Impecca ISFC421524 Manual

Flex Series R410A GMV Multi VFR System-Indoor Unit (For North America) Compact Panel Cassette Type Indoor UnitThank you for choosing Air Conditione

Install of The Compact Panel Cassette Type Indoor Unit7Fig.112.8 Electrical wiringNote:The power of the entire indoor unit must be connected in outdoo

Install of The Compact Panel Cassette Type Indoor Unit82.9 Install the panel(1). Set the panel to the indoor unit body by matching the position of the

Install of The Compact Panel Cassette Type Indoor Unit9Air leakAir leak from ceilingWater condensatation, water dropFig.14② .If gap still exist betwe

Constitutes and Names of Parts of Compact Panel Cassette Type Indoor Unit 103 Constitutes and Names of Parts of Compact Panel Cassette Type Indoor Uni

Working Temperature Range114 Working Temperature RangeWorking Temperature RangeIndoor side state Outdoor side staeDry bulb temp. ℃Wet bulb temp. ℃Dry

Malfunction Debarring 125 Malfunction DebarringWarning!◆Cut down the main power switch immediately if malfunction (such as smell the burning odoretc.)

Malfunction Debarring135.2 InstructionIf problem still cannot found out after above checking, please contact service center and instruct phenomena and

Maintenance Method 146 Maintenance MethodWhen air conditioner won’t be used for a long time, please cut off the main power supply of air conditioner.W

Maintenance Method15(5). Close air inlet grille (Refer to the 1st step)Maintenance Method Fig.19 Fig.206.2 Clean air inlet grille(1). Open air inlet

Maintenance Method 16Function and usage period for air purifying◆Could adsorb CO, CO2, benzene, aldehydes and odor of gasoline etc..◆Could adsorb dele

User Notice◆When operating, the entire capacity of the cooperating indoor unit should be not largerthan 150% of outdoor unit. Otherwise, it will cause

© 2016 Impecca, a division of LT Inc., Wilkes Barre, PA.

Thank you for choosing Commercial Air Conditioners, please read thisowner’s manual carefully before operation and retain it for future reference.Comme

User Notice◆The total capacity of the indoor units which runs at the same time can not exceed 150% ofthat of outdoor units; otherwise, the cooling (he

Contents1 Safety Precautions ... 12 Installation of the Cassett

Flex Series for North America11 Safety PrecautionsPlease read this manual carefully before using this unit, and operate it correctly according to t

Flex Series for North America22 Installation of the Cassette Type Indoor Unit2.1 Schematic Diagram of Installation SpacesISMI-C24ModelH260unit:mm＞20Wa

Flex Series for North America3 2). Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner.2.3

Flex Series for North America42.5 Main Body of Hoisting Air Conditioner(1). The primary step for installing the indoor unit.◆When attach the hoisting

Flex Series for North America5and torque wrench. as shown in Fig.5.◆When connect, smear both inside and outside of the are nut with freeze motor oil,

Flex Series for North America6formation of air bubble.◆If drain hose cannot has enough drooping gradient, drain raising pipe should be added.◆To preve

Contents1 Safety Information ...12 Install of The Compact Panel Cass

Flex Series for North America7Drain hose(attachment)Below 500mmBelow 75mm Fig.9◆Please install the drain hose according to the following process if se

Flex Series for North America8◆Connection wiring (communication):①Open electric box cover(1), drag the wiring (communication)from the rubber plug A, a

Flex Series for North America9GWHD(42)ND3AOPOWERINDOOR UNIT AINDOOR UNIT BINDOOR UNIT CINDOOR UNIT DOUTDOOR UNITINDOOR UNIT EXT2XT1XT3XT4XT5XT6NLGGGGG

Flex Series for North America10(3). Screw the 4 hexagon head screws under the latches in about 15mm. (The panel would rise)(4). Adjust the panel

Flex Series for North America11Air leakAir leak from ceilingWater condensatation, water dropFig.14②.If gap still exist between ceiling and decoration

Flex Series for North America123 Parts and Components of Cassette Type Indoor Unit Air outlet ventAir filter, purifire(in air inlet grille)Air inlet

Flex Series for North America134 Working Temperature RangeWorking Temperature RangeIndoor side state ℉（℃）Outdoor side state℉（℃）Dry bulb temp. ℉（℃）Wet

Flex Series for North America145 Trouble Shooting Warning!◆Cut down the main power switch immediately if malfunction (such as smell the burning odoret

Flex Series for North America15★The following circumstance doesn't belong to malfunction“Malfunction” ReasonAir conditioner doesn’t run Start up

Flex Series for North America166 Maintenance MethodWhen the unit won’t be used for a long time, please cut off the main power supply of air conditione

Safety Information11 Safety InformationPlease read this manual carefully before use this unit, and operate it correctly according to the guide in this

Flex Series for North America17Fig. 20 Fig. 216.2 Clean Air Inlet Grille(1). Open air inlet grille (the same with the 1st step of Clean Air Filter)(2)

Flex Series for North America18Function and usage period for air purifying◆Adsorb CO, CO2, benzene, aldehydes and odor of gasoline etc..◆Adsorb poison

Flex Series Outdoor UnitOwner's ManualCommercialAirConditionersModel: ISMO-4221Thank you for choosing our air conditioner, please read this O

Preface Impecca Flex System adopts the cutting-edge manufacturing technology and takes globalacknowledged, environmental-friendly R410A as

Contents 1 Safety Precautions... 1 2 Product Introduc

Flex series1 1 Safety PrecautionsThis is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messag

Flex Series2 Impecca is not responsible of personal injury or equipment damage caused by improper insta llation and commission, unnecessa

Flex Series3 2.2 Combinations for outdoor and indoor units Wall MountedIndoor UnitWall MountedIndoor UnitCassettle TypeIndoor UnitFloor/ Ceiling Indoo

Flex Series 2.4 The range of production working temperature Table 3 Cooling Working range Outdoor temperature 0~118℉ Heating Working range Outdoor t

Flex Series5 3.3 Piping Connection The maximum pipe length is shown in the following table. When the distance between units (piping length)

Install of The Compact Panel Cassette Type Indoor Unit22 Install of The Compact Panel Cassette Type Indoor Unit2.1 Schematic diagram of installation s

Flex Series6 4.2 Installation of the Connection Pipe Connecting piping for indoor unit and outdoor unit are in manifold mode. (As shown below).

