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(MULTI-ZONE
Installation
ComfortStar
CMZ3-24-3Z
CMZ3-30-4Z
CMZ3-48-5Z
CMZ3-55-6Z
CMZ3-62-6Z
CVH3-18-3SH
CVH3-27-4SH
CVH3-36-5SH
CVH3-48-6SH
CVH3-60-6SH
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning unit.
Make sure to save this manual for future
reference.
OUTDOOR UNIT AIR CONDITIONER )
®
w
Manual
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Summary of Contents for ComfortStar CMZ3-24-3Z
- Page 1 (MULTI-ZONE OUTDOOR UNIT AIR CONDITIONER ) Installation Manual ® ComfortStar CMZ3-24-3Z CMZ3-30-4Z CMZ3-48-5Z CMZ3-55-6Z CMZ3-62-6Z CVH3-18-3SH CVH3-27-4SH CVH3-36-5SH CVH3-48-6SH CVH3-60-6SH IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future...
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Page 3: Table Of Contents
TABLE OF CONTENTS --------------------------------------------------------------------------------------------------------------------------------------------------------------· SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SPECI Fl CA Tl O NS -------------------------------------------------------------------------------------------------------------------------------------------------------------------- PRODUCT OVERVIEW ----------------------------------------------------------------------------------------------------------------------------------------------- PRODUCTION INST ALLA Tl ON ---------------------------------------------------------------------------------------------------------------------------- REFRIGERANT Pl Pl NG CONNECTION ----------------------------------------------------------------------------------------------------------------------------------------------------------------- WI RI NG PRECAUTIONS -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Al R EV ACUA Tl ON ------------------------------------------------------------------------------------------------------------------------------------ NOTE ON ADDI NG REFRIGERANT ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------... -
Page 4: Safety Precautions
Safety Precautions It is really important you read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. Explanation of Symbols WARNING This symbol indicates the possibility of personal injury or loss of... - Page 5 WARNINGS FOR PRODUCT INSTALLATION • Turn off the air condtioner and disconnect the power before performing any installation or repairing. Failure to do so can cause electric shock. • Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire.
- Page 6 For R454B refrigerant charge amount and minimum room area: Requirments for room area limits using R454B refrigerant in unventilated areas: Our multiple systems are all confirmed to meet the requirment of Enhanced Tightness Refrigerating Systems. Units installed at a height not exceeding 1.8m above the ground are usually equipped with refrigerant sensor, which minimum room area (Amin) of operating or storage should be determined according to refrigerant charge (me) or releasable charge (mre1) of system, as specified in the...
- Page 7 Method 1: Release refrigerant while the machine is powered on. Method 2: Remove the coil of safety shut-off valve before power-off. Method 3: Manually open the safety shut-off valve using a magnetic ring. Releasable charge Outdoor unit Model limited system CMZ3-24-3Z CMZ3-30-4Z CMZ3-48-5Z CMZ3-55-6Z CMZ3-62-6Z CVH3-18-3SH CVH3-27-4SH...
- Page 8 Releasable charge Cm rel ) of system should be calculated based on internal volume of all indoor units and connecting pipes. Each indoor units correspond to a releasable charge as following table, add them up based on the combination of indoor units, and then add to the basic releasable charge of 204g, you will get the total releasable charge of system.
- Page 9 1 . lnstallation(where refrigerant pipes are allowed) - Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification.
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Page 10: Information Servicing
shall be the high side design pressure, unless the high side of the system can not be isolated from the low side of the system in which case the entire system shall be pressure tested to the low side design pressure. b. - Page 11 6. No ignition sources No person carrying out work in relation to a REFRIGERATING SYSTEM which involves exposing any pipe work shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during which refrigerant can possibly be released to the surrounding space.
- Page 12 12. Cabling Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.
- Page 13 15. Charging procedures In addition to conventional charging procedures, the following requirements shall be followed: Works shall be undertaken with appropriate tools only (In case of uncertainty, • please consult the manufacturer of the tools for use with flammable refrigerants) Ensure that contamination of di.fferent refrigerants does not occur when using •...
- Page 14 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. Empty recovery cylinders are evacuated and, if possible.cooled before recovery occurs. The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of the flammable refrigerant.
