Crestron B-G2-FP User manual

Crestron B-G2-FP & B-G3-FP

2 and 3 Gang Faceplates

Installation Guide

This document was prepared and written by the Technical Documentation department at:

Crestron Electronics, Inc.

15 Volvo Drive

Rockleigh, NJ 07647

1-888-CRESTRON

Crestron B-G2-FP & B-G3-FP 2 and 3 Gang Faceplates

Contents

2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP 1

Introduction......................................................................................1

Physical Description ..............................................................1

Industry Compliance..............................................................3

Setup.................................................................................................4

Network Wiring.....................................................................4

Identity Code .........................................................................5

Installation .............................................................................5

Troubleshooting ...............................................................................9

Further Inquiries ....................................................................9

Future Updates.......................................................................9

Return and Warranty Policies ........................................................10

Merchandise Returns / Repair Service ................................10

CRESTRON Limited Warranty ..........................................10

Installation Guide - DOC. 8182 Contents •i

Crestron B-G2-FP & B-G3-FP 2 and 3 Gang Faceplates

2 and 3 Gang Faceplates:

B-G2-FP & B-G3-FP

Introduction

Two and three gang faceplates, B-G2-FP and B-G3-FP, are wall-mounted

plastic accessories that allow you to mount the CNX-B2/4/6/8/12 single-

gang keypads in groups of two or three. For more information on the

keypads, refer to latest version of the Operations and Installation Guide

for the Single Gang Keypads, Doc. 8173. The number in the product’s

name corresponds to the number of gangs. Each of these units is

available in three colors (almond, black, and white). The suffix ‘A’, ‘B’,

and ‘W’, respectively denotes color, i.e. B-G2-FPB is a 2-gang black

unit. The 2 and 3 gang faceplates are specifically designed for the

Crestron keypads and will not accommodate third-party decorator-style

components.

Several different metal finishes are also available (must be purchased

separately) for mounting on the plastic faceplates. Finishes include

chrome, brushed gold, polished black, polished brass, polished gold,

stainless steel and primed.

Physical Description

Refer to the illustrations on pages 2 and 3. The faceplate unit consists of

a removable 2 or 3-gang plastic faceplate and a 2 or 3-gang detent plate.

The metal faceplates are slightly larger than the plastic units. Refer to the

NOTE on page 6 for metal faceplate installation instructions.

The number of buttons on a keypad can vary from 2, 4, 6, 8, or 12. Each

button assembly consists of a rear speaker, and a male port (standard

Cresnet network port labeled 24 Y Z G). The port provides operating

power and communications to/from the keypad

Installation Guide - DOC. 8182 2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP •1

2 and 3 Gang Faceplates Crestron B-G2-FP & B-G3-FP

Physical Views

2-Gang black faceplate Metal finish mounted on 3-gang faceplate

with 12 and 8 black button keypads with 12 (2) and 8 black button keypads

2-Gang Faceplate/Detent Plate

4.636 in

4.724 in 0.220 in

(12.096 cm)*

(11.999 cm)*

(11.776 cm)

(11.872 cm)

4.762 in

4.674 in

(0.559 cm)*

* Metal faceplate dimensions – Height: 4.840 in (12.294 cm), Width: 4.800 in (12.192

cm), Depth: 0.283 in (0.719 cm)

2 •2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP Installation Guide - DOC. 8182

Crestron B-G2-FP & B-G3-FP 2 and 3 Gang Faceplates

3-Gang Faceplate/Detent Plate

6.449 in

(16.381 cm)

(11.872 cm)

4.674 in

6.537 in

4.762 in

0.220 in

(12.096 cm)*

(0.559 cm)*

(16.604 cm)*

* Metal faceplate dimensions – Height: 4.840 in (12.294 cm), Width: 6.614 in (16.800

cm), Depth: 0.283 in (0.719 cm)

Industry Compliance

As of the date of manufacture, the keypads have been tested and found to

comply with specifications for CE marking and standards per EMC and

Radiocommunications Compliance Labelling (N11785).

Installation Guide - DOC. 8182 2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP •3

2 and 3 Gang Faceplates Crestron B-G2-FP & B-G3-FP

Setup

Network Wiring

NOTE: When installing network wiring, refer to the latest revision of

the wiring diagram(s) appropriate for your specific system configuration,

available from the Downloads | Product Manuals | Software and Wiring

Diagrams section of the Crestron website (www.crestron.com).

