Kaysun KEM-30 DRS4 Engineering Data Book Download Page 30

Page: 30 / 76

Operating Limits

6.1

Cooling operating range

Figure 2-6.1:

KEM-30 DRS4, KEM-30 DRS4 KH, KEM-60 DRS4, KEM-30 DRS4 KH C

ooling operating range

t t

(

℃

)

Outlet water temperature (

℃

)

-20

-10

6.2

Heating operating range

Figure 2-6.2:

KEM-30 DRS4, KEM-30 DRS4 KH, KEM-60 DRS4, KEM-30 DRS4 KH

Heating operating range

t t

(

℃

)

-25

-15

-5

DC Inverter Chiller

Summary of Contents for KEM-30 DRS4

Page 1: ...ENGINEERING DATA BOOK DC Inverter Air cooled Modular Chiller KEM 30 DRS4 KEM 60 DRS4 KEM 30 DRS4 KH KEM 60 DRS4 KH ...

Page 2: ......

Page 3: ...CONTENTS DC Inverter Chiller 1 CONTENTS Part 1 General Information 2 Part 2 Engineering Data 14 Part 3 Installation and Field Settings 37 ...

Page 4: ...DC Inverter Chiller 2 Part 1 General Information 1 Aqua Tempo Super II System 3 2 Unit Capacities 4 3 Unit Combinations 5 4 System and Design Unit Selection 6 5 Typical Applications 8 ...

Page 5: ...xtracts heat from the outdoor air and transfers this heat through refrigerant piping to the plate heat exchanger in the hydronic system The heated water in the hydronic system circulates to low temperature heat emitters floor heating loops or low temperature radiators to provide space heating The 4 way valve in the outdoor unit can reverse the refrigerant cycle so that the hydronic system can prov...

Page 6: ...ler 4 2 Unit Capacities Table 1 2 1 Aqua Tempo Super II unit capacity range and unit appearances Capacity 30kW 60kW Model KEM 30 DRS4 KEM 30 DRS4 KH KEM 60 DRS4 KEM 60 DRS4 KH Appearance Power supply 380 415V 3Ph 50Hz ...

Page 7: ...Part 1 General Information DC Inverter Chiller 5 3 Unit Combinations Table 1 4 1 Unit Combinations System Capacity kW Numbers of units Modules 30kW 60kW 30 1 60 1 90 2 120 2 150 3 180 3 210 4 240 4 ...

Page 8: ...per II unit capacity Required total heat load on outdoor units 3 Yes No Aqua Tempo Super II system selection is complete Select a larger model or enable auxiliary electric heater operation Notes 1 Up to 4 units can be connected together giving a system cooling heating capacity range from 30kW to 240kW 2 If the required water temperatures of the heat emitters are not all the same the Aqua Tempo Sup...

Page 9: ... to 35 C For fan coil units 30 to 45 C For low temperature radiators 40 to 50 C 4 3 Optimizing System Design To get the most comfort with the lowest energy consumption with Aqua Tempo Super II it is important to take account of the following considerations Choose heat emitters that allow the heat pump system to operate at as low a hot water temperature as possible whilst still providing sufficient...

Page 10: ...r unit Expansion tank Water replenishment valve Water discharge valve Floor Heating Loops Floor Heating Loops Floor Heating Loops Differential pressure by pass valve Drain valve Two way valves Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit Max 16 units Stop valve Pressure gauge Gate valve Flexible joint Y shaped filter Thermometer Circulating pump Check valve Automa...

Page 11: ...y valve One way valve Stop valve Pressure gauge Gate valve Flexible joint Y shaped filter Thermometer Circulating pump Check valve Automatic discharge valve Legend Max 4 units Master unit Expansion tank Water replenishment valve Water discharge valve Differential pressure by pass valve Drain valve Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit Max 16 units Floor Hea...

Page 12: ...thout hydronic module Master unit Expansion tank Water replenishment valve Water discharge valve Differential pressure by pass valve Drain valve Two way valve Three way valve FCU Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit FCU FCU Stop valve Pressure gauge Gate valve Flexible joint Y shaped filter Thermometer Circulating pump Check valve Automatic discharge valve...

