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CEILING CONCEALED TYPE AIR CONDITIONER
Operation & Installation
Manual
No. 0010573573
A
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.
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Table of Contents Cautions 1-2 Part Description 3 Important Points of Safety 4-6 Trouble Shooting 7-8 When Fault Occurs 9 Notice to Users 10 Installation Precautions 11-12 Installation Procedure 13-19 Installation Check and Trial Run 20
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Cautions 1
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Cautions 2
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D NOTE When the unit have the Return air box (see the following picture) when shipping from the factory and they are of back-side return air type. During the installation, the unit also can be changed to a Down-side Return air according to the user's need. Electrical control box 3
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Warning for installation Important Points of Safety The following four important points of safety and suggestions should be paid great attention: ! Warning: Misuse may cause fatal result such as death or serious injury etc. ! Attention: Misuse may cause human injury or damage of machine, in some case fatal results. : Content marked with this ì forbiddenî sign should be absolutely forbid- den, otherwise may cause damage of machine and huma
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Warning for use Warning for move and repair Attention points for installation Important Points of Safety Warning ! Avoid your body being blown If something abnormal (e.g.: burnt directly by cold wind for long smell etc.) occurs, stop running the period, otherwise your health machine, shut down the manual may be affected. power switch and contact after service. Continuous operation in Donít extend your fingers or disorder may caus
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Attention points for use Important Points of Safety ! Attention * Ensure ventilation of the room * DONíT lay any burning facilities if the machine is used with in place where winds produced by burning facilities. Deficient the machine can reach. Incomplete ventilation can cause oxygen combustion of burning facility may shortage. be caused otherwise. * Check whether installation bench of the machine is * DONíT clean the machine with
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Trouble Shooting The following cases are not troubles. Water flow sound is heard. During operation, the air conditioner may sometimes exhibit a sound of "clatter" or "Hua-Hua" "rumble". This is the common sound of refrigerant flow but not a trouble. This is caused by the thermal expansion A sound of "Pi-Pa" is generated. or cold shrinkage of plastics. Smells are given off. Sometimes there are smells in the air flow from the indoor unit. This is caused by the smell of cigarettes or paint coating
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Trouble Shooting During DRY operation, there is no air sent out or fan speed cant be changed. In HEAT mode, the outdoor unit This occurs during removal of the frost generates water or steam. (in defrosting operation) on the radiator of outdoor unit. Defrost operation In HEAT mode, the indoor fan still After the unit stops, the indoor fan will keeps running even the unit operation continue to run for a while to eliminate stops. residual heat. Before asking for after-service to an authorized servi
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When Fault Occurs Poor cooling or heating Is the operation controller Are there any obstructs Is there any door or window adjusted as required? before the air inlet or outlet? left open? Poor cooling Is there any other heat Is there any direct sunlight Are there too many people source in the room? into the room? in the room? If, after the above checks and the corresponding corrective actions, the system remains abnormal operation, or the following facts appear, please turn off the air conditione
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Notice to Users Notice to users To ensure proper operation of the system, the user shall follow this instruction manual to install the unit. When handling the air conditioner, please be care not to scratch the case surface. This instruction manual describes the installation method aided with the installation tools specified by manufacturer . The maximum length of connection pipe is 50 m, and the maximum difference between levels of indoor unit and outdoor unit shall be 30 m. Please keep the inst
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Installation Precautions Before installing, do read this "Safety precautions" carefully to guarantee the proper installation. ! ! The below attentive matters are divided into" Warning" " and " Note" two parts. When the wrong installation occur, it is very possible death and severe injury and other serious accidents will ! ! happen. For those items are listed in" Warning" part. But even the items listed in " Note" part can also cause serious accidents. Above all, both t
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Installation Precautions The indoor unit shall be installed at locations where cold and hot air could evenly circulated. The following locations should be avoided: Places with rich saline matters (seaside regions). Places with plenty of gas sulfides (mainly in warm spring areas where the copper tube and braze weld is prone to corrosion). Locations with much oil (including mechanical oil) and steam. Locations using organic solvents. Places where there are machines generating HF electromagneti
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g f d Installation Procedure After selecting the unit installation location, proceed the following steps: 1. Drill a hole in the wall and insert the connecting pipe and wire through a PVC wall-through tube purchased locally. The wall hole shall be with a outward down slope of at least 1/100. (See Figure 2) 2. Before drilling check that there is no pipe or reinforcing bar just behind the drilling position. Drilling shall avoid at positions with electric wire or pipe. 3. Mount the unit
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Installation Procedure When installing the ceiling concealed type indoor unit, a specially designed return air bellows shall be installed, as shown in Figure 3, Figure 4. Figure 3 Installing building roof *0.5m(0Pa)or*5m(50Pa) A Ceiling Unit Return air bellows Return air Air outlet duct Air supply Figure 4 Air outlet grille Return air bellows Air supply No obstacles within 1 m(0Pa) Unit Return air Each air return and supply duct should fix to the floor precast slab by using an iron stand. Use gl
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Installation Procedure Installation for air duct of indoor unit 1. Installation of air discharge duct This type of unit uses circular air duct with its caliber of 180mm. An additional transitive air duct is necessary for the circular air duct to connect to the air supply inlet. It should be also connected to its respective air diffuser separately. See Fig.1. Adjust the wind speed of each air diffuser outlet to keep in line on the whole, so as to meet a demand of the air conditioner in
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Installation Procedure Installing the suspension screw: Use M8 or M10 suspension screws (4, prepared in the field) (when the suspension screw height exceeds 0.9 m, M10 size is the only choice). These screws shall be installed as follows with space adapting to air conditioner overall dimensions according to the original building structures. Wooden structure A square wood shall be supported by the beams and then set the suspension screws. Square wood Beam Suspension screw New concrete slab To set
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Installation Procedure ! Caution In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose connection may cause indoor water leakage. Requirements The indoor drain pipe shall be thermal insulated. The connection part between the drain pipe and the indoor unit shall be insulated so as to prevent dew generation. The drain pipe shall be slant downwards (greater than
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Installation Procedure Allowable pipe length and drop These parameters differ according to the outdoor unit. See the instruction manual attached with the outdoor unit for details. Supplementary refrigerant The refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit. The added refrigerant shall be R22. The adding procedure shall be aided with a measuring meter for a specified amount of supplemented refrigerant A Requirement Overfilling or
