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Appendix I: Parallel function (Only for PIP7248MAX mode)
1. Introduction
This inverter can be used in parallel with two different operation modes.
1. Parallel operation in single phase is with up to 6 units. The supported maximum output power is
43.2KW/43.2KVA.
2. Maximum six units work together to support three-phase equipment. Maximum four units support one
phase.
2. Mounting the Unit
When installing multiple units, please follow below chart.
NOTE:
For proper air circulation to dissipate heat, allow a clearance of approx. 20 cm to the side and approx.
50 cm above and below the unit. Be sure to install each unit in the same level.
3. Wiring Connection
WARNING: It's REQUIRED to connect battery for parallel operation.
The cable size of each inverter is shown as below:
Recommended battery cable and terminal size for each inverter:
Wire Size
Cable mm
1*1/0AWG
50
WARNING: Be sure the length of all battery cables is the same. Otherwise, there
will be voltage difference between inverter and battery to cause parallel inverters
not working.
Recommended AC input and output cable size for each inverter:
Model
PIP7248MAX
You need to connect the cables of each inverter together. Take the battery cables for example: You need to use
a connector or bus-bar as a joint to connect the battery cables together, and then connect to the battery
terminal. The cable size used from joint to battery should be X times cable size in the tables above. "X" indicates
the number of inverters connected in parallel.
Regarding AC input and output, please also follow the same principle.
CAUTION!! Please install the breaker at the battery and AC input side. This will ensure the inverter can be
securely disconnected during maintenance and fully protected from over current of battery or AC input.
Ring Terminal
2
Dimensions
D (mm)
L (mm)
8.4
47
AWG no.
8 AWG
Torque value
5 Nm
49
Ring terminal:
Torque
1.4~ 1.6 Nm
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