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ii
Foreword
Summary
The manual describes the HRUC A 012C/S/A/H08 air conditioner instructions,product composition, working principle, wiring,operating instructions, routinemaintenance, troubleshooting, and technical indicators.
Audience
This manual applies to the following engineers:
Technical support engineer
Maintenance engineer
Marketing Engineer
Service Engineer
Revision records
Revision records accumulated each document updated instructions.
The latest version of the document contains all the previous document version updates.
Change HistoryHRM8811P-V2.0
2012116
The first official release is 2012-11-6
Document versionHRM8811P-V2.0
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HRM8811P-V2.0 2012-11-6 Catalog
CatalogForeword..................................................................... ii
1Instructions.................................................................. 4
2Product Overview............................................................. 5
2.1 Product appearance................................................................. .................................................................. 5
2.2 Application of scence...................................................................................................................... ........... 5
2.3 Product nameplate..................................................................................................................................... 7
2.4 Product features......................................................................................................................................... 7
2.5 Product composition................................................................. .................................................................. 7
2.6 Technical parameters............................................................... .................................................................. 8
2.7 Working Principle.......................................................... ................................................................... ........... 9
2.8 Air duct design............................................................................................................................................ 92.9 Control logic............................................................................................................................................... 10
2.10User parameter.............................................................. ................................................................... ......... 11
2.11Alarm and fault management............................................................. ...................................................... 11
3 Packing and shipping....................................................... 13
4 Unpacking and Acceptance.................................................. 14
5 Installation................................................................. 16
5.1 Structure installation................................................................. ................................................................ 16
5.2 Cable.......................................................................................................................................................... 18
5.3 Electrical wiring installation..................................................................................................................... 20
5.4 Communication line connection............................................................................................................. 22
6Running and Test............................................................ 25
6.1 Pre-operational checks............................................................ ................................................................ 25
6.2 Running............................................................... ................................................................... .................... 25
6.3 Monitor Operation......................................................... ................................................................... ......... 26
7 Maintence and Warranty.................................................... 28
7.1 Product maintance.................................................................................................................................... 28
7.1.1Prepare tools
........................................................... ................................................................... ......... 28
7.1.2Routine maintenance........................................................ ................................................................. 29
7.1.3Alarm code and Processing method................................................................ ................................ 30
7.1.4Other fault analysis and processing................................................................................................ 32
7.1.5Spare parts list.................................................................. ................................................................. 32
7.2Service and repair....................................................................................................................................... 33
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HRM8811P-V2.0 2012-11-6 1 Instructions
4
1Instructions
This manual applies to the following modelHRUC A 012/C/S/A/H08.
Be sure to read this manual before using the unit
The user must be in accordance with the regulations manual contentexecution can enjoy normal warranty service.
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HRM8811P-V2.0 2012-11-6 2 Product Overview
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2Product Overview
About this chapter
This chapter describes the shape of the HRUC A 012/C/S/A /H08 air conditioner, applicationscenarios, product nameplates, product features, product composition, technical parameters, theworking principle, duct design, control logic, communication protocols and user parameters, alarm andfaultprocessing of information. Please strictly in accordance with the relevant provisions of this manual!
2.1 Product appearance
Figure2-1 Product appearance
2.2 Application of scence
The product is designed for communication or related industrial equipment applications
and design of high performance AC type air conditioner, Please use the AC230V,50Hz /60Hz power,The installation is the significance of the control cabinet (normal work to a closed state ) of internal
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HRM8811P-V2.0 2012-11-6 2 Product Overview
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2.3 Product nameplateFigure2-2 Product nameplate
2.4 Product features Less dehumidifying comparing traditional aircon
Suitable for high temperature
R134aEnvironmental protection refrigerant
Self testing function
The multiple protection
Remote monitoring
Alarming output to monitoring system
Easy maintenance
2.5 Product compositionAir conditioner system is composed of the following parts
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HRM8811P-V2.0 2012-11-6 2 Product Overview
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Figure2-3Air conditioner composition diagram
