UFO Flush Mount Installation Manual

© 2022 IRONRIDGE, INC. VERSION 3.5 FLUSH MOUNT INSTALLATION MANUAL - 6
3. SECURE LUGS
Use with one solid or stranded copper
wire, conductor size 10-4AWG.
4. SECURE MODULES
A. SECURE FIRST END
Place rst module in position on rails, a minimum of 1”
from rail ends. Snap Stopper Sleeves onto UFO. Fasten
module to rail using the UFO, ensuring that the UFO is
hooked over the top of the module. Torque to 80 in-lbs.
➢ Ensure rails are square before placing modules.
➢ Hold Stopper Sleeves on end while torquing to prevent rotation.
➢ If using CAMO instead of UFO + Stopper Sleeve, refer to Page 19
for CAMO installation procedure.
➢ UFO can be installed on modules 30 to 46mm.
B. SECURE NEXT MODULES
Place UFO into each rail, placing them ush against rst
module. Slide second module against UFO. Torque to 80
in-lbs. Repeat for each following module.
➢ When reinstalling UFO, move modules a minimum of 1/16" so
UFOs are in contact with a new section of module frame.
➢ When UFOs are loosened and re-tightened, ensure UFO T-bolt
bottoms out in rail channel before re-torquing UFO to achieve full
engagement between T-bolt and rail.
➢ If using Wire Clips, refer to Page 18.
C. SECURE LAST END
Place last module in position on rails, a minimum of 1”
from rail ends. Snap Stopper Sleeves onto UFO. Secure
UFO Clamps on rails, ensuring they are hooked over top
of module. Torque to 80 in-lbs.
➢ Hold Stopper Sleeves on end while torquing to prevent rotation.
➢ Repeat all steps for each following row of modules, leaving a
minimum 3/8" gap between rows
➢ If using CAMO instead of UFO + Stopper Sleeve, refer to Page 6
A
B
C
1" From
Rail End
UFO
(80 in-lbs)
Stopper
Sleeve
UFO
(80 in-lbs)
UFO
(80 in-lbs)
Terminal Screw
(20 in-lbs)
Hex Nut
(80 in-lbs)
Grounding Lugs
Only one Grounding Lug (Rail or Module) required per continuous
subarray, regardless of subarray size (Unless frameless modules are
used, see Page 20).
➢ Grounding Lugs are intended to for use with one solid or
stranded copper wire, conductor size 10-4 AWG.
Rail Grounding Lug
Insert T-bolt in Top Rail slot and torque Hex Nut to 80 in-lbs. Install
a minimum 10 AWG solid copper or stranded grounding wire. Torque
terminal screw to 20 in-lbs.
➢ Module Grounding Lugs can be installed anywhere along the Rail
and in either orientation shown.
Module Grounding Lug
Insert Bolt through Manufacturer approved grounding location and torque
Hex nut to 60 in-lbs. One Module Grounding Lug may be installed to
one module per row. Install a minimum 10 AWG solid copper or stranded
grounding wire. Torque terminal screw to 20 in-lbs.
➢ If using Enphase microinverters or Sunpower AC modules,
Grounding Lugs may not be needed. See Page 19 for more info.
➢ Refer to module manufactuer for mounting location and
instructions.
FLANGE NUT
GROUNDING LUG
BOLT
STAR WASHER
Terminal Screw
(20 in-lbs)
Hex Head
(60 in-lbs)
Module Grounding Lug
Rail Grounding Lug