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Related Manuals for Impecca ISMO-4221
Summary of Contents for Impecca ISMO-4221
- Page 1 Flex Series Outdoor Unit Owner's Manual Commercial Air Conditioners Model: ISMO-4221 Thank you for choosing our air conditioner, please read this Owner's manual carefully before operation and retain it for future reference. v. 1.1...
- Page 2 Preface Impecca Flex System adopts the cutting-edge manufacturing technology and takes global acknowledged, environmental- friendly R410A as refrigerant, which is a green product in the 21 century. Please carefully read this manual before installation and operation. Instructions before reading this manual：...
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Page 3: Table Of Contents
Contents 1 Safety Precautions....................1 2 Product Introduction....................3 2.1 Name of Main Parts..........................3 2.2 Combinations for outdoor and indoor units ..................4 2.3 Rated working condition ........................5 2.4 The range of production working temperature..................5 3 Preparation before Installation .................. 6 3.1 Standard parts ............................ -
Page 4: Safety Precautions
Impecca appointed service center. If abnormality keeps going, the unit might be damaged and lead to electric shock or fire. 26) User is not allowed to repair the unit. Fault service may cause electric shock or fire accidents. Please contact Impecca appointed service center for help. -
Page 5: Product Introduction
15%~120% can be realized. V arious product lineup is provided with capacity range from 30KBtu to 42KBtu, which can be widely used in boarding house and working area and especially applicable to the place with variable load change. Impecca commercial air conditioner is absolutely your best choice. -
Page 6: Combinations For Outdoor And Indoor Units
Table 1 Energy Level and Capacity Code of the Indoor Indoor unit Model Capacity Code Outdoor unit ISMI-W092 ISMI-W122 Wall Unit ISMI-W182 ISMI-W242 ISMO-4221 ISMI-FC18 Floor/Ceiling Type ISMI-FC24 ISMI-C15 Cassettle type ISMI-C24 2.3 Rated working condition Table 2 Indoor side state Outdoor side state Dry buib temp.℉... -
Page 7: The Range Of Production Working Temperature
2.4 The range of production working temperature Table 3 Cooling Working range Outdoor temperature 0~118℉ Heating Working range Outdoor temperature -4~86℉ 3 Preparation before Installation 3.1 Standard parts (Please use only Impecca supplied parts) Table 4 Parts of Outdoor Unit Number name picture Quantity Remark... -
Page 8: Piping Connection
Max. Height Difference be tween Indoor Model Max. Pipe length(ft) Unit and Outdoor Unit (ft) Liquid When the outdoor unit is above, maximum height difference between ISMO-4221 246.1 Ф1/4 Ф3/8 indoor and outdoor units is up to 49.2ft; When indoor... -
Page 9: Installation Of The Connection Pipe
Flex Series 4.2 Installation of the Connection Pipe Connecting piping for indoor unit and outdoor unit are in manifold mode. (As shown below). Fig. 5 4.2.1 Piping between the Indoor and Outdoor Units (1) If the liquid and gas stop valves which have the sign of A , B, C, D or E have not been connected to the indoor units, please turn off the screw cap with the spanner airproof. - Page 10 Flex Series Allowable Length and Height Fall of the Refrigerant Pipe Table 7 Allowable V alue Fitting Pipe Total length (actual length) of fitting 246.1ft +…+L (M ≤5) pipe 82ft Length of farthest fitting pipe (ft) （X=1，2，3，4,5） Outdoor unit at 49.2ft Height difference upper...
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Page 11: Air Purging And Refrigerant Charge
Flex Series 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 Tape： a. Bundle the refrigerant pipe and electric wire together with tape, and separate them from the drain pipe to prevent the condensate water overflowing. -
Page 12: Electric Wiring
Flex Series (2) Calculation of the Additional Refrigerant Charge Additional Refrigerant Charge= (ΣLength of Liquid Pipeφ0.375×54+ΣLength of Liquid Pipeφ0.25×22)-880 The biggest additional refrigerant charge value is 800g. It means that if the calculated value exceed 800g, the additional refrigerant charge takes 800g, while the calculated value less than 800g, the additional refrigerant charge takes the calculated value. - Page 13 Flex Series 4.4.3 Electrical Cable Connection 1) The mistake connecting line will result in malfunction. After the electrical wiring working, ensure the wire between the connection place and the fixed place has a certain freedom degree. 2) The connection piping and connection line of each indoor unit should connect well according to the instruction. 3) The electric installation should be carried out by the technician as instructed by the local laws, regulations and also this manual.