Page 13: ...e Water discharge valve Differential pressure by pass valve Drain valve Two way valve Three way valve FCU Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit Max 16 units FCU FCU Two way valve Two way valve One way valve One way valve Stop valve Pressure gauge Gate valve Flexible joint Y shaped filter Thermometer Circulating pump Check valve Automatic discharge valve Leg...

Page 14: ... heating loops and space cooling through fan coil unit standard unit without hydronic module Master unit Expansion tank Water replenishment valve Water discharge valve Differential pressure by pass valve Drain valve Two way valve Three way valve FCU Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit FCU FCU Floor Heating Loops Floor Heating Loops Floor Heating Loops Two...

Page 15: ... Differential pressure by pass valve Drain valve Two way valve Three way valve FCU Auxiliary electric heater unit unit Y type filter requiring 16 mesh Slave unit Max 16 units FCU FCU Floor Heating Loops Floor Heating Loops Floor Heating Loops Two way valve Two way valve Two way valve One way valve One way valve Stop valve Pressure gauge Gate valve Flexible joint Y shaped filter Thermometer Circula...

Page 16: ...1 Specifications 15 2 Dimensions and Center of Gravity 18 3 Piping Diagrams 20 4 Wiring Diagrams 24 5 Capacity Tables 26 6 Operating Limits 28 7 Hydronic Performance 29 8 Sound Levels 31 9 Accessories 36 DC Inverter Chiller 14 ...

Page 17: ...Packed dimensions W H D Wooden foot mm 1910 1370 1035 2250 1530 1090 Net Gross weight kg 300 355 480 540 Pipe connections Water inlet outlet mm DN40 DN50 Water pressure range MPa 0 05 to 1 0 0 05 to 1 0 Water flow switch Action flow m3 h 3 6 10 7 10 Vent Valve Max working pressure Mpa 1 0 1 0 Safety valve Action pressure Mpa 0 6 10 0 6 10 Controller KCCHT 05 MODBUS KCCHT 05 MODBUS Operating temper...

Page 18: ...ant type R32 R32 Refrigerant charge kg 7 9 14 Throttle type EXV EXV Capillary Sound power level dB A 78 86 Sound pressure level3 dB A 65 1 71 4 Net dimensions W H D mm 1870 1175 1000 2220 1325 1055 Packed dimensions W H D Wooden foot mm 1910 1370 1035 2250 1530 1090 Net Gross weight kg 315 370 515 575 Pipe connections Water inlet outlet mm DN40 DN50 Water pressure range MPa 0 05 to 1 0 0 05 to 1 0...

Page 19: ...Cooling4 C 0 to 20 5 0 to 20 5 Heating C 25 to 54 25 to 54 Notes 1 Cooling Chilled water inlet outlet temp 12 7 C outdoor ambient temp 35 C DB 2 Heating Warm water inlet outlet temp 40 45 C outdoor ambient temp 7 C DB 6 C WB 3 Sound pressure level is measured at a position 1m in front of the unit and 1 1m above the floor in a semi anechoic chamber 4 Capacity and efficiency data calculated in accor...

Page 20: ...2 2 1 KEM 30 DRS4 KEM 30 DRS4 KH dimensions and center of gravity unit mm Left view Top view 470 204 485 485 200 Front view Bottom view Hole for anchor bolt Φ Ø15 1870 680 1175 485 1000 530 926 800 37 barycenter barycenter Electric control box side DC Inverter Chiller 18 ...

Page 21: ...RS4 KH dimensions and center of gravity unit mm Front view 210 234 470 Front view 2220 1055 Top view 1325 Left view 815 555 485 555 Bottom view Hole for anchor bolt Φ Ø15 425 958 1105 48 5 Electric control box side Part 2 Engineering Data DC Inverter Chiller 19 ...

