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MAINTENANCE 

 

In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and 
the field wiring have to be carried out at regular intervals.   
 

BEFORE CARRYING OUT ANY MAINTENANCE OR REPAIR ACTIVITY, ALWAYS SWITCH ‘OFF’ THE 
CIRCUIT BREAKER ON THE SUPPLY PANEL, REMOVE THE FUSES OR OPEN THE PROTECTION 

DEVICES OF THE UNIT. 

MAKE SURE THAT BEFORE STARTING ANY MAINTENANCE OR REPAIR ACTIVITIES THE POWER 
SUPPLY TO THE OUTDOOR UNIT IS SWITCHED ‘OFF’. 

 
The described checks must be executed at least once a year. 
1.

 

Water pressure 

    Check if the water pressure is above 0.3 bar. If necessary add water. 

2.

 

Domestic hot water tank pressure relief valve (field supply)   

Applies only to installations with a domestic hot water tank. 
Check for a correct operation of the pressure relief valve on the domestic hot water tank. 

3.

 

Domestic hot water tank booster heater(field supply) 

Applies only to installations with a domestic hot water tank.   
It is advisable to remove lime build up on the booster heater to extend its life span, especially in 
regions with hard water. To do so, drain the domestic hot water tank, remove the booster heater 
from the domestic hot water tank and immerse in a bucket (or similar) with lime-removing product 
for 24 hours. 

 

 
 

Summary of Contents for SDAW4.6-220

Page 1: ...Domestic Hot Water Heat Pump Installation and Service Manual Model SDAW3 5 220 Model SDAW4 6 220 SDAW6 7 220...

Page 2: ...ECKING AND ADJUSTMENT 14 Parameter list 14 Malfunctions and error codes 15 Wiring diagram 16 INSTALLATION OF THE UNIT 17 Installation guidelines 17 Precautions for selecting the location 17 Selecting...

Page 3: ...ghly e cient with low running costs Its e ciency can be up to 3 4 times more than conventional gas boiler or electrical heater It can o er hot water all year around Also it can be compatible with the...

Page 4: ...3 Cycle diagram The whole cycle diagram is shown below...

Page 5: ...en insufficiently installed the unit could fall causing injury When installing the unit in a small room please take measures like sufficient ventilation to prevent the asphyxia caused by the leakage o...

Page 6: ...C250V T3 15AL Power cord H07RN F 1 5mm An all pole disconnection device which has at least 3mm clearances in all poles and have a leakage current that may exceed 10mA the residual current device RCD h...

Page 7: ...d running fan or an electrical shock Do not continue to run the unit when there is something wrong or there is a strange smell The power supply needs to be shut off to stop the unit otherwise this may...

Page 8: ...7 OVERVIEW OF THE UNIT External view SDAW3 5 220...

Page 9: ...8 OVERVIEW OF THE UNIT External view SDAW4 6 220 SDAW6 7 220...

Page 10: ...p cover 2 Air outlet grill 11 Electrical box 3 Fan motor 12 Compressor 4 Fan 13 Water pump 5 Fan motor holder 14 Manometer 6 Side grill 15 Back right panel 7 Back holder 16 Shell tube heat exchanger 8...

Page 11: ...10 Manometer 2 Air outlet grill 11 Shell tube heat exchanger 3 Fan 12 Four way valve assembly 4 Fan motor 13 Pressure relief valve 5 Fan motor holder 14 Water pump 6 Evaporator 15 Electrical box 7 Bac...

Page 12: ...IFIED SERVICE PERSON TO DO THIS Features and functions Basic controller functions The basic controller functions are Turning the heat pump ON OFF 24 hours real time clock Timer ON and timer OFF Parame...

Page 13: ...djustment of the timer LCD icons 1 Cooling mode The icon indicates that the current operation mode is cooling Remark For model SDAW3 5 220 SDAW4 6 220 SDAW6 7 220 only heating mode is available 2 Heat...

Page 14: ...r to parameter list Adjust parameter 0 and 1 during standby status after entering parameter checking interface parameter 0 and parameter 1 can be set only by pressing or button Finally setting can be...

Page 15: ...ng can be saved automatically after 10 seconds no action NOTE 1 The timer ON and timer OFF functions should be set together 2 Press the button to cancel the timer setting during the timer programming...

Page 16: ...or message Protection Malfunction Error code Error Indicator LED Inlet water temp sensor failure PP 01 One flash one black Outlet water temp sensor failure PP 02 2flash 1 black Evaporator coil temp se...

Page 17: ...16 WIRING DIRGRAM...

Page 18: ...ble gas leakage in a nearby place 8 Install units power cords and inter unit cables at least 3m away from television and radio sets This is to prevent interference to images and sounds 9 Depending on...

Page 19: ...of the foundation bolts in accordance with the foundation drawing It is best to screw in the foundation bolts until their length remains 20mm above the foundation surface Water pipe work Checking the...

Page 20: ...TO MALFUNCTION If air moisture or dust gets in the water circuit problems may occur Therefore always take into account the following when connecting the water circuit Use clean pipes only Hold the pi...

Page 21: ...nents must be installed by a licensed electrician and must comply with relevant European and national regulations The eld wiring must be carried out in accordance with the wiring diagram supplied with...

Page 22: ...ed properly and that the earth terminals are tightened 4 Internal wiring Visually check the switch box on loose connections or damaged electrical components 5 Fixation Check that the unit is properly...

Page 23: ...s high speed III If the water flow in the system is too high e g noise of running water in the installation the speed can be lowered I or II The available external static pressure ESP expressed in mH2...

Page 24: ...ce a year 1 Water pressure Check if the water pressure is above 0 3 bar If necessary add water 2 Domestic hot water tank pressure relief valve field supply Applies only to installations with a domesti...

Page 25: ...n an error occurs or the protection mode is set automatically the circuit board and the wired controller will both display the error message Protection Malfunct ion Error code Possible reasons Correct...

Page 26: ...utdoor Unit PCB Low pressure protection EE 02 1 Too less refrigerant 2 The electronic expansion valve assembly damaged 3 Pressure switch failure 4 Outdoor Unit PCB damaged 1 Check leakage and charge m...

Page 27: ...168 28 957 29 765 61 0 1 386 1 418 1 451 14 0 26 816 27 554 28 308 62 0 1 343 1 374 1 406 13 0 25 538 26 227 26 932 63 0 1 301 1 331 1 362 12 0 24 328 24 972 25 631 64 0 1 260 1 290 1 321 11 0 23 183...

Page 28: ...5 198 5 252 100 0 0 439 0 455 0 470 25 0 4 950 5 000 5 050 101 0 0 428 0 443 0 458 26 0 4 761 4 811 4 861 102 0 0 416 0 431 0 446 27 0 4 580 4 630 4 680 103 0 0 405 0 420 0 434 28 0 4 408 4 457 4 507...

Page 29: ...L H 75 110 155 Running temperature range 10 43 Refrigerant type R410A Compressor PANASONIC TOSHIBA Rotary Max Current 5 3A 7 5A 10 9A Water circuit Heat exchanger Tube in shell heat exchanger Water pu...

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