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Page 14: Troubleshooting
2) Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the Impecca appointed service center, as the incorrect repair would cause electric shock or fire hazard etc. -
Page 15: The Conditions Listed Below Are Not Classified Into Errors
When the unit is running. The odors absorbed in are blown out again. NOTICE! If problem can not be solved after checking the above items, please contact Impecca service center and show phenomena and models. Following circumstance are not malfunction... - Page 16 Flex Series running next operation Mode conflict COOL or HEAT mode can not When the indoor operating mode conflicts with that of be operated outdoor unit, indoor fault indicator will flash and conflict will be shown on the wired controller after 5 minutes. Indoor unit stops to run and meanwhile change outdoor operating mode as the same as that of indoor unit, then the unit will go back to normal.
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Page 17: Troubleshooting
Flex Series 7 Troubleshooting The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each error, as shown in table 13. Table 12 The indicator display Name of malfunction Yellow light Red light Green light... -
Page 18: Maintenance
(4) In the event of rusting, use the anti-rust paint to stop spreading of rust. 8.5 Parts Replacement Purchase parts from Impecca appointed service center or dealer if necessary. NOTICE! During airtight and leakage test, never mix oxygen, ethyne and other dangerous gas into refrigeration... - Page 19 If you wish to contact us by phone, please be sure to have your model number and serial number ready and call us between 9:00am and 6:00pm ET, at +1 866-954-4440. Keep tabs on Impecca's newest innovations & enter contests via our social network feeds: ...
- Page 21 Split Air Conditioner Models: ISMI-W182 ISMI-W242 Thank you for choosing our product. For proper operation, please read and keep this manual carefully. If you have lost the Owner’s Manual, please contact the local agent or visit www.impecca.com for electronic version. v. 1.1...
- Page 22 Content Operation Notices Precautions......................1 Parts Name......................6 Screen Operation Guide Buttons on remote controller .................7 Introduction for icons on display screen ..............7 Introduction for buttons on remote controller ............8 Function introduction for combination buttons .............12 Operation guide ....................13 Replacement of batteries in remote controller .............
- Page 23 Explanation of Symbols Indicates a hazardous situation that, if not avoided, will result in death or serious injury. Indicates a hazardous situation that, if not avoided, could result in death or serious injury. Indicates a hazardous situation that, if not avoided, may result in minor or moderate injury.
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Page 24: Precautions
Precautions WARNING Operation and Maintenance This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. - Page 25 Precautions WARNING Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner. Do not extend fingers or objects into air inlet or air outlet.
- Page 26 Precautions WARNING Attachment Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Must follow the electric safety regulations when installing the unit. According to the local safety regulations, use qualified power supply circuit and circuit break. Do install the circuit break.
- Page 27 Precautions WARNING Do not put through the power before finishing installation. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
- Page 28 Precautions WARNING For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an circuit break must be installed in the line. If you need to relocate the air conditioner to another place, only the qualified person can perform the work.
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Page 29: Parts Name
Parts Name Indoor Unit air inlet panel aux.button horizontal louver cooling power receiver air outlet indicator indicator window display heating temp. drying indicator indicator indicator (Display content or position may be different from above remote controller graphics, please refer to actual products) NOTICE: Actual product may be different from above graphics, please refer to actual products. -
Page 30: Buttons On Remote Controller
Buttons on remote controller ON/OFF button MODE button button CLOCK button TIMER ON/TIMER OFF button TEMP button TURBO button LIGHT button SLEEP button Introduction for icons on display screen Set fan speed Send signal Operation mode Cool mode Set temperature Dry mode Fan mode Turbo mode... -
Page 31: Introduction For Buttons On Remote Controller
Introduction for buttons on remote controller Note: conditioner by using remote controller. ON/OFF button The colour is different for different models), and indoor unit will give out a sound. MODE button Press this button to select your required operation mode. COOL fan blowing angle. - Page 32 Introduction for buttons on remote controller auto mode) adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF buttons) When setting to CLOCK, TIMER ON, TIMER OFF buttons) ), high( Auto Note: button Press this button can select up&down swing angle. Fan blow angle can be selected circularly as below: no display at current position)
- Page 33 Introduction for buttons on remote controller CLOCK button Press this button to set clock time. " " icon on remote controller will blink. Press change quickly. Release this button when reaching your required time. Press Note: ller will quit setting status. Operation for TIMER ON/TIMER OFF is the same. TIMER ON / TIMER OFF button time will change quickly until reaching your required time.
- Page 34 Introduction for buttons on remote controller function, and " " icon will disappear. Note: operate at low speed for a while to blow the residual water inside the air duct. will stop operation immediately. TEMP button remote controlleris selected circularly as below: no display on indoor unit displays set temperature.
