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52 Chapter 6 Operation and Maintenance

Foc u sA ir I n - ro w Ai r Con d iti on e r U s er ´s M an u a l

(1) Off-line maintenance: open the rear door, remove the filter, and cut off the power supply of the air
conditioner;

(2) Pull out the plug-in terminals of the fan’s power cord and signal line and cut off the cable ties
corresponding to the fan’s wiring harness to facilitate the following operations;

(3) Loosen the screws of the fan fixing frame with a Phillips screwdriver and take out the fan assembly;

Item Description

❶

Fan power cord terminal

❷

Fan signal line terminal

❸

Fan fixing frame screw

❹

Limit point of fan guard

Fig. 6-2-1 Fan components of 300mm wide model

Содержание FocusAir ESM022

Страница 1: ...425684432205D User Manual Precision Air Conditioner...

Страница 2: ...d by force majeure or other external factors at client site Note Any of the above exemption clauses will not be covered by the warranty Customer service Shenzhen Kstar Science Technology Co Ltd provid...

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Страница 4: ...ter 5 Basic Operation 41 5 1 Overview 41 5 2 Introduction to the Touch Screen 41 5 3 Touch Screen Navigation 42 5 4 Basic Operation 43 Chapter 6 Operation and Maintenance 50 6 1 System Diagnosis and T...

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Страница 6: ...rantees the uninterrupted efficient and reliable operation of key equipment throughout the year The cooling capacity range of FocusAir series precision air conditioners 25 70kW The FocusAir series pre...

Страница 7: ...ssor system air cooled W Compressor system water cooled C Chilled water G Glycol dynamic natural cooling system R Air cooling fluorine pump refrigeration system 1 3 Main Components 1 3 1 Indoor Unit T...

Страница 8: ...rant migration during shutdown and reduce the risk of start up liquid shock of compressor Condensate drain pump Compact structure large flow and high lift ensure that the unit can overcome the height...

Страница 9: ...optional In northern areas when the outdoor environment temperature is lower than 5 in winter the fluorine pump function is activated and the outdoor natural cold source is used for cooling which imp...

Страница 10: ...istry of Information Industry The panel of the microprocessor controller is shown in Fig 1 3 1 Fig 1 3 1 Micro processing controller panel 1 3 4 Remote monitoring software FocusAir series air conditio...

Страница 11: ...he electrode humidifier cannot use deionized water or distilled water Conductivity 350 750 s cm 1 4 2 Storage The storage environment of in row air conditioners should meet the requirements of GB4798...

Страница 12: ...er are shown in Table 2 3 1 For unloading and transportation try to use mechanical handling tools such as hydraulic forklifts and electric forklifts to transport the equipment to the place closest to...

Страница 13: ...damage If any part is missing or damaged report to the carrier immediately If you find any concealed damage also report it to the carrier and the local office of the supplier 2 2 Installation Precauti...

Страница 14: ...erence only Item Description Item Description Suction temperature Oil filter Suction pressure Extension assembly Needle valve Outdoor unit Low pressure switch Cryogenic components Compressor Dry filte...

Страница 15: ...temperature Solenoid valve High pressure switch Electronic expansion valve Check valve Temperature and humidity sensor Electric heating belt Indoor fan Oil separator Evaporator Fig 2 3 2 Schematic di...

Страница 16: ...igerant during shutdown Item Description Item Description Reverse bend higher than the highest row of copper pipes in the condenser Liquid pipe must not be exposed to direct sunlight Oil trap Air pipe...

Страница 17: ...ompressor higher than condenser 2 3 3 Mechanical parameters 1 Indoor unit The mechanical parameters of the indoor unit are shown in Table 2 3 1 Table 2 3 1 Indoor unit dimensions unit mm Model Dimensi...

Страница 18: ...200 375 Remarks The parameters in this table are only the basic size of the product The specific size of the product can be adjusted according to the needs of projects Fig 2 3 5 Dimensional drawing of...

Страница 19: ...air may increase the load of heating cooling humidification and dehumidification of the system Therefore it is necessary to minimize the entry of outdoor air into the machine room It is recommended th...

Страница 20: ...t least D 100 mm must be reserved on the opposite side of the maintenance area Fig 2 4 1 Equipment maintenance air conditioner 2 4 4 Installation steps 1 Unit fixing holes Both the bottom and the top...

Страница 21: ...0 Air conditioner cabinet Width mm 300 300 600 Depth mm 1400 1100 1200 1100 1200 Size code L1 mm 1325 1025 1125 1025 1125 L2 mm 200 200 200 300 300 L3 mm 1310 1010 1110 1010 1110 L4 mm 160 160 160 400...

