Altech BT300i Technical Manual Download Page 42

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V1 JUIN 2010

ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual

3. PCB explanation

2.5 PCB I/O Ports description

Crank Heater

4-way valve

℃

Transformer

Input

Transformer

Output

Wire

Controller

Power Supply

Output

Panel
Display
output

Panel Display
Button input

Wire controller

Communication

Ambient

Temp. Sensor

T3:

Evaporator

output

Temp.

Sensor

T5_U:

Upper

tank

water Temp. senor

T5_L:

Lower

tank

water Temp. senor

Tp:

Comp

discharge

Temp.

senor

Th: Comp Suction
Temp. senor

Preserved

Remote On/OFF input from Solar
pre-warming system

low electrical level signal means
ON

High electrical level signal means
OFF

EEV

Fan

SW2 Factory setting
for

Auto-restart

element

model

selection

SW3 Factory setting
for Element On/Off

Remote On/Off Response

High electrical level signal
means HPWH ON

Low

electrical

level

signal

means HP OFF

High-Pressure
switch

Summary of Contents for BT300i

Page 1: ... Heater Technical Manual 1 BT300i Heat Pump Water Heater Technical Manual Version with Solar System Applicable Models BT300i Altech reserves the right to discontinue or change at any time specifications or designs without notices and without incurring obligations ...

Page 2: ...table 13 4 Dimensions 13 5 Service Space 14 6 Wiring Diagrams 14 7 Piping Diagrams 15 8 Duct connection 13 9 Exploded View 17 Part 3 Installation 20 1 Precautions 21 2 Installation information 22 3 Unit Appearance and Composition 23 4 Accessories 24 5 Inspecting and Handling the Unit 24 6 Electric Wiring 24 Part 4 Trial Operation 26 1 Confirmation before the trial operation 27 2 OPERATING INSTRUCT...

Page 3: ...L IN ONE Type Heat Pump Water Heater Technical Manual 3 Part 1 Part 1 Part 1 Part 1 General Information General Information General Information General Information 1 Measurements 4 2 External Appearance 4 3 Nomenclature 5 4 Features 6 ...

Page 4: ...Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4 1 Measurements Model Dimension mm OD x H Net weight Gross weight kg Power Supply BT300i Φ650 1920 113 129 220 240V 1ph 50Hz 2 External Appearance BT300i ...

Page 5: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 5 3 Nomenclature NC ...

Page 6: ...plosion etc c No cross contamination potential the condenser coil wrapped around the stainless steel inner tank 4 2 Max outlet water Temperature 60 The system is adopted innovative heating methods combined the Electric heating and Heat Pump heating properly made the water be heated stably and quickly 4 3 Flexible installation achieved by long air intake outlet duct with pressure 4 4 Built in heat ...

Page 7: ...nt cycle Save you much extra operation 4 6 High Efficiency and Energy Saving The unit adopts heat pump principle which absorbs heat from outdoor air and produce heat water thermal efficiency can be approximately 3 6 under the condition A15 12 W15 45 4 7 All the weather Running Within the temperature range from 30 to 43 it will not be affected by night cloudy sky rain even snow whether ...

Page 8: ...al Manual 8 Part 2 Part 2 Part 2 Part 2 Outdoor Outdoor Outdoor Outdoor U U U Units nits nits nits 1 Specifications 9 2 Operation range 13 3 Capacity COP table 13 4 Dimensions 13 5 Service Space 14 6 Wiring Diagrams 14 7 Piping Diagrams 15 8 Duct connection 13 9 Exploded View 17 ...

Page 9: ...eater Mode Max Input KW 4 3 Max current A 18 7 Starting current A 49 0 Model RB233GRDC Type Rotary Brand Guangzhou Mitsubishi electric Supplier Guangzhou Mitsubishi electric Capacity Btu h 9485 Input W 850 Rated current RLA A 4 3 Locked rotor Amp LRA A 30 Thermal protector 115 Capacitor uF 30 Crankcase W 25 Compressor Refrigerant oil ml 520 Model YDK30 6R Type AC Motor Brand Welling Insulation cla...

