Table of Contents
Summary of Contents for ECR International Iverter
- Page 1 Presents Wall Air Handler Ductless Split System Heat Pumps Installation, Operation & Maintenance Manual ECR International, Inc. 2201 Dwyer Avenue, Utica NY 13501 Phone: 800.325.5479 Web: enviromaster.com PN 615000156 REV A, 01/04/2016...
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Page 2: Table Of Contents
Table of Contents Installation Manual 0 Safety Precautions ........5 1 Accessories ..........8 ..Installation Summary - Indoor Unit ..........12 3 Unit Parts ..13 Indoor Unit Installation 1. Select installation location ......13 2. Attach mounting plate to wall ....14 3. - Page 3 Refrigerant Piping Connection ..23 A. Note on Pipe Length .............. 23 B. Connection Instructions –Refrigerant Piping ....23 1. Cut pipe ................23 2. Remove burrs ..............24 3. Flare pipe ends ..............4. Connect pipes ..............25 ....... 27 Air Evacuation 1.
- Page 4 Owner's Manual - Table of Contents Unit Specifications and Features ..32 SAFETY FIRST Manual Operation (Without Remote) ........37 Care and Maintenance ..............Troubleshooting ................... 40...
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Page 5: Safety Precautions
Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to failure to follow these instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. This symbol indicates that failure to follow these instructions may cause death or serious injury. - Page 6 WARNING For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. You must use an independent circuit to supply power. Do not connect other appliances to the same service. Insufficient electrical capacity or defects in electrical work can cause electrical shock or fire.
- Page 7 WARNINGS FOR PRODUCT USE • If an abnormal situation arises (like a burning smell), immediately turn off the unit and pull the power plug. Call your dealer for instructions to avoid electric shock, fire or injury. • Do not insert fingers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be rotating at high speeds.
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Page 8: Accessories
Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to fail. Name Shape Quantity... - Page 9 Name Shape Quantity Parts you must purchase. Connecting pipe 6.35( 1/4 i n) Φ Liquid side Consult the dealer about assembly 9.52( 3/8in) the pipe size. Φ 9.52( 3/8in) Φ 12.7( 1/2in) Φ Gas side 16( 5/8in) Φ 9 Page...
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Page 10: Installation Summary - Indoor Unit
Installation Summary - Indoor Unit 15cm (5.9in) 12cm 12cm (4.75in) (4.75in) 2.3m (90.55in) Select Installation Location Determine Wall Hole Position (Page 14) (Page 15) Attach Mounting Plate Drill Wall Hole (Page 15) (Page 15) 10 Page... - Page 11 Connect Piping Connect Wiring Prepare Drain Hose (Page 23) (Page 19) (Page 16) Wrap Piping and Cable (Page 20) STEP Mount Indoor Unit (Page 20) 11 Page...
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Page 12: Unit Parts
Unit Parts Wall Mounting Plate Front Panel Power Cable (Some Units) Louver Drainage Pipe Functional Filter (On Front of Main Filter - Some Units) Signal Cable Refrigerant Piping Remote Control (Some Units) Remote Holder Outdoor Unit Power Cable (Some Units) Fig. -
Page 13: Indoor Unit Installation
Indoor Unit Installation DO NOT install unit in the following Installation Instructions – Indoor locations: Unit Near any source of heat, steam, or combustible gas PRIOR TO INSTALLATION Near flammable items such as curtains or Before installing the indoor unit, refer to the clothing label on the product box to make sure that the model number of the indoor unit matches the... -
Page 14: Attach Mounting Plate To Wall
Refer to the following diagram to ensure proper distance from walls and ceiling: 15cm (5.9in) or more 12cm (4.75in) 12cm (4.75in) or more or more Fig. 4.1 2.3m (90.55in) or more Step 2: Attach mounting plate to wall Step 3: Drill wall hole for connective piping The mounting plate is the device on which you You must drill a hole in the wall for refrigerant will mount the indoor unit. - Page 15 W all 179mm (7.05in) Indoor Outdoor 101mm (4in) 136mm (5.35in) Indoor unit outline Left rear wall Right rear wall hole 65mm (2.5in) 722mm (28.45in) hole 65mm (2.5in) Model A 232mm (9.15in) 192mm (7.55in) 128mm (5.05in) Indoor unit outline Fig.3.2 Fig. 4.2 Left rear wall Right rear wall hole 65mm (2.5in)
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Page 16: Prepare Refrigerant Piping
Step 4: Prepare refrigerant piping 3. Use scissors to cut down the length of the insulating sleeve to reveal about 15cm (6in) The refrigerant piping is inside an insulating of the refrigerant piping. This serves two sleeve attached to the back of the unit. You must purposes: prepare the piping before passing it through the hole in the wall. -
Page 17: Connect Drain Hose
Step 5: Connect drain hose PLUG THE UNUSED DRAIN HOLE By default, the drain hose is attached to the left- To prevent unwanted leaks you must plug hand side of unit (when you’re facing the back the unused drain hole with the rubber plug of the unit). - Page 18 BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS 1. All wiring must comply with local and national electrical codes, and must be installed by a licensed electrician. 2. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units. 3.
