Greenheck Open or Closed Indicator (459656) User Manual
Installation instructions, For oci (open/close indicator) on, Detail 1

Upturned Leg Faces
Away From Blade End
#10 x 1/2 in. Tek Screw
or Equivelant
Part No. 415555
2 Req’d
0.166 in. dia.
2 Places
Indicator Bracket
Part No. 658594
1 Req’d
#10 x 1/2 in. Tek
Screw
or Equivelant
Part No. 415555
2 Req’d
Upturned Leg
Faces Away From
Blade End
Indicator Bracket
Part No. 658594
1 Req’d
1.625
1.750
Indicator Link
(short or long; see C)
1 Req’d
Push Nuts
2 Req’d
Gasket
1 Req’d
J-Box Cover
1 Req’d
#10-16 x 3/4 in
.
SIHWH Screw
2 Req’d
J-Box
1 Req’d
A
B
C
D
OCI
1 Req’d
Note: Indicator Link Part Nos
.
For Standard Sleeve (short): 457808
For Extended Sleeve (long): 457801
OCI - Exploded View
Airfoil Blade
3-V Blade
Indicator
Bracket
Indicator
Link
Steps to install an OCI in a Smoke or Fire Smoke
Damper:
1. Drill/Saw a 3 5/8 in. (92mm) diameter hole in sleeve (Detail 2).
2. Attach indicator bracket to blade. For an Airfoil blade damper, use
existing holes in blade (Detail A). For a 3-V blade damper, drill two
0.166 in. (4mm) diameter holes
(Detail B). Fasten bracket to blade with #10 x 1/2 in. (13mm) TEK
screws (or equivalent).
3. Fit indicator link into blade bracket (Detail C).
4. Insert OCI unit through hole in sleeve (round end inside).
5. Place 4 x 4 in. J-Box over the flange of the OCI unit and align holes.
6. Mount control box to sleeve/sideplate with #10-16 x 3/4 in. (19mm)
TEK screw (or equivalent) (Detail D).
7. Place one pushnut on the switch wire. Place indicator link on switch
wire and secure with a second pushnut (Detail D).
8. Complete wiring and install J-Box cover.
Detail 1
for OCI (Open/Close Indicator) on
SMD, FSD, SSSMD, SSFSD Series
Smoke & Combination Fire Smoke Dampers
OCI KIT Part Number 851848
Document number 459656
INSTALLATION INSTRUCTIONS
All dimensions shown in inches.