CHIEF RPA Series User manual

RPA Series

LCD/DLP

Ceiling Mount

BEFORE YOU BEGIN

• You must have an SLB (bracket designed for your application) to attach the RPA to your projector.

• The maximum weight to be installed on the RPA ceiling mount is 50 pounds (22.68 Kg).

•CAUTION: To prevent damage to the RPA, which could affect or void the Factory warranty, thoroughly

study all instructions and illustrations before you begin to install the RPA. Pay particular attention to the

“Important Precautions” on Page 1.

• If you have any questions about this installation, contact Chief Manufacturing at 1-800-582-6480.

I N S T R U C T I O N M A N U A L

The Chief RPA Series ceiling mounts provide a unique, sim-

plified method of ceiling mounting inverted LCD/DLP pro-

jectors. Chief’s low profile design offers three easy

mounting methods (1 1/2”NPT, flush or threaded rod); roll,

pitch and yaw adjustment; a cable management system;

and custom designed brackets that allow quick projector

disconnect without loss of registration.

All Chief RPA Series ceiling mounts provide access for

quick lamp changes and easy filter cleaning without requir-

ing any disassembly. The mount is constructed of heavy

gauge steel and designed to ensure proper projector venti-

lation.

Fast and precise image registration is achieved through the

easy roll, pitch and yaw adjustments built into the RPA

mounts. Optional projector security is included by using the

All-Points™Security kit

CHIEF MANUFACTURING INC.

1-800-582-6480 952-894-6280 FAX 952-894-6918

12800 HIGHWAY 13 SOUTH, SUITE 500

SAVAGE, MINNESOTA 55378 USA

PART NO. 8811-000001 (Rev. E)

2000 Chief Manufacturing

www.chiefmfg.com

Printed in USA 09-03

RPA

SLB

Typical Shown

All-Points™ Security Option Included

quick-disconnect thumbnut

Chief’s Exclusive

Instruction Manual RPA

IMPORTANT WARNINGS AND CAUTIONS!

WARNING: A WARNING alerts you to the possibility of serious injury or death if you do not follow the instructions.

CAUTION: ACAUTION alerts you to the possibility of damage or destruction of equipment if you do not follow the cor-

responding instructions.

•WARNING: Improper installation can result in serious personal injury! Make sure that the ceiling struc-

tural members can support a redundant weight factor five times the total weight of the equipment. If the

ceiling can not support this weight, reinforce the ceiling before installing the RPA.

•CAUTION: Inspect the unit for shipping damage. See “DIMENSIONAL DRAWING” on page 2

TOOLS REQUIRED FOR INSTALLATION

• Allen Wrench (provided)

• Security Allen Wrench (provided)

• Phillips screwdrivers, No. 1 and No. 2

NOTE: Other tools may be required depending on the

method of installation.

CONTENTS

DIMENSIONAL DRAWING ............................. 2

INSPECT THE UNIT BEFORE

INSTALLING ...................................................... 3

PREPARE THE CEILING .................................. 3

General Guidelines .............................................. 3

RPA INSTALLATION PROCEDURES ............. 4

1 1/2” Diameter NPT Threaded Pipe ................... 4

Standard Fasteners Secured to

a Wood Framing Member .................................... 5

Threaded Rod ....................................................... 5

BRACKET ATTACHMENT PROCEDURES ... 6

ALL-POINTS SECURITY .................................. 6

PROJECTOR ALIGMNMENT

INSTRUCTIONS ................................................. 7

Pitch ..................................................................... 7

Roll ....................................................................... 7

Yaw ...................................................................... 7

PARTS ................................................................. 8

Instruction Manual RPA

DIMENSIONAL DRAWING

5.03 3.25

Instruction Manual RPA

INSPECT THE UNIT BEFORE INSTALLING

1. Carefully inspect the RPA for shipping damage. If any damage

is apparent, call your carrier claims agent and do not continue

with the installation until the carrier has reviewed the damage.

NOTE: Read all instructions before starting installation.

2. Lay out components to ensure you have all the required parts

before proceeding (see “PARTS” on page 8).

PREPARE THE CEILING

Because of the wide variety of possible mounting situations, Chief

Manufacturing can only provide general guidelines for installation.

Study the following information carefully, and adapt it as necessary

to fit your specific installation.

WARNING: Be especially aware of the weight of the equipment, and the potential for personal injury or of damage to the

equipment if it is not adequately mounted.

