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ASSEMBLY PROCEDURE
Refer to the
52D180/1NPT exploded view diagram
on page 36 for the location and position of components.
Roof Condition: Check the condition of the roof and advise the client of any broken tiles or damaged roof
1.
sheeting before commencing the installation.
Solar Frame: If a solar frame is to be installed, determine the location of the frame. Refer to
2.
Heater Storage Tank Location"
instructions provided with the frame.
Assemble and fix the frame to the roof, in accordance with the installation instructions provided with the
frame.
Depending upon the positioning of the frame on the roof and any minor fall the roof may have, ensure the
collector rail is either horizontal or is higher on the hot outlet side of the solar collectors. If in doubt use a
spirit level.
Proceed to step 6.
Water Heater Location: if a solar frame is not installed, select a suitable position for the solar water
3.
heater.
"Solar Water Heater Storage Tank Location"
Refer to
page 32.
4.
Position of Tank: Select the position of the solar storage tank so the front of the foot is above a roof
batten toward the nose of an even row of tiles or even metal roof sheet. The rear of the foot may be seated
over the nose of the tiles on the next row behind. Where possible, the tank should be positioned at least
three tiles from the ridge capping to prevent disturbance of the ridge.
Collector Rail: Determine the location of the collector rail (6). Measure down the roof 2030 mm from the
5.
position of the front foot of the solar storage tank to determine the location of the collector rail (6).
Note: The roof straps are to be fitted to the collector rail (6) before fixing the straps to the rafters.
Determine which slots in the collector rail (6) will be used for the roof straps (4) after locating the rafters
and taking note of the rafter spacing. Hook two roof straps (4) to the collector rail (6). Refer to
Roof Strap to Collector Rail"
Hook the two roof straps (4) to the collector rail (6). The roof straps (4) are to be fitted to the collector
rail (6) before fixing the straps to the rafters.
Note: The solar collectors must be installed at an angle from the horizontal. This is to ensure a sufficient
angle rise across the collectors from left to right to assist in optimum thermosiphon operation and solar
performance.
Use a spirit level to determine the horizontal. Ensure the end of the collector rail (6) at the hot outlet side
(right hand side) of the solar collectors is between:
12 – 15 mm (for one solar collector), or
◼
24 – 30 mm (for two solar collectors)
◼
higher up the roof from the horizontal than the left hand end of the collector rail (6) at the inlet side of the
solar collectors.
If the roof material is not even where the collectors are to be installed, then it may be necessary to add
10 mm for each collector in the array to the above distances. It is important that the solar hot outlet is the
highest point in the collector waterway so the system functions efficiently.
on page 35 and the
DO NOT MODIFY THESE PARTS IN ANY WAY.
"Solar Collector Location"
on page 24 and
on page 43 and
Detail A
39
52D300/2NPT exploded view diagram
on page 32 and the installation
"Solar Collector Location"
on page 24 and
on page 43.
SYSTEM ASSEMBLY
"Solar Water
on
"Hooking
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