Attachment_4_-_SOW___1_PV_Systems_12_MO_O M_Schedule_10_31_2012_(1)_(3).pdf

Items # Description Every 12 Months

1 Inspect the PV panels for cracked or damaged glass. X

Inspect PV Panels for cracking, shrinkage or distortion of silicon material.

X

3 Check PV panels for bubbles or delaminating of photovoltaic cells. X

4 Inspect the PV DC string conductor insulation, condition and support. X

5 Inspect the PV ground conductor condition and connection lugs. X

6 Verify surrounding landscape and buildings for new shading problems. X

7 Document work done and any findings or problems on website. Within 30 days

8 Include findings or problems in the Annual Report. X

1 Inspect PV array racking system connections and structural integrity. X

Inspect PV array racking system for corrosion of fasteners, mechanical members.

X

Inspect PV array racking resting on TPO roofing for wear of membrane.

X

Inspect PV array ballast blocks and supports for loose components or adverse movement.

X

5 Inspect PV wind deflector shields and supports for loose components. X

6 Document work done and any findings or problems on website. Within 30 days

7 Include findings or problems in the Annual Report. X

1 String combiner box installation, termination and support. X

2 Inspect combiner box interior for water intrusion and dampness. X

3 Inspect terminals and connections for looseness or overheating. X

Inspect DC feeders, conduits and cable trays on the roofs for changes from original installation.

X

Record the solar irradiance for each array supplying the string combiner box under testing. (Only read amperage and voltage when irradiance is above 300)

X

6 Read and record open circuit voltage for each PV string. X

7 Read and record combiner box bus voltage. X

8 Read and record the DC amperage on each PV string. X

9 Read and record the resistance of disconnect contacts. X

10 Document work done and any findings or problems on website. Within 30 days

11 Include findings or problems in the Annual Report. X

1 Inspect components for contamination of dirt or moisture. X

2 Inspect terminals and connections for looseness or overheating. X

3 Compare readings between stations for discrepancies. X

4 Verify wind anemometer is freely spinning and dust free. X

5 Verify mounting of PV panel thermometer is per original installation. X

6 Document work done any findings or problems on website. Within 30 days

7 Include findings or problems in the Annual Report. X

PV Systems 12 Month Operations and Maintenance Schedule DFC Solar PV System

PV Panels

PV Racking

PV Weather Station

PV Strings

Items # Description Every 12 Months

PV Communications 1 Inspect components for contamination of dirt or moisture. X

2 Inspect terminals and connections for looseness or overheating. X

3 Inspect the antennas for proper mounting and position. X

4 Document work done and any findings or problems on website. Within 30 days

5 Include findings or problems in the Annual Report. X

1 Inspect Components for contamination of dirt or moisture. X

2 Inspect terminals and connections for looseness or overheating. X

3 Inspect the exterior housings for cracks or damage. X

Clean lens per manufacturer recommendations on the interior and exterior.

X

5 Document work done and any findings or problems on website. Within 30 days

6 Include findings or problems in the Annual Report. X

Perform temperature checks on all breakers, connections, and associated controls.

X

Perform a complete visual inspection of the equipment including subassemblies, wring harnesses, contacts and major components and Record Ambient operating Temperature.

X

3 Inspect IGBT's and inverter board's for discoloration. X

4 Power capacitors for signs of damage. X

5 Record all voltage and current readings via the front display panel. X

6 Measure and record all low-voltage power supply levels. X

Check appearance/cleanliness of the cabinet, ventilation system and insulated surfaces.

X

8 Check for corrosion on all terminals and cables. X

9 Torque terminals, connectors and bolts. X

Check All fuses for open or signs of heating (Inverter & Combiner) Record temp & Condition.

X

11 Check the condition of both the AC & DC Surge Suppressors. X

Check the operation of all safety devices. (E-Stop, Door Switches, GFD1)

X

13 Inspect (Clean or Replace) Air filter elements. X

14 Attach / Complete Maintenance Schedule Card. X

Fans that rotate easily and are free of any noise or binding are less prone to operational failure.

X

16 Measure and record phase-to-phase input voltages and currents. X

17 Document work done and any findings or problems on website. Within 30 days

18 Include findings or problems and Issue written Annual Report. X

PV Inverters (Satcon)

PV Visual (Cameras)

PV Systems 12 Month Operations and Maintenance Schedule DFC Solar PV System