SilentKnight SKE-450 User Manual

SKE-SERIES

Voice

Evacuation

Installation and

Operations Manual

Part Number 151267 Rev E

Contents

Section 1
Overview ......................................................................................................................................................			1-1
1.1	Features ....................................................................................................................................................		1-1
1.2	Optional Accessories ................................................................................................................................		1-2
1.3	About This Manual ..................................................................................................................................		1-2
1.4	How to Contact Silent Knight ..................................................................................................................		1-2
Section 2
Agency Listings, Approvals, and Requirements ...................................			2-1
2.1	FCC Warning ...........................................................................................................................................		2-1
2.2	Underwriters Laboratories (UL) ..............................................................................................................		2-1
	2.2.1 Requirements for All Installations ....................................................................................................		2-1
	2.2.2 Requirements for Local Protected Fire Alarm Systems ...................................................................		2-1
Section 3
Installation .................................................................................................................................................			3-1
3.1	Environmental Specifications ..................................................................................................................		3-1
3.2	Electrical Specification ............................................................................................................................		3-1
3.3	Board Layout ............................................................................................................................................		3-2
	3.3.1	Wiring Overview ..............................................................................................................................	3-3
	3.3.2	Terminal Strip 1 ................................................................................................................................	3-4
	3.3.3	Terminal Strip 2 ................................................................................................................................	3-4
	3.3.4	Earth Fault Resistance ......................................................................................................................	3-5
	3.3.5	System LEDs ....................................................................................................................................	3-6
	3.3.6	Microphone Connection ...................................................................................................................	3-7
	3.3.7	RS-232 Serial Connector ..................................................................................................................	3-7
	3.3.8	Microphone (MIC) Gain ...................................................................................................................	3-7
	3.3.9 S1 & S2 Message Test Buttons .........................................................................................................		3-7
	3.3.10 AC Delay Switch ..............................................................................................................................		3-8
3.4	Mounting the Control Panel .....................................................................................................................		3-8
	3.4.1	Preventing Water Damage ................................................................................................................	3-8
	3.4.2	Wiring Specifications .......................................................................................................................	3-9
3.5	Mounting the Main Control Board in the Cabinet .................................................................................		3-10
3.6	Speaker Wiring ......................................................................................................................................		3-11
	3.6.1	Wiring Lengths ...............................................................................................................................	3-11
	3.6.2 Class B (Style Y) ............................................................................................................................		3-12
	3.6.3 Class A (Style Z) .............................................................................................................................		3-12

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3.7	Input Circuits ..........................................................................................................................................		3-13
	3.7.1	CMD1 Input Circuit ........................................................................................................................	3-13
	3.7.1.1 Class B (Style Y) ..................................................................................................................		3-13
	3.7.1.2 Class A (Style Z) ..................................................................................................................		3-14
	3.7.2	CMD2 Input Circuit ........................................................................................................................	3-14
3.8	Connecting Power ..................................................................................................................................		3-15
	3.8.1	AC Power ........................................................................................................................................	3-15
	3.8.2	Backup Battery Power ....................................................................................................................	3-17
Section 4
Programming .........................................................................................................................................			4-1
4.1	DIP Switch Programming ........................................................................................................................		4-1
4.2	Recording Custom Message .....................................................................................................................		4-3
	4.2.1 Input Message 3 From the Microphone ............................................................................................		4-4
	4.2.1.1 Record Message 3 Using the Microphone .............................................................................		4-4
	4.2.1.2 To Erase Message 3 ...............................................................................................................		4-4
	4.2.2 Input Message 3 From a PC ..............................................................................................................		4-4
	4.2.2.1 Using the Aux Audio input ....................................................................................................		4-5
	4.2.2.2 Using 7780 Software ..............................................................................................................		4-6
Section 5
SKE-ZN4 Zone Splitter ...............................................................................................................			5-1
5.1	SKE-ZN4 Board and Components ...........................................................................................................		5-1
	5.1.1	Terminal Strip 1 ................................................................................................................................	5-2
	5.1.2	Terminal Strip 2 ................................................................................................................................	5-2
	5.1.3	Terminal Strip 3 ................................................................................................................................	5-2
	5.1.4	Terminal Strip 4 ................................................................................................................................	5-3
	5.1.5	Terminal Strip 5 ................................................................................................................................	5-3
	5.1.6	Manual Zone Switches .....................................................................................................................	5-3
	5.1.7	All Call Switch ..................................................................................................................................	5-4
	5.1.8	Zone Supervision Selectors ..............................................................................................................	5-4
	5.1.9	LED Descriptions .............................................................................................................................	5-4
5.2	SKE-ZN4 Specifications ..........................................................................................................................		5-4
5.3	Mounting the SKE-ZN4 In the SKE-450 Cabinet ...................................................................................		5-5
5.4	Speaker Wiring ........................................................................................................................................		5-7
	5.4.1	Wiring Procedure ..............................................................................................................................	5-7
	5.4.2 Class B (Style Y) ..............................................................................................................................		5-7
	5.4.3 Class A (Style Z) ...............................................................................................................................		5-8
	5.4.4 FACP Alarm Zone Control Wiring ..................................................................................................		5-9
	5.4.5 General Alarm Control Wiring .......................................................................................................		5-10