Page 22: ...return solenoid valve 8 4 way valve 29 Low pressure switch 9 System pressure sensor 30 Filter 10 DC fan 31 Capillary 11 Condenser 32 Outdoor ambient temperature sensor 12 Coil outlet temperature sensor 33 Unit water inlet temperature sensor 13 Coil final outlet temperature sensor 34 Safety valve 14 Filter 35 Air purge valve 15 Electronic expansion valve 36 Unit water outlet temperature sensor 16 F...

Page 23: ...ch 8 4 way valve 30 Filter 9 System pressure sensor 31 Capillary 10 DC fan 32 Outdoor ambient temperature sensor 11 Condenser 33 Unit water inlet temperature sensor 12 Coil outlet temperature sensor 34 Safety valve 13 Coil final outlet temperature sensor 35 Air purge valve 14 Filter 36 Unit water outlet temperature sensor 15 Electronic expansion valve 37 Water flow switch 16 Filter 38 Manual water...

Page 24: ...rator 8 Discharge temperature control switch 2 33 Suction temperature sensor 9 One way valve 1 34 Low pressure switch 10 One way valve 2 35 Filter 11 High pressure switch 36 Capillary 12 Oil separator 37 Fast oil return solenoid valve 13 4 way valve 38 Filter 14 System pressure sensor 39 Capillary 15 DC fan 1 40 Outdoor ambient temperature sensor 16 DC fan 2 41 Unit water inlet temperature sensor ...

Page 25: ...ture control switch 2 34 Low pressure switch 9 One way valve 1 35 Filter 10 One way valve 2 36 Capillary 11 High pressure switch 37 Fast oil return solenoid valve 12 Oil separator 38 Filter 13 4 way valve 39 Capillary 14 System pressure sensor 40 Outdoor ambient temperature sensor 15 DC fan 1 41 Unit water inlet temperature sensor 16 DC fan 2 42 Safety valve 17 Condenser 43 Air purge valve 18 Coil...

Page 26: ...4 Wiring Diagrams KEM 30 DRS4 KEM 30 DRS4 KH Figure 2 4 1 KEM 30 DRS4 KEM 30 DRS4 KH wiring diagram DC Inverter Chiller 24 ...

Page 27: ...KEM 60 DRS4 KEM 60 DRS4 KH Figure 2 4 2 KEM 60 DRS4 KEM 60 DRS4 KH wiring diagram Part 2 Engineering Data DC Inverter Chiller 25 ...

Page 28: ... Notes 1 Performance specifications measured with water pump operating at rated water flow rate Table 2 5 2 KEM 60 DRS4 KEM 60 DRS4 KH heating capacity Ambient temp C Chilled water outlet temperature C 30 00 35 00 40 00 45 00 50 00 54 00 TC PI TC PI TC PI TC PI TC PI TC PI kW kW kW kW kW kW kW kW kW kW kW kW 14 00 44 12 18 60 43 83 19 72 41 46 20 89 40 69 21 76 7 00 53 27 19 16 52 61 20 15 50 21 2...

Page 29: ...ance specifications measured with water pump operating at rated water flow rate Table 2 5 4 KEM 60 DRS4 cooling capacity Ambient temp C Chilled water outlet temperature C 5 00 7 00 10 00 13 00 15 00 20 00 Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power Capacity Power TC PI TC PI TC PI TC PI TC PI TC PI 10 00 54 67 11 98 62 73 12 86 63 47 14 37 64 97 14 41 5 00 53 81 12 7...

Page 30: ... DRS4 KH Cooling operating range Ambient temperature Outlet water temperature 20 10 0 10 20 30 40 50 0 10 20 30 6 2 Heating operating range Figure 2 6 2 KEM 30 DRS4 KEM 30 DRS4 KH KEM 60 DRS4 KEM 30 DRS4 KH Heating operating range Ambient temperature 25 15 5 5 15 25 35 20 30 40 50 60 DC Inverter Chiller 28 ...

Page 31: ... 5 5 5 6 6 5 7 Water pressure drop kPa Water ﬂow rate m 3 h KEM 60 DRS4 KEM 60 DRS4 KH Figure 2 7 2 KEM 60 DRS4 KEM 60 DRS4 KH Hydronic performance Figure 2 7 2 MC SU60 RN8L MC SU60M RN8L Hydronic performance 0 10 20 30 40 50 60 70 6 7 8 9 10 11 12 13 14 Water ﬂow rate m 3 h Water pressure drop kPa Part 2 Engineering Data DC Inverter Chiller 29 ...

