Mitsubishi Electronics PEH-10MYA, PE-8MYC, PE-15MYC, PE-20MYC manual Do not wash the unit with water

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Caution

Never install on the place where a combustible gas might leak.

The gas may ignite or explode when the gas leaks and collects in surround of the unit.

When the unit is installed at telecommunication centers or hospitals, take a proper provision against noise.

The erroneous operation of air conditioner may be induced by inverter equipment, independent power device, medical equipment or communication equipment.

For special use as for foods, animals/plants, precision equipment or art objects, the applicability should be confirmed beforehand.

As the use for the applications other than that designed originally may result in the deterioration of the quality. Consult your dealer in this regard.

Do not use the unit under a special atmosphere. Installing the unit at the following places may cause a trouble, a place where is much machine oil, salt , humidity or dust, spa district, a place full of sulfur gas, volatile gas, or corrosive gas, a place near high frequency processing machine.

Thermal insulation of the drain pipes is necessary prevent dew condensation.

If the drain pipes are not properly insulated, condensation will result and drip on ceiling, floor or other possessions.

The unit should be securely installed level surface. When the unit inclines, it causes the water leak and the breakdown.

Please confirm the horizontal with the spirit level.

Install drain piping (hose) according to this Installation Manual to ensure proper drainage. Improper drain piping (hose) may cause water leakage and damage to furniture or other possessions.

The unit must be properly earth connected.

Do not connect the earth wire to gas pipe, city water pipe, lightning rod or telephone earth wire.

Improper earth connection may cause electrical shock.

When installing at a watery place, provide an electric leak breaker.

Failure to mount the electric leak breaker may cause electrical shock.

Use breaker or fuse with proper capacity.

Make sure that each appliance has a main power switch.

Using a wire or copper wire instead of proper capacity can cause fire or trouble.

Other appliances connected to the same line could cause an overload.

For the power lines, use standard cables of sufficient current capacity.

Otherwise, current leakage, overheating or fire may occur.

When installing the power lines, do not apply tension to the cables.

The tighten or loosen the connections may cause generate heat and cause fire.

A thing embarrassed which gets wet under the unit is not put.

When the room is high humidity or when the drain pipe is clogged, water may drip from the indoor unit.

Arrange the configuration of wiring not to bring up the panel and terminal cover, and fasten the panel and terminal cover securely.

The poor mounting of the panel or terminal cover may cause the heat generation of the terminal connection, a fire or electrical shock.

Do not wash the unit with water.

If washed with water, electric shock may be caused.

Do not handle the switch with wet hands.

Otherwise electric shock can be resulted.

Be very careful about unit transportation.

The unit should not be carried by only one person if it is more than 20kg. It occasionally causes the damage of the unit and health to be impaired.

Some unit use PP bands for packing. Do not use any PP band for delivery purpose. It may cause the injury.

Do not touch the heat exchanger fins with your bear hands. Doing so may cut your hands.

When carrying in outdoor unit, be sure to support it at four points. Carrying in and lifting with 3-point support may make outdoor unit unstable, resulting in a fall of it.

Be sure to safety dispose the packing materials. Packing materials, such as catches and other metal or wooden parts, may cause stabs or other injuries.

Do not leave the mounting base being damaged.

The damaged base may cause the falling down of the unit which may give injury.

Turn on the main power switch more than 6 hours before starting operation.

Do not turn the main power switch OFF during seasons of heavy use, doing so can result in failure.

Do not touch the compressor or refrigerant piping without wearing glove on your hands.

Touching directly such part can cause a burn or frostbite as it becomes high or low temperature according to the refrigerant state.

Do not touch the metal edges inside the unit without wearing glove on your hands. Touching directly it may injure your hands.

Do not remove the panel or the fan guard from the unit when it is running.

You could be injured if you touch rotating, hot or high- voltage parts.

Do not operate the air conditioner without the air filter set place.

