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NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)

5 System Operation and Maintenance

Issue 05 (2019-12-20)

100

Step 7

Use a Phillips screwdriver to remove the four screws that secure the electric heater and
remove the electric heater, as shown by (2) in

Figure 5-3

Step 8

Install the new electric heater in the sequence from

Step 7

Step 3

Step 9

Power on the equipment, choose

Maintain

Performance Maintain

on the home screen,

and clear the total runtime of the electric heater.

Step 10

Tap

on the home screen, and tap

Yes

on the start confirmation screen displayed.

Ensure that the smart cooling product is running normally without any alarms.

----End

5.4.1.4 (Optional) Replacing a Wet Film Humidifier

Prerequisites



A wet film humidifier needs to be replaced.



A spare wet film humidifier of the same model is available and functional.

Context



Tool: Phillips screwdriver

Procedure

Step 1

Hold down

on the home screen. Tap

Yes

on the shutdown confirmation screen

displayed.

Step 2

Open the front door, and turn off the indoor unit circuit breaker and circuit breaker in the
power distribution cabinet.

Step 3

Use a Phillips screwdriver to remove the six screws that secure the fan cover, and remove the
fan cover, as shown by (1) and (2) in

Figure 5-4

Содержание NetCol500-A022

Страница 1: ...NetCol8000 A013 In room Air Cooled Smart Cooling Product User Manual 800 mm Width Issue 05 Date 2019 12 20 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...tomer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to c...

Страница 3: ...ngineers Hardware installation personnel Commissioning engineers Data configuration engineers Maintenance personnel Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoided cou...

Страница 4: ...elated to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 05 2019 12 20 Updated the safety information Issue 04 2019 09 18 Updated the 808 alarm Issue 03 2019 01 15 Updated the manual name Issue 02 2018 12 10 Optimized the content of installation...

Страница 5: ...hers 10 2 Product Description 11 2 1 Model Description 11 2 2 Composition 12 2 2 1 Overview 12 2 2 2 Main Components 14 2 2 2 1 Indoor Unit 14 2 2 2 2 Outdoor Unit 16 2 2 2 3 Controller 18 2 2 2 4 Monitoring System 19 2 2 3 Physical Ports 19 2 2 4 Operating Environment Specifications 20 2 2 5 Technical Specifications 21 3 Installation Guide 25 3 1 Tools 25 3 2 Materials 27 3 2 1 Optional Refrigera...

Страница 6: ...es 54 3 11 6 Cable Routes 56 3 12 Leakage Test with Nitrogen 57 3 13 Vacuumization 59 3 14 Verifying the Installation 61 4 Power On Commissioning 62 4 1 Controller Description 62 4 2 Equipment Power On 64 4 3 Setting Temperature and Humidity Values 69 4 4 Optional Setting Teamwork Parameters 70 4 5 Optional Setting Monitor Parameters 73 4 6 Commissioning Procedure 74 4 7 Checking After Commissioni...

Страница 7: ...ice Running State 119 6 3 How Do I Check Teamwork State 121 6 4 How Do I Query Device Runtime 122 6 5 How Do I Query Alarms 123 6 6 How Do I Perform User Settings 126 6 7 How Do I Reset a User Password 128 6 8 How Do I Set Alarm Parameters 131 6 9 How Do I Restore Default Settings 135 6 10 How Do I Set the Administrator New Password 138 6 11 How Do I Clear Total Runtime of a Device 142 6 12 How Do...

Страница 8: ...lling operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in relevant international or national standards Unauthorized modif...

Страница 9: ...ndling a conductor surface or terminal measure the contact point voltage and ensure that there is no risk of electric shock After installing the equipment remove idle packing materials such as cartons foam plastics and cable ties from the equipment area In the case of a fire immediately leave the building or the equipment area and turn on the fire alarm bell or make an emergency call Do not enter ...

Страница 10: ...uipment with scratches cannot be exposed to an outdoor environment for a long period of time Before operations ensure that the equipment is firmly secured to the floor or other solid objects such as a wall or an installation rack Do not use water to clean electrical components inside or outside of a cabinet Do not change the structure or installation sequence of equipment without permission Do not...

Страница 11: ...ions and are clear of the sources and degree of various potential hazards in equipment installation operation maintenance Trained personnel personnel who are technically trained have required experience are aware of possible hazards on themselves in certain operations and are able to take protective measures to minimize the hazards on themselves and other people Operators operation personnel who m...

Страница 12: ...routing cables ensure that a distance of at least 30 mm exists between the cables and heat generating components or areas This prevents damage to the insulation layer of the cables Do not route cables behind the air intake and exhaust vents of the equipment Ensure that cables meet the VW 1 flame spread rating requirements Bind cables of the same type together When routing cables of different types...

Страница 13: ...ion Environment Requirements To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Install the equipment in an area far away from liquids Do not install it under areas prone to condensation such as under water pipes and air exhaust vents or areas prone to water leakage such as air conditioner vents ventila...

Страница 14: ...s to warn away irrelevant personnel Carry the operation machinery and tools properly to prevent them from falling off and causing injuries Personnel involving working at heights are not allowed to throw objects from the height to the ground or vice versa Objects should be transported by tough slings hanging baskets highline trolleys or cranes Ensure that guard rails and warning signs are set at th...

Страница 15: ...eck that it is intact and confirm its load bearing capacity Do not overload it Ensure that the ladder is securely positioned The recommended angle for a ladder against the floor is 75 degrees as shown in the following figure An angle rule can be used to measure the angle Ensure that the wider end of the ladder is at the bottom or protective measures have been taken at the bottom to prevent the lad...

Страница 16: ...net be aware of unstable or heavy objects on the cabinet Be cautious to avoid injury when moving heavy objects When moving the equipment by hand wear protective gloves to prevent injuries Move or lift the equipment by holding its handles or lower edges Do not hold the handles of modules such as power supply units fans and boards that are installed in the equipment because they cannot support the w...

Страница 17: ...tion to high pressure components such as the compressor and refrigerant pipe to prevent the refrigerant system from being cracked or exploded due to misoperations Refrigerant Frostbite Refrigerant leakage may cause frostbite Take protective measures for example wear antifreeze gloves when handling refrigerant Storage and Recycling Do not store devices near a heat source or under direct sunshine Ke...

Страница 18: ...ual 800 mm Width 2 Product Description Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 11 2 Product Description 2 1 Model Description The NetCol8000 A013 indoor unit matches the NetCol500 A022 outdoor unit Figure 2 1 NetCol8000 Aindoor unit model description ...

Страница 19: ...ific model and do not indicate optional items For details about the optional configuration of the product see the section of technical specifications 2 2 Composition 2 2 1 Overview Fans absorb indoor hot air that then moves to the evaporator with heat transmitted to the refrigerant The refrigerant is exhausted to the outdoor unit using the compressor releasing heat to the outdoor environment The i...

Страница 20: ...0 A013 In room Air Cooled Smart Cooling Product User Manual 800 mm Width 2 Product Description Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 13 Figure 2 3 Components 1 NetCol8000 A013 2 NetCol500 A022 ...

Страница 21: ...art Cooling Product User Manual 800 mm Width 2 Product Description Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 14 2 2 2 Main Components 2 2 2 1 Indoor Unit Appearance and Dimensions Figure 2 4 Appearance and dimensions Unit mm ...

Страница 22: ...ial fan is used which supports stepless speed adjustment Evaporator The evaporator adopts the inner threaded copper pipe and blue hydrophilic aluminum foil to prevent water blowing due to condensate water accumulation and improve heat exchange performance The evaporator uses the I type design reducing the air resistance and improving the sensible heat ratio EEV The throttling device is a name bran...

Страница 23: ...ble operating Wet film humidifier The wet film humidifier has low water quality requirements and high environment adaptability It has a simple structure and is easy to remove clean and maintain It consumes less power saving more than 95 of energy compared with a traditional electrode humidifier Stop valve The stop valve connecting the inner and outer pipes can be connected without welding Huawei s...

Страница 24: ...r provides the cooling capacity ranging from 30 to 100 Oil separator It is an oil gas separator which separates the lubricant brought out due to exhaustion of the compressor and brings back the separated lubricant to the compressor Dryer It absorbs water from the refrigerant pipes and dryers the foreign matter which reduces component damage rates and improves operating efficiency and reliability I...

