Sundez SDDC-050-B, Installation Instructions Manual

Page 1: ...DC INVERTER AIR TO WATER SPLIT HEAT PUMP INSTALLATION INSTRUCTION MANUAL R410A Verson 2013 01 Eco friendly DC inverter technology Energy saving Safe ...

Page 2: ...door Unit 7 4 Installation of Water Tank 7 5 Connect Indoor and Outdoor Unit 7 6 Installation of Water Pipeline 7 7 Installation of Power Source 8 Controller 8 1 User Interface 8 2 Button Function 8 3 Parameter Setting 8 4 Timer Function 8 5 Display Function 8 6 Error Codes 8 7 Memory Function 9 Maintenance 10 Trouble Shooting 01 02 03 03 04 05 05 06 07 09 09 11 12 16 16 17 18 19 19 19 19 20 21 DC...

Page 3: ...tion instructions is not followed Use in compliance with the documentation This manual describes installation and service procedures for implementation by specialists 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 th...

Page 4: ...le Design and Strict Quality Control Standard safety features for the refrigerant circuit include high pressure switch and low pressure switch to detect loss of refrigerant as well as deficient water flow Equipment safety features include water loop temperature monitoring voltage protection water coil freeze protection All safety features are tested and run at the factory to assure proper operatio...

Page 5: ...facturer SD Sundez Eco energy Solution Co Ltd DC Direct current inverter 050 2HP 075 3HP 125 5HP 4 Model Number Nomenclature 5 Specification DC Inverter Heat Pump 03 A vertical fan discharge B horizontal fan discharge ...

Page 6: ...075 B SDDC 125 B Plate type Heat Exchanger Wilo Circulation Pump Refrigerant Outlet Refrigerant Inlet Water Inlet Water Outlet Aviation Plug H L W H L W Model L mm W mm H mm SDDC 050 B 830 310 710 SDDC 075 B 880 360 800 SDDC 125 B 930 390 1270 DC Inverter Heat Pump 04 ...

Page 7: ...City water Radiator Shower C Floor heating Floor heating Filter Filter shower DHW only floor heating DHW 30L AAV AAV AAV APV CV WP MFV MFV APV CV WP Note AAV Auto air exhaust valve APV Auto pressure bypass valve CV Control valve WP Water pump MFV Manifold valve 7 Installation 7 1 Installation Diagram floor heating radiator DHW DC Inverter Heat Pump 05 ...

Page 8: ...ondensation water must be led off to a drain or similar The outdoor unit should be installed in a ventilated place with enough space for air inlet and outlet while without thermal radiation or other heat source Besides the air outlet should not be against the wind Generally horizontal air flow type heat pump does not need sheltering The structure design has protected all internal components agains...

Page 9: ...e damage The heat pump should not be installed in the air in case of crash accident The installation place should be with good ventilation condition The inlet and outlet of the air blower are illustrated in the following diagram The installation space should be referred as follows Water drainage should be available near the installation location for draining water in an effective way Do not instal...

Page 10: ...of compressor the maximum installation distance of outdoor and indoor unit is 5 meters do not allow to longer than 10 meters Additional refrigerant is required to fill up which is according to the actual situation 260 mm 200 mm Expansion Bolt x 2 Hanging bracket x1 Installation 1 Position the indoor unit at right height 2 Drill two hole for the expansion bolt 3 Insert the expansion bolt to the hol...

Page 11: ...nt copper pipes Wiring Tape Liquid pipe Gas pipe Insulation As below picture shown it must take the insulation treatment for the refrigerant pipes and could use the 15mm thickness PVC Pack the two refrigerant copper pipes by insulation material separately in order to organize the pipes easily by enswathing two pipes together and should not be forced tied too closely to prevent the frost caused by ...

Page 12: ...ke sure the absolute pressure is less than 70Pa 3 After finishing vacuuming take off the multiplex manometer and screw the cap then open the refrigerant inlet and outlet to release refrigerant from the outdoor unit to the whole system until the pressure is balanced Finally please check the joints with suds It is necessary to perform leakage check after finishing the refrigerant copper pipes connec...

Page 13: ...ne between heat pump unit and water tank should be considered if plastic pipeline such as PPR and ABS In winter heat preservation may beed to be carried out for the water supply valve and the stop valve of the system according to local ambient temperature for avoiding icing of the water supply pipe and the valves Keep the water pipes staight and the pipeline allocation reaonable Reduce pipe turnin...

