INSTALLATION AND MAINTENANCE INSTRUCTIONS
SK-Zone Interface Module
SPECIFICATIONS
Normal Operating Voltage: 15 to 32 VDC
Maximum Current Draw: 5.1 mA (LED on)
Average Operating Current: 270µA (LED flashing)
EOL Resistance: 3.9K Ohms
Maximum IDC Wiring Resistance: 25 Ohms
External Supply Voltage (between Terminals T10 and T11)
DC Voltage: Regulated 24 VDC
Ripple Voltage: 0.1 Volts RMS maximum
Current: 90mA per module
Temperature Range: 32˚F to 120˚F (0˚C to 49˚C)
Humidity: 10% to 93% Non-condensing
Dimensions: 41/2˝ H × 4˝ W × 11/4˝ D (Mounts to a 4˝ square by 21/8˝ deep box.)
Accessories: SMB500 Electrical Box
BEFORE INSTALLING
This information is included as a quick reference installation guide. Refer to
the control panel installation manual for detailed system information. If the
modules will be installed in an existing operational system, inform the operator and local authority that the system will be temporarily out of service. Disconnect power to the control panel before installing the modules.
NOTICE: This manual should be left with the owner/user of this equipment.
GENERAL DESCRIPTION
The SK-Zone Interface Module is intended for use in intelligent, two-wire
systems, where the individual address of each module is selected using the
built-in rotary switches. This module allows intelligent panels to interface and
monitor two-wire conventional smoke detectors. It transmits the status (normal, open, or alarm) of one full zone of conventional detectors back to the
control panel. All two-wire detectors being monitored must be UL compatible
with this module.
COMPATIBILITY REQUIREMENTS
To ensure proper operation, this module shall be connected to a compatible
Silent Knight system control panel only (list available from Silent Knight).
FIGURE 1. CONTROLS AND INDICATORS:
MOUNTING
The SK-Zone mounts directly to 4-inch square electrical boxes (see Figure 2).
The box must have a minimum depth of 21/8 inches. Surface mounted electrical boxes (SMB500) are available from Silent Knight
WIRING
NOTE: All wiring must conform to applicable local codes, ordinances, and
regulations. This module is intended for power-limited wiring only.
1. Install module wiring in accordance with the job drawings and appropriate wiring diagrams.
2. Set the address on the module per job drawings.
3. Secure module to electrical box (supplied by installer), as shown in
Figure 2.
FIGURE 2. MODULE MOUNTING:
I56-3440-001
12 Clintonville Road, Northford, CT 06472
203.484.7161; Fax: 203.484.7118
www.silentknight.com
C1059-00
COMPATIBLE TWO-WIRE SYSTEM SENSOR SMOKE DETECTORS FOR USE WITH SK-ZONE INTERFACE MODULE WITH ZONE IDENTIFIER A:
C1066-00
Detector Compatibility Detector Base Base Max
Model ID Type Model Identifier Detectors
1451 A Ionization B401/B A 20
2451 A Photoelectric B401/B A 20
2451TH A Photoelectric with Thermal B401/B A 20
1400 A Ionization N/A — 20
2400 A Photoelectric N/A — 20
2400TH A Photoelectric with Thermal N/A — 20
1100 A Ionization N/A — 20
1151 A Ionization B110LP/B401 A 20
2100 A Photoelectric N/A — 20
2100T A Photoelectric with Thermal N/A — 20
2151 A Photoelectric B110LP/B401 A 20
*Used in combination with MTL isolator model MTL3043.
SK-460-012 1 I56-3440-001
FIGURE 3. INTERFACE TWO-WIRE CONVENTIONAL DETECTORS, NFPA STYLE B:
(+)
(–)
(+)
(–)
(+)
(–)
+
–
LISTED BATTERY-BACKUP SWITCHED
REGUALTED DC POWER SUPPLY
POWER TO THE INTERFACE
MODULE MUST BE EXTERNALLY
SWITCED TO RESET THE
DETECTORS. A RELAY CONTROL
MODULE CAN BE USED TO SWITCH
POWER FROM A STANDARD POWER
SUPPLY (SEE FIGURE 5).