The “General Guidelines” below and the information on the follow-

ing pages cover the most common mounting situations:

• Suspended from a 1 1/2” diameter NPT threaded pipe secured to a structural cross brace in the ceiling.

• Standard fasteners secured to a wood framing member.

• Suspended from threaded rods that are secured to the structural cross brace

General Guidelines

• Carefully determine the position of the mount, and its distance from the screen. This will require knowing the lens to screen

distance (see projector specifications for set-up).

WARNING: Improper installation can result in serious personal injury! To avoid such injury, make sure that the ceil-

ing structural members can support a redundant weight factor five times the total weight of the equipment you intend

to support overhead. If they cannot, the ceiling must be reinforced before you install the mount.

Instruction Manual RPA

RPA INSTALLATION PROCEDURES

There are three methods for installing the RPA Series LCD/DLP

ceiling mount. The RPA can be suspended from a 1 1/2” diameter

NPT threaded pipe, standard fasteners secured to a wood framing

member, or threaded rods.

WARNING: Improper installation can cause serious personal

injury! Make sure that the ceiling structural members can

support a redundant weight factor five times the total

weight of the equipment you intend to support overhead.

The ceiling must be reinforced before you install the RPA if

the ceiling cannot support a redundant weight factor five

times the total weight of the equipment.

1 1/2” Diameter NPT Threaded Pipe

Installation using a 1 1/2” diameter schedule 40 steel pipe section

with 1 1/2” NPT threads requires securing the pipe to the building

structure. We suggest the use of a Chief CMA ceiling plate to

secure the pipe to a structural member (see Figure 1 and Figure 2).

Install the RPA on the pipe as follows:

1. Thread the RPA onto the pipe a minimum of 1/2” to allow for

final yaw adjustment.

2. Using Allen wrench provided, tighten the set screw to lock the

RPA in position (see Figure 3).

4. Proceed to “BRACKET ATTACHMENT PROCEDURES” on

page 6.

Tighten

Figure 3. Tighten Set Screw

Unistrut

ildi

ng Truss

Suspended Ceiling

RPA

LCD/DLP Bracket

Projector

Figure 1. Example Using Pipe (1 1/2”)

Beam Clamp with

1/2” Dia. U-Bolt

6 1/2”

Ref.

CMA Ceiling Plate

Building I Beam

3/8” Dia. X 3”

Grade 5 Bolt, Nut, and

Washer (4)

1 5/8” X 1 5/8”

Unistrut (12 GA.)

Figure 2. Pipe (1 1/2”) Side View

CMA Ceiling Plate

1 1/2” CMA Extension Column

Instruction Manual RPA

Standard Fasteners Secured to a Wood Framing Member

The RPA can be secured to a wood framing member through four

slotted holes in the ceiling bracket using four 1/4” diameter lag

screws or, if the area is accessible from above, four 1/4” diameter

machine bolts, nuts, and washers (see Figure 4). Install the RPA as

follows:

1. Secure the ceiling bracket to the wood framing member.

2. Proceed to “BRACKET ATTACHMENT PROCEDURES” on

page 6.

Threaded Rod

Using four 1/4” diameter threaded rods, the RPA can be secured to

a typical unistrut, angle or channel assembly at the overhead struc-

tural members (trusses or I-beams) (see Figure 5 and Figure 6).

Install the RPA as follows:

1. Secure one end of the threaded rod to the structural member.

2. Install a 1/4-20 jam nut on each threaded rod.

3. Install the RPA on the threaded rod.

NOTE: Holes in the RPA allow socket wrench access without

unit disassembly.

4. Secure the RPA to the threaded rod using four 1/4-20 nuts.

1/4” Dia.

Threaded Rod

RPA

Bracket

Figure 4. Example Using Lag Bolts or

Machine Bolts

Backing Block

1/4”Dia. Lag Bolt or

Machine Bolt

Joist

RPA

LCD/DLP Bracket

Projector

Figure 5. 1/4”Threaded Rod

(Front View)

Building Truss

1 5/8”

1/4-20 Nut

Each Side

Square Plate

1 5/8”

1/4-20

Threaded Rod

RPA

1 5/8”X1 5/8”

nistrut

(12 GA.)

