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1) Determine the position of the last outlet header hold-

down bracket for the row of collectors. Mark this point on

the roof. The collector outlet headers will be located approx-

imately 1" (25mm) below this mark. Refer to Figure 3.

Figure 3

2) Using this point, snap a chalkline to the opposite end

of the row. Slope this line down the roof toward the inlet

approximately 1" (25mm) for each 6 collectors in the row.

Using a 1/8" (3mm) drill bit (for 1/4" (6mm) diameter

screws) drill a hole for the first outlet header bracket on

the first roof mark. Measure up 1" on center from the first

pilot hole and drill pilot hole for second screw. Repeat this

process all along the chalkline for the total number of col-

lectors to be installed.

Figure 4

3) Inject a generous amount of high quality sealant into

each hole and onto the surrounding roof surface. Bolt all

the outlet header hold down brackets to the roof as

shown in Figure 4.

4) Locate the hold-down strap bracket holes using the

information in Fig. 1, Table A. Measuring from the top

Figure 5

outlet header bracket chalk line, snap another chalk line

parallel to this line using the "A" dimension. The "B"

dimension is the same for all collector sizes, which is 16"

(40cm) up from the outside of the bottom header and can

be measured after the collectors are installed. Wait to

install the hold-down strap brackets until after the collec-

tors are installed so as not to damage the collectors

when you are bringing them to the roof for installation.

5) Bring the first collector to the roof and slip the proper

hoses over both ends of the inlet and outlet headers on

the last return collector. Make sure that the side of the

collector with the serial number label on it is facing down.

The long hoses go on the outlet of the last collector and

the inlet of the first collector. Push UP TO the hose locat-

ing shoulder, but NOT OVER it. Locate a hose clamp

3/8" (10mm) from the end of the hose in order to center

it on the header groove. This clamp must face up so as

to be accessible for tightening and will not rub against the

mounting surface. Make sure you securely tighten each

clamp with a nutdriver. If a nutdriver is not available, a

'hex' wrench or screwdriver will suffice.

CLAMPS MUST BE LOCATED OVER THE GROOVES

IN THE HEADER.

6) Position the collector on the roof so that the center of

the outlet connection hoses are directly beneath the

secured outlet header brackets and slip the bracket hold-

down clamps over the connection hoses. Lightly tighten

the clamp around the header hose. Refer to Figure 5.

Continue to install all the collectors in the array, coupling

them side to side.

7) If the Aluminum Header Clamp Assembly is to be used

for supplemental mounting hardware, install them after

both the outlet header brackets and the collectors have

been installed.

THE HOSE