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Page 35: Function Introduction For Combination Buttons
Introduction for buttons on remote controller SLEEP button " " icon is displayed on remote controller. Press this button again to cancel sleep function and " " icon will disappear. LIGHT button Press this button to turn off display light on indoor unit. " "... -
Page 36: Operation Guide
Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "+" or "-" button to set your required temperature. (Temperature can’t be adjusted under auto mode). -
Page 37: Emergency Operation
Emergency operation If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below: air conditioner. When the air conditioner is turned on, it will operate under auto mode. - Page 38 Clean and Maintenance Open panel Pull out the panel to a certain ) to clean panel cover tightl . WARNING...
- Page 39 Clean and maintenance NOTICE: Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether circuit break, plug and socket are in good condition. 4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
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Page 40: Malfunction Analysis
Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still Phenomenon Check items Solution (such as static electricity, stable the plug after about 3min, and voltage)? then turn on the unit again. within the signal receiving range? Indoor unit can’t receive... - Page 41 Malfunction analysis Phenomenon Check items Solution Circuit break trips off or fuse is burnt out? circuit break or fuse. Air condit- ioner can’t operate after stopping operation? on the unit again. for remote controller is correct? Mist is em- rapidly. After a while, indoor itted from temperature and humidity will indoor unit’s...
- Page 42 Malfunction analysis Phenomenon Check items Solution ’s odour source, Odours are such as furniture and cigarette, emitted etc. Air conditio- ’s interference, r, put back ner operates such as thunder, wireless power, and then turn on the abnormally devices, etc. unit again.
- Page 43 Malfunction analysis Error Code l, temperature indictor on indoor unit will ation of error code. Above indicator diagram is only Indoor for reference. Please refer to display actual product for the actual indicator and position. Error code Error code Troubleshooting Heating indicator Means defrosting status.
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Page 44: Installation Dimension Diagram
Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall... -
Page 45: Tools For Installation
Tools for installation 1 Level meter 2 Screw driver 3 Impact drill 4 Drill head 5 Pipe expander 6 Torque wrench 7 Open-end wrench 8 Pipe cutter 9 Leakage detector 10 Vacuum pump 11 Pressure meter 12 Universal meter 13 Inner hexagon spanner 14 Measuring tape Note: Selection of installation location... -
Page 46: Requirements For Electric Connection
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. circuit break. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner. -
Page 47: Installation Of Indoor Unit
Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3. - Page 48 Installation of indoor unit Indoor outdoor Note: opening the hole. The plastic expansion particles are 5-10 locally. Step four: outlet pipe 1. The pipe can be led out in the 2. When select leading out the pipe direction of right, rear right, left or from left or right, please cut off the rear left.
- Page 49 Installation of indoor unit Hex nut diameter Tightening torque (N . m) open-end wrench 15~20 30~40 union nut 45~55 pipe torque wrench 60~65 70~75 indoor pipe 4. Wrap the indoor pipe and joint of con- nection pipe with insulating pipe, and then wrap it with tape.
- Page 50 Installation of indoor unit 2. Make the power connection wire go cable-cross through the cable-cross hole at the back hole of indoor unit and then pull it out from the front side. power connection wire 3. Remove the wire clip; connect the power connection wire to the wiring terminal according to the color;...
- Page 51 Installation of indoor unit Step eight: bind up pipe 1. Bind up the connection pipe, power drain hose connection pipe band cord and drain hose with the band. indoor and outdoor power cord indoor unit pipe indoor power cord liquid pipe 3.
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Page 52: Check After Installation
Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping. -
Page 53: Configuration Of Connection Pipe
Configuration of connection pipe 1. Standard length of connection pipe fference. Max length Max length Cooling Max height Cooling Max height of connec- of connec- difference difference tion pipe tion pipe 4. The additional refrigerant oil and refrigerant charging required after prolonging connection pipe of connection pipe. - Page 54 Additional refrigerant charging amount for R22, R407C, R410A and R134a Diameter of connection pipe Outdoor unit throttle Liquid pipe(mm) Gas pipe(mm) Cooling only(g/m) Cooling and heating(g/m)
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Page 55: Pipe Expanding Method
Pipe expanding method Note: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps: A: Cut the pipe E: Expand the port the distance of indoor unit and hard outdoor unit. mold expander pipe... -
Page 56: Wired Controller
Wired Controller If the product you bought is equipped with wired controller, please refer to the following introductions of wired controller. 1 Displaying Part Fig1.1.1 Outline of wired controller 1.1 LCD Display of Wired Controller Fig.1.1.2 LCD display... - Page 57 Wired Controller 1.2 Instruction to LCD Display Table 1.1 Symbols Description Swing function Air exchange function (this function is yet unavailable for this unit). Sleep function (Only sleep 1). Each kind of running mode of indoor unit (auto mode) Cooling mode Dry mode Fan mode Heating mode...
