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Figure 2-6.3:

Wiring diagram of

ALLWH800R410

MCAC-HTSM-201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual

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Summary of Contents for ALLWH200R410

Page 1: ... R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual Applicable Models ALLWH200R410 ALLWH420R410 ALLWH800R410 Alliance reserves the right to discontinue or change specification or design at any time without notice and without incurring obligation ...

Page 2: ...2 Content Part 1 General Information 3 Part 2 Performance 6 Part 3 Installation 34 Part 4 Wired Controller 67 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 3: ...3 Part 1 General Information 1 Product lineup 4 2 External Appearance 4 3 Nomenclature 5 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 4: ... ALLWH200R410 380 415V 3Ph 50Hz ALLWH420R410 380 415V 3Ph 50Hz ALLWH800R410 380 415V 3Ph 50Hz 2 External Appearance Figure 1 2 1 External Appearance ALLWH200R410 ALLWH420R410 ALLWH800R410 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 5: ...pe Refrigerant type N1 R410A Direct heating type Pressure water tank Power supply 380 415V 3Ph 50Hz Nominal heating capacity 420 100W OOLDQFH heat pump water heater OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 6: ...ons Unit mm 11 4 Service Space Unit mm 14 5 Refrigerant circuit 17 6 Wiring Diagrams 20 7 Main PCB descriptions 23 8 Electrical Characteristics 29 9 Capacity Table 30 10 Accessories 33 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 7: ... Multi protection High and low pressure protection over load current protection anti freezing function etc Multi temperature sensors constantly monitor the unit s operating status Max 6 units can be connected in parallel 20kW Max 4 units can be connected in parallel 39kW Max 2 units can be connected in parallel 80kW User friendly wired controller as standard real time clock function power oﬀ memor...

Page 8: ...t exchanger Type Finned tube Number of rows 2 Number of circuits 10 Water side heat exchanger Double pipe heat exchanger Refrigerant Type R410A Charged volume kg 2 9 Throttle type Electronic expansion valve Outdoor noise level dB A 63 Unit dimension W H D mm 740 1095 740 Packing dimension W H D mm 830 1225 830 Net Gross weight kg 157 172 Water piping connections Dia mm DN25 Wire controller KJR 51 ...

Page 9: ...Type Finned tube Number of rows 2 Number of circuits 19 Water side heat exchanger Double pipe heat exchanger Refrigerant Type R410A Charged volume kg 4 5 Throttle type Electronic expansion valve Outdoor noise level dB A 66 Unit dimension W H D mm 1 015 1 775 1 026 Packing dimension W H D mm 1 070 1 900 1 030 Net Gross weight kg 323 343 Water piping connections Dia mm DN32 Wire controller KJR 51 BM...

Page 10: ...ype Finned tube Number of rows 2 Number of circuits 20 20 Water side heat exchanger Double pipe heat exchanger Refrigerant Type R410A Charged volume kg 4 4 2 Throttle type Electronic expansion valve Outdoor noise level dB A 68 Unit dimension W H D mm 1 995 1 770 1 025 Packing dimension W H D mm 2 080 1 895 1 120 Net Gross weight kg 599 627 Water piping connections Dia mm DN50 Wire controller KJR 5...

