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INSTALLATION & OWNER’S MANUAL 

SYSVRF

 AHU Box  

Thank you very much for purchasing our air conditioner,  

Before using your air conditioner , please read this manual carefully and keep it for future reference. 

 

Summary of Contents for SYSVRF AHU 10HP S

Page 1: ...INSTALLATION OWNER S MANUAL SYSVRF AHU Box Thank you very much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference ...

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Page 3: ...aced by the manufacture or its sevice agent or similarly qualifued person in order to avoid a hazard An all pole disconnection switch having a cintract separation of at least 3mm in a poles should be connected in fixed wiring When carrying out piping connection take care not to let air substances go into refrigeration cycle Otherwise it will cause lower capacity abnormal high pressure in the refri...

Page 4: ...st There is caustic gas the sulfide for example existing in the air near a hot spring The Volt vibrates violently in the factories In buses or cabinets In kitchen where it is full of oil gas There is strong electromagnetic wave existing There are inflammable materials or gas There is acid or alkaline liquid evaporating The appliance shall not be installed in the laundry Other special conditions If...

Page 5: ... necessary to prevent image disturbances or noise interferences Do not install the controller in a place exposed to direct sunlight or close to a heatingsource such as a stove Note that the positive and negative poles are in right positions when loading batteries Table 3 1 QUANTITY SHAPE NAME FUNCTION 1 Installation owner s manual 1 3 Wire controller installation owner s manual manual 2 1 4 Wire c...

Page 6: ...hanging installation the box should be vertical and the box can not be installed horizontally Please refer to the foregoing make sure the laying direction of the refrigerant pipe and the connecting place of the connecting wire All the pictures in this manual are for explanation purpose only They may be slightly different from the control box you purchased depend on model The actual shape shall pre...

Page 7: ...ownstream controller box to L4 is 560 280 140 980 the pipe is Φ19 1 6 1 Pipe classification Capacity of controller box A 100W Size of main pipe mm Liquid side mm Φ12 7 Φ15 9 Φ19 1 Φ22 2 200 A 460 460 A 660 660 A 1350 1350 A Table 6 2 JOINT 02 JOINT 01 JOINT 03 JOINT 04 Available branch joint 6 3 Example Controller box capacity A 100W Φ9 5 Φ12 7 Φ15 9 Table 6 3 Take 56 36 20 kW that composed by thr...

Page 8: ... fixed circuit 7 2 The maxium current of AC motor The DX AHU control box has a control port for single phase AC motor refer to Fig 7 2 Please pay attention to the maxium current of motor it should not exceed value in the table 7 3 1 2 3 4 5 6 7 Table 7 1 Neutral High Medium Low Connect to indoor power Fig 7 1 Fig 7 2 208 230V 60Hz Please use 3 core shielding wire and ground the shielding layer Fig...

Page 9: ... before the product leaves the factory If two or more DX AHU box are parallel connected to control one indoor unit only the master DX AHU box need to connect T1 T2 T2B 1 2 3 4 5 6 T2 T2B T1 Connector Indoor temp sensor T1 indoor evaporator intermediate temp sensor T2 indoor evaporator outlet temp sensor T2B please connects respond to the wiring nameplate T1 T2 T2B Fig 7 5 If it is needed user can ...

Page 10: ...00 6 18 20 3 3170 3 6855 2700 8 20 25 3 6855 4 6069 3000 10 25 30 4 6069 5 5283 3700 12 30 36 5 5283 6 6430 4500 14 36 40 6 6430 7 3711 5400 16 40 45 7 3711 8 2925 6000 18 45 50 8 2925 9 2139 6700 20 50 56 9 2139 10 3195 7500 AHU 5HPS AHU 10HPS AHU 20HPS Table 8 2 1 The Internal volume of Heat exchanger calculation formula is as follows 3 14159 heat exchanger copper tube OD 2 heat exchanger copper...

Page 11: ...ccupies 2 addresses DX AHU box with capacity dial code of C occupies 3 addresses DX AHU box with capacity dial code of D occupies 4 addresses DX AHU box with capacity dial code of E occupies 5 addresses DX AHU box with capacity dial code of F occupies 6 addresses The number of virtual addresses in parallel system equals to the total number of occupied addresses by DX AHU boxes minus one Virtual ad...

Page 12: ...en selected a SYSTEMAIR remote controller or wire controller is need to set address for DX AHU box because SIEMENS controller do not has this function 9 2 1 Wiring figure The wiring figure please refer to figure 9 4 there have three points need to be pay attention 1 The distance between SIEMENS controller and DX AHU control box should less than or equal 15 m 2 If several DX AHU boxes parallel conn...

Page 13: ... definition of signal in SIEMENS controller has been changed SIEMENS POL 638 70 ALARM INFO ESC MP 24V D5 M D2 M D1 M Y2 M D3 Y1 D4 64 63 54 13 53 44 43 24 14 23 33 34 Power 24V 54 53 M D4 D3 S Y1 M 14 13 34 44 SIEMENS controller Terminal block Table 9 3 Min Max Range Normal Analog Input 0 10VDC Room Temp Cooling Room Temp Heating Not available Not available 0 5 0 1 15 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6...

Page 14: ...0 means slave DX AHU control box 4 reserved 101 means slave DX AHU control box 5 reserved 111 means slave DX AHU control box 7 reserved SW6 Definition Indoor unit address assignment 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 1 2 3 ON SW6 110 means slave DX AHU control box 6 reserved Note After changing the status of any dial switch on the main board ...

Page 15: ... and outdoor unit or between master indoor and slaver indoor unit The LED display show E2 Temperature sensor T1 error The LED display show E3 Temperature sensor T2 error The LED display show E4 Temperature sensor T2B error Temperature sensor T2C error The LED display show E7 EEPROM error The LED display show Ed Outdoor unit error The LED display show EE Water lever alarm The LED display show H7 Qu...

Page 16: ...MD14IU 033BW 202000172668 ...

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