BMZ ESS 7.0 User manual

EUROPE´S LEADING BATTERY SYSTEM SUPPLIER
NOW SERVING NORTH AMERICA
INSTALLATION INSTRUCTIONS
ESS 7.0
Revised 12-1-2015

Installation Instructions ESS 7.0
2
Thank You!
Thank you for purchasing the
Energy Storage System ESS 7.0
Before using the device,
familiarize yourself with the
contents of this manual!
Keep these instructions readily
available for current and future users of
the energy storage system.
WARNINGS
FIRE HAZARD!
To prevent fire, do not use
the energy storage near
ignition sources or
flammable substances. Do
not cover.
If smoke is seen,
immediately turn off the
system! If possible
separate the energy
storage unit from the
inverter.
SHOCK AND SHORT
CIRCUIT HAZARD!
Use only supplied
connection terminals. Check
the cables for defects. If
damaged, they must be
replaced.
Never insert anything into the
energy storage unit!
Do not open the housing of
the energy storage unit!
Never connect the positive
pole and negative pole
directly with each other or by
another object!
èShort Circuit!
èDanger!
SYMBOLS
WARNING!
Possible electric shock, fire or
explosion
Explosion can cause serious
injury.
This product is applicable to EC
directives (Europe Only). The
product must not be disposed
of with household waste,
countries must be disposed of
in an appropriate facility .
Do not expose the energy
storage unit to rain or moisture
or direct sunlight.
Battery System Manual
Use the product only in connection with
the appropriate inverter as installed by a
qualified technician.
§Regularly check the connection cable
of the energy storage are in good
condition and free of cracks.
§The machine is not laying on the cord
or pulling on it.
§Ensure that cable do not come in
contact with water or sharp edges and
that the cables are not pinched.
§Do not clean the energy storage unit
with water. Use a dry cloth instead.
§Use the energy storage only when the
ambient temperature is between 32°F
to 113°F (0 ° to 45 ° C) and in a well-
ventilated , damp-free and dust-free
environment.
Avoid Using …
§Outdoors
§in direct sunlight
§in damp locations

Installation Instructions ESS 7.0
3
Initial Installation
Connecting the Energy Storage Unit
1. STEP ONE:
Connect the two cables of the ESS
7.0. Connect according to the Inverter
manufacturer (eg: SMA Sunny Island).
2. Red = Positive Terminal
3. BLACK = NEGATIVE
2. STEP TWO:
Connect the patch cable (RJ45)
supplied by the inverter mfg. to the
CAN connector position on the ESS
storage unit, from the Inverter
(eg. SMA Sunny Island Inverter)
3. STEP THREE:
Place the termination connector to the
socket labeled "Internal" patch (Intern).
If installing multiple units, place this
connector in the last unit.
4. STEP FOUR:
Use NH1 fuses, according to the
permissible loading currents of the
inverter (eg. SMA Sunny Island)
and close fuse isolators.
Recommended Fuses;
SI3.0M-11: 80A
SI4.4M-11: 100A
SI6.0H-11: 160A
SI8.0H-11: 200A (included)

Installation Instructions ESS 7.0
4
Attention:
The inverter (eg. SMA Sunny Island) is
summoned by activation of the battery.
This process takes about 30 seconds.
Upon successful implementation both
LEDs blink at a steady flash.
Technical Data
Energy Storage
BMZ ESS 3.0
Nominalspannung
55.5 V
Capacity 121.5 Ah
Nominal Energy
Content 6.8kWh
Usable Energy
Content 5.44kWh
Max. Discharge
Current 300A (3sec.)
Protection
IP 21
Possible Loading
Operational Range 0° to +45°C
Power Connection 2 cables,
50mm² M8
Dimensions
(WxLxH) (25"x17.8"x16.5")
638x452x420 mm
Weight 209lbs / 95 kg
Namplate
LED Indicator
Turn On
Press push button for 1 second,
then release.
actual image may vary
5. STEP FIVE:
You can now use the inverter (eg.
SMA Sunny Island) according to the
manufacturer's specifications.
To Turn Battery Off:
To turn the battery off, press the button
for 10 seconds. The LED's will blink
quickly the last two seconds prior to
turning off.

Installation Instructions ESS 7.0
5
Transport, storage and
placement
§Choose the location that it is not
accessible by children or unauthorized
users.
§Place the energy storage unit in a dry
place with a temperature between 32°F
to 113°F (0 ° to 45 ° C). Do not expose
to direct sunlight.
§Always place the energy storage unit on
a flat and dry place.
§Keep the distance between the energy
storage unit and walls to 0.50" (15cm).
§If transporting, be aware of requirements
for class 9, dangerous goods for lithium
battery transportation.
§If damaged or dropped, do not use and
isolate the unit immediately in case of
potential fire. Call BMZ customer
service.
Maintenance
Ensure that the energy storage unit is
clean and the contact points are secure
and dry always before the energy
storage unit is connected to the system.
Clean housing parts with a clean, dry
cloth.
§Excessively high temperatures within
the energy storage unit are cooled by a
built-in fan that is automatically
activated.
§A constant red LED on the energy
storage unit indicates the device needs
to be serviced.
Disposal
Battery (energy storage unit) may not be
disposed of with household waste . The
energy storage unit must be disposed of
at a certified recycling facility or return to
your dealer.
For proper disposal and more
information, please contact your local
waste disposal company or retailer from
whom you purchased the device.
EC Declaration of
conformity
(Only for Europe)
BMZ GmbH • Am Sportplatz 28-30 • 63791
Karlstein am Main • Tel: [phone]
hereby declares that the energy storage unit for
model ESS 7.0, follow the the applicable
regulations, and standards. Conformity has
been confirmed by an independent test lab.
Karlstein, Germany June 9, 2015