Alternate Energy Technologies OPEN LOOP Installation, Operation & Maintenance Manual Download Page 1 | Manualshive

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INSTALLATION

OPERATION

MAINTENANCE

MANUAL

OPEN LOOP/

OPEN LOOP PV

Alternate Energy Technologies, LLC
PO Box 61326
Jacksonville, FL 32236
904-781-8305

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Summary of Contents for OPEN LOOP

Page 1: ...INSTALLATION OPERATION MAINTENANCE MANUAL OPEN LOOP OPEN LOOP PV Alternate Energy Technologies LLC PO Box 61326 Jacksonville FL 32236 904 781 8305 ...

Page 2: ...ughly Each step is outlined completely and clarified by diagrams where necessary All questions which arise BASIC TOOLS AND MATERIALS Electric Drill Drill Index w and Wood Bits Hack Saw Tubing Cutter Tin Snips 16 Tape Measure 24 Level Flashlight Extension Cord Slip Joint Pliers Needle Nose Pliers Pipe Wretches 10 14 Open End Wrenches 9 16 7 16 Screw Driver 6 Flat Blade Screw Driver 6 Philips Wire S...

Page 3: ...collector mounting When roof mounting placing the collectors as close as possible to the peak of the roof will make installation easier due to increased attic access 2 COLLECTOR ORIENTATION Proper tilt angle for solar collectors is latitude plus 100 see latitude map This favors the winter sun because ambient temperatures are lower during the winter and collector efficiency suffers This 100 additio...

Page 4: ... 17 58 22 58 370 9 12 2 58 3 58 7 58 11 58 15 58 19 58 400 10 12 4 58 0 58 4 58 8 58 13 58 17 58 430 11 12 7 58 3 58 2 58 6 58 10 58 14 58 450 12 12 8 58 4 58 0 58 4 58 8 58 13 58 ROOF PITCH VERTICAL 44 41 37 33 29 25 Table 1 All Lengths in inches 3 COLLECTOR DIMENSIONS Collector Gross Area ft2 Dimensions in Transparent Area ft2 Weight lb AE 21 20 87 35 3 16 x 85 3 16 19 22 74 AE 24 23 81 35 3 16 ...

Page 5: ...readed rod passes through the aluminum bracket It is very important that the penetrations through the roof be well sealed It should be carefully checked that all bolts are coated with tar and that no leaks are possible There are three acceptable ways to secure the collector mounting brackets to the roof 1 Spanner Mounting 2 Lag Bolt Mounting 3 J Bolt Mounting In spanner mounting after the brackets...

Page 6: ... tap the roof and determine where it is denser sounding The roof man can drill a pilot hole while the attic man helps with distance corrections Then the attic man can call of the distance to the next rafter while the roof man drills corresponding pilot holes Flashing the brackets is done as previously described Secure the brackets to the roof using a x 3 stainless lag screw a flat washer and a loc...

Page 7: ...This is more easily accomplished if the attic man would drill a pilot hole through the roof along side the chosen rafter Fit the bolt through the mounting brackets and insert the bolt J side first through the hole in the roof Work the J underneath the rafter Pull the J bolt snug against the rafter before tightening the nut Use double nuts or lock washers to securely fasten the mounting bracket to ...

Page 8: ...8750 x 86 1250 90 5 87 375 37 125 MSC 24 3 x 8 35 8750 x 98 1250 102 5 99 375 37 125 MSC 26 4 x 6 5 47 8750 x 78 1250 82 5 79 375 49 125 MSC 28 4 x 7 47 8750 x 86 1250 90 5 87 375 49 125 MSC 32 4 x 8 47 8750 x 98 1250 102 5 99 375 49 125 MSC 40 4 x 10 47 8750 x 122 1250 126 5 123 375 49 125 Table 3 Distance between centerlines of top and bottom mounts for all AE and MSC series 5 PITCH PAN The pitc...

Page 9: ... hole through the tile c Slide the 12 x 12 lead flashing under the tile located above the 3 8 hole then drill through the lead flashing into the hole d Screw lag portion of the 3 8 hanger bolt into the rafter e Cut strips of the lead flashing about 1 long and wide enough that when you fold it into a tube is slightly larger in diameter as the hanger bolt f Using an acid core solder weld the seam of...

Page 10: ...the storage tank should be slightly sloped downward 3 in 8 feet to allow draining in case of freezing conditions Soldered connections should be made with 95 5 solder Figure 11 Figure 12 8 COLLECTOR PIPING DETAIL The outlets of the collector are 1 copper pipe nipples Figure 13 They should be piped as shown with provisions for an automatic air vent This will prevent air lock and subsequent loss of s...

Page 11: ... c The copper tube supply and return line is then pushed up through the hole in the flashing d A coolie cap is then slid over the copper tube till it meets the flashing After piping to the collectors is completed the coolie cap is soldered to the copper tube e Polybutalyne adhesive is then placed on the top and bottom of the flashing providing a weatherproof seal The sensor wire should also be run...

Page 12: ...d place the 10 K snsors on the stud Secure it with the nut 5 Attach the wires on the sensor to the factory run wires Note it does not matter which wire is attached to the other 6 Replace the insulation and bottom cover 13 OPEN LOOP FLUID HANDLING SYSTEM An Eagle Sun open loop solar water heater operates by circulating water from the storage tank to the solar collectors when the collectors are at a...

Page 13: ...owing The open loop differential temperature controller controls the pump to gain maximum system efficiency When one of the two heat sensors provided wit the unit rises nominally 100 F above the other sensor a power control relay is energized Then when the first sensor drops to within 50 F of the second sensor the control relay remains energized holding its power contacts closed however when the t...

Page 14: ...an the inlet lines and the collector glass should be slightly warmer than ambient temperature Testing of the frost sensor can be made at night when the pump is not normally working A piece of ice set on the sensor should be sufficient to turn the pump on The pump should turn off as soon as the sensor has a few seconds to warm back up when the ice is removed Caution should be exercised when working...

Page 15: ...ll stop The solar system is installed as per the open loop installation manual The photovoltaic module will replace the differential control and sensors Be sure to mount the panels on the same plane as the solar collector When wiring the photovoltaic module to the circulating pump use 16 gage stranded double exterior PVC jacketed wire for lengths up to 85 feet for 10 and 25 watt modules Use 14 gag...

Page 16: ...il a full supply of hot water is stored If the pump does not run there is a problem on the electrical end of the system Either the pump controller or sensors are malfunctioning The controller can be bypassed by running a power cable directly to the pump and checking its function separate from the control system Make sure that the problem is not a blown fuse or a tripped breaker If the pump runs no...

Page 17: ... roof area is available or for show systems the collectors can be mounted on the ground as shown in Figure 19 The piping and control wiring to the tank should be insulated and buried It is important that the length of these piping runs be minimized Notes 1 Front edge of collector should be 18 above ground 2 Use washers on all bolted wood connections 3 All pieces must be measured and cut to orient ...

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