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Section 6
SKE-ZN6 Six Zone Splitter Installation			................................................................ 8-1
6.1	SKE-ZN6 Board and Components ...........................................................................................................		8-1
	6.1.1	Terminal Strip 1 ................................................................................................................................	8-2
	6.1.2	Terminal Strip 2 ................................................................................................................................	8-3
	6.1.3	Terminal Strip 3 ................................................................................................................................	8-4
	6.1.4	Manual Zone Switches ......................................................................................................................	8-4
	6.1.5	All Call Switch ..................................................................................................................................	8-4
	6.1.6	LED Descriptions .............................................................................................................................	8-4
6.2	SKE-ZN6 Specifications ..........................................................................................................................		8-5
6.3	Mounting the SKE-ZN6 In the SKE-450 Cabinet ...................................................................................		8-5
6.4	Speaker Wiring ........................................................................................................................................		8-7
	6.4.1	Wiring Procedure ..............................................................................................................................	8-7
	6.4.2 Class B (Style Y) ..............................................................................................................................		8-8
	6.4.3 Class A (Style Z) ...............................................................................................................................		8-8
	6.4.4 FACP Alarm Zone Control Wiring ..................................................................................................		8-9
	6.4.5 General Alarm Control Wiring .......................................................................................................		8-10
Section 7
SKE-SRM .....................................................................................................................................................			9-1
7.1	Specifications ...........................................................................................................................................		9-1
7.2	LED Description ......................................................................................................................................		9-2
7.3	Installation Instructions ............................................................................................................................		9-2
	7.3.1 Mounting the SKE-SRM Cabinet. ....................................................................................................		9-2
	7.3.2	Wiring Instructions ...........................................................................................................................	9-4
	7.3.3	Remote Microphone Operation ........................................................................................................	9-5
Section 8
SKE-V70 Module Installation ..........................................................................................			10-1
8.1	Mounting ................................................................................................................................................		10-1
8.2	Speaker Wiring ......................................................................................................................................		10-3
	8.2.1 Connecting the SKE-V70 to the Main Control Panel .....................................................................		10-3
	8.2.2 Class B (Style Y) Wiring to the SKE-V70 .....................................................................................		10-4
	8.2.3 Class A (Style Z) Wiring to the SKE-V70 .....................................................................................		10-4
	8.2.4 Connecting the SKE-V70 to the SKE-ZN4 or -ZN6 ......................................................................		10-5

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Section 9
Battery Calculation .........................................................................................................................	9-1
9.1 Calculating Current Draw and Standby Battery ......................................................................................	9-1
Silent Knight Fire Product Warranty and Return Policy

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Section 1

Overview

This manual contains information on how to install and operate the following voice evacuation controls:

	Model Number	Consists of these Part Numbers	Where to find Additional
			Information
	SKE-450	Main Control Panel	Section 3
	SKE-450-ZN4	Main Control Panel	Section 3
		SKE-ZN4	Section 5
	SKE-450-ZN6	Main Control Panel	Section 3
		SKE-ZN6	Section 6