Figure 6. 1/4”Threaded Rod

(Side View)

3/8” Dia. X 3”

Grade 5 Bolt, Nut and Washer (4)

3.25”

1 5/8” X 1 5/8”

Unistrut

Suspended Ceiling

Instruction Manual RPA

BRACKET ATTACHMENT PROCEDURES

All LCD/DLP brackets attach to the RPA by sliding the screws of

the bracket into the one enclosed slot and five vee slots of the RPA.

Secure the bracket using provided thumb screws (see Figure 7) and

route cabling as necessary. Install the RPA on the bracket as fol-

lows:

NOTE: It is not necessary to remove the thumb nuts from the

studs.

1. Loosen the 10-24 thumb nuts.

2. Align the locating slot and five vee slots of the RPA with the

10-24 studs of the bracket and slide the bracket on the RPA to

the limit of the slotted holes.

NOTE: The tapers of the thumb nuts should seat in the holes

of the bracket.

3. Secure the Bracket to the RPA using the thumb nuts (tapered

side down).

4. Route cables as necessary (see Figure 8).

ALL-POINTS™ SECURITY

Install All-Points security as follows:

1. Remove four screws (A thru D) (see Figure 9).

NOTE: You must retain the Security Allen Wrench if security

screws are installed. Do not discard this wrench or leave it

where unauthorized persons have access to your Security Allen

Wrench.

2. Using security wrench (provided), replace screws (A thru D)

with security screws.

3. Using security wrench (provided), remove 5/16” standard set

screw (E) and replace with 5/16” security set screw.

4. Remove two screws from SLB, preferably one from each far

corner (see Figure 10).

5. Using security wrench (provided), replace screws in SLB with

undercut security screws (see Figure 11).

6. Remove all projector mounting screws and, using security

wrench (provided), replace projector mounting screws with

security screws.

Locating Slot

RPA

Vee Slot (5) 10-24 Thumb Nut

10-24 Scre

Typical Mount to

Projector

LCD/DLP Bracket

shown

(Note: Taper down)

Figure 7. RPA to Bracket Attachment

Figure 8. Cable Routing Example

Figure 9. Remove and Replace Screws and Set Screw

Security Screws

Undercut Screw

Figure 11. Security Screws

Figure 10. Remove Adjacent Screws

Remove Screw

Instruction Manual RPA

PROJECTOR ALIGMNMENT INSTRUCTIONS

The RPA can be adjusted for vertical elevation (pitch), horizontal

tilt (roll), and rotation (yaw). Once the desired position is located

and all the screws of the RPA are tightened, the projector may be

removed from its location and replaced using the six thumb screws

without loosing the registration of the projector. Align the projector

as follows:

Pitch

Adjust pitch using the two 10-24X3/8” pitch adjustment screws

located on each side of the adjustment plate. Adjust pitch as fol-

lows:

1. Loosen two 10-24X3/8” pitch adjustment screws located on

each side of the adjustment plate (see Figure 12).

2. Adjust projector angle to desired pitch.

3. Tighten two 10-24X3/8” pitch adjustment screws located on

each side of the adjustment plate.

Roll

Adjust roll using the four 10-24X3/8” roll adjustment screws, two

on the front and three on the back, of the adjustment plate. Adjust

roll as follows:

1. Loosen two 10-24X3/8” roll adjustment screws on each side of

the adjustment plate (see Figure 13).

2. Adjust projector to desired roll position.

3. Tighten two 10-24X3/8” roll adjustment screws on each side of

the adjustment plate.

Yaw

Adjust yaw by threading or unthreading the RPA on the 1 1/2” pipe.

Adjust yaw as follows:

1. Loosen the set screw (see Figure 14).

WARNING: Do not turn the RPA to the end of the pipe threads.

The RPA, bracket, and projector will fall from the pipe if

the RPA is unthreaded too far.

2. Adjust projector by turning the RPA on the 1 1/2” pipe to the

desired yaw position.

3. Tighten the set screw.

Pitch adjustment screws

Figure 12. Pitch Adjustment

Figure 13. Roll Adjustment

Roll adjustment screws

Loosen

Set Screw

Figure 14. Yaw Adjustment

Instruction Manual RPA

PARTS

Table 1: Parts

No. Nomenclature Qty.

BRACKET, Ceiling

BRACKET, Joint

PLATE, Adjustment

SCREW, Self-Tapping, Pan Head, 10-24 X 1/2”, with washer

SCREW, Set, 5/16”

(12 Places)

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