Page 11: ...11 3 Dimensions Figure 2 3 1 Dimensions of ALLWH200R410 Unit mm OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 12: ...12 Figure 2 3 2 Dimensions of ALLWH420R410 Unit mm MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 13: ...13 Figure 2 3 3 Dimensions of ALLWH800R410 Unit mm OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 14: ...14 4 Service Space Figure 2 4 1 Service Space of ALLWH200R410 Unit mm MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 15: ...15 Figure 2 4 2 Service Space of ALLWH420R410 Unit mm OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 16: ...16 Figure 2 4 3 Service Space of ALLWH800R410 Unit mm MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 17: ...17 5 Refrigerant circuit Figure 2 5 1 Refrigerant circuit of ALLWH200R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 18: ...18 Figure 2 5 2 Refrigerant circuit of ALLWH420R410 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 19: ...19 Figure 2 5 3 Refrigerant circuit of ALLWH800R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 20: ... T7 Th TP 5 4 4 White FAN Drive board 8 9 A B C D E F 7 6 5 4 3 2 1 0 Y G SV2 T6 ON 3 4 DIP 2 ON 3 4 DIP 2 S3 1 Warm water valve SV1 Compressor Fan Capacitor Black Black Low wind High wind Red White Blue Red White Blue Black Blue Black Black Black Red Blue Blue Black Red Red White Blue Black Red White Blue Black AC Contactor II White Black Black Red Brown Brown Blue Blue Blue Blue Blue White White...

Page 21: ...21 Figure 2 6 2 Wiring diagram of ALLWH420R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 22: ...22 Figure 2 6 3 Wiring diagram of ALLWH800R410 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 23: ... Figure 2 7 1 Main PCB description of ALLWH200R410 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 24: ...nection 13 CN15 Low pressure switch connection 14 CN40 P Q E communication port 15 CN3 Water flow switch connection 16 CN2 Remote on off switch connection 17 CN36 Wired controller power supply 18 CN38 Transformer output 19 CN28 Water flow control valve connection 20 CN25 Electronic expansion valve connection 21 CN24 Remote alarm connection 22 CN41 Circuit water pump and E heater control 23 CN16 4 ...

Page 25: ...7 2 Main PCB description of ALLWH420R410 0 1 2 3 4 5 6 7 8 12 13 14 15 16 21 19 22 23 24 25 30 29 31 32 33 34 18 17 11 10 9 20 26 27 28 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 26: ... sensor connector 12 CN44 Compressor current detection port 13 Dial switch 14 Address dial code 15 Check switch 16 Digital pipe 17 CN31 AC power input 18 CN42 Fan motor connection 19 CN32 Transformer input 20 CN13 Compressor connection 21 CN7 Refrigerant pipe E heating connection 22 CN57 Electric ball valve on 23 CN56 Electric ball valve off 24 CN11 Compressor crank E heating connection 25 CN17 So...

Page 27: ...7 3 Main PCB description of ALLWH800R410 0 1 2 3 4 5 6 7 8 12 13 14 15 16 21 19 22 23 24 25 30 29 31 32 33 34 18 17 11 10 9 20 26 27 28 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 28: ... sensor connector 12 CN44 Compressor current detection port 13 Dial switch 14 Address dial code 15 Check switch 16 Digital pipe 17 CN31 AC power input 18 CN42 Fan motor connection 19 CN32 Transformer input 20 CN13 Compressor connection 21 CN7 Refrigerant pipe E heating connection 22 CN57 Electric ball valve on 23 CN56 Electric ball valve off 24 CN11 Compressor crank E heating connection 25 CN17 So...

Page 29: ...6V 456V Power supply MCA 10 5 21 26 TOCA 18 30 60 MFA 18 30 60 Compressor MSC 74 118 142 RLA 11 8 16 6 20 7 OFM Rated motor output kW 0 13 0 8 0 8 FLA 1 1 3 7 3 7 Abbreviations MCA Min Current Amps A MFA Max Fuse Amps A TOCA Total Over current Amps A MSC Max Starting Amps A RLA Rated Locked Amps A OFM Outdoor Fan Motor FLA Full Load Amps A OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manu...

Page 30: ...0 24 48 4 97 55 23 80 4 53 60 23 25 4 15 25 15 40 23 54 5 47 45 22 82 4 98 50 22 67 4 58 55 22 61 4 25 60 22 76 3 99 20 15 40 21 76 5 16 45 21 71 4 76 50 21 64 4 39 55 21 22 4 02 60 21 18 3 75 15 9 40 20 35 4 91 45 20 22 4 51 50 20 27 4 17 55 19 52 3 73 60 19 20 3 44 7 9 40 17 41 4 30 45 17 22 3 85 50 16 71 3 41 55 16 48 3 26 2 9 40 16 50 3 05 45 12 20 3 11 50 11 90 2 85 55 11 76 2 66 0 9 40 11 82...