Страница 25: ...shows the controller Figure 2 8 Controller appearance Teamwork Control The controller has powerful teamwork control functions Each smart cooling product is equipped with a controller Based on the site requirements a maximum of 32 smart cooling products in one area can be grouped for linkage control with smart cooling product 1 as the master to implement central control and management Teamwork cont...

Страница 26: ...ions Figure 2 9 Monitoring Modbus RTU 2 2 3 Physical Ports Table 2 1 Physical ports Item Specifications Indoor unit Refrigerant liquid pipe Outer diameter 3 8 inch 9 52 mm sealing stop valve for the end face Refrigerant gas pipe Outer diameter 3 4 inch 19 05 mm sealing stop valve for the end face Humidifier water inlet pipe G 1 2 inch Drainpipe BSPP 3 4 inch Outdoor unit Refrigerant liquid pipe Ou...

Страница 27: ...umidity adjustment precision 5 RH Storage temperature 40 C to 70 C indoor unit 40 C to 70 C outdoor unit without refrigerant 40 C to 55 C outdoor unit with refrigerant Storage humidity 5 95 RH non condensing Applicable outdoor temperature 20 C to 55 C Altitude 0 4000 m When the altitude exceeds 1000 m the power should be derated For detailed derating data see Table 2 3 Table 2 3 Derating coefficie...

Страница 28: ... and the temperature should be in the range of 1 C 40 C The wet film humidifier should use tap water that meets the following requirements Non freezing Nephelometric Turbidity Units NTU 3 No visible substances 6 5 pH value 8 5 Total hardness in CaCO3 450 mg L For details refer to the GB 5749 2006 Standards for Drinking Water Quality Power requirements Earth leakage circuit breakers are not recomme...

Страница 29: ...d humidifier without outdoor unit 5 A Indoor unit with heater and humidifier without outdoor unit 26 A The outdoor unit take electricity from the indoor unit with outdoor unit 30 A Pipe routing Bottom and side pipe routing Cabling mode Bottom and side cabling IP rating IP20 Dimensions H x W x D 1886 mm x 800 mm x 664 mm Package dimensions H x W x D 2050 mm x 900 mm x 765 mm Net weight full configu...

Страница 30: ...ecifications Item NetCol500 A022 Power specifications 220 240 V AC 50 Hz or 60 Hz 1Ph Voltage tolerance 15 to 10 frequency tolerance 3 Hz Max Current 30 A Number of fans 2 Net Gross weight 117 kg 135 kg Protection level IPX4 Environment class Class B Altitude 0 4000 m derating at above 1000 m Certification CQC CE CCC RoHS REACH WEEE SASO Outdoor unit installation environments are classified as fol...

Страница 31: ...on Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 24 Class C harsh environment marine environments within 3 7 km from the coast or outdoor land environments with simple shielding measures within 1 2 km from a pollution source Class D marine environment environments within 500 m from the coast ...

Страница 32: ...lation Guide 3 1 Tools Table 3 1 General tools Name Specifications and Appearance Protective gloves Marker Measuring tape 5 m Step ladder 2 m Adjustable wrench 6 Phillips screwdriver M4 and M6 Flat head screwdriver 2 5 mm Torque wrench Right angle Socket wrench M6 M8 and M12 Hex key 5 mm Pipe bender Cutter Diagonal pliers Cable ties Polyvinyl chloride PVC insulation tape ...

Страница 33: ...ame Specifications and Appearance Wire stripper Flashlight Multimeter Crimping tool Hammer drill Pallet truck N A N A N A N A Table 3 2 Special tools Name Specifications and Appearance Antifreeze gloves Electric balance Welding torch 5 silver solder Oxygen Acetylene Hot melt device Clamp meter Insulation gloves Pressure gauge 1 PCS a Leather hose 3 PCS a Nitrogenb ...

Страница 34: ...lve must be installed on the head of the nitrogen cylinder and the reducing valve range 4 0 MPa d Vacuum pump airflow 2 4 L s absolute vacuum 60 Pa e For equipment with humidifiers ensure that the following requirements are met Applicable to all pipe materials Anaerobic metal pipe thread sealant with PTEF as the padding Maximum gap 0 5 mm Pressure resistance above 1 6 MPa Compliant with the indust...

Страница 35: ...esponds to the measured external surface temperature according to Table 3 3 and calculate the deviation from the measured internal pressure If the deviation is more than 0 2 MPa the refrigerant is not qualified and should be replaced Figure 3 1 Checking refrigerant Table 3 3 Mapping between temperatures and R410Asaturation pressure Temperature C Saturation Pressure S urface Pressure MPa Temperatur...

Страница 36: ...e Pressure MPa 13 1 09 32 1 89 51 3 04 14 1 12 33 1 94 52 3 11 15 1 16 34 1 99 53 3 19 16 1 19 35 2 04 54 3 26 17 1 23 36 2 1 55 3 34 18 1 27 37 2 15 N A N A 3 2 2 Pipes Oil Trap Figure 3 2 shows the oil trap specifications Figure 3 2 Oil trap unit mm Gas Pipe Liquid Pipe and Thermal Insulation Foam Optional Table 3 4 lists the specifications for pipes and thermal insulation foam Table 3 4 Specifi...

Страница 37: ...m 13 mm Water Pipe Figure 3 3 shows how to connect a drainpipe Figure 3 3 Connecting a drainpipe 1 Drainpipe connector BSPP 3 4 inch 2 Rigid pipe conversion adapter BSPT 3 4 inch connected to a rigid pipe with outer screw threads 3 Rigid pipe made of PP R or other material The object shown in the broken line box is reserved port of the smart cooling product The conversion adapter and rigid pipe ne...

Страница 38: ... made of PP R or other material 4 Pagoda conversion adapter G 1 2 inch connected to a pipe with outer screw threads 5 Hose clamp 6 Hose made of EPDM or other material The object shown in the broken line box is reserved port of the smart cooling product The hose clamp is configured in standard configuration Other parts are not configured and need to be purchased onsite 3 2 3 Pipe Support Figure 3 5...

Страница 39: ...otective hoses Table 3 5 Cable specifications Application Scenario Specifications Remarks Indoor unit power cable optional Electrical power cable 600 V 1000 V ZA RVV 5 x 6 mm2 black five core wires 46 A outdoor cable CE Cable should not be lighter than normal PVC sheathed flexible cord IEC 60227 53 The length is determined by site survey Naked crimping terminal OT 6 mm2 M6 50 A tin plating 12 8 AW...

Страница 40: ... air may increase the load of system heating cooling humidification and dehumidification Therefore it is recommended that outdoor air be prevented from entering the equipment room The incoming outdoor air should be less than 5 of the entire indoor airflow All doors and windows should be closed and the gap should be minimal Installation Space To ensure the normal operation of the indoor unit select...

Страница 41: ...n Guide Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 34 Figure 3 6 Space requirements side pipe routing Figure 3 7 Space requirements bottom pipe routing 3 3 2 Space Requirements Single Outdoor Unit A single outdoor is recommended to be installed against a wall as shown in Figure 3 8 ...

Страница 42: ...8 Space requirements for installing an outdoor unit against a wall If the outdoor unit cannot be installed against a wall or the local outdoor temperature may be below 5 C place an air baffle at the air intake side of the outdoor unit based on Figure 3 9 Figure 3 9 Space requirements for installing an air baffle Installing an outdoor unit on a wall as shown in Figure 3 10 ...

Страница 43: ...sonnel to walk Grid structure is recommended to avoid the air exhaust and intake of the smart cooling product being affected by an guardrail structure The picture is only for reference adjust based on the actual situation if necessary Multiple Outdoor Units When multiple outdoor units are to be installed if they cannot be installed against a wall or the local outdoor temperature may be below 5 C p...

Страница 44: ...ection along the gas pipe If the indoor unit is placed higher than the outdoor unit the maximum height deviation between them should be less than or equal to 5 meters The height deviation refers to the distance from the stop valves of the indoor unit to the stop valves of the outdoor unit in the figure is a sign of a tilt and it indicates that the scale of the pipe tilting is 1 200 The pipe tiltin...