Страница 22: ...ter 2 Mechanical Installation 17 FocusAir In row Air Conditioner User s Manual Fig 2 4 3a Bottom view of 300mm wide model Fig 2 4 3b Bottom view of FS012 wide model Fig 2 4 4 Top view of 600mm wide mo...

Страница 23: ...ipe hole Bottom refrigerant gas pipe hole Bottom cable hole Bottom water inlet drain hole Base fixing bolt hole When the air conditioner base needs to be installed on site a shock absorbing strip EPDM...

Страница 24: ...as shown in Fig 2 4 8 with M10 bolts and then reinstall the filter support Fig 2 4 7 Removing filter support Fig 2 4 8 Installation of unit fixing bolts 4 Nitrogen discharge Before leaving the factor...

Страница 25: ...e Refrigerant liquid pipe 3 4 inch 15 88mm 15 88mm 19 05mm Refrigerant gas pipe 7 8 inch 19 05mm 19 05mm 22 00mm Humidification inlet pipe G3 4 inch external thread Gravity drain pipe ID15 OD22mm Wate...

Страница 26: ...ite pipeline specifications and the recommended dimensions in Table 2 5 5 Fig 2 5 1 Oil trap Table 2 5 5 Recommended size of oil trap A B C mm inch mm mm 19 05 3 4 34 150 22 7 8 36 150 25 4 1 1 45 150...

Страница 27: ...extended on site according to this hose specification the drainage height of the pump should not exceed 5m from the cabinet installation floor 6 Pipeline support The support of the refrigerant pipeli...

Страница 28: ...cording to Table 2 5 6 Pay attention to sealing and protection when the pipeline passes through the bottom plate hole to prevent air duct leakage and copper pipe damage The ends of the copper pipe sho...

Страница 29: ...llation When the equivalent length of the pipeline exceeds 30m an extension assembly should be installed Refer to Fig 2 3 3 for connection Note When installing extension assembly on site please note t...

Страница 30: ...egulations Item Description Water inlet solenoid valve External thread G3 4 connector Fig 2 5 3 Fastening of wet film humidification water inlet hose 8 Nitrogen filling Connect the pressure gauge and...

Страница 31: ...andard refrigerant charge volume of the system with a one way connecting pipe of 10m If the one way connecting pipe between the indoor unit and the outdoor unit is within 10m simply charge according t...

Страница 32: ...onal amount of refrigerant per unit length corresponding to different outer diameters of liquid pipes Outer diameter of liquid pipe mm Addition amount of refrigerant per unit length kg m Outer diamete...

Страница 33: ...mount of refrigerating oil added only needs to be calculated for the cryogenic components or energy saving modules namely The amount of refrigerating oil to be added to the system kg additional amount...

Страница 34: ...ipes connecting the indoor and outdoor units have been installed 4 The drain pipe has been connected 5 The water supply pipe of the humidifier has been connected when humidifier is configured 6 All pi...

Страница 35: ...For full load current please refer to the nameplate of the equipment The cable size should conform to the local wiring rules 3 Main power requirement 380V 50 60Hz 3N Standby power requirement 380V 50...

Страница 36: ...unit Model Configuration Maximum operating current A Recommended power cord specification mm2 copper core FS012 series Cooling model 17 5 4 6 0 1 6 0 Cooling humidification model 18 0 4 6 0 1 6 0 Con...

Страница 37: ...nvironment monitoring communication line 2 0 5 Group control communication line 2 0 5 Note The communication lines need to be outdoor shielded lines The electric control layout of the indoor unit of a...

Страница 38: ...ustomer wiring part reserves air break switch for outdoor unit power supply as shown in Fig 3 2 1 You can choose the power supply method of outdoor unit according to the on site situation Note The cab...

Страница 39: ...a with the outdoor unit through RS485 communication The wiring ports of the indoor unit are the outdoor A outdoor B and GND of the terminal block corresponding to X1 A2 X2 B2 and GND of the X1 termina...

Страница 40: ...standby unit every time the above situation occurs one standby unit will be automatically added until all the standby units are put into operation When the host is powered off or offline all the stan...

Страница 41: ...2 5A 1 5mm 10A KCS036 2 5A 1 5mm 10A KCS042 2 5A 1 5mm 10A KCS048 2 5A 1 5mm 10A KCS054 2 5A 1 5mm 10A KCS064 5 0A 2 5mm 10A KCS072 5 0A 2 5mm 10A KCS084 5 0A 2 5mm 10A KCS096 5 0A 2 5mm 10A Note 1 T...