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Page 15: Speci Fl Ca Tl O Ns
S PE CI F I C A T I O N S er o t s t a t ca n e us e onn e c t e t o g e t o m p r ess o r s t o p t a r t e q uenc y n or m o re... -
Page 16: Product Overview
PRODUCT OVERVIEW (A ) Wall-mounted type CB ) D u ct / Ceiling type One-six -one-six © -one-five -one-four Indoor unit Panel frame Rear air intake grille Front panel 4. Air purifying filter & Air filter(behind) Indoor unit Horizontal louver 1. - Page 17 (C) Floor and standing ( D ) Compact four-way (E) One-way cassette type typ e (Co nsole) cassette type － 二 二 万 One-fi One-thr ＠ Indoor unit Indoor unit Indoor unit 1.Air flow louver (at air outlet) 1.Drain pump (drain water 1.Air inlet (with air filter in it) 2.Air inlet from indoor unit)
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Page 18: Installation Diagram
Installation Diagram 厂 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 ·· 一 · 二： ， 二 · · :-.::. － ． ． ． 二 ” . -..:. . - ， 二 ” . ， 二 , 亡 ::. - ． ． ． 二 ” . - .:- ， 二 ＇ ． ， 二 ' 7::. - ． ．． 二 ” . － .::- ．． 二 ． ， 二 ' - . ：：？ 二 · · · - .::. － ． ．． 二 ': -..:. . - ， 二 ” . ， 二':- ::. － ． ．． 二 ” . － .:: - ， 二 ” : 二 - ， 二 ” . ， 二' 7::. － · ·· 一 · ............... -
Page 19: Production Inst Alla Tl On
PRODUCTION INSTALLATION 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. The items are not included with the air conditioner must be purchased separately. -
Page 20: Installation Summary
INSTALLATION SUMMARY II 11 Install the outdoor unit Connect the refrigerant Connect the wires 。 pipes 。 Perform a test run Evacuate the refrigeration system ） Install Outdoor Unit 匾 Select installation location NOTE : PRIOR TO INSTALLATION Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. -
Page 21: Special Considerations For Extreme Weather
= •,. - • - • NOT E InstaI| the unit byfo||owing |oca| codes and reguIations , there may be differ s|ight|y between different regions. 心 CAU T I ON : SPECIAL CONSIDERATIONS FOR EXTREME WEATHER If the unit is exposed to heavy wind: Install unit so that air outlet fan is at a 90 °... - Page 22 卢 Base pan hole of 二 outdoor unit 三 』 IN COLD CLIMATES In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage.If water drains too slowly, it can freeze in the hose and flood ）...
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Page 23: Notes On Drilling Hole In Wall
－ 一 Rows of series installation The relations between H, A and L are as follows. 37.2inx31.9inx16.14in 26.5in 15.87in (946mmx810mmx410mm) (403mm) (673mm) 37.5inx52.5inx16.34in 24.96in 15.91n L:,; 1/2H 9.8in(250mm) or more (952mmx1333mmx415mm) (634mm) (404mm) L�H 26.lin 13.9in 35.0inx 26.Sinx 13.Sin 1/2H < L:,; H ll.8in(300mm) or more (663mm) (354mm) -
Page 24: Refrigerant Pl Pl Ng Connection
REFRIGERANT PIPING CONNECTION �NOTE: N O TE: For quick-connect models, please refer to the internal machine manual for the installation method of the connecting pipe. The external machine manual does not repeat the instructions. When connecting refrigerant piping, DO NOT let substances or gases other than the specified refrigerant enter the unit. - Page 25 • Clamp flare from on the end of the pipe. The end of the pipe must extend beyond the flare form. Flare form Pipe • Place flaring tool onto the form. Torque wrench • Turn the handle of the flaring tool clockwise until the pipe is fully flared.
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Page 26: Wiring Precautions
WIRING PRECAUTIONS WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. • All wiring must comply with local and national • Do not let wires touch or rest against electrical codes, regulations and must be installed refrigerant tubing, the compressor, or any by a licensed electrician. -
Page 27: Outdoor Unit Wiring
OUTDOOR UNIT WIRING WARNING Before performing any electrical or wiring work, turn off the main power to the system. 1. Prepare the cable for connection 4. Clamp down the cable with the cable clamp. 5. Insulate unused wires with electrical tape. a. - Page 28 厂 。 ： ' T ' 11 L IJ L I J i icr> 丫 ＇ 丫 ＇ 中 丁 节 心 上 POW E R ： l .., 1 广 长 扩 | 1 ： 广 长 | | | | | | 1 11- I I I I 1 111...