Page 31: ...9 55 47 61 4 68 60 45 03 4 45 25 15 40 42 04 5 09 45 42 62 4 86 50 42 72 4 60 55 44 28 4 34 60 42 49 3 93 20 15 40 41 15 4 85 45 41 65 4 60 50 41 59 4 30 55 39 76 4 01 60 38 96 3 37 15 9 40 35 70 4 62 45 36 61 4 38 50 37 22 4 14 55 37 54 3 90 60 37 10 3 48 7 9 40 32 23 4 65 45 30 83 4 29 50 29 43 3 96 55 27 68 3 67 2 9 40 25 76 3 28 45 23 20 2 99 50 20 64 2 72 55 19 59 2 48 0 9 40 19 21 2 88 45 21...

Page 32: ... 4 68 55 87 70 4 39 60 87 34 4 16 25 15 40 83 06 4 86 45 83 64 4 64 50 83 74 4 39 55 83 70 4 15 60 83 51 3 92 20 15 40 80 63 4 89 45 81 13 4 64 50 81 07 4 33 55 81 05 4 04 60 80 94 3 79 15 9 40 73 19 4 55 45 74 11 4 32 50 74 72 4 07 55 75 04 3 84 60 75 09 3 62 7 9 40 65 25 4 04 45 63 85 3 72 50 62 45 3 44 55 61 05 3 19 2 9 40 55 09 3 44 45 52 53 3 14 50 49 97 2 86 55 47 41 2 60 0 9 40 46 87 2 98 4...

Page 33: ...ation and owner s manual 1 Y shaped filter1 1 Wired controller 1 Temperature sensor for domestic hot water tank 1 Transit line for wired controller 1 Notes 1 Y shaped filter is not available for ALLWH800R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 34: ...t 3 Installation 1 Safety information 35 2 Unit Installation 36 3 Trial run 51 4 Fault analysis and solutions 52 5 Maintenance 65 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 35: ...n is rotating at high speed it will cause injury Never use a flammable spray such as hair spray lacquer paint near the unit It may cause a ﬁre This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person ...

Page 36: ... touch and a machine malfunction may be caused Do not turn oﬀ the power supply System will stop or restart heating automatically A continuous power supply for water heating is necessary except during servicing and maintenance 2 Unit Installation Except for accessories supplied by factory the water ﬂow switch should be supplied by site The cut oﬀ value of switch should be more than V V 0 1m3 h Amou...

Page 37: ...37 2 1 Unit outlook Figure 3 2 1 Unit outlook ALLWH200R410 ALLWH420R410 ALLWH800R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 38: ...t after installation The lifting angle of the rope should larger than 60 For ALLWH420 and ALLWH800R410 the distance between the hood and air outlet meshes should be more than 1 meter and ensure that the hood has enough strength as well as reliability in handling process Unit gradient α should be less than 3 Handle with care avoid bumping or dragging the unit Do not stand in handling operating radi...

Page 39: ...unit should be located on a concrete foundation and the concrete plinth should extend below frozen soil layer The foundation of the unit should not be connected to the foundation of the building to prevent transfer of noise and vibration The base of the unit is pro vided with installation holes which can be used to connect the unit ﬁrmly to the foundation In case of installation on a roof the roof...

Page 40: ...requirements regarding lightning prooﬁng of entire water system must be observed 2 4 Distance of unit ground screws Figure 3 2 5 Distance of unit ground screws Unit mm ALLWH200R410 ALLWH420R410 ALLWH800R410 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 41: ...41 2 5 Unit installation space Figure 3 2 6 Unit installation space Unit mm ALLWH200R410 ALLWH420R410 ALLWH800R410 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 42: ...ALLWH800R410 DN50 DN50 Water pipeline system design and construction must comply with national water and heating pipeline design requirements and standards It is recommended to use PPR piping and PPR pipe speciﬁcations are referred to in table above Dust and contamination must be prevented from entering into the piping system during installation and connection The water ﬂow switch which is used to...