2.6 Technical parametersAir conditioner technical parameters are listed in Table 2-1.
table2-1Technical parameters for air conditioner
Performance index Data
Rated voltage(V) 230VAC 50/60HZ
Rated cooling capacity(w) 1200
Rated Heater capacity(w) 800
Rated powerW 650
Refrigent R134a/650g
Ambient temperature range() -15~55
Relative humidity range 5~90%
Storage of environmental range
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HRM8811P-V2.0 2012-11-6 2 Product Overview
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Performance index Data
Fan life(internal circulation L10/25external circulation
L10/40(hour)
25000
W*D*H (mm) Dimension 4171651117
2.7 Working Principle
Air-conditioning using the compressor refrigeration
Main parts of the refrigeration: compressor, condenser, expansion valve, an evaporator,
internal fan, external fan, heater
Principle of refrigeration: Compressor suck refrigerant gas from evaporator, and compressed,the compressed refrigerant gas pushed into condenser to cooled into refrigerant liquid, then pass theexpansive valve, the refrigerant into evaporator and evaporate to cool air.
2.8 Air duct design
Internal circulation and external circulation of the air duct is shown in Figure2-3.
Figure2-3 Air duct design
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HRM8811P-V2.0 2012-11-6 2 Product Overview
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E04Compressor over-current
E05
Heater current is too low
This feature is only applicable tothe models containing heater
E06
Heater over-current
E07Internal fan alarm
E08External fan alarm
E11High temperature alarm
E12Low temperature alarm
E13Supply voltage overload
1
Attention: External alarm input 1 faultDisplay alternately shows the return air temperature
values and "-- -- "
2
High temperature alarmLow temperature alarmSupply voltage overload alarm occurs,dispal shows
the alarm informatiom , No dry contacts alarm information output.
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3Packing and shipping
Air conditioner packed in wooden cases(1pcs/box or 4pcs/box) with EPE protection pad. thepackage includes Annex.( Please refer to table 4-1 packing List)
The air conditioner during the transportation, please pay attention to the following matters
figure3-1 Packing mark
During Handling or transport, Air conditioner must be upward placed as . No inverted, flat,
excessive tilt and collision.
Air conditioner is precision instrument, in handling or transport process, should be handled withcare, package boxes do not step, prohibit standing or placing other heavy objects.
During Handling or transport, pay attention to moisture, water, rain.
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4Unpacking and Acceptance
Make sure the package upright as shown in Figure 3-1 before you open the package,
Please check the packing belt is broken, the wooden box is damaged, deformed, wet.
Use scissors or a knife dismantling packing belt,then open the wooden box.
Figure4-1 Open the wooden box
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After opening the package, please check the products according to the packing list.
Table 4-1 Packing list
Attention:The number in table 4-1 is for 1 pcs air conditioner only.
For the 2 pcs air conditioner ,the number is 2pcs
For the 3 pcs air conditioner ,the number is 3pcs
For the 4 pcs air conditioner ,the number is 4pcs
Serial number Name Model / Specification Number
1Air Condition
HRUC A 012/C/S/A/H08 1pcs
2Usermanual
HRM8811P-V2.0 1pcs
3Certificate
8811P 1pcs
4Water tube 10*14
Silicone hose1pcs
5Seal
EPDM 252mm 1pcs
6Power cord
UL1015 16AWG 1pcs
7Alarm cord
UL1015 20AWG 1pcs
8
Communicationcord 2.5m 1pcs
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5Installation
About this chapterAir conditioner installation and wiring
5.1 Structure installation Installation diagram
Figure5-1 Installation diagram
Attention :Length of M6 screw can not greater than the Cabinet material
thickness+6(mm)
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7)
Mount the out cover to the shelter---only side and half embeded needed. ( the purpose of theout cover is provent rain penetrate into the product also protection the product access fromexternal side).
!! Note: the out cover is not a standard part of product, normally it is provided by
an engineering company who install the product.
8)
The mechenical part of installation is finished till now. please double check.
