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FLUSH MOUNTING INSTALLATION
13
S O L A R H O T W A T E R
36-50.25” MAX
36-45” MAX
Roof Sealant
75-90% Gobi Length
2.3. Flush Installation
2.3.0. Flush Foot Spacing
2.3.1. Hanger Bolt Mounting
2
2.3.4. Rail Mounting
2.3.5. Collector Mounting
Ro
of Sl
op
e
2.3.6. Rail Splice (optional)
2.3.2. Flange Mounting
2
2.3.3. Tile Mounting
2
a
a
b
b
3
2
1
1
1
1
2
3
3
1
2
2
2
3
3
3
4
2. Place collectors. Insert O-rings, tighten Unions. Take care not
to crimp O-ring. Do not use thread lock or sealants.
3. Place Helio-Clamps, and thread flanged nuts on exposed bolts
and tighten securely.
Heliodyne recommends using a
long lasting thread locker, such as
Loctite 277, on rail splice kits.
Locate a
1.
rafter and drill
a 3/8” hole for
lag portion add
roof sealant; use
two flange nuts
backed against
each other to lag
bolt into roof
Use one
2.
flange nut
face down for
compression seal.
Thread on
3.
2nd nut with
flange upwards,
then Clip or “L”
bracket, then third
flange nut and
tighten.
Locate
1.
a rafter and
use flange as
template to drill
two 3/8” holes
for lag screws;
add roof sealant
to holes and
flange.
Lag in
2.
screws.
Place
3.
OATEY 1-1/4”
flashing over
flange.
Replace
4.
shingle over
flashing; follow
best roofing
practices to
ensure seal.
Remove
1.
tiles. Locate a
rafter and use
tile bracket as
template to
drill three 3/8”
holes for lag
screws; add
roof sealant to
holes.
Lag in
2.
screws.
Replace
3.
tiles over
bracket; follow
best roofing
practices to
ensure seal.
With bolts, flange
1.
nuts and washers
installed, slide all “L”
brackets onto each
rail into approximate
position of hanger
bolts, flash flange or
tile bracket; ensure the
washer is on the inside
of the rail flange for
proper strength.
Insert “L” bracket
2.
onto each mount.
Tighten all nuts
3.
and bolts for proper
strength.
Before
1.
placing
collectors,
slide all
clamp
bolts and
washers into
approximate
position
on rails.
Ensure
washer is
inside the
rail channel
for proper
strength.
FLSH 001 000:
OTHERS:
2
While lag screws are provided with most kits, consult the American Wood Council NDS 2005 for proper lag screw specifications, or verify with a certified structural
engineer, for each specific roof site. Heliodyne is not responsible for mounting anchor integrity.