Page 32: ...Figure 2 7 3 YKB 650 2 1 Hydronic performance of KEM 30 DRS4 KH Pump head m Water flow rate m3 h Figure 2 7 4 YKB 1500 2 1 Hydronic performance of KEM 60 DRS4 KH Pump head m Water flow rate m3 h DC Inverter Chiller 30 ...

Page 33: ...d pressure level is measured at a position 1m in front of the unit and 1 H 2m where H is the height of the unit above the floor in a semi anechoic chamber During in situ operation sound pressure levels may be higher as a result of ambient noise Figure 2 8 1 Sound pressure level measurement unit mm Front H 1000 2 1000 Part 2 Engineering Data DC Inverter Chiller 31 ...

Page 34: ...00 8000 NR 90 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Figure 2 8 3 KEM 30 DRS4 KH octave band level in cooling mode at rated compressor frequency Octave band sound level dB 10 0 10 20 30 40 50 60 70 80 90 100 110 120 31 5 63 125 250 500 1000 2000 4000 8000 NR 90 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz DC In...

Page 35: ...0 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Figure 2 8 5 KEM 60 DRS4 KH octave band level in cooling mode at rated compressor frequency Octave band sound level dB 10 0 10 20 30 40 50 60 70 80 90 100 110 120 31 5 63 125 250 500 1000 2000 4000 8000 NR 90 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Part 2 Engineering Data DC In...

Page 36: ...0 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Figure 2 8 7 KEM 30 DRS4 KH octave band level in heating mode at rated compressor frequency Octave band sound level dB 10 0 10 20 30 40 50 60 70 80 90 100 110 120 31 5 63 125 250 500 1000 2000 4000 8000 NR 90 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz DC Inverter Chill...

Page 37: ...0 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Figure 2 8 9 KEM 60 DRS4 KH octave band level in heating mode at rated compressor frequency Octave band sound level dB 10 0 10 20 30 40 50 60 70 80 90 100 110 120 31 5 63 125 250 500 1000 2000 4000 8000 NR 90 NR 80 NR 70 NR 60 NR 50 NR 40 NR 30 NR 20 NR 10 NR 0 Octave band central frequency Hz Part 2 Engineering Data DC In...

Page 38: ... 1 Standard accessories Name Shape Quantity KEM 30 DRS4 KEM 60 DRS4 Installation Operation Manual 1 Temperature testing components for total water outlet 1 Wired controller power adapter 1 Wired controller installation manual 1 DC Inverter Chiller 36 ...

Page 39: ...llation and Field Settings 1 Preface to Part 3 38 2 Unit Placement and Installation 39 3 Water System Design and Installation 44 4 Electrical Wiring 50 5 Field Settings 56 6 Commissioning and Maintenance 57 7 User Interface Field Settings for KCCHT 05 MODBUS 60 8 Appendix 70 ...

Page 40: ...is Engineering Data Book the term applicable legislation refers to all national local and other laws standards codes rules regulations and other legislation that apply in a given situation 1 3 Precautions All system installation including installation of water piping and electrical works must only be carried out by competent and suitably qualified certified and accredited professionals and in acco...

Page 41: ...he unit in case of overturn of the unit Several rolling rods of the same size are placed under the base of the unit and the length of each rod must be more than the outer frame of the base and suitable for balancing of the unit Each lifting rope belt should be able to bear 4 times the weight of the unit Check the lifting hook and ensure that it is firmly attached to the unit To avoid damages to th...

Page 42: ...utdoor units should not be exposed to direct radiation from a high temperature heat source Outdoor units should not be installed in positions where dust or dirt may affect heat exchangers Outdoor units should not be installed in locations where exposure to oil or to corrosive or harmful gases such as acidic or alkaline gases may occur Outdoor units should not be installed in locations where exposu...