Страница 45: ...s Co Ltd 38 3 5 Holes Introduction Figure 3 13 Holes of bottom plate 1 Humidifier water inlet pipe hole 2 Liquid pipe hole 3 Gas pipe hole 4 Power cable hole 5 Signal cable hole 6 Drainpipe hole Figure 3 14 Holes of side plate 1 Drainpipe hole 2 Signal cable hole 3 Power cable hole 4 Humidifier water inlet pipe hole 5 Liquid pipe hole 6 Gas pipe hole ...

Страница 46: ...the door lock using a key and open the front door Step 2 Remove the air filters Figure 3 16 Removing an air filter Step 3 Take out the desiccant bag Step 4 Check whether any of the needle valve bonnets shown in Figure 3 17 is missing by turns 1 If they do not exist contact Huawei technical support 2 If they exist remove each valve bonnet and use it to press the valve plugs in turn If nitrogen is e...

Страница 47: ... Installation Guide Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 40 Figure 3 17 Positions of the needle valves 1 Low pressure needle valve End 3 7 Securing an Indoor Unit Procedure Step 1 Remove the four bolts securing the pallet using an adjustable wrench or socket wrench ...

Страница 48: ... Huawei Technologies Co Ltd 41 Figure 3 18 Removing bolts that secure the pallet Step 2 Prepare the base or floor mounting holes according to the following figure Figure 3 19 Mounting hole sizes Step 3 Move the smart cooling product to the installation position Step 4 Secure the indoor unit to the base or floor using a torque wrench ...

Страница 49: ...3 Installation Guide Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 42 Figure 3 20 Securing an indoor unit End 3 8 Securing an Outdoor Unit Prerequisites The M10 expansion bolts used for securing an outdoor unit have been prepared The concrete groundwork is prepared Context ...

Страница 50: ... Do not touch the blades using hand or any other object After installing the outdoor unit remove the protective cardboard of condenser fin Procedure Step 1 Determine the four mounting holes of the outdoor unit based on the installation dimensions and drill holes in the concrete base Step 2 Align the outdoor unit mounting holes with the holes in the concrete base and secure the outdoor unit to the ...

Страница 51: ...ty Take appropriate sealing and protective measures when routing welded pipes through holes to prevent air channel leaks and copper pipe damage Otherwise other components may be damaged by impurities Avoid elbows and ensure that the connection between the indoor and outdoor units is the shortest The refrigerant pipes should be wrapped with thermal insulation foam Procedure Step 1 Weld pipes in the...

Страница 52: ...kg before delivery To avoid refrigerant leaks do not open the outdoor unit stop valve during welding process 1 Weld the adapter and the straight section of the engineering pipe outside the cabinet 2 Remove the pipe nut from the liquid pipe stop valve and gas pipe stop valve using an adjustable wrench Check that the PTFE washer on the stop valve and the inner protruding surface of the active connec...

Страница 53: ...ing a 36 torque wrench to a torque of 50 52 N m When tightening a stop valve using a torque wrench secure the hex nut of the active connector at the welded copper pipe to prevent the copper pipe from turning and further deforming as the stop valve is being tightened Figure 3 24 Connecting outdoor unit stop valves 4 Tighten the pipe nut needle valve nut and rear cover nut based on the torque listed...

Страница 54: ... ng Torque N m Nut Size Tighteni ng Torque N m Liquid pipe stop valve 27 35 37 17 10 19 15 17 Gas pipe stop valve 36 50 52 17 10 30 20 22 Step 3 Weld the indoor unit pipes Side pipe routing Open the knock out hole on the side panel and weld the gas liquid connection and the straight section of the engineering pipe outside the cabinet Open the pipe nut of the stop valve and tighten the welded pipe ...

Страница 55: ...ttom pipe routing End 3 10 Connecting Water Pipes 3 10 1 Optional Connecting the Humidifier Water Inlet Pipe Context This section applies only to models with humidifiers The smart cooling product water inlet pipe inside the cabinet can be routed from the bottom or side Determine the pipe routing mode based on site conditions Figure 3 28 shows how to connect a water inlet pipe ...

Страница 56: ... with outer screw threads 3 Rigid pipe made of PP R or other material 4 Pagoda conversion adapter G 1 2 inch connected to a pipe with outer screw threads 5 Hose clamp 6 Hose made of EPDM or other material The object shown in the broken line box is reserved port of the smart cooling product The hose clamp is configured in standard configuration Other parts are not configured and need to be purchase...

Страница 57: ...e based on site requirements Step 2 Connect the external water inlet pipe and route pipes inside the cabinet according to the actual conditions Step 3 Secure water pipes to the pipe assembly using cable ties and seal the pipe hole using firestop putty End 3 10 2 Connecting the Condensate Drainpipe Context The smart cooling product condensate drainpipe inside the cabinet can be routed from the bott...

Страница 58: ...h reserved port 2 Rigid pipe conversion adapter BSPT 3 4 inch connected to a rigid pipe with inner screw threads 3 Rigid pipe made of PP R or other material Procedure Step 1 Install the rigid pipe conversion adapter to the drainpipe connector Step 2 Route the external drainpipe into the cabinet through the side plate or bottom plate Connect the external drainpipe to the rigid pipe conversion adapt...

Страница 59: ... End 3 11 Connecting Cables 3 11 1 Cables to be Connected Connections of all power cables control cables and ground cables must comply with the local electrical code and the cable specifications should comply with the local cabling specifications For details about the currents in full load see the NetCol8000 A nameplate The cable dimensions must comply with the local cabling rules Primary power su...

Страница 60: ...the Indoor Unit Power Cable The indoor unit power cable needs to be configured by the customer The general power cable of the indoor unit must be reliably secured by a cable clip Figure 3 34 shows how to connect the indoor unit power cable Figure 3 34 Connecting the indoor unit power cable 3 11 3 Optional Connecting the Indoor Unit Signal Cables Figure 3 35 Signal terminals Table 3 7 Signal termin...

Страница 61: ...nit Power Cable and the Signal Cable Between Indoor and Outdoor Units Connect the L N and GND wires of the outdoor unit to the L N and GND terminals of the indoor unit Connect the P Q and E wires of the outdoor unit to the X2 1 X2 2 and X2 3 terminals of the indoor unit The signal cables of indoor and outdoor units must be shielded cables and the shielding layer must be reliably grounded Figure 3 ...

Страница 62: ...ommunications Pin2 RTU RS485 D Pin3 GND1 Pin4 Null Pin5 Null Pin6 GND2 Teamwork communications Pin7 GROUP RS485 D Pin8 GROUP RS485 D The cables must be shielded cables and the shielding layer must be reliably grounded Connecting Teamwork Cables NetCol8000 A013 supports teamwork networking hand in hand In networking a maximum of 32 smart cooling products can be teamworked After power on choose Sett...

Страница 63: ...art cooling products hand in hand and connect the CN17 port on the first smart cooling product to the monitoring device An 255 In teamwork networking connect the CN17 port on the first smart cooling product in the teamwork networking to the monitoring device An 32 Considering the monitoring speed it is recommended that An be less than or equal to 8 Figure 3 38 Connecting the RS485 monitoring 3 11 ...

Страница 64: ...3 12 Leakage Test with Nitrogen Context The leakage test with nitrogen described in this section is dedicated for testing the leaks of the indoor unit and the pipes connected to it The measuring range of the pressure gauge must be greater than or equal to 4 0 MPa and the tolerance range of the leather hose must be greater than or equal to 4 5 MPa During the pressure preservation process do not rem...

Страница 65: ...lve must not exceed 3 0 MPa If the outlet pressure of the reducing valve is greater than 3 0 MPa components may be damaged Figure 3 40 Leakage test with nitrogen 1 Nitrogen cylinder 2 Reducing valve 3 Pressure gauge 4 Needle valve of gas pipe stop valve 5 Needle valve of liquid pipe stop valve Step 3 Inject 3 0 MPa nitrogen and preserve the pressure for 24 hours The system pressure should stay con...