- Page 29 One-five models: 二 ｀ 孕 芦 霆 。 ＠ ＠ ＠ ＠ ＠ ＠ � ， ＇ ＇ 二 ' ： , ， ， ， ， 二 二 二 二 一一，＿＿＿＿+-- - H -－ 勹 二 -- , ， ＿＿＿＿;----H- ＇...
- Page 30 心 CAUTION After confirmation of the above conditions, follow these guidelines when performing wiring: • Always have an individual power circuit specifically for the air conditioner. Always follow the circuit diagram posted on the inside of the control cover. • Screws fastening the wiring in the casing of electrical fittings may come loose during transporation.
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Page 31: Air Evacuation
AIR EVACUATION NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. 6. Close the Low Pressure side of the manifold Preparations and precautions gauge, and turn off the vacuum pump. 7. -
Page 32: Note On Adding Refrigerant
NOTE ON ADDING REFRIGERANT 心 CAUTION • Refrigerant charging must be performed after wiring, vacuuming, and the leak testing. • DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. Doing so can damage the unit or impact it's functioning. •... -
Page 33: Safety And Leakage Check
Safety And Leakage Check Electrical safety check Gas leak check Perform the electrical safety check after 1. Soap water method: completing installation. Cover the following Apply a soap-water solution or a liquid areas: neutral detergent on the indoor unit 1. Insulated resistance connection or outdoor unit connections with The insulated resistance must be more a soft brush to check for leakage of the... -
Page 34: Test Run
TEST RUN 心 CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. Before Test Run Check to see that the drainage system is unimpeded and draining smoothly. A test run must be performed after the entire g. -
Page 35: Function Of Automatic Wiring / Piping Correction
FUNCTION OF AUTOMATIC WIRING/ PIPING CORRECTION Automatic Wiring/Piping Correction Function More recent models now feature automatic correction of wiring/piping errors. Press the "check switch" on the outdoor unit PCB board for 5 seconds until the LED displays "CE", indicat g that this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE"... -
Page 36: Operating Conditions
Operating Conditions When your air conditioner is used outside of the following temperature ranges, cer tain safety protection features may activate and cause the unit to disable. Operating Temperature / － - COOL Mode HEAT Mode DRYMode Room C(60 F-90 °... -
Page 37: Pera Tl On Instructions
OPERATION INSTRUCTIONS Features White mist emerging from the indoor unit Protection of the air conditioner Compressor protection • A white mist may be generated due to a large • The compressor cannot restart for 3 minutes temperature difference between air inlet and after it stops. -
Page 38: Energy Saving Tips
• Outdoor Unit Reverse Fan Operation function: This feature helps keep the outdoor coil cleaner and may extend the duration between regular maintenance intervals depending on local conditions. When the unit is turned off, a 10 second delay occours then the outdoor fan runs in reverse rotation for 70 seconds to blow off loose accumulated dust and debris. -
Page 39: Manual Operations And Maintenance
MANUAL OPERATIONS AND MAINTENANCE Operation mode selection Optimal operation While two or more indoor units are To achieve optimal performance, please note the simultaneously operating, make sure the modes following: do not conflict with each other. The heat mode • Adjust the direction of the air flow so that it is claims precedence over all other modes. -
Page 40: Troubleshooting
TROUBLESHOOTING 心 CAUTION 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 一 Possible Causes T he outdoor unit The unit will make different sounds based on its current ope ating mode. makes noises 「 Dust is emitted from The unit may accumulate dust during extended periods of non-use, which will be either the indoor or emitted when the un代is turned on.
- Page 42 ＿ ＿ Solution Wait for the power to be restored Power failure The power is turned off Turn on the power The unit is not The fuse is burned out Replace the fuse working Replace batteries Remote cont ol batteries are dead 「...
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Page 43: Packing And Unpacking The Unit
PACKING AND UNPACKING THE UNIT Instructions for packing unpacking the unit: Unpacking: Indoor unit: 1. Cut the packing belt. 2. Unpack the package. 3. Take out the packing cushion and packing support. 4. Remove the packing film. 5. Take out the accessories. 6. - 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. Any updates to the manual will be uploaded to the service website, please check for the latest version. 16122300A24471...
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