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Wattsun active trackers

Wattsun active trackers

Wattsun active trackers

Wattsun active trackers

Wattsun active trackers use electronic sensors and motor or actuator drives to track the sun from east to west. During partly cloudy conditions, the tracker fixes on the brightest area of the sky, capturing the maximum amount of sunlight available. At night it returns to the morning sunrise position, ready to start tracking when the sun rises again. Tracking can increase a PV array's power production from 10 to 50 percent depending on the season and location. They are particularly effective when greater power is required in the summer months, such as when a large amount of water pumping is needed. Wattsun trackers deliver a significant increase in the amount of water pumped and provide a more constant water flow during the day. The gallons-per-day increase is greatest in the summer when water is needed the most. They may also be cost-effective for net-metered utility grid-tie systems that can produce large amounts of electricity in the summer, to be used as credit toward a high winter power bill.

Azimuth trackers automatically track the sun's path by rotating the PV array around the pipe, providing greater stability for larger arrays. The corners do not protrude down towards the ground or stick up in the air to catch the wind. The bottom edge of the array always remains parallel to the ground and requires less ground clearance than tilt and roll trackers. Wattsun's azimuth trackers provide nearly 270 degrees of rotational movement and can adjust from 5 to 75 degrees of elevation tilt.

AZ-125 Trackers

The AZ-125 gear-drive, azimuth tracker comes standard as a single-axis tracker with manual seasonal tilt adjustment. It is powered by a 24 VDC drive motor running a high quality worm and gear drive. With the addition of the dual-axis option (order separately), the AZ-125 can capture virtually all the available power the sun delivers. The AZ-125 trackers mount on a 6-inch Schedule 40 steel pole or 6-inch Schedule 80 pole if designated as "6"/80.

AZ-225 Trackers

The AZ-225 gear-drive, azimuth tracker is for very large arrays. It can hold over 2 kW of solar modules. It is powered by a 24VDC motor running a heavy-duty ball bearing/ worm gear drive. It comes standard with the dual-axis option, enabling it to capture the maximum amount of solar energy. Mounts on an 8-inch Schedule 40 steel pole, or 8-inch Schedule 80 pole if designated as "8"/80.

If your system voltage is not 24 VDC, you will need a Wattsun voltage converter. See option table below.


Wattsun model

Description

Item code

12-24 15W (for 12V battery)

Required to get 24v for tracker from 12 VDC Battery

014-07118

48-24 LVC

Steps down 48 VDC from battery or 36VDC from array to 24 VDC for controller on AZ-125 tracker

014-07116

BZ X8a

Steps down 48 VDC from battery to 24 VDC for controller. One required per two AZ-125 or one AZ-225

014-07117

DR-4524 
(for pumping)

Accepts 120-370 VDC input to power tracker controller from a high voltage water pumping array. Needs to be mounted in a raintight box if located outside. Also accepts 115 or 230 VAC for one AZ-125 tracker

014-07112

IDEC PS5R-SF24

Accepts 115 or 230 VAC input to power tracker controller from the AC grid when no backup battery bank is present. One required per two AZ-125 trackers or one AZ-225 tracker. Needs to be mounted in a raintight box if located outside

014-07115

Dual-axis option

Add automatic elevation tracking to the AZ-125 tracker. The DA Option is included with the AZ-225 trackers

014-07018

Manual controls

Exterior switches on the controller cover plate. Allows for the owner to turn off automatic tracking and then rotate the tracker east or west and/or up and down. Useful for dumping snow or to lay the tracker flat in extremely high winds

014-07030

Manual control kit

Field upgrade kit for Version 3 controllers. V3 controllers are "two-piece" style and the sensor is independent of the main control box. Should be installed by an electrician or other certified personnel

014-07032

 

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