- Page 58 Wired Controller 2 Buttons 2.1 Layout of Buttons 2.2 Functions of Buttons Table 2.1 Name Function Enter/Cancel Function selection and cancellation. Running temperature setting of the indoor unit, range:16~30 Timer setting, range:0.5-24 hr. Setting of the high/middle/low/auto fan speed. Mode Setting of the Cooling/Heating/Fan/Dry/Auto mode of the indoor unit.
- Page 59 Wired Controller 3 Operation Instructions 3.1 On/Off Press On/Off to turn on the unit and turn it off by another press. Note: The state shown in Fig.3.1.1 indicates the “Off” state of the unit after power on. The state shown in Fig.3.1.2 indicates the “On” state of the unit after power on. Fig.3.1.1 “Off”...
- Page 60 Wired Controller 3.4 Fan Setting Under the “On” state of the unit, press Fan and then fan speed of the indoor unit will change circularly as shown in Fig.3.4.1. Middle High 3.5 Timer Setting Under on-state of the unit, Press Timer button to set timer off of the unit. Under off-state of the unit, press Timer button to set timer on of the unit in the same way.
- Page 61 Wired Controller Timer 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 Unit Timer range: 0.5-24hr. Every press of will make the set time increased or decreased by 0.5hr.
- Page 62 Wired Controller 3.6 Swing Setting Swing On: Press Function under on state of the unit to activate the swing function. In this case, Swing Off: When the Swing function is on, press Function to enter the Swing setting interface,with blinking. After that, press Enter/Cancel to cancel this function. Swing setting is shown as Fig.3.6.1.
- Page 63 Wired Controller 3.7 Sleep Setting Sleep on: Press Function under the On state of the unit till the unit enters the Sleep setting Sleep off: When the Sleep function is activated, press Function to enter the Sleep setting status. After that, press Enter/Cancel to cancel this function. In the Cooling or Dry mode, the temperature will increase by 1°C after the unit runs under Sleep1 for 1hr and 1°C after another 1hr.After that, the unit will run at this temperature.
- Page 64 Wired Controller 3.8 Turbo Setting Turbo function: The unit at the high fan speed can realize quick cooling or heating so that the room temperature can quickly approach the setting value. In the Cooling or Heating mode, press Function till the unit enters the Turbo setting status and When the Turbo function is activated, press Function to enter the Turbo setting status and then press Enter/Cancel to cancel this function.
- Page 65 Wired Controller 3.9 E-heater Setting E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be Once the wired controller or the remote controller enters the Heating mode, this function will be turned on automatically. Press Function in the Heating mode to enter the E-heater setting interface and then press Enter/Cancel to cancel this function.
- Page 66 Wired Controller 3.10 Blow Setting Blow function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to avoid mildew. In the Cooling or Dry mode, press Function till the unit enters the Blow setting status and then press Enter/Cancel to active this function.
- Page 67 Wired Controller 3.11 Other Functions a. Lock Upon startup of the unit without malfunction or under the “Off” state of the unit, press the same time for 5s till the wired controller enters the Lock function. In this case, LCD displays After that, repress these two buttons at the same time for 5s to quit this function.
- Page 68 Wired Controller Fig.4.2 Fig.4.2 shows the installation steps of the wired controller, but there are some issues that need your attention. 1) Prior to the installation, please firstly cut off the power supply of the wire buried in the installation hole, that is, no operation is allowed with electricity during the whole installation. 2) Pull out the four-core twisted pair line from the installation holes and then let it go through the rectangular hole behind the soleplate of the wired controller.
- Page 69 Wired Controller and connection lines between the indoor and outdoor unit, with a minimum interval of 20cm, otherwise the communication of the unit will probably work abnormally. If the air conditioning unit is installed where is vulnerable to electromagnetic interference,then the signal and communication lines of the wired controller must be the shielding twisted pair lines.
- Page 70 Wired Controller Table 5.1 Meaning of Each Error Error Error Error Error Code Code Return air temperature sensor open/ Drive board communication error short circuited evaporator temperature sensor open/ Compressor overheating protection short circuited Indoor unit liquid valve temperature Indoor and outdoor units unmatched sensor open/short circuited Indoor gas valve temperature sensor Communication line misconnected or...
- Page 71 If you wish to contact us by phone, please be sure to have your model number and serial number ready and call us between 9:00am and 6:00pm ET, at +1 866-954-4440. Keep tabs on Impecca's newest innovations & enter contests via our social network feeds: ...
- Page 72 © 2016 Impecca, a division of LT Inc., Wilkes Barre, PA.
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