Страница 66: ...ipe of the outdoor unit are closed Context Tools pressure gauge measuring range 4 0 MPa leather hose withstanding a pressure of at least 4 5 MPa vacuum pump Procedure Step 1 Connect the pressure gauge and vacuum pump and check that the pressure gauge valves are all open Figure 3 41 Vacuumization 1 Vacuum pump 2 Pressure gauge 3 Needle valve of gas pipe stop valve 4 Needle valve of liquid pipe stop...

Страница 67: ...erform vacuum pumping so that the pressure gauge stays at the smallest scale and preserve the pressure for 1 hour Then check whether the pressure displayed on the gauge has an obvious increase Step 6 After making sure that the pressure gauge has no obvious increase open the stop valves for the gas pipe and liquid pipe of the outdoor unit After the outdoor unit stop valve is opened the refrigerant ...

Страница 68: ...r cables and signal cables are connected as required Indoor and outdoor units are properly grounded Cables are not damaged or over bent The rated specifications of the upstream switch meet the maximum current requirement Passed Failed Cabinet The cabinet is installed properly without any tilt The cabinet is secured The foreign matter inside the cabinet such as cable ties and cable cuts is cleaned ...

Страница 69: ...ller Description Figure 4 1 Controller Table 4 1 Key details No Icon Name Function Description 1 Alarm query On any screen press this key to view active alarms If alarm sound is generated press this key to mute the sound until the next different alarm is raised If a alarm needs to be cleared manually press and hold this key for 3 seconds to generate a prompt tone prompting that it has been elimina...

Страница 70: ... On a menu screen press this key to access the next level menu screen On the bottom level submenu screen press this key to make the configurable parameter where the cursor is located enter the modification status When modifying a parameter press this key to complete parameter modification 6 Up On a menu screen press this key to move the cursor up When modifying a parameter if the cursor is located...

Страница 71: ...rator menu must be modified by certified technical personnel Unauthorized modification may cause the smart cooling product to work abnormally or even be damaged Huawei is not liable for any damage caused by unauthorized modification For system security purposes change the preset password after first login The preset passwords for the setting and maintenance menus are as follows Table 4 2 Preset pa...

Страница 72: ...B simultaneously Step 2 Open the front door Switch on the main circuit breaker for the indoor unit and the smart cooling product display panel will automatically light up Figure 4 2 Display panel starting The crankcase heating belt of the compressor starts working after the equipment is energized Ensure that the crankcase heating belt has been preheated for more than 12 hours before starting the c...

Страница 73: ...gies Co Ltd 66 Figure 4 3 Initial startup screen Step 4 Obtain the 8 digit startup password for this model through the Service Expert app based on the model barcode and verification code 1 Open the Service Expert app 2 Tap StartUp on the home screen of the app Figure 4 4 Offline boot 3 Tap Offline Activation and the screen shown in the following figure ...

Страница 74: ...startup password 5 Enter the startup password generated by the app in the dialog box displayed on the smart cooling product display panel to start the smart cooling product If an incorrect password has been entered the current screen is still displayed and the screen for normal operations cannot be displayed If the correct password has been entered the screen for normal operations is displayed The...

Страница 75: ...cation status If the humidifier is started 100 is displayed If the humidifier is shut down 0 is displayed 5 Dehumidification status If the equipment enters the dehumidification mode 100 is displayed If the equipment exits from the dehumidification mode 0 is displayed 6 Lock icon If the password has not been entered or an incorrect password has been entered this icon exists After the correct passwo...

Страница 76: ...con blinks Otherwise this icon does not exist End 4 3 Setting Temperature and Humidity Values Procedure Step 1 Tap and choose Setting User Menu by pressing the or key to access the screen for entering the password for the user menu Figure 4 7 Screen for entering the password for the user menu Step 2 Enter the password to access the submenu screen If the password is incorrect the Wrong Password Ent...

Страница 77: ...d press to set up and then press to confirm when you are finished Figure 4 8 Temperature and humidity setting Step 4 After the setting is complete tap to return to the user menu End 4 4 Optional Setting Teamwork Parameters Procedure Step 1 Determine the positions of the master unit and slave unit based on the site situation Step 2 Choose Teamwork Setting from the user menu and tap to access the te...

Страница 78: ...t Address of the slave unit to an integer other than 1 Step 5 Set other parameters based on the following table Table 4 4 Teamwork setting Setting Item Description Setting Principle Default Value Teamwork Function Indicates whether to disable or enable the teamwork function If the function is disabled a unit operates independently If the function is enabled a unit operates in a team with other uni...

Страница 79: ...cts in a group 3 Active Units in Group Indicates the number of running units in a group The value is an integer ranging from 1 to the number of units in a group Assign the address 1 to the master unit and assign addresses starting from 2 consecutively to all running units in a group Remaining units will be regarded as standby units 2 Rotation Function Indicates whether to disable or enable the act...

Страница 80: ...art All N A You are advised not to change the value 31 C Low Temp Start All When it is enabled if the return air temperature is higher than Low Temp Start All all the smart cooling products in a group will start heating simultaneously You are advised not to change the value Disable Temp for LT Start All N A You are advised not to change the value 13 C Step 6 After the setting is complete tap to re...

Страница 81: ... the EMS 9600 Comm Address The communications addresses of smart cooling products controlled by one element management system EMS must be different The communications addresses are independent of cable routing addresses and teamwork addresses 1 Enable Monitoring Resistor In an EMS the values for the first and last smart cooling products by cable routing are Yes No End 4 6 Commissioning Procedure C...

Страница 82: ...for the positive pressure inside the refrigerant pipe of the indoor unit Step 4 Change the input of the outdoor fan to 100 After checking that the outdoor fan rotates normally and no alarm is raised change the input of the outdoor fan to 0 Step 5 Change the input of the indoor fan to 100 and tap On for the electric heater 1 Check whether the indoor fans run properly and no alarm is generated 2 If ...

Страница 83: ...g parameters Outdoor Ambient Temperature Normal Discharge Pressure Range Normal Suction Pressure Range Reasonable Suction Superheat Degree Supercool Below 15 C 1 5 2 5 MPa 0 7 1 2 MPa 4 10 C 3 5 C 15 35 C 1 5 3 1 MPa 35 45 C 2 5 3 8 MPa Above 45 C 3 1 4 15 MPa 3 On the diagnostic mode screen change the compressor input to 0 rpm Step 7 Commission the humidifier 1 Confirm that the upstream inlet val...

Страница 84: ...p 9 Exit the diagnostic mode End 4 7 Checking After Commissioning Table 4 8 Check items Check Item Result No oil stain exists on the copper pipe thermal insulation foam or bottom plate Passed Failed The needle valve plug is secured torque of 0 45 0 05 N m and the valve bonnet is tightened Passed Failed The foreign matter inside the water pan and bottom plate is cleaned up Passed Failed The air fil...

Страница 85: ...ons Personnel who will install operate and maintain Huawei equipment must receive thorough training understand all necessary safety precautions and be able to correctly perform all operations Pay attention to the safety symbols on the equipment and all safety instructions in this document The safety precautions given in this document do not cover all safety precautions Huawei will not be liable fo...

Страница 86: ...idifier float Check that the wet film is clean and have no scale If there is much water scale replace the wet film humidifier Check that no operating overtime alarm is generated for the humidifier Replace the wet film humidifier Refrigerant pipe and water pipe Check that the refrigerant pipe is free of oil stains and rust Check for leakage and repair the pipe Check that the water pipe is tightened...

Страница 87: ...ring unit Export smart cooling product logs alarms temperature humidity the operating status of the compressor fan electric heater wet film humidifier and water pump and time View the historical alarms generated in this year and select the most common five ones Rectify the fault or contact Huawei technical support Electric control box components Check that the electrical components and control com...

Страница 88: ...and damage equipment Table 5 4 Troubleshooting Cate gory Symptom Possible Cause Measure Indo or unit The indoor unit fails to start The indoor fan is damaged Replace the indoor fan The drive board of the indoor fan is damaged Replace the drive board of the indoor fan The heating function fails The electric heater temperature switch is protected Check the temperature switch If it is protected due t...

Страница 89: ...during operation The compressor fan or pipes are loose Check and secure loose parts The compresso r does not work The high and low pressure switches are triggered Check the high and low pressure switches The switch or cable is disconnected Check the main switch and cables The compressor is damaged Replace the compressor The compressor does not need to start Check for the temperature and humidity s...