Dust may accumulate, and cause a failure.

At emergency (if you smell something burning), stop operation and turn the power source switch off. Continuing the operation without eliminating the emergency state may cause a machine trouble, fire, or electrical shock.

After stopping operation, be sure to wait for five minutes before turning off the main power switch. Otherwise, water leakage or unit failure may occur.

Remote controller is not installed for the place where direct sunshine strikes.

Remote controller is not pushed with the thing sharpening ahead.

It occasionally causes the electric shock and the break- down.

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Contents Data Book Contents Safety for USE For correct installationDo not wash the unit with water Indoor unit Complete Line UPOutdoor unit Features DescriptionsMechanical Specifications Typical Installation ExampleMODEL-DESIGNATION Breakdown 10 M Y CSpecifications PE-7~20MYC Cooling onlyPEH-5,7,8MYA Heat pump PEH-10,15,20MYA Heat pump Electrical Data PE-7~20MYC-EUPEH-5,7,8MYA-EU HeatingPEH-10,15,20MYA-EU Selection Procedure Model Selection With actual examplesEfficiency Calculation Calculation of net capacityCooling Capacity Standard Air Flow Capacity TablesFactor for Various Air Flow Heating Capacity Standard Air Flow PE-7MYC-EU , PEH-7MYA-EU PEH-7MYA-EU PE-8MYC-EU , PEH-8MYA-EU combined with PUH-8MYC1-EU PEH-8MYA-EU Use for low ambient cooling partsPE-8MYC-EU , PEH-8MYA-EU combined with PUH-8MYE-EU PE-8MYC-EU , PEH-8MYA-EU combined with PUH-8ME-EU Combined with PUH-8MYE-EUPE-10MYC-EU , PEH-10MYA-EU combined with PUH-10MYC1-EU PEH-10MYA-EU PE-10MYC-EU , PEH-10MYA-EU combined with PUH-10MYE-EU Combined with PUH-10MYE-EU PE-15MYC-EU 976 PEH-15MYA-EU 989 011 PE-20MYC-EU Use for low ambient cooling parts PEH-20MYA-EU PEH-20MYC-EU AIR Volume CMM Operation Range CoolingFAN Performance PEH-5MYA-EUPE-7MYC-EU PEH-7MYA-EU PE-8MYC-EU PE-10MYC-EU PEH-8MYA-EU PEH-10MYA-EUPE-15MYC-EU PEH-15MYA-EU PE-20MYC-EU PEH-20MYA-EUPulley outside dimensions are shown below Unit mm Sound Data Position mesurementIndoor units Outdoor unitsPEH-5 Outline DimensionsPEH-7,8 PEH-10 PEH-1528.6 DRAINRc HOLES26PEH-20 Flange HOLES28PUH-5 PUH-7,8,10 Upper blowHoles Holes 2-ø15 Ø19.053/4PUH-8,10 Side blow PU-15Ø15.885/8130 Refrigerant Pipe PUH-8ø25.41 PUH-10ø28.61-1/8 Cable Entry 44 Holes 2-ø15PU-20 PUH-15,20Ø28.61-1/8 Ø15.885/8 Holes 6-ø15 Control Cable Entry ø27Duct work is local supply Wiring Diagrams PE-7MYC-EU StandardInternal thermostat indoor fan PE-8,10MYC-EU StandardOver current relayfanI/D,O/D PE-15MYC-EU Standard PE-20MYC-EU Standard TB1PE-7MYC-EU Special Order Anti Short Cycle Timer PE-8,10MYC-EU Special Order Anti Short Cycle Timer Internal thermostatindoor fanPE-15MYC-EU Special Order Anti Short Cycle Timer PE-20MYC-EU Special Order Anti Short Cycle Timer Symbol Name MC1,2 Compressor motor23C Ambient temperature PE-7MYC-EU Special Order LOW Ambient Cooling52F1 Contactor fan I/D 49F Internal thermostatfan O/DPE-8,10MYC-EU Special Order LOW Ambient Cooling PE-15MYC-EU Special Order LOW Ambient Cooling Do not change factory