Page 14: ...ed electricians must carry out the installation in accordance with these instruction Before any work isolate the equipment from the power supply The heat pump must be able to be separated from the main power supply by an additional isolator which disconnects all poles with at least 3mm contact separation For this purpose use contactors main isolators fuses and so on Below is the recommended specif...

Page 15: ... NO COM K1 N BRIDGE RECTIFIER S C R CN1 N U V W P Outdoor unit wire diagram To indoor unit CN13 CN31 CN14 BLK BLU Y G L N S Y G L N S1 S2 RED WHI BLU P6 P3 P4 P2 P5 P1 N out P out N in P in CN1 BLK RED WHI Power supply Y G EV TRANSFORMER CN2 CN1 CN4 CN11 t 2 CN7 CN16 CN12 CN10 CN9 CN17 t 2 t 2 Inlet water Outlet water CN8 M C 4 Display Board NO COM To outdoor unit L N S Indoor unit wire diagram RE...

Page 16: ...Wiring Diagram DC Inverter Heat Pump 14 Model SDDC 125 B Outdoor unit wire diagram ...

Page 17: ... Pump Model SDDC 125 B Indoor unit wire diagram TRANSFORMER CN2 CN1 CN4 CN11 t 2 CN7 CN16 CN12 CN10 CN9 CN17 t 2 t 2 Inlet water Outlet water CN8 M C 4 Display Board NO COM To outdoor unit L N S RED BLU WHI RED BLU 15 ...

Page 18: ...e heat pump is at timer off This LED is on when the compressor is running This LED is on when the auxiliary heater is on This LED is on when the heat pump is in cooling mode when the heat pump is made as heating cooling type This LED is on when the heat pump is in heating only mode when the heat pump is made as heating only type as standard AUX COOL H O HEAT TIMER ON TIMER OFF COMP This LED is on ...

Page 19: ...R ON lights up Note Now it switches into the TURN OFF timer setting or the controller auto saves the TIMER ON set value and quits without button operating over 5 seconds LED TIMER ON is on After TIMER ON setting press CLOCK button displayed the latest value of TIMER OFF LED of TIMER OFF gets flashing and Minute area gets flashing and now press UP or DOWN button to adjust Minute value Press CLOCK b...

Page 20: ...ter temp diff for compressor re start heating cooling unit Ranges 3 15DegC default 5DegC P8 Max water temp for heating cooling unit Ranges 25 70DegC default 45DegC P9 No use PA Duration of no temperature rising since auxiliary heater starts Ranges 2 90min default 30min Pb No use PC Water temp diff between actual temp and set value for starting dropping compressor frequency Ranges 0 6DegC default 2...

Page 21: ...Ｅ2 Water tank sensor error Ｅ3 Floor heating inlet sensor error Ｅ4 Floor heating outlet sensor error Ｅ5 Evaporator coil sensor error Ｅ6 Ambient sensor error Ｅ7 Compressor exhaust sensor error Ｅ8 Communication error Controller indoor PCB Ｅ9 Communication error Indoor PCB outdoor PCB outdoor PCB driver board ＥA Turn on failure error compressor protection off protection against over high temperature o...

Page 22: ... unit Check the water pump and the valves on the pipes if they work well and make sure there is no leakage from connectors Keep the surrounding of the heat pump dry clean and ventilated Regularly clean the evaporator to keep high heat exchanging efficiency Check the inside pipe connectors and refrigerant service port is dirty with oil Make sure there is no refrigerant leakage Before stopping the h...

Page 23: ...lters is blocked 1 Fill water into the water supply system 2 Discharge air from the water system 3 Open all the valves in the system 4 Clean the water filter Low heating capacity 1 Lack of refrigerant 2 Bad water system heat preservation 3 Low evaporator heat transferring 4 Low water flow volume 1 leakage hunting and fix it discharge all the refrigerant and inject the right amount 2 improve the he...

Page 24: ...f the circulation pump and fix it 2 Change a bigger pump 3 Wash the water filter 4 Adjust or change the flow volume control device Over high compressor discharge pressure 1 Low water flow volume 2 Thermostatic expansion valve openings is not correct blocked 1 Check the circulation pump and the water filter 2 Check and adjust the openings or directly change the expansion valve Over low compressor s...