
INSTRUCTIONS FOR Si-400 & Si-600 INVERTERS
IMPORTANT SAFEGUARDS
When using electrical equipment, basic safety precautions should always be followed,
including the following:
READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
1. This equipment should be installed by a qualified electrician in accordance with all local and
national codes.
2. This equipment should be maintained by qualified service personnel.
3. Do not use outdoors.
4. Do not mount near gas or electric heaters.
5. Do not connect with power cords. Hard wire only.
6. The batteries used in this equipment are sealed. Do not puncture them. Battery acid can
cause burns to skin and eyes. If acid is spilled on skin or in eyes, flush acid with fresh water
and contact a physician immediately.
7. Equipment should be mounted in locations and at heights where it will not readily be
subjected to tampering by unauthorized personnel.
8. The use of accessory equipment not recommended by the manufacturer may cause an
unsafe condition, AND VOID THE WARRANTY.
9. Do not use this equipment for other than intended use.
10.CAUTION: Do not exceed total output rating of this equipment.
SAVE THESE INSTRUCTIONS
INSTALLATION
1. Carefully remove the cover from the box by removing the cover screws. Place cover where it
will not be damaged.
2. Fasten mounting shelf (if furnished, or supply your own capable of supporting at least 125
pounds) securely to the wall using appropriate hardware (not furnished).
3. Place unit securely on the mounting shelf. Allow 1 inch clearance around the unit for ventilation.
4. This equipment is supplied with 4 conduit knockouts. Do not drill holes in cabinet. Drill
filings can render the product inoperable.
5. Extend conduit and an un-switched 24 hour AC supply of rated voltage to the unit. Power
must be off at this time.
6. Extend conduit and load circuit (s) to unit. Note load wires must be in a separate conduit
from the input circuit and completely isolated from all other circuits. Sharing of
neutrals will result in a GFCI failure.
7. Connect AC supply of rated voltage to the proper input wires of the unit. They are marked.
a. Orange for 277 volt — Marked Line In 277 Hot
b. Black for 120 volt — Marked Line In 120 Hot
c. White for neutral — Marked Line In Neutral
NOTE: This unit is supplied as either 120 or 277. It is not dual voltage.
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