Page 43: ...ide sufficient access for installation of piping Either steel or concrete bases may be suitable To ensure that all contact points are equally secure bases should be completely level Base design should ensure that the points on the units bases designed for weight bearing support are fully supported A drainage ditch should be provided to allow drainage of condensate that may form on the heat exchang...

Page 44: ...he influence of adjacent structures on the airflow around the unit should also be taken into consideration For units installed in locations that may be experience high wind speeds measures such as installing fences should be taken to protect the units from turbulent flows that may disturb the air entering leaving the units When fencing or other forms of wind protection are installed the minimum sp...

Page 45: ...ration please consult the technical engineers before selecting the damper 2 7 2 Installation steps of the damper Step 1 Make sure that the flatness of the concrete foundation is within 3mm and then place the unit on the cushion block Step 2 Raise the unit to the height suitable for installation of the damping device Remove the clamp nuts of the damper Step 3 Place the unit on the damper and align ...

Page 46: ...t equipped with pressure and temperature instruments so they need to be purchased by the user All low positions of the water system should be provided with drainage ports to drain water in the evaporator and the system completely and all high positions should be supplied with discharge valves to facilitate expelling air from the pipeline The discharge valves and drainage ports should not be under ...

Page 47: ... 000 1 000 0 10 0 984 0 998 1 118 1 019 4 20 0 973 0 995 1 268 1 051 9 30 0 965 0 992 1 482 1 092 16 40 0 960 0 989 1 791 1 145 23 50 0 950 0 983 2 100 1 200 37 Table 3 3 3 Propylene glycol Concentration of propylene glycol Modification coefficient Freezing point C Cooling capacity Power input Water resistance Water flow 0 1 000 1 000 1 000 1 000 0 10 0 976 0 996 1 071 1 00 3 20 0 961 0 992 1 189 ...

Page 48: ...or deposits on solar panels on Mars among other examples Foreign matter in the chilled water system will adversely affect the heat transfer capability of the evaporator and could increase the pressure drop and reduce the water flow To provide optimum unit operation proper water treatment must be maintained Refer to the able as following Table 3 3 4 Fouling factor ALTITUDE m Difference of water inl...

Page 49: ...llation of Water System Pipeline 3 3 1 Installation of single module water system pipeline Figure 3 3 1 Installation of single module water system pipeline Water inlet Water outlet Figure 3 3 2 connection method of KEM 30 DRS4 Figure 3 3 3 connection method of KEM 60 DRS4 ...

Page 50: ...80 210 Q 325 DN100 325 Q 510 DN125 510 Q 740 DN150 740 Q 1300 DN200 740 Q 2080 DN250 Please pay attention to the following items when installing multiple modules Each module corresponds to an address code which cannot be repeated Main water outlet temperature sensing bulb and auxiliary electric heater are under control of the main module The unit can be started up through the wired controller only...

Page 51: ... to prevent dust and dirt entering Use a good thread sealant for sealing the connections The sealing must be able to withstand the pressures and temperatures of the system When using non copper metallic piping be sure to insulate the two kind of materials from each other to prevent galvanic corrosion For copper is a soft material use appropriate tools for connecting the water circuit Inappropriate...

Page 52: ...onents and even damages to them which thus lead to protective failure All cables led to the electric box should be supported independently but by the electric box The strong current wires generally pass the electric box and 220V alternating current may also pass the control board so wiring connection should conform to the principle of separation of strong current and weak current and the wires of ...

Page 53: ...f the power should be 220 230V AC The user must be aware that all power supplies they provided should be obtained through power circuit breakers provided by the user to ensure that all voltages on the nodes of the provided power supply circuit are released when the circuit breakers are cut off All inductive components provided by the user such as coils of contactor relay and so on must be suppress...

Page 54: ...nals A B C N 7 Phase sequences must be consistent when the wires of the main power 8 The main power should be located out of easy reach of non professional maintenance personnel to avoid mal operation and improve safety 9 KEM 30 DRS4 and KEM 60 DRS4 connection of control wires of auxiliary electric heaters the control wires of AC contactor of the auxiliary electric heater must pass the connection ...

