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Operating manual 

 

HMA 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

manHMA_eng_00  

Содержание HMA 218

Страница 1: ...Operating manual HMA manHMA_eng_00 ...

Страница 2: ...4 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 view 12 6 5 Control parameters 12 6 6 IN OUT parameters 13 6 7 Connectivity parameters 14 7 Protections and alarms 15 ...

Страница 3: ...y 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 to ensure maximum electrical safety Control of auxiliary generator When the AC power is provided by a generator HMA is able to start or stop it according to need HMA also monitors any signs of failure...

Страница 4: ...y 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 parts If either occurs immediately notify the supplier Damages due to transport incorrect installation or improper use of the device will null and void the warranty Tampering or disassembly of any com...

Страница 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 RTU RS485 Bluetooth SMART 4 0 avoid direct exposition to solar rays 3 1 Weight and dimensions Model Weight Size Kg HMA 218 XX X 3 HMA 430 XX X 3 HMA 485 XX X 3 Weight without packaging ...

Страница 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 It is necessary to respect the polarity AC output F1 F2 F3 P E DC output P E It is necessary to respect the polarity It is recommended to use cable lugs ...

Страница 7: ...tor 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 contacts is 250 V AC max 5 A RS485 for COMBO with device to be controlled S1 S1 G It is recommended to respect the polarity linking devices Digital inputs IN1 float or pressure switch for pump start and s...

Страница 8: ...commend 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 sensitive to both AC and DC current 4 2 Electromagnetic compliance To ensure electromagnetic compatibility EMC of the system it is necessary to apply the following measures Always connect the device ...

Страница 9: ...talled 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 ...

Страница 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 Initial configuration When HMA is switched on for the first time the initial setting menu is displayed for the initial setting of parameters to configure the system If the initial setting procedure is no...

Страница 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 switch to AC Low PV Energy Not enough energy to follow the switching in DC In case of alarm the corresponding alarm is indicated By pressing the ENTER key it is possible to access the diagnostic menù...

Страница 12: ... by 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 switched off and the pump is restarted with DC power In the absence of a solarimeter the HMA exchanges to AC if the DC supply is no longer sufficient to guarantee pump operation at minimum frequency Flow t...

Страница 13: ...DC 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 N O Digital input 1 is used to parallelize the signal coming from a float or pressure switch connected to the digital input 1 of the HMA ready device powered by HMA N O Normally Open or N C Normally ...

Страница 14: ...ctivity 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 RTU N82 RTU E81 ETU O81 ON Bluetooth communication enabling By pressing the ENT key it is possible to change the installer level password level 1 default 001 Digital input 3 N O N C Digital input 4 ...

Страница 15: ...GE 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 CLOSING FAULT Failure to detect closing of the DC contactor Check the wiring of contactor Check the function of the contactor AC OPEN FAULT Failure to detect opening of AC contactor Check the wiring of ...

Страница 16: ...e 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 Closing the DC contactor INV SUPPLY AC Closing the AC contactor AC Wait Waiting for the AC power supply generator following a request DC Wait Waiting for the DC supply to stabilize for 5 minutes bef...

Страница 17: ...17 NOTE ...

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Страница 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 776099 www nastec eu info nastec eu ...

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