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Page 19: Connect Signal Cable
Step 6: Connect signal cable TAKE NOTE OF FUSE SPECIFICATIONS The signal cable enables communication between The air conditioner’ s circuit board (PCB) is the indoor and outdoor units. You must first designed with a fuse to provide overcurrent choose the right cable size before preparing it for protection. -
Page 20: Wrap Piping And Cables
6. Feed the signal wire through this slot, from DO NOT INTERTWINE SIGNAL CABLE WITH the back of the unit to the front. OTHER WIRES 7. Facing the front of the unit, match the wire While bundling these items together, do not colors with the labels on the terminal block, intertwine or cross the signal cable with any connect the u-lug and and firmly screw each... - Page 21 3. Connect drain hose and refrigerant piping If refrigerant piping is already embedded in (refer to Refrigerant Piping Connection section the wall, do the following: of this manual for instructions). 1. Hook the top of the indoor unit on the upper 4.
- Page 22 If you will install the unit on a wall-mounted bracket , do the following: CAUTION Before installing a wall-mounted unit, make sure that the wall is made of solid brick, concrete, or of similarly strong material. The wall must be able to support at least four times the weight of the unit.
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Page 23: Refrigerant Piping Connection
Refrigerant Piping Connection Note on Pipe Length The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 5 meters (16.5ft). Refer to the table below for specifications on the maximum length and drop height of piping. Maximum Length and Drop Height of Refrigerant Piping per Unit Model Max. -
Page 24: Remove Burrs
DO NOT DEFORM PIPE WHILE CUTTING Flare nut Be extra careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating efficiency of the unit. Copper pipe Step 2: Remove burrs Burrs can affect the air-tight seal of refrigerant piping connection. -
Page 25: Connect Pipes
6. Place flaring tool onto the form. Instructions for Connecting Piping to 7. Turn the handle of the flaring tool clockwise Indoor Unit until the pipe is fully flared. 1. Align the center of the two pipes that you will 8. - Page 26 Instructions for Connecting Piping to USE SPANNE R TO GRIP MAIN Outdoor Unit BOD Y OF VALVE Torque from tightening the flare nut can snap 1. Unscrew the cover from the packed valve on off other parts of valve. the side of the outdoor unit. (See Fig. 5.9 ) Valve cover Fig.
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Page 27: Air Evacuation
Air Evacuation Preparations and Precautions Evacuation Instructions Air and foreign matter in the refrigerant circuit Before using the manifold gauge and vacuum can cause abnormal rises in pressure, which pump, read their operation manuals to familiarize can damage the air conditioner, reduce its yourself with how to use them properly. -
Page 28: Note On Adding Refrigerant
Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed. Flare nut Turn on the vacuum pump to evacuate the system. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-10 Pa). - Page 29 Electrical and Gas Leak Checks WARNING – RISK OF Electrical Safety Checks ELECTRIC SHOCK After installation, confirm that all electrical wiring ALL WIRING MUST COMPLY WITH LOCAL is installed in accordance with local and national AND NATIONAL ELECTRICAL CODES, regulations, and according to the Installation AND MUST BE INSTALLED BY A LICENSED Manual.