Page 43: ... DN32 2 DN50 DN50 3 DN65 DN65 4 DN80 DN80 Table 3 2 4 Water pipe joint specifications for multi units ALLWH800R410 Amount of units connected in parallel Water inlet pipe joint Water outlet pipe joint 1 DN50 DN50 2 DN80 DN80 Diagram of water pipe system Figure 3 2 1 Single unit connection OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 44: ...ve Flexible rubber joint soft connect Water pump Water using end Water supply controller Solenoid valve Pressure reducing valve Reflux valve Auto air exhaust valve Pressure gauge E heater Y shape filter Water flow switch MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 45: ...tiv Water re Circulativ Water re Resistance t water circula ump cannot be p selection ve heating rat sistance of ci ve heating rat sistance of ci ative pump m lower than 8 ted water ﬂo rculative rate ted water ﬂo rculative rate Water ﬂo must use hot w 0 C w ed water ﬂow w ed water ﬂow w water pump w w the tempera ature resistan 160 kPa 7 m3 h 160 kPa 14 m3 h 160 kPa nce of the circ culative y led ...

Page 46: ... is merely a recommendation Make sure E heater is covered with water all the time actual setting needs to be determined by conditions 2 9 Electric connection of the unit Only use the electric components speciﬁed by the product manufacturer Electronic installation must comply with the local regulations An independent power supply should be utilised one that satisﬁes the electrical requirements of t...

Page 47: ... supply 380 415V 3Ph 50Hz Min wire size metal pipe synthetic resin pipe wire Wire size 30m 6mm2 Ground wire 4mm2 Manual switch Capacity 50A Fuse 30 A Leakage protector 30mA 0 1sec below ALLWH420R410 Power supply 380 415V 3Ph 50Hz Min wire size metal pipe synthetic resin pipe wire Wire size 30m 10 UL1015 Ground wire 10 UL1015 Manual switch Capacity 63 A Fuse 50 A Leakage protector 30mA 0 1sec below...

Page 48: ...pump controlling wire 18 2 core Remote alarm control wire 18 2 core Communication cable shielded 22 3 core Wired controller power supply wire 22 2 core Water flow switch 22 2 core Wiring diagram of water heater power Single unit Multi units MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 49: ...ic control schematic diagram of the unit Only for reference When power supply wire of the wired controller is less than 20m wiring can be utilised as shown OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 50: ...hen all the units will not heat water and will go into backup mode When the host unit has other errors except E1 E2 E8 other units will not be aﬀected When the slave unit displays an error only the opera on of the error unit stops other units will not be aﬀected Dial code specification S3 1 Remote ON OFF functional status OFF inactive default ON active S3 2 Defrost periodical choice OFF default ti...

Page 51: ...ntroller to operate the water heater please check the items during trial running in the table 3 3 2 Table 3 3 2 Checking list during trial running No Item 1 Whether all the buttons of wired controller are normal 2 Whether the input voltage of the unit meets the requirements of the unit 3 Whether the electronic lock has been unlocked 4 Whether the water outlet temperature is normal 5 Whether there ...

Page 52: ...ay not reach the higher setting temperature which is a normal phenomenon The terminal circulating water temperature is lower than the setting temperature For purpose of protecting the unit the terminal circulating water temperature cannot reach 60ºC which is a phenomenon and will not aﬀect the actual operation After the unit is stopped there is a 3 minute Compressor delay protection It is a normal...