set value of Over current relaysAuxiliary relay fanI/D PE-20MYC-EU Special Order LOW Ambient Cooling30FZ Auxiliary relay fanI/D PEH-5MYA-EU Standard MF2PEH-7MYA-EU Standard Thermostat defrostWay valve Option controller connectionC1~7 PEH-8,10MYA-EU StandardCR1 Surge killer PEH-15,20MYA-EU Standard MF2 Cool Heat CR1 Surge killer Timer Anti short cycle PEH-8,10MYA-EUPEH-15,20MYA-EU Special Wiring Anti Short Cycle Timer PEH-7MYA-EU Special Order LOW Ambient Cooling PEH-8,10MYA-EU Special Order LOW Ambient Cooling MF2 Fan motor outdoor52F1 Contactor fan I/D 52F2 Contactor fan O/D 52F4 CR1 Surge killer 21S4 Way valve 26D1 Thermostat defrost 26LPEH-15,20MYA-EU Special Order LOW Ambient Cooling 63H1,2 High-pressure switch 26L1,251F1~5 PE-7,8,10MYC-EU Electrical Operation Flow ChartsPEH-5MYA-EU, PEH-7,8,10MYA-EU PE-15MYC-EU PE-20MYC-EU PEH-15,20MYA-EU PE-7,8,10,15,20MYC-EU Refrigerant SchematicsPEH-5,7,8,10,15,20MYA-EU Safety & Control Devices PE-7,8,10MYC-EU PE-15,20MYC-EUPEH-7,8,10MYA-EU Special Order Service refYear Physical Data PE-7,8,1015,20MYC-EUIndoor AIR Circuit Enclosure and Frame PEH Series PEH-5MYA-EU PE-8MYA-EU JH527YE JH521YE 596X1415 PUH-10MYC1-EU PUH-10MYE-EU PUH-15MYC1-EU PUH-20MYC1-EU Space required around unit Indoor unit InstallationOutdoor unit Ceiling Over Service-panelOver 500 PU-15 At a single installation Over Service PanelOver Service-panel Preparation before installing Indoor unitOver Service-panel 500 Installation of the unit Indoor unit Outdoor unitNut Washer Nut M10 WasherDuct construction Lifting methodPiping connection Case of Brazing typeValve knob Pipe assyThrow away Fig By-pass tube Flange assy Extension pipe Extension pipe Use the attached new packing FigGood example Bad example Evacuation Airtight testAdditional refrigerant charge Drain piping Arrangement such as terminal block in control box Electric wiringControl module of outdoor unit PUH-5, 8 Terminal block for connection wires Power supply wiresControl module of outdoor unit PUH-7, 8 Control module of outdoor unit PU-20Method for connecting electric wire Protection switch 50A60A Selection of other capacities should beBefore starting the Trial run Putting condition of the belt=4.5mm Flexion loadW 1.4 2.2kg Instructions for USE Check points for operationOutlet grille Ceiling Ceiling Obstacle blocking air outletMaintenance Fingermarks Neutral GreaseAdhesive Isopropyl Paste AlcoholWhen beginning to use air conditioner again When the air conditioner is not to be used for a long timeTransfer of installation Transferring work, and constructionPlace for installation Maintenance and inspectionRegarding electric work Conseration of the noiseTrouble shooting At cooling, water which places to cooling pipingHOW to Operate Option PAC-204RC Display sectionBefore starting operation On / OFF Start an operationSelecting operation When selecting operation Room temperature adjustment To change room temperatureFor fan For coolingTime setting Days timer keyTimer Hold/Resume key Clock keyTrouble shooting Error DisplaySpecification Guidelines Outdoor UnitMemo Mitsubishi Electric Corporation Data Book PE,PEH