- Page 30 Test Run Before Test Run List of Checks to Perform PASS/FAIL No electrical leakage Only perform test run after you have completed the following steps: Unit is properly grounded • Electrical Safety Checks – Confirm that the unit’ s electrical system is safe and All electrical terminals operating properly properly covered...
- Page 31 DOUBLE-CHECK PIPE CONNECTIONS During operation, the pressure of the refrigerant circuit will increase. This may reveal leaks that were not present during your initial leak check. Take time during the Test Run to double-check that all refrigerant pipe connection points do not have leaks. Refer to Gas Leak Check section for instructions.
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Page 32: Unit Specifications And Features
Unit Specifications and Features Unit Parts Power Cable (Some Units Front Panel Louver Remote Control Functional Filter (On Front of Main Filter - Some Units) Remote Holder (Some Units) Display window “ ” for 3 seconds when: • TIMER ON is set •... -
Page 33: Safety
Achieving Optimal Performance Optimal performance for the COOL, HEAT, and DRY modes can be achieved in the following temperature ranges. When your air conditioner is used outside of these ranges, certain safety protection features will activate and cause the unit to perform less than optimally. Inverter Split Type COOL mode HEAT mode... - Page 34 • Wi-Fi Control (some units) For a detailed explanation of each function, Wi-Fi control allows you to control your air refer to the Remote Control Manual. conditioner using your mobile phone and a Wi-Fi connection. Other Features • Louver Angle Memory(some units) •...
- Page 35 • Setting Angle of Air Flow Setting vertical angle of air flow While the unit is on, use the SWING /DIRECT button to set the direction (vertical angle) of airflow. 1. Press the SWING /DIRECT button once to activate the louver. Each time you press the button, it will adjust the louver by 6°.
- Page 36 • Sleep Operation The SLEEP function is used to decrease energy use while you sleep (and don’t need the same temperature settings to stay comfortable). This function can only be activated via remote control. Press the SLEEP button when you are ready to go to sleep.
- Page 37 Manual Operation (Without Remote) How to operate your unit without CAUTION the remote control The manual button is intended for testing In the event that your remote control fails to purposes and emergency operation only. Please work, your unit can be operated manually with do not use this function unless the remote is the MANUAL CONTROL button located on lost and it is absolutely necessary.
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Page 38: Care And Maintenance
Care and Maintenance 6. Rinse the filter with fresh water, then shake Cleaning Your Indoor Unit off excess water. BEFORE CLEANING OR 7. Dry it in a cool, dry place, and refrain from MAINTENANCE exposing it to direct sunlight. 8. When dry, re-clip the air freshening filter to ALWAYS TURN OFF YOUR AIR CONDITIONER SYSTEM AND DISCONNECT ITS POWER SUPPLY the larger filter, then slide it back into the... - Page 39 Maintenance – CAUTION Long Periods of Non-Use • Before changing the filter or cleaning, If you plan not to use your air conditioner for an turn off the unit and disconnect its power extended period of time, do the following: supply.
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Page 40: Troubleshooting
Troubleshooting S AFETY PRECAUTIONS If ANY of the following conditions occurs, turn off your unit immediately! • The power cord is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •... - Page 41 Issue Possible Causes A rushing air sound may occur when the louver resets its position. The indoor unit makes noises A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’ s plastic parts.
- Page 42 Troubleshooting When troubles occur, please check the following points before contacting a repair company. Problem Possible Causes Solution Temperature setting may be higher than ambient Lower the temperature setting room temperature The heat exchanger on the indoor or outdoor unit is Clean the affected heat exchanger dirty Remove the filter and clean it...
- Page 43 Problem Possible Causes Solution Wait for the power to be Power failure restored The power is turned off Turn on the power The fuse is burned out Replace the fuse The unit is not working Remote control batteries are Replace batteries dead The Unit’...
- Page 44 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. CS368U-AB 16122000002334 20150820...
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