Страница 90: ...py water or use a halogen leak detector to check for any leakage If leaking points are found retrieve the refrigerant and weld the leaking points again Contact Huawei technical support The condensing pressure is too low Check whether the outdoor temperature is too low and whether the outdoor fan is under control Liquid is returning to the compresso r The indoor temperature is too low Increase the ...

Страница 91: ...blocked 3 Check the fan cable connections 4 Replace the fan drive or indoor fan 5 Do not power on and restart the equipment immediately after a power failure occurs 103 InFan Comm Interrupt Alarm Turn off all 1 Cables to the indoor fan are disconnected 2 The plug of the indoor fan module board is loose 3 The indoor fan module board is faulty 1 Check the cable connections to the indoor fan 2 Check ...

Страница 92: ...ow pressure sensor is faulty 6 The liquid solenoid valve is faulty 7 Refrigerant leaks 8 The indoor unit is not properly installed 9 The stop valve is not fully open 10 The connecting pipe is bent 11 The EEV is faulty 1 Clean the evaporator fins 2 Maintain or replace the indoor air filter 3 Maintain or replace the indoor fan drive or indoor fan 4 Check the cable connections to the low pressure sen...

Страница 93: ...ser fins are dirty or blocked 2 The outdoor fan or its drive is faulty 3 The cables to the low pressure switch are loose or damaged 4 The low pressure switch is faulty 5 The liquid solenoid valve is faulty 6 Refrigerant leaks 7 The outdoor unit is not properly installed 8 The EEV is faulty 9 The stop valve is not fully open 10 The dryer is dirty or blocked 11 The selected model is incorrect 12 The...

Страница 94: ...r EEV 8 Check and fully open the stop valve 9 Check and replace the dryer 10 Check and replace the connecting pipe 210 Comp Discharge HT Lock Alarm The compressor shuts down The alarm needs to be manually cleared The Comp Discharge HT Alarm is triggered multiple times within a specified period of time Refer to the solution to the Comp Discharge HT Alarm 211 InUnit Input Overcur Alarm The compresso...

Страница 95: ...ty 215 Comp Drive DC Undervolt Alarm The compressor shuts down The input voltage of the compressor drive board is lower than the preset threshold 1 Check whether the input power is within the normal range 2 Use an oscilloscope to check whether the waveform of the power grid is within the normal range 3 Replace the compressor drive board if it is faulty 216 Comp Drive Overheat Alarm The compressor ...

Страница 96: ...huts down The compressor preheating function is started and the preheating is not complete Wait until the unit is preheated completely 221 Comp Antifrz Protect Alarm The compressor shuts down The alarm needs to be manually cleared 1 Refrigerant leaks 2 The evaporator coil pipe temperature sensor displays an incorrect temperature 3 The compressor suction pressure sensor displays an incorrect pressu...

Страница 97: ...he EEV 2 Check whether the EEV coil is short circuited 3 Replace the main control board of the indoor unit 304 EEV Drive Lock Alarm The compressor shuts down The EEV Drive Alarm is triggered multiple times within a specified period of time Refer to the solution to the EEV Drive Alarm 401 Ele Heater HP Alarm Electric heater is shut down 1 The air vent of the indoor unit is blocked 2 The cables to t...

Страница 98: ...let pipe is loose 2 The water supply pressure is insufficient 3 The water inlet pipe is blocked 4 The water inlet solenoid valve is blocked or faulty 5 The indoor unit is tilted seriously 6 The chassis of the water tank leaks 1 Check and reconnect the water inlet pipe 2 Check and increase the water supply pressure 3 Check and dredge the water inlet pipe 4 Replace the water inlet solenoid valve 5 A...

Страница 99: ... 1 is faulty 1 Reinstall the outdoor unit 2 Add air baffles 3 Replace outdoor fan 1 608 OutFan2 Speed Abnormal Alarm The compressor shuts down 1 The outdoor unit is not properly installed 2 The outdoor unit is in the strong wind state 3 Outdoor fan 2 is faulty 1 Reinstall the outdoor unit 2 Add air baffles 3 Replace outdoor fan 2 701 Discharge Press Sensor Fault The compressor shuts down 1 The pre...

Страница 100: ...gnal cable of the indoor or outdoor unit is loose 4 The outdoor unit powers off 1 Connect the signal cables according to the correct wire sequence 2 Use shielded signal cables 3 Check and reconnect any loose cable or connector 4 Power on the outdoor unit 708 OutUnit Comm Fail The compressor shuts down The communication between the main control board of the outdoor unit and the compressor drive boa...

Страница 101: ...r supply voltage of the indoor unit is too high 2 The power supply voltage of the outdoor unit is too high 1 Decrease the power supply voltage of the indoor unit 2 Decrease the power supply voltage of the outdoor unit 715 Power Overfreq Alarm Turn off all The power supply frequency of the indoor unit is too high Decrease the power supply frequency of the indoor unit 716 Power Underfreq Alarm Turn ...

Страница 102: ... connection to the temperature sensor 2 Maintain or replace the temperature sensor 801 Return Air High Temp Alarm 1 The heat load is high or the cooling capacity is insufficient 2 The return air temperature is high shortly after the unit is started 3 The ambient temperature exceeds the upper threshold 4 The return air high temperature alarm threshold is inappropriate for the working conditions 5 T...

Страница 103: ... unit with one that has heating and humidification functions 2 Start the humidification function 3 Adjust the return air low humidity alarm threshold 4 Calibrate or replace the humidity sensor 805 Smoke Sensor Alarm Turn off all 1 There is smoke 2 Cables to the smoke sensor are not properly connected 3 The smoke sensor is faulty 1 Clear smoke from the equipment room and reset the smoke sensor 2 Ch...

Страница 104: ...are air filter of the same model is available and functional Procedure Step 1 Open the front door Step 2 Loosen the two screws on the air filter by hand and remove the air filter Figure 5 1 Loosening screws Step 3 Install the new air filter and secure it Step 4 Close and lock the front door Step 5 Choose Maintain Performance Maintain on the home screen and clear the total runtime of the air filter...

Страница 105: ...room when the water pump is removed Step 5 Cut off the cable ties on the water pump cable and remove the wiring terminal Step 6 Use a Phillips screwdriver to remove the hose clamps securing the water pump and sheet metal Step 7 Use a Phillips screwdriver to loosen the hose clamps of the water inlet pipe and drainpipe of the water pump remove the water inlet pipe and drainpipe and remove the water ...

Страница 106: ...urn off the indoor unit circuit breaker and circuit breaker in the power distribution cabinet Step 3 Use diagonal pliers to cut off the cable tie that secures the temperature sensor to separate the temperature sensor from the mesh cover of the electric heater Step 4 Use a Phillips screwdriver to remove the four screws that secure the mesh cover of the electric heater as shown by 1 in Figure 5 3 Fi...

Страница 107: ...p 10 Tap on the home screen and tap Yes on the start confirmation screen displayed Ensure that the smart cooling product is running normally without any alarms End 5 4 1 4 Optional Replacing a Wet Film Humidifier Prerequisites A wet film humidifier needs to be replaced A spare wet film humidifier of the same model is available and functional Context Tool Phillips screwdriver Procedure Step 1 Hold ...

Страница 108: ...Figure 5 4 Step 6 Install the new wet film humidifier in the sequence from Step 5 to Step 3 Step 7 Power on the equipment choose Maintain Performance Maintain on the home screen and clear the total runtime of the wet film humidifier Step 8 Tap on the home screen and tap Yes on the start confirmation screen displayed Ensure that the smart cooling product is running normally without any alarms End 5...

Страница 109: ...over as shown by 1 and 2 in Figure 5 5 Figure 5 5 Replacing a fan Step 4 Use diagonal pliers to cut off the cable ties that secure the fan cable remove the fan terminal from the fan drive board and pull out the fan terminal through the cable hole Step 5 Use a socket wrench or an adjustable wrench to remove the two screws that secure the fan support as shown by 3 in Figure 5 5 Step 6 Dispatch at le...