Page 53: ...rating or operating abnormally 1 Power errors Check and repair 2 Relay error Replace the relay 3 There is gas in the water pipe Drain off the gas Compressor turns ON and OFF frequently 1 Bad circulation of water system Water system is blocked or there is air in the system Check the water pump valves pipeline and clean the water ﬁlter or drain oﬀ the air 2 Low load Adjust the load or add stored ene...

Page 54: ...oor ambient temperature sensor T4 7 E7 Error of E heater pipe temperature sensor T6 reserved 8 E8 Error of circulating water flow detector Only host unit displays 9 E9 Error of suction temperature sensor Th 10 Ed Error of water inlet temperature sensor T7 11 EA Error of discharge temperature sensor Tp 12 EE Error of EEprom 13 P0 System low pressure protection 14 P1 System high pressure protection ...

Page 55: ... of stop frequency will not be cleaned The latest 3 protections or error codes will be displayed through spot check Through the spot check button on PCB board the operating status of unit can be checked This simpliﬁes maintenance by engineering technicians Press check button once it will ﬁrst display check sequence number No and dot then one second later display the parameter OOLDQFH R410A Direct ...

Page 56: ...V opening 15 Warm water valve opening Warm water valve opening 16 Water level height Host unit 0 4 0 S4 S4 1 S3 S3 2 S2 S2 3 S1 4 S1 Slave 17 Operating mode Standby stop 0 Directly heat type 1 Circulation type 2 Defrosting dF Anti freezing db Remote ON OFF signal closure d8 18 Fan speed F0 No fan F1 Low F2 Medium F3 High 19 Model code Direct and circulate heating for closed tank with 50Hz model 3A...

Page 57: ...equence error E2 Communication error of host unit and wired controller main unit and slave unit E8 Error of circulating water flow detector Only host unit displays OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 58: ...er temperature sensor T3 E6 Error of outdoor ambient temperature sensor T4 E7 Error of E heater pipe temperature sensor T6 reserved E9 Error of suction temperature sensor Th Ed Error of water inlet temperature sensor T7 EA Error of discharge temperature sensor Tp EE Error of EEprom MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 59: ...59 P0 System low pressure protection OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 60: ...60 P1 System high pressure protection MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 61: ...61 P2 Compressor current of system is overloadHG Notes the value of Io is 30A OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 62: ...62 P4 Protection for discharge Hi temperature Tp 115º C MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 63: ...t will display P7 and wired controller will display E2 Power supply of wired controller is 10VAC if the power supply is not stable the code of protection or error will also be displayed OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 64: ...4 P8 Water outlet Hi temperature protection 68º C and keep 2 minutes C1 Compressor current is less than 2A during operation MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 65: ...t in the unit and check the inner pipe connectors of the unit and whether the high and low pressure detection ports of the refrigerant has oil dirt to make sure the unit has no refrigerant leakage Check the electricity for the electricity leakage protector After the unit has operated for a period of a month or longer the earth leakage switch should be checked by pressing the test button If power i...

Page 66: ...an have a corrosive eﬀect on eyes nose skin etc so protective devices such as protective glasses gloves mask etc should be used in the cleaning process PH value Total hardness Electrical conductivity Sulphate ion 6 5 8 0 50ppm 200μs cm 25ºC 50ppm Silicon Iron content Sulfide ion Chloride ion 30ppm 0 3ppm None 50ppm Ammonia ion Sodium ion Calcium ion None None 50ppm MCAC HTSM 201801 Alliance R410A ...

Page 67: ...Part 4 Wired Controller 1 Specifications 68 2 Introduction of function buttons 68 3 Operation instruction 70 4 Installation 76 OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

Page 68: ... 2 Introduction of function buttons The wired controller KJR 51 BMKE A is universal controller and some functions as reserved are not available for this unit Operation icon Indicates unit ON and OFF status the icon displays when the unit is on and does not display when the unit is off Mode area Indicates the main unit operating mode Setting temperature 3 statuses can be displayed MCAC HTSM 201801 ...