Page 10: ...valce Brand Watts active condition 99 or 0 7Mpa Rated pressure MPa 1 2 Max Operation pressure MPa 0 7 Water outlet Temp default 55 38 60 water pipeline Heat exchanger Copper tube wrapped around outside of tank Diameter water inlet pipe mm DN20 Diameter water outlet pipe mm DN20 Heat exchanger Surface heat exchanger Stailess steel SUS304 heat exchanger tupe Dim Length mm Φ22 10000 heat exchanger ar...

Page 11: ... HYBRID and E HEATER ECONOMY MODE Water firstly is heated by compressor if can t get target temp when ambient temp too low or too high limitation figure is shown above element will start as a secondary heat resource Hybird mode In case of massive hot water consumption compressor element will start at the same time E HEATER MODE Water is only heated by element ...

Page 12: ...5000 7 2 2 7 12 15 20 25 30 35 40 43 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 Capa W CO P W W Ambient Temperature Ambient temp Capacity W COP W W 7 1459 1 93 2 1614 2 08 2 1740 2 36 7 2156 2 8 10 2419 3 15 15 2926 3 6 20 3125 3 86 25 3523 4 07 30 3983 4 46 35 4230 4 63 40 4450 4 86 43 4621 4 95 Remark Water inlet temp 15 Water outlet temp 45 ...

Page 13: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 13 4 Dimensions ...

Page 14: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 14 5 Service Space 6 Wiring Diagrams ...

Page 15: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 15 7 Piping Diagrams ...

Page 16: ...Technical Manual 16 6 Duct connection A Air inlet outlet without canvas B Only air outlet with canvas A 10m When there is stable heat source in room in winter C Air inlet outlet with canvas A B 10m D Only air inlet with canvas A 10m Charge fresh air from ambient in summer ...

Page 17: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 17 9 Exploded View ...

Page 18: ...valve winding 14 Water tank forming ass y 1 24 3 Electronic expansion valve 14 1 Water tank upper cover ass y 1 24 4 Solenoid valve 14 2 Froth plug 2 25 Compressor 14 3 Temp sensor 1 26 Discharge temp sensor ass y 14 4 Magnesium Rod 1 27 room temp sensor ass y 14 5 Thermometer 1 28 Temp sensor ass y 14 6 Stator of temp sensor 1 29 Temperature sensor 14 7 Element 1 30 Pipe temp sensor ass y 14 8 Se...

Page 19: ... Manual 19 16 2 Compressor capacitor 1 36 Compressor wiring cables 16 3 Main control board ass y 1 37 Screw Platen 16 4 Transfomer 1 38 Rear scroll shell 16 5 Motor capacitor 1 39 drainage elbow 16 6 Wire joint 4 40 Rear net 16 7 Relay 2 41 Pipe temp sensor ass y 17 E box suppor 1 ...

Page 20: ...eater Technical Manual 20 Part 3 Part 3 Part 3 Part 3 Installation Installation Installation Installation 1 Precautions 21 2 Installation information 22 3 Unit Appearance and Composition 23 4 Accessories 24 5 Inspecting and Handling the Unit 24 6 Electric Wiring 24 ...

Page 21: ...ther objects into the air inlet or outlet When the fan 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 Never touch the air outlet or the horizontal blades while the swing flap is in operation Fingers may become caught or the unit may break down Never put any objects into the air inlet or outlet Objects to...

Page 22: ...arby It is convenient for piping and wiring CAUTION Installing the equipment in any of the following places may lead to malfunction of the equipment if it is inevitable consult the supplier 1 The site contains mineral oils such as cutting lubricant 2 Seaside where the air contains much salt 3 Hot spring area where corrosive gases exist e g sulfide gas 4 Factories where the power voltage fluctuates...

Page 23: ...n protected from the wind Carry the unit onto the site 1 In order to avoid scratch or deformation of the unit surface apply guard boards to the contacting surface 2 No contact of fingers and other things with the vanes 3 Don t incline the unit more than 45 in moving and keep it vertical when installing Install the unit 1 The circulating air for every unit should be more than 700m3 h 2 Make sure th...