OPTIONAL BRANCH CIRCUIT
TO NEXT INTERFACE
MODULE. MODULE
SUPERVISES SUPPLY
VOLTAGE AND
DETECTOR LOOP.
(+)
(–)
TERMINAL WIRING MUST
BE POWER LIMITED.
TO NEXT
DEVICE
INTERFACE
MODULE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO
LISTED COMPATIBLE
CONTROL PANELS ONLY.
FROM
PA NEL OR
PREVIOUS
DEVICE
3.9K EOL
RESISTOR
(INCLUDED)
A2143-10
DO NOT LOOP WIRE UNDER TERMINALS. BREAK ALL WIRE RUN TO PROVIDE SUPERVISION OF CONNECTIONS. DETECTORS MUST
BE UL LISTED COMPATIBLE WITH MODULE. INSTALL DETECTORS PER MANUFACTURER’S INSTALLATION INSTRUCTIONS
*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT
ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.
+
–
DO NOT MIX FIRE ALARM INITIATING, SUPERVISORY,
OR SECURITY DEVICES ON THE SAME MODULE.
(+)
(–)
(+)
(–)
(+)
(–)
(+)
(–)
LISTED
BATTERY-BACKUP
SWITCHED REGUALTED
DC POWER SUPPLY
POWER TO THE INTERFACE
MODULE MUST BE
EXTERNALLY SWITCED TO
RESET THE DETECTORS. A
RELAY CONTROL MODULE CAN
BE USED TO SWITCH POWER
FROM A STANDARD POWER
SUPPLY (SEE FIGURE 5).
OPTIONAL BRANCH CIRCUIT
TO NEXT INTERFACE MODULE.
MODULE SUPERVISES SUPPLY
VOLTAGE AND
DETECTOR LOOP.
TERMINAL WIRING MUST
BE POWER LIMITED.
3.9K EOL RESISTOR
REQUIRED AT TERMINALS
8 & 9 (INCLUDED) A2143-10
DO NOT LOOP WIRE UNDER TERMINALS. BREAK ALL WIRE RUN TO PROVIDE SUPERVISION OF CONNECTIONS. DETECTORS
MUST BE UL LISTED COMPATIBLE WITH MODULE. INSTALL DETECTORS PER MANUFACTURER’S INSTALLATION INSTRUCTIONS
INTERFACE
MODULE
TO NEXT
DEVICE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PA IR
IS RECOMMENDED
CONNECT MODULES TO
LISTED COMPATIBLE
CONTROL PANELS ONLY.
FROM
PANEL OR
PREVIOUS
DEVICE
*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT
ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.
+
−
+
−
DO NOT MIX FIRE ALARM INITIATING, SUPERVISORY, OR SECURITY
DEVICES ON THE SAME MODULE.
(+)
(–)
(+)
(–)
(+)
(–)
(+)
(–)
(+)
(–)
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO LISTED COMPATIBLE
CONTROL PANELS ONLY.
FROM
PANEL OR
PREVIOUS
DEVICE
RELAY CONTROL
MODULE
TO NEXT
DEVICE
POWER LIMITED DC
POWER SUPPLY,
LISTED FOR FIRE
PROTECTION WITH
BATTERY BACKUP
*NOTE: ANY FAULT IN THE POWER SUPPLY IS
LIMITED TO THAT ZONE AND DOES NOT
RESULT IN A FAULT IN A SEPARATE ZONE.
FIGURE 4. INTERFACE TWO-WIRE CONVENTIONAL DETECTORS, NFPA STYLE D:
C1061-00
FIGURE 5. RELAY CONTROL MODULE USED TO DISCONNECT A POWER SUPPLY:
SK-460-012 2 I56-3440-001
©2009 Honeywell International Inc.
C1062-00
C0945-00