
Installation and Operation Guide SOLECTRIA PVI 25TL-480-R
DOCR-071030-A (11/17/2020)
Page 18 of 101
Each subsection begins with general requirements and guidelines which must be considered when designing a system
and planning the installation. Each sub-section is concluded with detailed systematic instructions to install the
SOLECTRIA PVI 25TL-480-R.
3.1
Installation Sequence Overview
1.
Install the Mounting Bracket.
2.
Install the Power Head.
3.
Remove bulkhead cover from top of Wire-Box.
4.
Install the Wire-Box.
5.
Connect the Power Head and Wire-Box together.
6.
Confirm that the site AC breaker is set to OFF.
7.
Remove the cover of the Wire-Box.
8.
Land the AC conductors from the grid to the AC terminal block in the Wiring Box, ensuring a Positive Phase
rotation.
9.
Land the input PV circuit conductors by connecting to the DC fuse holders in the Wiring Box.
10.
Land the communication conductors.
11.
Install duct seal/firestop putty in all conduit entrances.
12.
Replace the plastic shields and the cover of the Wire-Box.
3.2
Mechanical Installation
Inverter Environment
3.2.1
The SOLECTRIA PVI 25TL-480-R is equipped with a NEMA Type 4X rated, Polyester Powder-Coated Aluminum enclosure
suitable for outdoor installation in many different climates. Select the mounting location appropriately taking into
consideration, snow, wind, rain, direct sun, pests, vegetation growth, and any other local environmental conditions. To
increase its life span, it is recommended that the inverter be installed out of direct sunlight; for example, under a shade
structure, on a north facing building wall, or on north facing racking. Never install inverters in areas that are prone to
flooding, standing water, prolonged snow coverage, or near explosive or flammable materials.
WARNING
Exposion or Fire Hazard:
Electrical devices can cause fires. Never install in areas prone to explosive gasses, liquids, or in
close proximity to flammable materials.
NOTICE!
CAUTION
Lifting Heavy Object Hazard:
Proper lifting techniques must be used in order to avoid injuries. The Power Head weighs
48.5 pounds (22 kg).