1.1Features

•50 watt power output

•Built-in Digital Message Repeater (DMR)

•Two programmed 30 second messages, programmable to repeat 3, 4, 6, 8 or infinite number of times

•8 pre-programmed tones

•4 or 6 zone splitter (optional)

•LED indicators for:

Speaker Trouble	(Yellow LED)
Alarm	(Red LED)
Microphone Trouble	(Yellow LED)
Command 2 Trouble	(Yellow LED)
Earth Ground Fault	(Yellow LED)
Low Battery	(Yellow LED)
Power	(Green LED)

•Form C Trouble Relay (Common)

•Form C AC Trouble Relay

•Supervised and activated by host fire control system

•Auxiliary audio input

•Supervised Remote Microphone input (Special application for optional SKE-SRM)

•Class A or B speaker supervision

•DIP switch programmable

•UL 864 & 1711 Listed

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1.2Optional Accessories

Part Number	Description
SKE-ZN4	4 Zone Audio Splitter (see Section 5 for more information)
SKE-SRM	Supervised Remote Microphone (see Section 7 for details)
SKE-ZN6	6 Zone Audio Splitter (see Section 6 for more information)
SKE-V70	Converts the speaker circuit voltage from 25 to 70.7 Vrms
	(see Section 8 for more information)

1.3About This Manual

This manual is intended to be a complete reference for all installation and operation tasks. Please let us know if the manual does not meet your needs in any way. We value your feedback!

1.4How to Contact Silent Knight

If you have a question or encounter a problem not covered in this manual, contact Silent Knight Technical Support at 800-446-6444.

To order parts, contact Silent Knight Sales at 800-328-0103 (or 203-484-7161).

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Section 2

Agency Listings, Approvals, and Requirements

2.1FCC Warning

This device has been verified to comply with FCC Rules Part 15. Operation is subject to the two following conditions: (1) This device may not cause radio interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

2.2Underwriters Laboratories (UL)

The SKE-450 is UL listed as a voice evacuation unit for use in NFPA 72 systems. If the SKE450 and its accessories are to be used as part of a UL installation, carefully read the UL requirements in this section. For more information on NFPA 72 standards, refer to the NFPA National Fire Alarm Code.

2.2.1Requirements for All Installations

General requirements are described in this section. When installing an individual device, refer to the specific section of the manual for additional requirements.

1.All field wiring must be installed in accordance with NFPA 70, National Electric Code.

2.Use UL listed notification devices with the SKE-450 voice evacuation system.

3.A full system checkout must be performed any time the panel is programmed.

4.UL installations using Class B wiring for the speaker circuit require the use of a Model 7630 EOL resistor assembly.

2.2.2Requirements for Local Protected Fire Alarm Systems

At least one UL-listed, supervised notification appliance must be used.

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Section 3

Installation

This section of the manual is intended to help you plan your tasks to facilitate the installation. Please read this section thoroughly, especially if you are installing a SKE-450 control for the first time.

3.1Environmental Specifications

It is important to protect the SKE-450 control panel from moisture. To prevent damage, the following conditions should be avoided when installing the units:

•Mount indoors in dry locations only

•Do not mount directly on exterior walls, especially masonry walls (condensation)

•Do not mount directly on exterior walls below grade (condensation)

•Protect from plumbing leaks

•Protect from splash caused by sprinkler inspection ports

•Do not mount in areas with humidity-generating equipment (such as dryers, production machinery)

When selecting a location to mount the panel, it should be mounted where it will NOT be exposed to temperatures outside the range of 0°C-49°C (32°F-120°F) or humidity equal to or greater than 93% at 30°C (89°F) noncondensing.

3.2Electrical Specification

Table 3-1: Electrical Specifications

Circuit		Rating
Operating Voltage	120 Vrms @ 60 Hz @ 1.2 amp
	*230 Vrms @ 50Hz @ .607 amp
Battery Charging Voltage/Circuit	27.4 VDC @ 1.9A max/ 0.75 avg
Trouble Relays	2.5 A @ 30 VDC resistive
Minimum Low AC Detect	92VAC	25V System
	94VAC	70.7V System

*Specify voltage requirements when ordering.