Double check lists
1)
Dont apply this unit in high oli, burning gas, explosive gas, strong corrosivity condition, the
ambient air must be under 60, and the humidity not higher than 95%.
2)
Make sure that the lean of the product nor more than 3.
3)
Make sure that the cabinet should be sealled well to avoid the cooling losing and avoidambient moisture penetrate into cabinet, this will avoid produce more condensate water.
4)
Dont power on the unit immediately after finish the installation until the uint keep up standfor more than 30 min.
5.2 Cable
Air conditioner with power linesalarm lines and communication lines each one As an
optional accessories;
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Figure5-3 Alarm line
Figure5-4 Power line
Figure5-5 Communication line
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Figure5-7 Air conditioner wiring diagram
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5.4 Communication line connection
RS 422 communication connection
As shown below, the communication line terminal is directly inserted in the communicationinterface " OUT"
Communication connection
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RS 485 communication connedtion
The attachment of the communication line according to the connection, then the communicationline terminal is inserted in the communication interface:
Communication connection
As shown aboveThe line labeled "TX2+ " and The line labeled "RX2+ " are shorted together
as "T/R+ " line ; The line labeled "TX2- " and The line labeled "RX2- " are shorted together as
"T/R- " line ;then the "T/R+ " line and "T/R- " line can be connected as RS485 communication
line.
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Figure5-7 Air conditioner system wiring diagram
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6Running and Test
About this chapter
Introduce the ari conditioning running and test
6.1 Pre-operational checks
After Air conditioner installation and the electrical connection is completed, please check thefollowing checklist:
Table6-1 Pre-operational checks
Serial numberCheck items
1Ensure the screw is fastening
2 Ensure that there is enough space near the internal and externalof the air condition
3 Power line to connect the right polarity
Alarm signal cables are connected correctly
4 Using a multimeter to check the supply voltage, power supplyvoltage is normal, consistent with the requirements on thenameplate.
6.2 Running
Power on the switch, the product will perform a self-test running program firstly, and then the unitwill run normally.
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Self-test: Power on the switch, the product will perform a self-test running program firstly.The self-test process can refer to2.9 Control logic
If there is any trouble during self-test,the alarm will be generated,the monitor Display alarm faultcode,the system according to the alarm fault code to enter fault handling operation.
If there is no trouble during the self-test, system will be normal running automatically.
Normal mode:include standby operation, cooling heatingThe Details can refer to2.9 Control
logic
When the air conditioner is running ,if there is abnormal noise,vibration,please cut off powerimmediately and notify the professionals to inspect.
6.3 Monitor OperationThe interface of the monitor is as follows:
Figure6-1Interface of the monitor
The definition of the symbols from left to right are as follows:
Table6-2 Definition of the symbols
Indicator Definition Light Flicker
Point setting Under settingNA
Cooling Cooling running Wait for cooling
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Heating Heating runningNA
External fanExtrenal fan
running
NA
Alarm NA Alarm
Parameter setting
Long press "M" key for 5 seconds, enter the parameter setting mode, then display the code of
parameters, with "
" key to select the code of parameters, select a code and press "Set" buttonwill display corresponding parameter values of the code, then re-use "" button can set theparameters, after finished the setting, press "Set "button, back to display states. During the settingmode, Press "M" key to exit the parameter setting mode, in the process of the parameter valuessetting by pressing "M" button that give up, quit, but does not change the parameter value.
Current query
Under the return air temperature interface,pressonce will show compressor current,pressagain ,the monitor will show internal fan current,press the third time,the monitor will show theexternal fan current.Press the fourth will return the main interface.
Voltoge query
Under the main interface,press both andbutton will show the voltage,the unit is V.Press Mto return the main interface.
