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Nastec HMA Series, Operating Manual

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Nastec HMA Series Operating Manual Download Page 9

    9 

 

5.

 

HMA installation 

 

HMA can be installed on the wall following the holes shown in the drawing. 
The IP54 protection degree (NEMA 12) allows installation even in humid and dusty environments. However, it is 
recommended to avoid direct exposure to atmospheric agents and sunlight. 
 

 

 

 

 
 

 

 

 

 

Summary of Contents for HMA Series

Page 1: ...Operating manual HMA manHMA_eng_00...

Page 2: ...Electric wiring 6 4 1 Protections 8 4 2 Electromagnetic compliance 8 5 HMA installation 9 6 HMA Use and Programming 10 6 1 HMA display 10 6 2 Initial configuration 10 6 3 Initial view 11 6 4 Menu vie...

Page 3: ...automatically based on the programmed logic Mechanical disconnection of the two power supplies Two interlocked contactors guarantee the uniqueness of the power supply and ensure separation in order t...

Page 4: ...before operation Install safety devices on both DC and AC side Avoid any shock or significant impact during transport Check the product immediately upon delivery and check for damage and or missing p...

Page 5: ...VS 409 430 MP HMA 485 190 850 3x190 520 85 A VS 438 485 MP Ambient temperature at rated current da 10 a 50 C Max altitude at rated current 1000 m Grade of protection IP54 NEMA 12 Connettivity MODBUS R...

Page 6: ...polarity HMA 430 AC input P E T1 T2 T3 DC input P E It is necessary to respect the polarity AC DC output F1 F2 F3 P E It is necessary to respect the polarity HMA 485 AC input P E T1 T2 T3 DC input P E...

Page 7: ...or start stop relay NO3 COM3 contact closed for generator start NC3 COM3 contact open for generator start The digital output relays are non voltage contacts The maximum voltage applicable to the conta...

Page 8: ...ommend to use 1000 VDC circuit breaker and if possible 1000 VDC surge protection For AC side we recommend to use overload protection with the characteristic curve of type C and type B circuit breaker...

Page 9: ...alled on the wall following the holes shown in the drawing The IP54 protection degree NEMA 12 allows installation even in humid and dusty environments However it is recommended to avoid direct exposur...

Page 10: ...ey can be only displayed 6 1 HMA display It is a backlit display with 2 rows of 16 characters An acoustic signal accompanies the user in use and provides a quick indication in case of an alarm 6 2 Ini...

Page 11: ...supply INV SUPPLY AC AC power supply DC Wait waiting for the DC supply to stabilize for 5 minutes before attempting to switch to DC AC Wait waiting for the AC supply to stabilize before attempting to...

Page 12: ...y the panels is not sufficient to operate the pump the HMA starts the generator if present and exchanges with AC power When the irradiation returns above the minimum threshold the generator is switche...

Page 13: ...C to AC XX Set time for the passage from AC to DC By pressing the ENT key it is possible to change the installer level password level 1 default 001 6 6 IN OUT parameters Parameter Default Description...

Page 14: ...tivity parameters Parameters Default Description XXXXX End user communication language 1 MODBUS address from 1 to 247 9600 MODBUS baudrate from 1200 bps to 57600 bps RTU N81 MODBUS data format RTU N81...

Page 15: ...E Overvoltage in DC power supply Check the causes of overvoltage AC CLOSING FAULT Failure to detect closure of the AC contactor Check the wiring of contactor Check the function of the contactor DC CLO...

Page 16: ...generator INV SUPPLY OFF Deactivation of both AC and DC contactors following the simultaneous pressing of both the AC and DC buttons Select a power source using the corresponding button INV SUPPLY DC...

Page 17: ...17 NOTE...

Page 18: ...18...

Page 19: ...19...

Page 20: ...reserves the right to modify without previous notice any technical information contained in this document Nastec srl Via della Tecnica 8 36024 Mossano Vicenza Italy Tel 39 0444 886289 Fax 39 0444 7760...

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