Page 55: ...peline 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 MAIN CONTROL WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 WH RD YE BK BR X Y E A B RD YE BK BR WH MONITOR WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 WH RD YE BK BR X Y E A B RD YE BK BR WH MONITOR WIRECONTROLER HEAT1 H EAT2 COM XT1 X Y X Y X Y X Y E X Y E COMP STATE P UMP N CN83 XT3 CN30 XT1 XT3 CN...

Page 56: ... 7 8 9 10 11 12 CN74 CN61 MAIN CONTROL WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 WH RD YE BK BR X Y E A B RD YE BK BR WH MONITOR WIRECONTROLER CN60 5 6 7 8 9 10 11 12 5 6 7 8 9 10 11 12 CN74 CN61 WH RD YE BK BR X Y E A B RD YE BK BR WH MONITOR WIRECONTROLER HEAT1 H EAT2 COM XT1 X Y X Y X Y X Y E X Y E COMP STATE P UMP N CN83 XT3 CN30 XT1 XT3 CN2 CN83 CN30 XT1 XT3 CN2 CN83 ...

Page 57: ... 5 Cool Heat signal wire DC 2 0 75mm2 6 Alarm signal wire AC 2 200mA 0 75mm2 7 Water flow switch signal wire DC 2 0 75mm2 8 Compressor state signal wire2 AC 2 200mA 0 75mm2 9 Water pressure switch wire2 DC 2 0 75mm2 10 Inverter Pump control wire2 DC 2 0 75mm2 11 Dual temperature set points switch2 DC 2 0 75mm2 Notes 1 5 core shielded wire is required the standard maximum wire length is 50m 4 6 Mod...

Page 58: ...unction is invalid OFF Anti snow function is effective S12 1 Represent Kaysun product ON S12 2 Single water pump control OFF Multiple water pumps control S12 3 Normal cooling mode OFF Low temperature cooling mode ENC2 DIP switch of outdoor unit capacity 0 KEM 30 DRS4 1 KEM 60 DRS4 ENC4 DIP switch of outdoor unit network address 0 master unit 1 2 3 F slave units 0 ...

Page 59: ...he unit After the unit is shut down it should be put into operation 10 min later to avoid frequent start up of the unit In the end check whether the unit meets the requirements in specification table 6 1 3 Notices The unit can control start up and shut down of the unit so when the water system is flushed the operation of the pump should not be controlled by the unit Do not start up the unit before...

Page 60: ...e to eyes skins and nasal mucosa 6 2 3 Winter shutdown For shutdown in winter the surface of the unit outside and inside should be cleaned and dried Cover the unit to prevent dust Open discharge water valve to discharge the stored water in the clean water system to prevent freezing accident it is preferable to inject antifreeze in the pipe 6 2 4 Replacing parts Parts to be replaced should be the o...

Page 61: ...the compressor 6 2 8 Auxiliary electric heater When the ambient temperature is lower than 2 C the heating efficiency decreases with the decline of the outdoor temperature In order to make the unit stably run in a relatively cold region and supplement some heat lost due to de frosting When the lowest ambient temperature in the user s region in winter is within 0 C 10 C the user may consider to use ...

Page 62: ...OJECT menu on the wired controller s user interface The user interface menus and settings can be navigated using the user interface s touch sensitive keys as detailed in Table 3 7 1 Figure 3 7 1 User interface Table 3 7 1 User interface keys Keys Function MENU Display the main menu Navigate the menu structure Adjust setting values ON OFF Turn space heating cooling on off BACK Exit a sub menu move ...

Page 63: ...bove figure to access the submenu mode setting The interfaces are shown as the following figure Figure 3 7 2 Different mode interfaces Cooling mode Heating mode MON 20 11 2017 10 35 A COO L Tws 7 C Tw 25 C MON 20 11 2017 10 35 A Tws Tw 55 C 25 C HEAT When the current mode button is selected blinking press and to set a mode or temperature and then press and to adjust the mode and set temperature va...

