Morningstar SureSine 1000, Инструкция по установке и эксплуатации, Страница: 23 / 61

15
INSTALLATION
MS-003650 (Rev B08)
2.7 Inverter Wiring
This section provides general instructions for connecting all the wiring for the inverter.
This includes DC, AC, Neutral, and all Ground connections (system and chassis).
Ensure
all connections are made as required by local regulatory code.
WARNING: SHOCK HAZARD
• Installations must be performed by a qualifi ed person trained in electrical
safety procedures (minimum qualifi cation).
• All wiring must comply with local electric code requirements.
• Ensure all sources of input are disconnected before connecting ANY cabling.
WARNING: RISK OF FIRE
All over-current protection devices and wiring must be sized properly, in
accordance with US National Electric Code (NEC) or the country of installation’s
local regulations.
CAUTION: EQUIPMENT DAMAGE
Do not connect the SureSine inverter’s AC Output in parallel with any AC power
sources. The SureSine inverter is not capable of synchronizing AC output phases.
AC power from utility, generator, and inverter AC power can feed back into the
unit and instantly damage the inverter and may also pose a fi re and safety hazard.
2.7.1 Terminal Torque Requirements
Tighten all connections as specifi ed in Table 2.
Table 2: Terminal Torque Requirements
Terminal Terminal Type
Terminal Stud Size
or Wire Size
Torque to:
In-lbs. Nm
Chassis Ground Lug Stud Terminal
0.xxx" ( x.xxx mm)
Note 1
DC (+) (–) Input Terminals Stud Terminal Note 2
AC Neutral, Line and
Ground Terminals
Slot Terminal Note 3
Modbus, Remote Switch,
Auxiliary Power Terminals
Screw Terminal
Note 1 - Use Ring Terminal (included) or solid copper wire with Chassis Ground stud.
Note 2 - The 150 W and 300 W DC (+) (–) models terminals are hand tightened and have gripping
lock washers that can be used with stranded copper. Use Ring Terminals (included) with 700 W -
2500 W models.
Note 3 - Use slotted terminals (included) or solid copper wire with AC Neutral, Line, and
Ground terminals.