Note: Refer to the control panel wiring diagram to determine which power source is required for your control.

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3.3Board Layout

This section of the manual describes the components of the control panel that may be used by the installer or operator.

		SKE-SRM			Control			Common
AC Delay	Remote Microphone							Relay
					Signals			Outputs
Switch		Terminals*

Terminal Strip 1

System LEDs

Terminal Strip 2

AC Transformer
Connector	Alarm		Speaker Circuit
	Activation			Connections

Inputs

* Special Applications

Figure 3-1 Board Layout

Message

Test Buttons

RS-232

Connector

Programming

DIPs

Microphone

Gain

Expansion

Connector

Battery Connector

Use Model 6712 Gell

Cell Batteries Replace batteries every 5 years.

Microphone

Connector

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3.3.1Wiring Overview

Figure 3-2 provides a basic wiring overview. Refer to the appropriate section in the manual for more information.

Figure 3-2 SKE-450 Wiring Overview

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3.3.2Terminal Strip 1

Table 3-2: Terminal Strip 1 Description

	Terminal Name		Comments
+		Remote Microphone	See Section 7.3.2 for details.
-
Active
IN
Neg		Aux Audio (Input)	For recording custom message only. See Section 4.2.2.
In
Enable
FO			Not Used
Com		AC Trouble (Relay)	Form C energizes when an AC trouble is detected regardless of
			setting of the AC delay switch.
NC
NO
Com		Trouble (Relay)	Form C common trouble relay
NC
NO

3.3.3Terminal Strip 2

		Table 3-3: Terminal Strip 2 Description
Terminal Name		Comments
+	CMD2	A short across this input will activate message 2.
	IN
–
+	CMD1	A reverse polarity trip from the FACP will activate message 1.
	IN
–
+	CMD1
	OUT
–
+	SPK IN	Used for Class A (Style Z) speaker connections
–
+	SPK	Used for Class B (Style Y) and Class A (Style Z) speaker connections.
	OUT
–

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3.3.4Earth Fault Resistance

Table 3-4 lists the earth fault resistance detection for each applicable terminal on the control panel.

Table 3-4: Earth Fault Resistance Values by Terminal

	Terminal Name		Value (in kohms)
+		Remote Microphone	0
-			0
Active			0
IN			0
+		CMD2 IN	0
–			0
+		SPK IN	0
–			0
+		SPK OUT	0
–			0

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3.3.5System LEDs

The control panel has LEDs which indicate system operation, alarms, and trouble conditions. Table 3-5 lists the LEDs and their function. See also .

Speaker Trouble

Alarm

Mic Trouble

CMD2 Trouble

Earth Ground Trouble

Battery Status

Power

Figure 3-3 System LEDs Close-up View

Table 3-5: LED Descriptions

LED Name	Color	Description	Comments
Speaker Trouble	Yellow	ON = Speaker circuit trouble	Trouble relay energized.
		OFF = Speaker/amp is operating normally
Alarm	Red	ON = Alarm	Either CMD1 and/or CMD2 are activated.
		OFF = No alarms
Mic Trouble	Yellow	ON = Trouble with on-board microphone	Trouble relay energized.
		OFF = Microphone connected
		Flashing = Trouble with remote
		microphone
CMD2 Trouble	Yellow	ON = Trouble condition with CMD2	Trouble relay energized.
		input, EOL trouble
		OFF = CMD2 operating properly
Earth Ground	Yellow	ON = Earth Ground Fault detected	Trouble relay energized.
		OFF = No Earth Ground Fault detected
Battery Status	Yellow	ON = Low Battery	Trouble relay energized.
		OFF = Battery OK
Power	Green	ON (Steady) = Power is present	Trouble relay energized immediately on trouble
		Flashing = No AC power to the control.	unless AC Delay is enabled, in which case, trouble
			relay will energize in 2 hours.

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3.3.6Microphone Connection

The microphone connector is used to connect a hand held microphone into the system. The microphone can be used to record a message and as a manual voice evacuation override. See Figure 3-4.