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7Maintence and Warranty
This chapter introduce maintenance and warranty
7.1 Product maintance
7.1.1 Prepare tools
Table7-2 Maintance Tools
Number Tools
1 Multimeter
2Phillips screwdriver
3Slotted screwdriver
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7.1.2 Routine maintenance
Table7-2 Routine maintenance
NUM. Check items Check methods Solution
1 Power line firm
1
Turn off the supply power
2
Pulled the power linewatch whether the
line is loosening
3
Screw the screws on the power cordterminals with a screwdriver, watchwhether the screw is loosening
If there is a power line toloose or loosening, Youshould be used to tie tightpower line; use ascrewdriver to loose screw
2VoltageStability
Use the multimeter to measure airconditioner input voltage to watch whetherthe voltage is within normal range.
If the voltage is not withinthe normal range,Pleaseturn off the power supply
immediately.Power on theair conditioner until thesupply voltage withinnormal range.
3Screw firmly
Use scrowdriver to screw the screws andwatch whether the screw is loosening
If the screw isloosening,please tighten it.
4Cooling
Power on the switch and watch whether theself-test is correct.If it is currect ,the monitorwill display compressor current as self-testprogram
1
While self-testing ,
if there is abnormalnoise,vibration,please cutoff power immediately andnotify the professionals toinspect.
2
If it is alarm while self-test,please process
As table7-3
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7.1.3 Alarm code and Processing method
Table 7-3 Alam information
CodeCode Name Principle Process Method
E01 Return airtemperature sensor
alarm
Return air temperaturesensor is short circuit or opencircuit
Check whether thereturn air temperaturesensor is short circuit oropen circuit.
E03 Compressor currentis too low
Compressor current is notwithin normal range
1
Check whether thecompressor line islossening
2
Compressor fault,pleasecontact professionalmaintenance.
E04 Compressor over-current
Compressor current is notwithin normal range
1
Check whether thecondenser is dirty block.
2
Compressor fault,pleasecontact professionalmaintenance.
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7.1.4 Other fault analysis and processing
Table7-4 other fault analysis and processing
Fault state Analysis of the reasons Solutions
Power on theswitch ,thecabinettemperature is
too high but theair conditioneris not working
1
Power failure or no power
2
The cooling set temperature is higher than the
cabinet temperature4
Systerm fault
1
Check the power supply andthe eletric circuit
2
Setting cooling temperatureaccording to the needs
3
Please contact professionalmaintenance.
The air
conditioner isrunning but thecooling effect isnot good
1
The cooling capacity of the air conditioner is notmatch with the load.
2
The ambience temperature is too high
3
Other system fault
3
To add or choose another airconditioner according to theload.
4
Ensure the machine is used inthe correct range.
5
Please contact professionalmaintenance.
The machine is
stoppingsuddenly ,andthe electricsystem isnormal
1
The cabinet temperature greater than or equal
to the cooling set temperature.
2
Other system fault
1
Setting cooling temperature
according to the needs2
Please contact professionalmaintenance.
7.1.5 Spare parts list
Table7-5 Spare parts list
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Serial NUM. Name Mode Num.
1 internalfan R2E 190-A026-05 1
2 externalfan R2E 190-A026-05 1
3 heater 800W PTC 1
4 main control board AC Control V2.0 1
5 monitor board AC Pannel V2.0 1
7.2 Service and repair Warranty period
The product guarantee period is 12 monthsfrom product up-running time or Max. 18 monthfromproduct delivery date.
Warranty coverage
During the warranty period, all belong to the product itself quality problems caused by fault, thecompany will be free for you to repair, Household repair is required to provide the product label. But byany of the following causes the failure does not belong to our warranty.
1) Out of the Warranty period
2) Can not provide the product label(the product lable is on the nameplate);3) Because of the abnormal condition or environment ,or the instructions specified in the
inappropriate installation installation, maintenance or operation causes the fault;
4) Not caused by equipment failure,caused by user`s other equipment or software.
5) User changed or disassemble by theirself,or maintanced by the person without authorization.
6) Caused by force majeure such as fires, earthquakes, floods and other damage to the fault.
Disclaimer
The warranty is limited to the delivered products.
Division I is irresponsible for any loss that may be derived by equipment failure.
.
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