Bosch B920 Installation Manual

1 | Overview

This keypad is SDI2 compatible. Multiple keypads can be
connected to the control panel by wiring them in parallel.
1 3 6 2 1
10
4
7 7
5
R Y G B
6 1 2 3 6 5
Callout ― Description
1 ― Wall mount holes
2 ― Single gang box holes
3 ― Double gang box holes
4 ― Wire opening
5 ― Surface mount wire openings
6 ― Gang box holes (3-4 in)
7 ― Surface mount wire channel
8 ― Bubble level
9 ― SDI2 wiring terminal block
10 ― Wire tie posts

2 | SDI2 address switches

Two switches determine the address for the keypad. The control
panel uses the address for communications. To set the switches,
use a slotted screwdriver.

2.1 | Access the address switches

1. Use a slotted screwdriver. Turn the lock counter-
clockwise.
2. Push down on the keypad to remove it from the base.
3. Find the switches on the back of the keypad.
Refer to the following illustrations.
10
5
9
10
8
1
Callout ― Description
1 ― Address switches

2.2 | Setting the address switches

Set the address switches per the control panel configuration.
If multiple SDI2 keypads reside on the same system, each
SDI2 keypad must have a unique address. For single-digit
addresses 1 through 9, set the tens switch to 0. The following
illustration shows the address switch setting for address 1.
.

3 | Installing

Caution!
Remove all power (AC and battery) before making any
connections. Failure to do so might result in personal
injury and/or equipment damage.

3.1 | Installing the keypad

You can surface install the keypad, or install it to standard
electrical boxes, including single gang boxes.
1. Use the base as a template to mark surface.
2. Pull the wiring through the opening in the base.
3. Use the mounting hardware to attach.

3.2 | Attaching to the control panel

Use the control panel terminals labeled R, Y, G, B (PWR, A, B,
COM). Connect them to the keypad terminals labeled R, Y, G, B.
Keypads can be wired directly to the control panel or from
keypad to keypad.
Callout ― Description
1 ― Control panel
2 ― Terminal wiring
3 ― Keypad's wiring terminal block
Reconnect the keypad to the base by sliding the keypad onto
the base (reverse of Step 2). Apply power to the system.

4 | Display

Adjusting brightness:
1. Push [MENU] to open.
2. Push [NEXT] to go to the Press 5 for Settings Menu option,
or press [5].
3. Push [NEXT] to go to the Press 4 for Keypad Config option,
or press [4].
4. Push [1] to adjust the brightness.
5. Push [PREV] or [NEXT] to adjust the brightness. The
changes apply immediately.
6. Push [ESC] to exit.
Adjusting nightlight (for control panels with version 2.01 or
higher):
1. Push [MENU] to open.
2. Push [NEXT] to go to the Press 5 for Settings Menu option,
or press [5].
3. Push [NEXT] to go to the Press 4 for Keypad Config option,
or press [4].
4. Push [NEXT] to go to the Press 4 for Nightlight option, or
press [4].
5. Push [PREV] or [NEXT] to toggle between Yes and No.
6. Push [ENTER] while viewing the option to save the
programming.
7. Push [ESC] to exit.