Specifications

Installer’s Guide
Electric Boosted Solar
17
H3163 025247 Rev. D
• Connect the anti-frost valve to the
top collector connection, on the
opposite collector to where the
thermowell/air bleed valve is installed.
• Ensure the valve is pointing down the
collector towards the gutter, parallel
to the collector.
B
A
A - Normal position of anti-frost valve (if required)
B - Position of second anti-frost valve (if required)
1 Collector 2 Collectors
B
A
3 Collectors
A
B
Flashing
Step 19
• As per local authority regulations,
use an approved method of ashing
on the ow and return lines, e.g.
Dektite or lead collars.
• Where ow and return lines penetrate
the roof surface, the penetration
must occur on the high side of the
roof prole, not in the valley.
• Seal the roof penetration with
a exible waterproof ashing.
We recommend the use of the
appropriate Dektite brand solar
ashing (available for either tile or
steel roofs).
Anti-Frost Valve
Anti-Frost Valve must
point towards the gutter,
parallel to the collector
Flexible
waterproof
flashing
Roof penetration must
be on high side of tile