Page 24: ...hen lifting the unit always use protectors to prevent belt damage and pay attention to the balance of the unit s gravity 6 Electric Wiring 6 1 Attention The water heater should powered separately and the power voltage should be in line with rated voltage The power supply circuit of the water heater should be earthed the power cord should be connected with the external earthing line in reliable sta...

Page 25: ...e a of junction box and the wiring b to the power supply equipment Please select the cable diameter according to the following methods 1 Diameter of the main line a Get from the power supply specification table according to the sum of horsepower of the unit 2 Diameter of the wiring from the junction box to the power supply equipment When the water heaters are less than 5 sets the diameter the wiri...

Page 26: ... Heater Technical Manual 26 Part 4 Part 4 Part 4 Part 4 Trial Operation Trial Operation Trial Operation Trial Operation 1 Confirmation Before the Trial Operation 277 2 Operating Instruction 27 3 PCB explanation 45 4 Maintenance 45 5 Malfunctions and Resolutions 47 ...

Page 27: ...w the steps below Water Affusion If the unit is used for the first time or used again after emptying the tank please make sure that the tank is full of water before turning on the power Method see figure 2 1 1 Hot water outlet Close Water out When water flows out from the water outlet the tank is full Turn off the hot water outlet valve and water a ffusion is finished Hot water outlet Cool water i...

Page 28: ...igure 2 1 2 Close Open Drainpipe Open Cool water inlet Hot water outlet Close the cool water inlet open the hot drainpipe water outlet and open the nut of After emptying please close the nut of drainpipe Close Drainpipe Em pt yi ng NOTE The outlet water temp may be very high when emptying beware of your body for burns 2 2 Operation 2 2 1 Control Panel Explanation Display Operation HYBRID MODE OUTL...

Page 29: ...en screen protection et blanks when screen protection 4 TEMP SET indicator Show the setting temperature and blank when screen protection Codes are show at the malfunction or protection time 12 TIME ON indicator It will light up when timing on mode is set blanks when screen protection et blanks when screen protection 5 LOCK indicator When the UI is locked it always lights 13 CLOCK indicator It disp...

Page 30: ... out And then run the unit c When the unit is running if there is no operation or malfunction for 20s the backlight of the display will go out automatically except Clock indicator and Water fill indicator If there no operation for 1min the unit will lock automatically but the lock indirator would be right all time 2 2 4 2 Lock and Unlock In order to prevent wrong operation a special lock function ...

Page 31: ...ashing will stop and clock set is successful Press the UP and DOWN key you can adjust the hou r Press the CLOCK key again the minute digit stops flashing while the hour digit starts Press the UP and DOWN key you can adjust the minute Press the CLOCK ke y the minute digit of the clock on the display starts flashing slowly ...

Page 32: ...large amount of hot water is needed d E heater Mode The unit heats water only by electric heater Used when the ambient temp is very low e By default the unit operates in Hybrid Mode Change Press the MODE key operation mode will be shifted among the three modes in a cycle meanwhile the corresponding indicator on the display will light up 2 2 4 5 Temperature Setting Temp displayed is the water temp ...

Page 33: ...flashing stops Press the UP and DOWN key you can adjust the hou r Press the TIMER ON key again the minute Press the UP and DOWN key you can adjust the minute the minute digit of the clock on the display starts flashing slowly Press the TIMER ON key CANCEL In the unlocked status press CANCEL key 1s and the TIMER ON function will be canceled 2 2 4 7 TIMER ON and TIMER OFF Users can set up a running ...

Page 34: ...te digit stops flashing and hour digit starts to flash Press the UP and DOWN key you can adjust the hour setting Press the TIMER OFF key the minute digit on the display start to flash slowly Press the UP and DOWN key you can adjust the hour setting Press the TIMER ON key again the minute digit stops flashing and hour digit starts to flash Press the UP and DOWN key you can adjust the minute setting...

Page 35: ...bove have finished and the system will run as the setting And simply press the same button to stop it 2 2 4 9 Operation status The LA code from the screen of set Temp will appear and remind user when ambience temp not meet the opetation condition of heat pump unit beyond 7 43 User can sw itch the economy mode to E heating mode in sure of enogh volume of hot water if need The unit will return opera...

