
SYSTEM 238 Installation Manual
2
Subject Page No.
System 238 Terminal Label Front Cover
Residential and Commercial Installation Guidelines 2
Installation 2 - 3
Wiring the Panel 3 - 4
System Start-Up 4
Keypad Setup 4 - 5
Addressing Keypads 5
Factory Default Settings 5
Programming Options (Alphabetical List) 5 - 6
Programming the Panel 6
Programming with the LED Keypad 6
Programming with the Alpha Keypad 6
Entering Hexadecimal Numbers 6
Programming the Alpha Keypad 6 - 7
Programming Letters & Numbers 7
Special Function Keys 7
Programming Options (Numerical Order) 8 - 18
Keypad Label Drawer 19
Telephone Line Problems 19
Watchdog Indicator 19
Keypad Operation Command Summary 20
Help with Common Problems (Troubleshooting) 21 - 22
Reducing False Alarms 23 - 24
Programming Worksheets 26 - 27
Table of Contents
Scope of This Manual
This manual contains basic installation and programming information
for the SYSTEM 238. For additional information about using or
programming the system, please refer to the SYSTEM 238 Keypad
Manual, Alpha Keypad Manual, or Commander II/Monitor II Operating
Manual.
BEFORE YOU START
12. The system must not be programmed to dial a police
station.
13. Use screws (supplied) to secure cover or install a lock on
the cabinet.
14. Loop Response Time should be set to 500mS.
Accuracy
This manual has been carefully checked for accuracy. However, C&K
SYSTEMS assumes no liability for inaccuracies or actions resulting
from the use of this manual. In addition, C&K reserves the right to modify
the SYSTEM 238 hardware, software, and manuals without prior
notice.
The following list of options are recommended for a standard SYSTEM
238 installation in a residential environment:
Residential Configuration
1. Program the audible to sound for at least four minutes
before silencing.
2. No zones should be programmed for silent alarm.
3. Fire zones should be programmed for Temporal Code 3
audible alarm.
4. Burglar zones should be programmed for a steady
audible.
5. Burglar loops should be programmed for EOL.
6. Entry Delay should not be greater than 45 seconds.
7. Exit Delay should not be greater than 60 seconds.
8. The Dynamic Battery Test should be enabled.
9. The Unit Status Report should be enabled.
10. The 24-hour Check-in (Test Report) should be enabled.
11. The communicator should not be programmed for Delay
Before Dial.
The following additional options are recommended for commercial
installations.
Mounting
The SYSTEM 238 should be mounted in a location which allows
convenient access to AC power, telephone connections, and earth
ground.
• Remove the circuit board from the cabinet. This will prevent
possible damage to the PCB when removing the knock-outs.
• Remove the knock-outs, as required.
• Mark the screw mounting holes on the wall.
• Mount the cabinet at the desired height and pass the cables
through the knock-outs.
• Replace the circuit board, remembering to connect the ground
lug to the lower left corner of the circuit board.
• Reconnect the spade lug to the lower door hinge. This provides
the earth ground connection for the door.
INSTALLATION
Zone Programming
1. The audible should be programmed to sound at least 15
minutes before silencing.
2. The ring-back function should be activated.
3. The control panel should be mounted in an enclosure that is:
(a) Attack-resistant (C&K Model # 2330-UAC)
(b) Secured with a key-lock and six (6) #6 X 1¼" sheet
metal screws.
(c) Tamper protected against cabinet door opening and
removal from mounting surface.
(d) For safe and vault applications the control panel must be
monitored by a UL Listed shock sensor suitable for the
protection of sheet metal enclosures.
4. The Ademco Model AD10-12 bell with Model AB bell housing
should be used.
5. The power and tamper wiring between the bell and the
control panel should be completely enclosed in rigid conduit
or electric metallic tubing for a Grade A system or flexible
conduit for a Grade B system.
6. Zone(s) monitoring tamper circuitry should be 24 hour and
non-shuntable.
FIRE LOOP BURGLAR LOOP
• No Delay Before Dial
• 24-hour arming
• Pulsing audible
• Supervised
- latching for heat
- resetting for smoke
• Not shuntable
• 500mS Loop Response Time
• No Delay Before Dial
• NO/NC with EOL
• Steady audible
• 500mS Loop Response Time
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