Страница 110: ...layed Ensure that the smart cooling product is running normally without any alarms End 5 4 1 6 Replacing a Main Control Board Prerequisites A main control board needs to be replaced A spare main control board of the same model is available and functional Context Tool Phillips screwdriver Preparation Power off the indoor unit The following figure shows the position of the main control board Figure ...

Страница 111: ...rol box Figure 5 7 Removing the baffle plate from the electric control box Step 3 Remove the cables from the main control board Take a photo before performing this step so that you know how to bind the cable ties and install the cable terminals later Step 4 Remove the eight screws that secure the main control board and remove the main control board Step 5 Install the new main control board in reve...

Страница 112: ...rd Procedure Step 1 Open the front door and turn off the indoor unit circuit breaker and circuit breaker in the power distribution cabinet Step 2 Use a Phillips screwdriver to remove the nine screws that secure the baffle plate of the electric control box and remove the baffle plate from the electric control box Step 3 Remove the cable terminals from the fan drive board Take a photo before perform...

Страница 113: ... USB2 0 standard 2 The FAT32 USB flash drive 4 8 16 or 32 GB should be used 3 The upgrade file must be stored in the root directory of the USB flash drive Context Tool Phillips screwdriver Procedure Step 1 Open the front door Step 2 Remove the cables from the LCD Step 3 Use a Phillips screwdriver to remove the four screws from the rear of the LCD Step 4 Remove the LCD and backplane Step 5 Install ...

Страница 114: ...ayed Step 2 Open the front door and turn off the indoor unit circuit breaker and circuit breaker in the power distribution cabinet Step 3 Remove the return air filter Step 4 Reclaim the refrigerant Step 5 Pry the EEV coil off using a flat head screwdriver Step 6 Weld the two ends of the EEV using a welding torch as shown in Figure 5 9 Then remove the EEV Figure 5 9 Removing the EEV Step 7 Weld a n...

Страница 115: ...al Suction Pressure Range Reasonable Suction Superheat Degree Supercool Below 15 C 1 5 2 5 MPa 0 7 1 2 MPa 4 10 C 3 5 C 15 35 C 1 5 3 1 MPa 35 45 C 2 5 3 8 MPa Above 45 C 3 1 4 15 MPa Step 12 Enter the diagnostic mode and set the compressor rotational speed to 0 rpm Exit the diagnostic mode Step 13 Power on the equipment choose Maintain Performance Maintain on the home screen and clear the total r...

Страница 116: ...eaker for the outdoor unit Step 2 Use a Phillips screwdriver to remove the four screws that secure the fan guard and remove the fan guard Figure 5 10 Removing the fan guard Step 3 Remove the screw from the fan using a small wrench and remove the outdoor fan blades Figure 5 11 Removing the outdoor fan blades Step 4 If the motor of the outdoor fan needs to be replaced perform the following steps 1 R...

Страница 117: ...intain screen Step 9 Start the equipment and ensure that the smart cooling product works properly and no alarm is raised End 5 4 2 2 Replacing a Control Board Prerequisites A control board needs to be replaced A spare control board of the same model is available and functional Context Tools Phillips screwdriver diagonal pliers cable tie Preparation Power off the outdoor unit Procedure Step 1 Turn ...

Страница 118: ...7 Use a Phillips screwdriver to reinstall the left front panel and top cover Step 8 Power on the smart cooling product and ensure that it starts properly Observe it for 30 minutes and ensure that no alarm is generated End 5 4 2 3 Replacing a Module Board Prerequisites A module board needs to be replaced A spare module board of the same model is available and functional Context Tools Phillips screw...

Страница 119: ...driver Step 3 Use a Phillips screwdriver to remove the two screws that secure the rotate panel of the electric control box and rotate the rotate panel Figure 5 13 Opening the rotate panel Step 4 Use diagonal pliers to cut off the cable ties that secure the module board cables and remove the cable terminals from the module board Take a photo before performing this step so that you know how to bind ...

Страница 120: ...l the left front panel and top cover Step 8 Power on the smart cooling product and ensure that it starts properly Observe it for 30 minutes and ensure that no alarm is generated End 5 4 2 4 Replacing a Safety Valve Prerequisites A safety valve needs to be replaced A spare safety valve of the same model is available and functional Context Tools Phillips screwdriver torque wrench 557 glue refrigeran...

Страница 121: ...rogen again After checking that the smart cooling product does not leak vacuumize the smart cooling product and charge refrigerant Step 8 Reinstall the front panel left front panel and top cover Step 9 Power on the smart cooling product and tap Maintain Diagnostic Mode Enter Set the compressor rotational speed to 3000 rpm Step 10 Choose Run Device Run State and read the suction pressure discharge ...

Страница 122: ...tion foam power cables and labels take protective measures such as spreading wet cloth around the welding position Step 5 Weld the new dryer to the pipe Secure the new dryer using cable ties Step 6 Perform a leakage test with nitrogen again After checking that the smart cooling product does not leak vacuumize the smart cooling product and charge refrigerant Step 7 Reinstall the front panel left fr...

Страница 123: ...nit does not take the electricity from indoor unit turn off the circuit breaker for the outdoor unit Step 2 Remove the top cover and left front panel using a Phillips screwdriver Step 3 Use a Phillips screwdriver to remove the five screws that secure the inductor box Figure 5 15 Remove the inductor box Step 4 Use diagonal pliers to cut off the cable ties that bind the inductor cables and remove th...

Страница 124: ...ver and remove the inductor Figure 5 16 Remove the inductor Step 6 Install a new inductor and secure the inductor box Step 7 Bind cable ties and install inductor terminals according to the photo you have taken Step 8 Use a Phillips screwdriver to reinstall the left front panel and top cover Step 9 Power on the smart cooling product and ensure that it starts properly Observe it for 30 minutes and e...

Страница 125: ... Ltd 118 6 FAQ 6 1 How Do I Check Temperature and Humidity Parameters Procedure Step 1 On the home screen press the key to access the menu screen Figure 6 1 Menu screen Step 2 Move the cursor to Run by pressing the or key Step 3 Press the key to access the run submenu screen Step 4 Move the cursor to Temp Humid Param by pressing the or key ...

Страница 126: ...ure 6 2 Moving the cursor Step 5 Press the key to access the temperature and humidity parameter submenu screen Figure 6 3 Temperature and humidity parameter submenu Step 6 Query all contents under this submenu by pressing the and keys End 6 2 How Do I Check Device Running State Procedure Step 1 On the home screen press the key to access the menu screen ...

Страница 127: ... Co Ltd 120 Figure 6 4 Menu screen Step 2 Move the cursor to Run by pressing the or key Step 3 Press the key to access the run submenu screen Step 4 Move the cursor to Device Run State by pressing the or key Figure 6 5 Moving the cursor Step 5 Press the key to access the device run state submenu screen Figure 6 6 Device run state submenu ...

Страница 128: ... and keys End 6 3 How Do I Check Teamwork State Procedure Step 1 On the home screen press the key to access the menu screen Figure 6 7 Menu screen Step 2 Move the cursor to Run by pressing the or key Step 3 Press the key to access the run submenu screen Step 4 Move the cursor to Teamwork State by pressing the or key Figure 6 8 Moving the cursor Step 5 Press the key to access the teamwork state sub...

Страница 129: ... Figure 6 9 Teamwork state submenu Step 6 Query all contents under this submenu by pressing the and keys End 6 4 How Do I Query Device Runtime Procedure Step 1 On the home screen press the key to access the menu screen Figure 6 10 Menu screen Step 2 Move the cursor to Run by pressing the or key Step 3 Press the key to access the run submenu screen ...

Страница 130: ... cursor to Runtime by pressing the or key Step 5 Press the key to access the runtime submenu screen Figure 6 12 Runtime submenu Step 6 Query all contents under this submenu by pressing the and keys End 6 5 How Do I Query Alarms 1 Press the key to access the menu screen 2 On the menu screen move the cursor to Alarm by pressing the or key 3 Press the key to access the alarm submenu screen ...

Страница 131: ...cessing the alarm submenu Querying Active Alarms Step 1 Move the cursor to Query Active Alarm by pressing the or key Then press the key to access the active alarm query submenu screen Figure 6 14 Querying active alarms Step 2 Query the name and generation time of all active alarms by pressing the or key The alarms are sorted by generation time in descending order ...