Flex Series7 Allowable Length and Height Fall of the Refrigerant Pipe Table 7 Allowable Value Fitting Pipe Total length (actual length) of fitting pip

Flex Series 8 After the pipe is protected well enough, never bend it to form a small angle; otherwise it would crack or break. (3)Wrap the Pipe with T

Flex Series9 (2) Calculation of the Additional Refrigerant ChargeAdditional Refrigerant Charge=(ΣLength of Liquid Pipeφ0.375×54+ΣLength of Liquid Pipe

Flex Series 10 1) The mistake connecting line will result in malfunction. After the electrical wiring working, ensure the wirebetween t

Flex Series11 5 Troubleshooting 1) In the event of abnormal conditions (like, stinky smell), please shut off the main power supply immediately

Flex Series12 6 The conditions listed below are not classified into errors. Table 10 Conditions Causes The unit does not run When restart the unit soo

Flex Series13 running next operation Mode conflict COOL or HEAT mode can not be operated When the indoor operating mode conflicts with that of outdoor

Flex Series147 Troubleshooting The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each err

Flex Series15 8 Maintenance 8.2 Drain Pipe Regularly check if the drain pipe is clogged in order to drain condensate smoothly. 8.3 Notice before Seaso

Install of The Compact Panel Cassette Type Indoor Unit32.3 Important notice ◆To guarantee the good performance, the unit must be installed by professi

Before contacting customer support, please see the troubleshooting guide above. Visit our website to contact us, find answers to Frequently Asked Ques

Thank you for choosing Impecca Air Conditioners. Please read this owner’s manual carefully before operation and retain it for future reference.Wired C

User NoticeƹƹƹƹƹƹPlease carefully read this manual before installation and use of this product (QVXUHthere is separate SRZHUVXSSO\IRUHDFKLQGRRUX

Contents1 Display Section... 11.1 Controller's LCD

11 Display SectionFig1.1.1 Diagram of wired controller1.1 LCD Display of Wired ControllerFig.1.1.2 LCD displayWired Controller IS-TT850

21.2 Instruction to LCD DisplayTable 1.1No. Symbols Description1Swing function2Air exchange function (this function is yet unavailable for this unit).

32 Buttons2.1 Layout of Buttons2.2 Functions of ButtonsTable 2.1No. Name Function1 Enter/Cancel Function selection and cancellation.2 ŸķRunning tempe

43 Operation Instructions3.1 On/OffPress On/Off button to toggle your A/C's power.Note: The state shown in Fig.3.1.1 indicates the “Off” state of

53.4 Fan SettingWhile the unit is powered on, press Fan and then fan speed of the indoor unit will change circularly as shown in Fig.3.4.1.Low MiddleH

Install of The Compact Panel Cassette Type Indoor Unit4 ◆Install the install cardboard on the unit by bolt (3 piece), and x the angle of the drainage

6Timer on setting under the “Off” state of the unit is shown as Fig.3.5.2.Fig.3.5.2 Timer on Setting under the “Off” State of the Unit7LPHUUDQJH

73.6 Swing SettingSwing On: Press Function under on state of the unit to activate the swing function. In this case, ZLOOEOLQN$IWHUWKDWSUHVV(Q

83.7 Sleep SettingSleep on: Press Function under the On state of the unit till the unit enters the Sleep setting VWDWH$IWHUWKDWSUHVV(QWHU&D

93.8 Turbo SettingTurbo function: The unit at the high fan speed can realize quick cooling or heating so that the room temperature can quickly approac

103.9 E-heater SettingE-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to beWXUQHGRQIRULPSURYHPHQWRIHI¿FL

113.10 Blow SettingBlow function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to avoid milde

123.11 Other Functionsa. Lock8SRQVWDUWXSRIWKHXQLWZLWKRXWPDOIXQFWLRQRUXQGHUWKH³2II´VWDWHRIWKHXQLWSUHVVŸDQGźatthe same time for 5s t

13168 91073 452Fig.4.2Fig.4.2 shows the installation steps of the wired controller, but there are some issues that need your attention.1) Prior to the

14and connection lines between the indoor and outdoor unit, with a minimum interval of 20cm, otherwise the communication of the unit will probably wor

Wired Controller IS-TT85015Table 5.1 Meaning of Each ErrorErrorErrorCodeErrorErrorCodeReturn air temperature sensor open/short circuited F1 Drive boar

Install of The Compact Panel Cassette Type Indoor Unit5 Smear freeze motoroil hereSpannerThread fasten(x4)Median sponge (attachment) (entwine the wiri

Technical SupportBefore calling technical support, please see the troubleshooting guide above. You may also visitour website at www.impecca.com for an

Install of The Compact Panel Cassette Type Indoor Unit6Sponge(attachment)Clamp(attachment)Below 4mmClamp Drain hoseSponge (gray)Fig.7Drain stepup pipe