length Additional refrigerant amount for extra pipe AULD36W2 A D U AULD60W2 A D U 24 6 31 2 32 oz per Ft 3 2 5 Installation of Drain Pipe 3 2 5 1 Outdoor Side Drainage Pipe 1 If the outdoor unit is underneath the indoor unit arrange the pipeline according to the following diagram 1 Drain hose should be placed on the ground and its end should not be immersed into water The wh...

Page 21: ...onducted by professionals in compliance with local laws and regulations and the instructions in this manual Never extend the power cords The electric circuit must be equipped with a circuit breaker and air switch both with sufficient capacity The unit s operating power must be within the nominal range stated in the instruction manual Use a specialized power circuit for the air conditioner Do not d...

Page 22: ...ough Damaged power cords or other wires must be replaced by specialized wires Wiring work must be done according to national wiring rules and regulations 3 3 2 Electrical Parameters Model Power supply Fuse capacity A Maximum overcurrent protection A Minimum circuit ampacity A AULD36W2 A D U 208 230V 1Ph 60Hz 35 35 24 AULD60W2 A D U 208 230V 1Ph 60Hz 45 45 35 3 3 3 Connection of Power Cords and The...

Page 23: ...river to replace it and tighten up the terminal screw as shown below Unit mm inch 3 How to connect the the thermostat wires and power cords Lead the thermostat wires and power cords through the insulation tube as shown in the following figure Before working please check whether the units are powered on Wrong wire connection may burn the electrical components Connect the wires firmly to the wiring ...

Page 24: ...Do not bundle up the thermostat wires or lay them side by side otherwise errors will occur High and low voltage wires should be secured separately Use screws to tighten up the thermostat wires and power cords of the units on the terminal board Wrong connection may lead to fire hazard If the thermostat wires of the units and power cords are not correctly connected the air conditioner may get damage...

Page 25: ...umption When connecting the power cords make sure the phase sequence of the power supply matches with the corresponding terminals otherwise the compressor will get reversed and operate abnormally Remove the big handle front panel of the outdoor unit and insert one end of the thermostat cord and the power cord to the terminal board Single phase AULD36W2 A D U ...

Page 26: ...tion Check items Possible events due to improper installation Is the main body installed securely The unit may fall down vibrate or produce noise Did you do water leakage test Cooling capacity may become unsatisfactory Is the unit well insulated from heat Condensate water drops may occur Does water drainage go well Condensate water drops may occur ...

Page 27: ...ing amount can t be controlled 3 5 Test Running Preparation before connecting the power 1 Power must not be connected if the installation work is not completed 2 Control circuit is correct and all the wires are firmly connected 3 Cut off valves of the gas pipe and liquid pipe are open 4 The inside of the unit should be clean Take irrelevant objects out if there is any 5 After checking re install t...

Page 28: ...ing example 3 6 2 Set Defrost Mode The second dip switch is selecting the defrost mode The second dip switch is used to change the defrost setting factory default setting is standard defrost Under extremely low environment temperature if the standard defrost cannot have the condenser defrosted completely please set the second dip switch to be strong defrost Under strong defrost the defrosting time...

Page 29: ...y output and ensure reliable operation in a short time so as to meet the user s demand for the indoor temperature to quickly reach the set temperature Energy saving mode is achieved by setting the condensing unit operating mode to operate the air conditioner within a small load range 3 6 4 Set Indoor Fan Speed Set the indoor fan speed through the eight dip switches of the indoor main control board...

Page 30: ...ous functions After switching to 08 short press SW2 or SW3 to enter the refrigerant recovery control mode ON means open OF means close And then short press SW1 to save During debugging if no operation is performed within 10s the debugging mode interface will be exited 3 6 7 Forced Operation Control Press and hold SW1 for about 5s to enter the first level menu of the debugging mode the outdoor unit...

Page 31: ...tch on the circuit breaker Power failure Restart after power is resumed Power plug is loose Re insert the power plug Bad cooling effect Air inlet and outlet of the units have been blocked Clear the obstacles and keep the room for the units well ventilated Improper temperature setting Reset a proper temperature Fan speed is too low Reset a proper fan speed Air flow direction is not right Change the...

Page 32: ...f the unit becomes low There is hissing sound when the unit is started or stopped and a slight hissing sound during and after operation It s the sound of gaseous refrigerant that stops flowing and the sound of drainage system There is a sound of crunching during and after operation Because of temperature change front panel and other components may be swelled up and cause abrasion sound The unit st...

Page 33: ...the following table No Error code Error 1 E1 Compressor high pressure protection 2 E3 Compressor low pressure protection 3 E4 Compressor air discharge high temperature protection 4 F2 Condenser temperature sensor error 5 F3 Outdoor ambient temperature sensor error 6 F4 Discharge temperature sensor error 7 F6 ODU tube temperature sensor error 8 EE ODU memory chip error 9 H4 Overload 10 H5 IPM prote...

Page 34: ...ing please make sure the unit is stopped Cut the circuit breaker and remove the power socket otherwise electric shock may occur Do not wash the air conditioner with water otherwise fire hazard or electric shock may occur When cleaning the filter please be careful of your steps If you need to work high above the ground please be extremely careful 4 3 1 Heat Exchanger of Outdoor Unit Conduct cleanin...

Page 35: ...he manual shall contain specific information for service personnel who shall be instructed to undertake the following when servicing an appliance that employs a flammable refrigerant 4 4 1 1 General Work Area All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out Work in confined spaces shall be avoided The area around the workspace s...

Page 36: ...y resistant to being corroded or are suitably protected against being so corroded 4 4 1 4 Checks to electrical devices Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures If a fault exists that could compromise safety then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with If the fault can...

Page 37: ...lant may inhibit the effectiveness of some types of leak detection equipment Intrinsically safe components do not have to be isolated prior to working on them 4 4 3 Repair to Intrinsically Safe Components Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use Intrinsi...

Page 38: ...ing out this procedure it is essential that the technician is completely familiar with the equipment and all its detail It is recommended good practice that all refrigerants are recovered safely Prior to the task being carried out an oil and refrigerant sample shall be taken in case analysis is required prior to re use of reclaimed refrigerant It is essential that electrical power is available bef...

Page 39: ...e employed Ensure that the correct number of cylinders for holding the total system charge are available All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with pressure relief valve and associated shut off valves in good working order In addition a set of calibrat...

Page 40: ...all be employed to accelerate this process When oil is drained from a system it shall be carried out safely 4 5 After Sales Services Any quality or other issues encountered in the purchased air conditioner please contact the local AC PRO after sales service department ...

Page 41: ...0DWHULDO 6XSSO QF GED 3UR Add 11700 Industry Ave Fontana CA 92337 USA Tel 1 951 360 0630 www acpro com ...