Page 69: ...ntenance by professionals Online quantity indication Under normal status displays the quantity of units connected to the wired controller under check status displays the device serial number Water level indication Under normal status displays water level under water level setting status displays setting value Clock Under normal status displays clock under timing setting displays the setting timing...

Page 70: ... timing when timing is valid 16 Auxiliary key Powers on the cycle heating function electric auxiliary heating function or water pump function 3 Operation instructions 3 1 Turn on and turn off the main unit Press the ON OFF key to control on and off status of the main unit Under off status press the ON OFF key to run the main unit at that time the LCD of wired controller will display the operation ...

Page 71: ...perature setting press or key under the main page the page displayed after the controller is powered on Timing setting 3 timing periods can be set on the wired controller Timer 1 Timer 2 Timer 3 These 3 timers can control the main unit to be turned on and off 3 times at most during a day Press SET key under main page twice to enter timing setting Then the LCD will display as the following At this ...

Page 72: ... 1 off press the or to adjust press key when finished the LCD will display as the following At this time the hour of the clock will flash it means the current setting is the hour of the Timer 2 on And the following setting method will be the same as the Timer 1 Similarly the setting of Timing 3 is the same as this method After setting is finished press OK key or wait for 7 seconds to confirm the s...

Page 73: ...ive timing periods will be cancelled To avoid timing error each period of timing should not overlap e g Set the cycle heating water temperature Reserved Continuous press SET key 3 times to enter cycle heating water temperature setting The LCD will display SET CYCLE WATER TEMP and temperature value will flash Press the or key to adjust the temperature value press OK key or wait for 7 seconds to con...

Page 74: ... Setting the clock should be correct otherwise correct timings cannot be set Set water level Reserved Press the SET key 5 times to enter the water level setting Press the or key to adjust the water level Press OK key when finished or wait for 7 seconds to confirm During the setting process press the CANCEL key to exit without saving The setting value is 50 75 or 100 Press the or key to check the w...

Page 75: ...lash and then press OK key to confirm The PUMP icon will be on if the pump running requirement is fulfilled and will be off if not fulfilled Cancel auxiliary To stop the auxiliary function press the AUXILIARY key again and then press CANCEL key when the corresponding icon is flashing Then the auxiliary function will be cancelled 3 4 Check Check function allows the user to check all the operating p...

Page 76: ...sh Press and hold SET key for 3 seconds to enter check status and then press the or key to check the unit of 0 15 If the ERROR icon is on it means the corresponding unit has error or protection at that time The last 3 error or protection codes of the unit can be checked The error icon will disappear if the error or protection is cleared For the error code refers to trouble shooting part 4 Installa...

Page 77: ...ller near the lamps to avoid the signal of the controller being disturbed Do not install the unit in a place where there is much oil steam or sulphide gas Otherwise the product may be damaged and fail 4 2 Preparation before installation Check whether the following assemblies are complete Name Qty Remarks Wired controller 1 Cross round head wood mounting screw 3 M4 20 for mounting on the wall Cross...

Page 78: ...78 4 3 Dimensions 4 4 Wire connection There are two methods to connection between wired controller and main unit MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 79: ...s to directly install the back cover on the wall Use two M4 25 screws to install the back cover on the 86 electrician box and use one M4 20 screw for fixing on the wall Adjust the length of two plastic screw bars in the accessory to be standard length from the electrical box screw bar to the wall Make sure when installing the screw bar to the electrical box screw bar that it is ﬂat against the wal...

Page 80: ...ter installation and then install the wired controller back to the bottom cover Over fastening the screw will lead to deformation of back cover 4 6 Wire outlet Avoid water entering the wired controller use trap and putty to seal the connectors of wires during wiring installation Method 1 Method 2 Method 3 MCAC HTSM 201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual ...

Page 81: ...e front cover Avoid clamping the communication switching wire during installation Correctly install the back cover and firmly attach the front cover and back cover otherwise the front cover may drop off OOLDQFH R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC HTSM 201801 ...

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