Page 64: ...parameter adjustment The OK button must be pressed after parameters are adjusted and the finally adjusted values will be shared 5 Since the bus is processed in the polling mode the data of the wired controller with the minimum number is valid if multiple wired controllers are operated at the same time in the same bus cycle 4s Avoid the above situation during operation 6 After any of parallel wired...

Page 65: ... 7 2 8 Upper Computer Communication Function 1 The home page displays the content below during communication with the upper computer Communication between the wired controller and the upper computer 2 If the outdoor main control board is in the remote ON OFF control mode and the wired controller sends an alarm the current alarm page displays Remote ON OFF Control Mode In this case the network cont...

Page 66: ...LLER SELECT 8 PUMP CONTROL DISABLE 1 SET UNIT AIR CONDITIONING Tw_cool_Diﬀ Tw_heat_Diﬀ dT5_ON dT1S5 2 SET PARALLEL UNIT Tim_Cap_Adi Tw_diﬀ Ratio_cool_ﬁrst Ratio_heat_ﬁrst 3 SET UNIT PROTECTION T_Diﬀ_Pro 4 SET DEFROSTING T_FROST T_DEFROST_IN T_FROST_OUT SET HEAT1 ENABLE DISABLE Temp_AuxHeat_ON Tw_Heat1_ON Tw_Heat1_OFF 5 SET HEATER HEAT1 HEAT2 DISABLE 6 CHCEK PARTS SV1 SV2 Pump Heat1 Heat2 7 CONTROL...

Page 67: ...o enter After the number is entered the display is not changed After entering the password press the OK button to enter the interface press the BACK button to go back to the previous interface the display is as follows if the input is incorrect Figure 3 7 8 PROJRCT password incorrect screen SORRY WRONY PASSWORD PLEASE INPUT AGAIN PROJECT MENU OK 0 0 0 0 The query interface as follows is displayed ...

Page 68: ...return to the home page b Set parallel unit Select SET PARALLEL UNIT and press the OK button to enter the interface The interface display is as follows Figure 3 7 11 Set parallel unit interface 80S Tim_ Cap_Adj Press the and buttons to select the desired option and press and buttons to set the temperature and press the OK button to save the setting and return to the previous interface or press the...

Page 69: ...s the OK button to save the setting and return to the previous interface or press the BACK button to cancel the setting and return to the previous interface If there is no operation in 60 seconds the wired controller will return to the home page e Set heater Select SET HEATER and press the OK button to enter the interface If it is controlled by single water pump The interface display is as follows...

Page 70: ...firming g Controller select Select CONTROLLER SELECT and press the OK button to enter the interface The interface display is as follows Figure 3 7 17 Controller select interface Operation instructions When select modbus YES and press OK button to acess the function User can use a host computer to communicate with the wried controller by modbus protocol and these operations on the wired controller ...

Page 71: ...t temperature 10 C to 10 C 0 C 1 C Capacity adjustment period 60s to 360s 80s 20S Hysteresis temperature setting 1 C to 5 C 2 C 1 C Delay closing time of water pump 2min to 5min 2min 1min Auxiliary electric heater opens water temperature 0 C to 50 C 25 C 1 C Auxiliary electric heater close water temperature 0 C to 50 C 45 C 1 C Water inlet and outlet temperature difference protection 8 C to 15 C 1...

Page 72: ...n Ed 1Ed A system discharge temperature sensor failure 2Ed B system discharge temperature sensor failure EF Unit water return temperature sensor Twi failure EH System self check failure alarm EP Discharge temperature sensor failure alarm EU Tz 7 Coil final outlet temperature sensor error P0 System high pressure protection or discharge temperature protection P1 System low pressure protection P2 Tz ...

Page 73: ...nic expansion valve xF9 Inverter module temperature sensor error Fb Pressure sensor error Fd Suction temperatrue sensor error xFF DC fan failure FP DIP inconsistency of multiple water pumps C7 If PL occurs 3 times the system reports the C7 failure L0 Compressor inverter module protection L1 DC bus low voltage protection L2 DC bus high voltage protection L4 MCE error L5 Zero speed protection L7 Pha...

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