When calculating the wire gauge for a particular Cresnet run, the length

of the run and the power factor of each network unit to be connected

must be taken into consideration. If Cresnet units are to be daisy-chained

on the run, the power factor of each unit to be daisy-chained must be

added together to determine the power factor of the entire chain. If the

unit is a home-run from a Crestron system power supply network port,

the power factor of that unit is the power factor of the entire run. The

length of the run in feet and the power factor of the run should be used in

the following resistance equation to calculate the value on the right side

of the equation.

Resistance Equation

R = Resistance (refer to table below).

L = Length of run (or chain) in feet.

PF = Power factor of entire run

(

or chain

)

R < L x PF

40,000 Where:

The required wire gauge should be chosen such that the resistance value

is less than the value calculated in the resistance equation. Refer to the

table below.

Wire Gauge Values

RESISTANCE (R) WIRE GAUGE

416

618

10 20

15 22

13 Doubled CAT5

8.7 Tripled CAT5

4 •2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP Installation Guide - DOC. 8182

Crestron B-G2-FP & B-G3-FP 2 and 3 Gang Faceplates

NOTE: All Cresnet wiring must consist of two twisted-pairs. One

twisted pair is the +24V conductor and the GND conductor and the other

twisted pair is the Y conductor and the Z conductor.

NOTE: When daisy-chaining Cresnet units, strip the ends of the wires

carefully to avoid nicking the conductors. Twist together the ends of the

wires that share a pin on the network connector, and tin the twisted

connection. Apply solder only to the ends of the twisted wires. Avoid

tinning too far up the wires or the end becomes brittle. Insert the tinned

connection into the Cresnet connector and tighten the retaining screw.

Repeat the procedure for the other three conductors.

Identity Code

Every equipment and user interface within the network requires a unique

identity code (NET ID). Refer to latest version of the Operations and

Installation Guide for the Single Gang Keypads, Doc. 8173, for

procedures on setting the NET ID.

Installation

NOTE: For simplicity, the following procedure is for a 2-gang unit.

Tools/hardware required

2-gang Plastic Faceplate (supplied with B-G2-FP)

2-gang Detent Plate (supplied with B-G2-FP)

(2) Single Gang Keypads (supplied separately), which includes:

Buttons

(2) Dividers

(4) 1 in. panhead phillips screws

(4) 3/16 in. flathead phillips screws

Cresnet network cable (supplied separately)

Phillips screwdriver (supplied by other)

After the Cresnet network wiring has been installed and verified, use the

following procedure to install the keypads in a standard, 2-gang electrical

box (refer to illustrations on pages 7 and 8).

Installation Guide - DOC. 8182 2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP •5

2 and 3 Gang Faceplates Crestron B-G2-FP & B-G3-FP

1. Turn Cresnet system power OFF.

2. Connect the Cresnet cable to the keypads’ Cresnet ports and

the other ends to the control system.

3. Attach the two keypad button assemblies to the detent plate

using the (4) 3/16 in. flathead screws (supplied with keypads).

CAUTION: Excess wire that is pinched between the keypad and

electrical box could short out. Make sure that all excess wire is

completely inside the electrical box and not between the box and the

keypad.

4. Make sure 2-gang unit is oriented as marked with keypads’

arrows at top, and place unit in the electrical box.

5. Attach units using the (4) 1 in. panhead screws (supplied with

keypads).

6. Attach buttons with LED window oriented upward to match

each LED indicator.

7. Attach dividers making sure dividers’ interlock tabs are

oriented correctly (refer to the “Interlock Tabs Example”

illustration on page 8).

8. Attach faceplate (orient with arrow up, make sure it snaps into

place).

NOTE: If you are installing a metal 2-gang faceplate, carefully clean

plastic faceplate mentioned in step 8, (leave no dust or debris on

faceplate), observe alignment, remove adhesive liners from inner surface

of metal faceplate and mount over 2-gang plastic faceplate.

9. Turn Cresnet system power ON.

6 •2 and 3 Gang Faceplates: B-G2-FP & B-G3-FP Installation Guide - DOC. 8182

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