Страница 42: ...3 The cable should not be in contact with high temperature objects copper pipes and water pipes without insulation in order to avoid damage to the insulation layer 4 After wiring the outdoor unit DIP...

Страница 43: ...or heating belt has been preheated for more than 12 hours 6 Ensure that the temperature of the machine room is above 20 C and has a certain thermal load If not first use other heating devices or manua...

Страница 44: ...ethod Enter the User parameters page and set the Set temperature value to be 5 C higher than the current ambient temperature 5 Humidifier commissioning Humidification mode triggering method Adjust the...

Страница 45: ...mality it indicates that the refrigeration function is normal Warning 1 After the refrigerant is statically charged it is forbidden to turn on the compressor immediately Before starting up ensure that...

Страница 46: ...anual operator uses the display shell of the general machine room air conditioner as the appearance which is a square chamfered design The display is a 4 3 inch FS012 or 7 inch FS025 FS070 true color...

Страница 47: ...tion of icons Table 5 3 1 Function of icons No Icon Name Parameter description Function description 1 Run Running status query 1 Click this icon to query the current system status and equipment operat...

Страница 48: ...ecord query page 7 Settings Set user parameters installation parameters manufacturer parameters 1 Set relevant operating parameters and alarm parameters on the user parameter page 2 Set the communicat...

Страница 49: ...ig 5 4 1 Parameter setting page 5 4 2 Initial state of system The system initializes after power on and the display shows service information and enters the home page 5 4 3 Home page display After pow...

Страница 50: ...5 4 4 Current fault view page On the home page if an alarm message appears it means that the current system is faulty Fig 5 4 3 Current fault interface On the home page click Alarm enter Query current...

Страница 51: ...nformation of a certain day Click Clear historical alarms to clear historical records Fig 5 4 5 Historical fault 5 4 7 Query of temperature and humidity curves Select the temperature and humidity curv...

Страница 52: ...n click the time setting on the user parameter interface click the corresponding number to pop up the keypad and then modify it directly 5 4 12 Communication It can communicate with the main board thr...

Страница 53: ...ist If you need to modify a user parameter follow the steps below Click the parameter to pop up the numeric keypad input the parameter and click Enter to modify it Table 5 4 1 Default user parameters...

Страница 54: ...s and parameter settings See the system parameter table for all system parameters To modify a system parameter the operation steps are the same as the user parameter setting method 5 4 17 Maintenance...

Страница 55: ...r air break switch of the control part to avoid damage to the control device due to high voltage 2 Statically check whether each contactor is flexible whether there is jamming or not 3 Use a brush or...

Страница 56: ...easuring instrument with a higher level of measurement accuracy note that the humidity control method should be relative humidity control during the process of calibrating the humidity sensor reading...

Страница 57: ...terminals of the fan s power cord and signal line and cut off the cable ties corresponding to the fan s wiring harness to facilitate the following operations 3 Loosen the screws of the fan fixing fra...

Страница 58: ...Air In row Air Conditioner User s Manual Fig 6 2 2 Pulling out terminals of fan power cord and signal line Fig 6 2 3 Removing screws of fan mounting bracket Fig 6 2 4 Removing fan assembly 4 Reinstall...

Страница 59: ...r cord and control line of the fan 4 Remove the fixing screws of the fan mounting frame and take out the fan Item Description Limit point of fan guard Protective net Fan mounting frame Mounting frame...

Страница 60: ...of the terminals 2 3 and remove the connecting wire of the differential pressure switch 3 Remove the 4 fixing screws from the base of the differential pressure switch pull out the pressure tube and th...

Страница 61: ...take out the pump 4 Install the new water pump according to steps 1 and 2 6 6 Maintenance of Electric Heater Optional Maintenance of electric heater for 300mm wide models 1 Turn off the air break swi...

Страница 62: ...fan installation hole to pull out the electric heater wiring terminal Fig 6 6 2 Unplugging the electric heater wiring terminal 4 Remove the electric heater fixing screw and then take out the electric...

Страница 63: ...r protective net 3 Unplug the electric heater wiring terminal Item Description PTC electric heater Protective net fixing screw Protective net Fig 6 6 4 Taking out the electric heater protective net 4...

Страница 64: ...7 1 2 Loosen the hose clamp connected to the water supply pipe on the wet film lift the wet film up and pull it out as shown in Fig 6 7 2 and replace it Item Description Captive screw Wet film humidi...