Страница 132: ...e key to access the screen for querying active alarms End Querying Historical Alarms Step 1 Move the cursor to Query Historical Alarm by pressing the or key Then press the key to access the historical alarm query submenu screen Figure 6 15 Querying historical alarms Step 2 Query the name and generation time of all historical alarms by pressing the or key The alarms are sorted by generation time in...

Страница 133: ...Setting by pressing the or key Then press the key to access the setting submenu screen Figure 6 17 Setting submenu Step 3 On the setting submenu screen move the cursor to User Menu by pressing the or key Then press the key to access the screen for entering the password for the user menu Step 4 On the screen for entering the password for the user menu enter the password digits by using the and keys...

Страница 134: ...correct the message Wrong Password Enter Again is displayed Figure 6 19 Incorrect password If the password is correct the user menu screen is displayed Figure 6 20 Correct password Step 5 On the user menu screen move the cursor to User Setting by pressing the or key Then press the key to access the user setting submenu screen Step 6 Set parameters for the user setting submenu by pressing the and k...

Страница 135: ...2 20 Copyright Huawei Technologies Co Ltd 128 Figure 6 21 User settings End 6 7 How Do I Reset a User Password Procedure Step 1 Press the key to access the menu screen Figure 6 22 Menu screen Step 2 Move the cursor to Setting by pressing the or key Then press the key to access the setting submenu screen ...

Страница 136: ...User Menu by pressing the or key Then press the key to access the screen for entering the password for the user menu Step 4 On the screen for entering the password for the user menu enter the password digits by using the and keys and adjust the position of the digit to be entered by using the and keys Then press the key Figure 6 24 Entering a password If the password is incorrect the message Wrong...

Страница 137: ...ure 6 25 Incorrect password If the password is correct the user menu screen is displayed Figure 6 26 Correct password Step 5 On the user menu screen move the cursor to Password Setting by pressing the or key Then press the key to access the password setting screen Figure 6 27 Entering a password Step 6 Set the user new password by pressing the and keys ...

Страница 138: ...l 800 mm Width 6 FAQ Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 131 Figure 6 28 Password setting Figure 6 29 Confirming the new password End 6 8 How Do I Set Alarm Parameters Procedure Step 1 Press the key to access the menu screen Figure 6 30 Menu screen ...

Страница 139: ... the setting submenu screen move the cursor to Admin Menu by pressing the or key Then press the key to access the screen for entering the password for the administrator menu Step 4 On the screen for entering the password for the administrator menu enter the password digits by using the and keys and adjust the position of the digit to be entered by using the and keys Then press the key Figure 6 32 ...

Страница 140: ... Huawei Technologies Co Ltd 133 Figure 6 33 Incorrect password If the password is correct the administrator menu screen is displayed Figure 6 34 Correct password Step 5 On the administrator menu screen move the cursor to Alarm Setting by pressing the or key Then press the key to access the alarm setting submenu screen ...

Страница 141: ...tting submenu Step 6 Move the cursor to a parameter by pressing the or key and press the key to set the parameter Access the Temp Humid Sensor submenu screen and set parameters for the temperature and humidity sensor by pressing the and keys Figure 6 36 Temperature and humidity sensor Access the Compressor submenu screen and set parameters for the compressor by pressing the and keys ...

Страница 142: ...e Delete Historical Alarms submenu screen and confirm whether to delete all historical alarms by pressing the and keys After you tap Yes a screen for confirming deletion of historical alarms is displayed Press the key to delete historical alarms Figure 6 38 Deleting historical alarms End 6 9 How Do I Restore Default Settings Procedure Step 1 Press the key to access the menu screen ...

Страница 143: ...cess the setting submenu screen Figure 6 40 Setting submenu Step 3 On the setting submenu screen move the cursor to Admin Menu by pressing the or key Then press the key to access the screen for entering the password for the administrator menu Step 4 On the screen for entering the password for the administrator menu enter the password digits by using the and keys and adjust the position of the digi...

Страница 144: ...If the password is incorrect the message Wrong Password Enter Again is displayed Figure 6 42 Incorrect password If the password is correct the administrator menu screen is displayed Figure 6 43 Correct password Step 5 On the administrator menu screen move the cursor to Restore Default Setting by pressing the or key Then press the key to access the screen for entering the password ...

Страница 145: ...to access the screen for confirming restoration of default settings Choose Yes or No by pressing the or key If you choose Yes all configurable parameters will be restored to default settings If you choose No the previous menu will be displayed Press the key to confirm the operation Figure 6 45 Restoring default settings End 6 10 How Do I Set the Administrator New Password Procedure Step 1 Press th...

Страница 146: ...cess the setting submenu screen Figure 6 47 Setting submenu Step 3 On the setting submenu screen move the cursor to Admin Menu by pressing the or key Then press the key to access the screen for entering the password for the administrator menu Step 4 On the screen for entering the password for the administrator menu enter the password digits by using the and keys and adjust the position of the digi...

Страница 147: ...assword If the password is incorrect the message Wrong Password Enter Again is displayed Figure 6 49 Incorrect password If the password is correct the administrator menu screen is displayed Figure 6 50 Correct password Step 5 On the administrator menu screen move the cursor to Password Setting by pressing the or key Then press the key to access the password setting screen ...

Страница 148: ... a password Step 6 Set the administrator new password by pressing the and keys Figure 6 52 Password setting Figure 6 53 Confirming the new password The level of the administrator password is higher than that of the user password The administrator password can be used to log in to the user menu but the user password cannot be used to log in to the administrator menu End ...

Страница 149: ...n Step 2 Move the cursor to Maintain by pressing the or key Then press the key to access the screen for entering the password for the maintenance menu Step 3 On the screen for entering the password for the maintenance menu enter the password digits by using the and keys and adjust the position of the digit to be entered by using the and keys Then press the key Figure 6 55 Entering a password If th...

Страница 150: ...rd If the password is correct the maintenance menu screen is displayed Figure 6 57 Correct password Step 4 On the maintenance menu screen move the cursor to Performance Maintain by pressing the or key Then press the key to access the performance maintenance submenu screen Figure 6 58 Performance maintenance Step 5 Clear the total runtime of each device by pressing the and keys ...

Страница 151: ...te a Sensor Procedure Step 1 Press the key to access the menu screen Figure 6 59 Menu screen Step 2 Move the cursor to Maintain by pressing the or key Then press the key to access the screen for entering the password for the maintenance menu Step 3 On the screen for entering the password for the maintenance menu enter the password digits by using the and keys and adjust the position of the digit t...

Страница 152: ...r Again is displayed Figure 6 61 Incorrect password If the password is correct the maintenance menu screen is displayed Figure 6 62 Correct password Step 4 On the maintenance menu screen move the cursor to Sensor Calibration by pressing the or key Then press the key to access the sensor calibration submenu screen Figure 6 63 Sensor calibration Step 5 Set sensor calibration parameters by pressing t...

Страница 153: ... should be used The upgrade file must be stored in the root directory of the USB flash drive Procedure Step 1 Press the key to access the menu screen Figure 6 64 Menu screen Step 2 Move the cursor to Maintain by pressing the or key Then press the key to access the screen for entering the password for the maintenance menu Step 3 On the screen for entering the password for the maintenance menu enter...

Страница 154: ...ring a password If the password is incorrect the message Wrong Password Enter Again is displayed Figure 6 66 Incorrect password If the password is correct the maintenance menu screen is displayed Figure 6 67 Correct password Step 4 On the maintenance menu move the cursor to USB Wizard by pressing the or key Then press the key to access the USB wizard submenu screen ...

Страница 155: ...er indoor unit and outdoor unit Controller upgrade If there are multiple controller program versions in the USB flash drive Prepare Reset Controller is displayed the controller is reset and the upgrade progress bar is displayed after you press the key After the upgrade is complete the program is upgraded to the latest version If there is no controller upgrade program in the USB flash drive or the ...

Страница 156: ...unit upgrade If the outdoor unit upgrade program exists in the USB flash drive the system starts upgrading the outdoor unit program and the upgrade progress bar is displayed After the upgrade is complete Upgrade Done is displayed If the outdoor unit upgrade program in the USB flash drive is consistent with the running program version of the outdoor unit No Need Upgrade is displayed If no USB flash...