Figure 3-4 Microphone Connection

3.3.7RS-232 Serial Connector

The RS-232 serial connector is used to directly connect the main control to a PC or laptop to up/download custom system messages. See Section 4.2.2.2.

3.3.8Microphone (MIC) Gain

Turn fully clockwise for maximum gain, turn fully counter-clockwise for minimum gain. See Figure 3-4 for Microphone Gain control location.

3.3.9S1 & S2 Message Test Buttons

In normal operating mode you can test CMD 1 and CMD 2 messages by pressing the S1 button (for CMD 1 message) or S2 button (for CMD 2 message). When the S1 or S2 button is pressed for 1 second, the audio message and notification output will begin sounding, simulating an actual CMD input alarm. The message and notification will continue to sound (as programmed) for ten minutes, or you can manually silence them by pressing the same CMD button for 1 second. See Section 4.2 for S1 and S2 functions in recording mode.

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3.3.10 AC Delay Switch

The SKE-450 has two built-in trouble relays – General Trouble and AC Trouble.

The General trouble relay will energize when any trouble condition is detected. If the only trouble condition is an AC failure, the relay output can be programmed to delay the indication by 2 hours by setting the DIP AC Delay Switch 1 to ON. If the AC Delay Switch is in the OFF position the trouble relay will energize immediately when AC power fails. See Figure 3-1 for AC Delay Switch location. The AC Delay Switch may be used only when the SKE-450 is connected to an FACP that uses central station or off premise signaling.

The AC trouble relay will energize when an AC trouble is detected regardless of the settings of the AC delay switch.

3.4Mounting the Control Panel

Read the environmental specifications in Section 3.1 before mounting the control panel cabinet. This will ensure that you select a suitable mounting location.

The panel should be accessible to main drop wiring runs. It should be mounted as close to the center of the building as possible and located within a secured area, but should be accessible for testing and service.

Mount the control panel cabinet so it is firmly secured to the wall surface. When mounting on concrete, especially when moisture is expected, attach a piece of 3/4-inch plywood to the concrete surface and then attach the cabinet to the plywood. Also mount any other modules to the plywood.

The cabinet can be surface or flush-mounted. If you will be flush-mounting the cabinet, the hole for the enclosure should be 14.5" W x 24.75" H x 3-7/16" D (36.8cm W x 62.9cm H x 8.73cm D). Do not flush-mount in a wall designated as a fire break.

3.4.1Preventing Water Damage

Water damage to the fire system can be caused by moisture entering the cabinet through the conduits. Conduits that are installed to enter the top of the cabinet are most likely to cause water problems. Installers should take reasonable precautions to prevent water from entering the cabinet. Water damage is not covered under warranty.

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3.4.2Wiring Specifications

The maximum line resistance of the wire run from FACP to voice evacuation control system is 50W. All wiring and devices installed in the system must meet the standards described in National Electrical Code (NFPA 70), NFPA Standard 72, and Life Safety Code (NFPA 101).

To avoid induced noise (transfer of electrical energy from one wire to another), keep input wiring isolated from high-current output and power wiring. Avoid pulling one multiconductor cable for the entire panel. Instead, separate the wiring as follows:

Table 3-6

1/4" spacing must be maintained	Input/Output Type	Wiring
between each of these circuit types;
	Non Power-Limited:	AC power, Standby batteries
as well as between power limited
	Power-Limited:	Notification devices, SKE-SRM, and Relays
and non power-limited circuits.
	Audio:	Speaker

DO NOT pull wires from different groups through the same conduit.

For the same reasons, wiring within the cabinet should be routed around the perimeter of the cabinet. It should not cross the printed circuit board where it could induce noise into the sensitive microelectronics or pick up unwanted RF noise from the high speed circuits.

High frequency noise, such as that produced by the inductive reactance of a speaker or bell, can also be reduced by running the wire through ferrite beads or by wrapping it around a ferrite toroid core. Figure 3-5 provides an example.