Page 36: ... Technical Manual 36 ALARM The light will flash with Alarm Press CANCEL key to stop the buzzer The system will display the error code and the water tempera ture alternatively on the display in error The water temperature and error code will display alternatively OUTLET T ...

Page 37: ...cted On hybrid mode when T4 12 as well as hot water is consumed too fast compressor element will start at the same time under this condition if current I 32A system consider it as current overload protection shows P4 Or P9 E5 T4 Outdoor ambient temperature sensor error P8 When there is no current on element circuit consider it as element open circuit protection shows P8 when system OFF protection ...

Page 38: ...ect installation of the system 3 Correct connection of pipeline and wiring 4 Leakage of the refrigerant pipeline tested 5 Efficient drainpipe 6 Complete insulation protection 7 Correct earthing 8 Correct power supply 9 No obstacle outside the air inlet and outlet 10 No air in the water pipeline and all valve opened 11 Effective electric leakage protector 12 Sufficient inlet water pressure 0 15MPa ...

Page 39: ...i RB233GRDC R134a Element located in the mid of tank 3000W 230VAC TCO Temp Switch when water Temp 80 switch OFF when water Temp 60 switch ON High Pressure Switch switch OFF when 3 0MPa switch ON when 2 4MPa Fan Centrifugal type 220V 240V 50Hz 3 Speeds EEV Sanhua 1 3 EEV 4 Way Valve Hualu STF 02BN2 Compressor crankcase belt heater DJRD 390A 1300 25W Wire controller Optional KJR 90B 2 4 2 System I O...

Page 40: ...ing degree when defrosting 4min after defrosting EEV start regulating 2 4 5 Ambient Temperature a The system s operation temperature is within 30 43 and below are the operation temperature for each mode b Economy Mode 7 43 c Hybrid Mode 30 43 d E heater Mode 30 43 2 4 6 Self Protection Detection a When the self protection happens the system will be stopped and start self check and restart when the...

Page 41: ...t up and when all light up the water temperature has reached the set point c In water using the temperature of the lower part may decrease while the upper part still keeps a high one and the system will start heating the lower part And it is normal 7 Error Shooting a When common error happens the system enters Standby Mode and could still work but not so efficient as normal Please contact the tech...

Page 42: ... Sensor T3 Evaporator output Temp Sensor T5_U Upper tank water Temp senor T5_L Lower tank water Temp senor Tp Comp discharge Temp senor Th Comp Suction Temp senor Preserved Remote On OFF input from Solar pre warming system low electrical level signal means ON High electrical level signal means OFF EEV Fan SW2 Factory setting for Auto restart element model selection SW3 Factory setting for Element ...

Page 43: ...V1 JUIN 2010 ALTECH Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 43 Wiring explanation ...

Page 44: ...Water Heater Technical Manual 44 3 2 SW2 SW3 SETTING 3 3 Self checking function How to get in self checking function Press 2 buttons together Cancel Clock No Hour Low bit Min High bit Min Low bit Ts High bit Ts Low bit Tank Temp Low Tank Temp High Explanation ...

Page 45: ...revious 2nd t error or protection code 13 X X Previous 3rd error or protection code 14 Y M M D D Software version record by date 4 Maintenance 4 1 Maintenance 3 1 1 Check the connection between power supply plug and socket and ground wiring regularly 3 1 2 In some cold area below 0 if the system will be stopped for a long time all the water should be released in case of freezing of inner tank and ...

Page 46: ...p if the system is forced to run while startup requirement has not been met If the air outlet or inlet is jammed or strong wind blows to air outlet 3 2 3 Defrosting When it is humid and cold the condenser may defrost and the water heating capacity decrease And the system will stop heating water and start defrosting and then restart water heating 3 2 4 During defrosting the compressor keeps running...

Page 47: ...g indicator is damaged Reconnect the plug Set outlet water an a higher temperature Contact the technician No hot water from the outlet Tap water has been cut away Water pressure is too low Inlet valve has been closed It ll return to normal after water supplied Use it when the pressure is higher Open the inlet water valve Water leakage The joints on the pipeline are not sealed well Check and reseal...

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