Страница 157: ...the password for the maintenance menu Step 3 On the screen for entering the password for the maintenance menu enter the password digits by using the and keys and adjust the position of the digit to be entered by using the and keys Then press the key Figure 6 71 Entering a password If the password is incorrect the message Wrong Password Enter Again is displayed Figure 6 72 Incorrect password If the...

Страница 158: ...g the or key Then press the key to access the USB wizard submenu screen Figure 6 74 USB wizard Step 5 On the USB wizard menu move the cursor to One Click Export by pressing the or key and press the key to perform the operation Exporting File is displayed in the lower part of the USB wizard screen After the export is complete Export Done is displayed If no USB flash drive is inserted U Disk No Dete...

Страница 159: ...ess the key to perform the operation After the import is complete Import Done is displayed in the lower part of the screen If no USB flash drive is inserted U Disk No Detect is displayed 15 seconds after you press the key If the USB flash drive inserted does not contain the configuration file ACC_Config csv No File Found is displayed Figure 6 76 Import End 6 15 How Do I Set the Maintenance New Pas...

Страница 160: ...ess the key to access the screen for entering the password for the maintenance menu Step 3 On the screen for entering the password for the maintenance menu enter the password digits by using the and keys and adjust the position of the digit to be entered by using the and keys Then press the key Figure 6 78 Entering a password If the password is incorrect the message Wrong Password Enter Again is d...

Страница 161: ...ssword is correct the maintenance menu screen is displayed Figure 6 80 Correct password Step 4 On the maintenance menu move the cursor to Password Setting by pressing the or key Then press the key to access the password setting screen Figure 6 81 Entering a password Step 5 Set the maintenance new password by pressing the and keys Figure 6 82 Password setting ...

Страница 162: ... level End 6 16 How Do I View the Current Versions Procedure Step 1 Press the key to access the menu screen Figure 6 84 Menu screen Step 2 Move the cursor to About by pressing the or key Then press the key to access the about menu screen Step 3 On the about menu screen move the cursor by pressing the or key and press the key Then you can view the e label of the current model as well as the current...

Страница 163: ...NetCol8000 A013 In room Air Cooled Smart Cooling Product User Manual 800 mm Width 6 FAQ Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 156 Figure 6 85 About End ...

Страница 164: ...High pressure sensor 3 Oil separator 4 High pressure switch 5 Condenser 6 Liquid storage tank 7 Dryer 8 Outdoor unit liquid pipe stop valve 9 Indoor unit liquid pipe stop valve 10 Liquid pipe needle valve 11 Solenoid valve optional 12 Electronic expansion valve 13 Low pressure needle valve 14 Evaporator 15 Indoor unit gas pipe stop valve 16 Outdoor unit gas pipe stop valve 17 Low pressure sensor 1...

Страница 165: ...00 A013 In room Air Cooled Smart Cooling Product User Manual 800 mm Width B Base Dimensions Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 158 B Base Dimensions Figure B 1 Base of indoor unit Unit mm ...

Страница 166: ...05 2019 12 20 Copyright Huawei Technologies Co Ltd 159 Figure B 2 Base of outdoor unit Unit mm 1 H should be determined on site 2 You are advised to use angle steel square steel or channel steel Width of 50 mm and thickness of 4 to 5 mm are recommended 3 Control the welding process and avoid excessive error ...

Страница 167: ... room Air Cooled Smart Cooling Product User Manual 800 mm Width C Bracket Drawings Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 160 C Bracket Drawings Figure C 1 Drawings 1 for wall mounting brackets Unit mm ...

Страница 168: ...00 A013 In room Air Cooled Smart Cooling Product User Manual 800 mm Width C Bracket Drawings Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 161 Figure C 2 Drawings 2 for wall mounting brackets Unit mm ...

Страница 169: ...oled Smart Cooling Product User Manual 800 mm Width D Electrical Conceptual Diagram Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 162 D Electrical Conceptual Diagram Figure D 1 Electrical conceptual diagram of indoor unit ...

Страница 170: ... In room Air Cooled Smart Cooling Product User Manual 800 mm Width D Electrical Conceptual Diagram Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 163 Figure D 2 Electrical conceptual diagram of outdoor unit ...

Страница 171: ...ller menu list Menu Name Default Value Settings Range Run Temp Humid param Return Air Temp Return Air Humidity Supply Air Temp Temp Curve Humidity Curve Run Device Run State Compressor EEV Indoor Fan Outdoor Fan1 Outdoor Fan2 Suction Pressure Suction Temp EEV Suct Superheat Discharge Pressure Discharge Temp EEV Discharge Superheat Compressor Phase Cur Outdoor Temp Evap Coils Temp Inverter Temp ...

Страница 172: ... Inunit Power Freq Compressor Preheating Time Floor Water Switch Fire Alarm Smoke Sensor Custom Alarm1 Custom Alarm2 Remote Off Compressor Heat Tape State HP Switch LP Switch Liquid Solenoid Valve Water Inlet Solenoid Valve Humidifier Water Pump Electric Heater Low Liquid Detect High Liquid Detect Run Teamwork State Current State M S Unit State Unit Address Rotation Mode High Temp Start All Low Te...

Страница 173: ...00s Setting User Menu Teamwork Setting Teamwork Function Disable Enable Disable Unit Address or 1 1 to 32 Enable Teamwork Resistor or No Yes No Units in Group Hide or 1 1 to 32 Active Units in Group Hide or 1 1 to 32 Rotation Function Hide or Disable Enable Disable Rotation Type Hide or Address Address Hour Rotation Cycle Hide or 1D 1D to 30D Rotation Time Hide or 00 00 24 hours High Temp Start Al...

Страница 174: ...Enable Disable High Humid Thres 85 0 RH 65 0 RH to 95 0 RH Low Humid Alarm Enable Enable Disable Low Humid Thres 10 0 RH 5 0 RH to 35 0 RH Temp Humid Alarm Delay 60s 5s to 999s Setting Admin Menu Alarm Setting Compressor Run Time out Alarm Enable Enable Disable Run Time out Thres 30000h 20000h to 40000h Start Low Press Mask Time 360s 0 to 600s Setting Admin Menu Alarm Setting Indoor Fan Run Time o...

Страница 175: ...ble Pump RT out Thres 40000h 10000h to 50000h Setting Admin Menu Alarm Setting Delete All Historical Alarms Delete All Historical Alarms No Yes No Setting Admin Menu System Setting System Control Forced Cooling Enable Enable Disable Dehumidifying Enable Enable Disable Humidifying Enable Enable Disable Heating Enable Enable Disable Freq Rise Temp Demand 50 0 to 100 Freq Drop Temp Demand 50 100 to 0...

Страница 176: ...eturn Speed 3000rpm From Min Speed to Max Speed Stop Vacuum Speed 1800rpm From Min Speed to Max Speed Stop Vacuum Pressure 0 48 MPa 0 to 1 5 MPa Comp Preheating On The default value is On for the first startup and the value is Off after preheating is complete On Off Dis HT Rise Limit Temp 97 0 C 90 C to 115 C Dis HT Drop Temp 107 0 C 90 C to 115 C Setting Admin Menu System Setting Indoor Fan Min S...

Страница 177: ... MPa Max Run Pressure 2 80 MPa 2 5 MPa to 4 0 MPa Setting Admin Menu System Setting EEV Min Open 52step 0 to 480 step Max Open 480step 0 to 480 step Standby Open 300step Min Open to Max Open Suct Super Heat Set point 6 0 C 2 0 C to 20 0 C Suct Super Heat Dead zone 2 0 C 0 to 5 0 C Adjust Cycle 10s 5s to 300s P band 2 0 0 1 to 10 0 Intergral Time Constant 60s 1s to 999s Diff Time Constant 0 0 to 99...

Страница 178: ... 12 20 Copyright Huawei Technologies Co Ltd 171 F Acronyms and Abbreviations A AC Alternating Current C CCC China s Compulsory Certificate D DC Direct Current E EEV electronic expansion valve L LCD Liquid Crystal Display P PTC Positive Temperature Coefficient R RCCB Residual Current Circuit Breaker U USB Universal Series Bus ...

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