Speaker

To AC

Speaker

CMD Inputs

Battery Cable

Figure 3-5 Wire Routing Example

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3.5Mounting the Main Control Board in the Cabinet

Follow these steps to properly install the main control board into the cabinet:

1.Unlock and open the cabinet door.

2.Remove the two cover plate retaining screws, then open the control panel cover plate. See Figure 3-6.

Zone Splitter

Access Plate

Control Panel		Control Panel
Cover Plate
		Cover Plate
Retaining Screws

Hinge Screw

Figure 3-6 View of Cabinet With Cover Plate in Place

Note: The control panel cover plate can be remove by removing the Hinge screw.

3.Run all wire needed to install the system at this time. See Sections 3.6 and 3.7.

4.Mount the main control board into the cabinet as shown in Figure 3-7.

Main Control

Chassis Mounting

Screws

Figure 3-7 Main Control Board Mounting Location

5. Connect wiring as described in Sections 3.6, 3.7, and 3.8.

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3.6Speaker Wiring

Each SKE-450 supplies one NAC (Notification Appliance Circuit) for speaker connection. The speaker circuit can be supervised and wired Class B (Style Y) or Class A (Style Z). The speaker circuit is capable of 50 watts of power at 25 Vrms or 70.7 Vrms (using the SKE-V70 Module, see Section 8 for SKE-V70 installing instructions).

Note: If the SKE-V70 Module is installed, all speaker wiring must be separated by a minimum of 1/4” from the low voltage wiring, and must exit the cabinet through its own opening.

3.6.1Wiring Lengths

Table 3-7

	Number Of Speakers		Total Load			Wire Distance in Feet
	@1/2 W	@1 W	Vrms	Watts	18 AWG	16 AWG	14 AWG	12 AWG
	10	5	25Vrms	5W	3900	6200	9860	15680
			70Vrms		25000	39700	63200	100520
	20	10	25Vrms	10W	2125	3380	5375	8540
			70Vrms		15200	24150	38400	61100
	30	15	25Vrms	15W	1460	2320	3690	5870
			70Vrms		11000	17500	27800	44200
	40	20	25Vrms	20W	1100	1750	2780	4420
			70Vrms		8500	13510	21500	34175
	52	26	25Vrms	26W	760	1200	1920	3050
			70Vrms		6100	9700	15400	24520
	80	40	25Vrms	40W	550	875	1390	2200
			70Vrms		4100	6500	10360	16480
	100	50	25Vrms	50W	450	715	1130	1800
			70Vrms		3500	5560	8850	14070

Note: The above table assumes a uniform distribution of the speakers, and that a max of 20% voltage drop on the last speaker is allowed.

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3.6.2Class B (Style Y)

Figure 3-8 illustrates how to wire speakers to the control panel using Class B (Style Y) supervision.

Supervised

Power Limited

15 kΩ EOL

UL Listed Model 7630

Figure 3-8 Class B (Style Y) Speaker Configuration

3.6.3Class A (Style Z)

Figure 3-9 illustrates how to wire speakers to the control panel using Class A (Style Z) wiring.

Supervised

Power Limited

Figure 3-9 Class A (Style Z) Speaker Configuration

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3.7Input Circuits

The SKE-450 has two command input circuits (CMD1 & CMD2). The command input circuits are used to activate the amplifier that transmits the audio signal over the output speakers.

3.7.1CMD1 Input Circuit

This section describes how to connect Class B (Style Y) or Class A (Style Z) inputs to CMD1 terminals. CMD1 input circuit rating is 12 to 30 VDC @ 50 mA. CMD1 is a polarity reverse input to activate and supervise the SKE-450

3.7.1.1Class B (Style Y)

Figure 3-10 illustrates how to wire a Class B (Style Y) input circuit to CMD1 input.

Supervised

Power Limited

If a trouble condition exists on the SKE-450, the supervision circuit is opened in addition to energizing the trouble relay causing a trouble at the FACP.

4.7 kΩ EOL

UL Listed Model 7626

Note: The 4.7 kΩ EOL is typically used with Silent Knight Controls. Check the Installations Manual of the FACP you are using to determine EOL value.

Figure 3-10 Class B (Style Y) CMD1 Input Circuit Configuration

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