Страница 65: ...ion and Maintenance FocusAir In row Air Conditioner User s Manual Fig 6 7 2 Taking out the wet film 6 8 Maintenance of Electrode Humidifier Tools Phillips and slotted PH2 screwdriver Humidifier compon...

Страница 66: ...val of humidification barrel 1 Set the unit to OFF state open the rear door of the unit pull out the electric control box and remove the cover of the electric control box 2 Press the forced drainage r...

Страница 67: ...s to remove the humidifier from the base 8 Install a new humidification barrel by reversing the removal steps Note Before installing a new humidification barrel clean the humidification water supply p...

Страница 68: ...decided as appropriate It is recommended to conduct monthly inspections monthly cleaning if necessary and clean with clean water and soft brush Note Never use cleaners or solvents to clean the humidi...

Страница 69: ...rainage there is a separate rocker switch which needs to be consistent with the DIP switch Turn up the manual drainage switch DIP Start manual drainage Turn down the manual drainage switch DIP 6 9 Ref...

Страница 70: ...50 413 Maximum pressure 4000 580 6 9 3 Expansion valve Operation The automatic adjustment of the electronic expansion valve ensures that sufficient refrigerant is supplied to the evaporator to meet th...

Страница 71: ...etected and corrected early most compressor failures can be avoided Maintenance personnel shall regularly conduct maintenance and inspections for possible abnormal operation Instead of replacing the c...

Страница 72: ...ve the electric heating belt at the bottom of the compressor 5 Weld the suction pipe and exhaust pipe of the unit 6 Remove the faulty compressor 7 If the compressor is completely burned out clean the...

Страница 73: ...ding to the circuit diagram Fan fails Replace the fan Table 7 2 Compressor and refrigeration system troubleshooting Problem Possible cause Items to be checked or treatment method Compressor can t star...

Страница 74: ...he expansion valve Poor air distribution Check the air supply and return air system Condensing pressure is too low Check condenser failure Liquid flows back See the treatment method of Suction pressur...

Страница 75: ...em Possible cause Items to be checked or treatment method The heating system does not operate and the contactor does not engage The heating start condition is not reached Check the state of the contro...

Страница 76: ...an cushion is aging or damaged ___ 4 Whether the lightning protection board is still effective if equipped It is best to check once a week in thunderstorm seasons ___ 5 The refrigerant pipeline is pro...

Страница 77: ...6 The temperature switch is at the specified setting value ___ 7 The refrigerant pipeline is properly supported ___ 8 Check and tighten the circuit connectors Refrigeration cycle system ___ 1 Check t...

Страница 78: ...temperature solder in the diode contains lead the resistor glass uranium contains lead exempt the electronic ceramic contains lead exempt 2 The switch contacts of the power distribution part contains...

Страница 79: ...MCU1 NO5 High water level switch push in terminal X31 X32 SP4 MCU1 DI4 X8 6 P2 L COM4 Common COM2 Common X25 4 X27 4 T H1 Return air temperature and humidity 1 SNMP board MCU8 MCU4 IN MCU1 AI2 MCU1 AI...

Страница 80: ...ter board To compressor To reactor Communication port MCU5 EV1 EV1 Liquid pipe solenoid valve Inverter compressor system X2 2 X3 2 X4 2 X5 2 FU1 FU2 FU3 1 2 Ua 5 Ub 6 Uc 7 Un 8 1 2 A 3 B 4 RS485 10 11...

Страница 81: ...inal QF6 L1 QF2 L1 QF3 QF5 X7 Wet film water inlet solenoid valve Heating contactor X7 2 1 ON 1 OFF 0 00 1 01 2 10 3 11 4 SW602 4 3 2 1 ON 1 OFF 0 SW603 Inverter address DIP compressor model DIP 0000...

Страница 82: ...l 10V N L GND VSP FG 10V N L GND VSP FG Fan 5 Fan 6 Blue Yellow Red Yellow green Brown White Blue Blue Yellow Red Yellow green Brown White Blue FAN1 Blue Yellow Red 10V Yellow green Brown N L White GN...

Страница 83: ...oor unit communication 1 2 Smart ammeter Power monitor A B Remote temperature and humidity CAN interface networking 1 fan failure air loss switch 2 fan failure 3 fan failure Filter differential pressu...

Страница 84: ...Group control A B Power environment Outdoor unit communication A B GND COM COM Outdoor power Customer terminal block Main power supply L1 L2 L3 N PE backup power supply L1 L2 L3 N PE Customer termina...

Страница 85: ......

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