SilentKnight HFS-MR User Manual

Hfs-mr relay control module, Installation and maintenance instructions

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HW-460-015

1

I56-3486-000

HFS-MR Relay Control Module

BeFoRe InStallIng
This information is included as a quick reference installation guide. Refer to
the appropriate control panel installation manual for detailed system infor-
mation. 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 HFS-MR Relay Control 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. It allows a compatible control panel to switch
discrete contacts by code command. The relay contains two isolated sets of
Form-C contacts, which operate as a DPDT switch and are rated in accordance
with the table in the manual. Circuit connections to the relay contacts are
not supervised by the module. The module also has a panel controlled LED
indicator.
CoMpatIBIlIty RequIReMentS
To ensure proper operation, this module shall be connected to listed-compat-
ible control panels only.
FIguRe 1. ContRolS anD InDICatoRS:

C1071-00

MountIng
The HFS-MR mounts directly to 4-inch square electrical boxes (see Figure 2A).
The box must have a minimum depth of 2

1

/

8

inches. Surface mounted electri-

cal boxes (SMB500) are available. The module can also mount to the HFS-D
or DNR(W) duct housing.

SpeCIFICatIonS
Normal Operating Voltage:

15 to 32 VDC

Maximum Current Draw:

6.5 mA (LED on)

Average Operating Current:

230µA direct poll; 255µA group poll

EOL Resistance:

Not used

Temperature Range:

32˚F to 120˚F (0˚C to 49˚C)

Humidity:

10% to 93% Non-condensing

Dimensions:

4

1

/

2

˝ H x 4˝ W x 1

1

/

4

˝ D (Mounts to a 4˝ square by 2

1

/

8

˝ deep box.)

Accessories:

SMB500 Electrical Box; CB500 Barrier

I56-3486-000

InStallatIon anD MaIntenanCe InStRuCtIonS

FIguRe 2a. MoDule MountIng

FIguRe 2B:

wItH BaRRIeR:

C1070-00

wIRIng
NOTE: All wiring must conform to applicable local codes, ordinances, and reg-
ulations. When using control modules in nonpower limited applications, the
CB500 Module Barrier must be used to meet UL requirements for the separa-
tion of power-limited and nonpower-limited terminals and wiring. The barrier
must be inserted into a 4˝ Ч 4˝ Ч 2

1

/

8

˝ junction box, and the control module

must be placed into the barrier and attached to the junction box (Figure 2A).
The power-limited wiring must be placed into the isolated quadrant of the
module barrier (Figure 2B).

1. Install module wiring in accordance with the job drawings and appropri-

ate wiring diagrams.

2. Reference the control panel device address map to determine appropriate

addressing.

3. Set the address on the module per job drawings.
4. Secure module to electrical box (supplied by installer), see Figure 2A.
Wire should be stripped to the appropriate length (recommended strip length
is

1

/

4

“ to

3

/

8

”). Exposed conductor should be secured under the clamping plate

and should not protrude beyond the terminal block area. Caution: Do not loop
wire under terminals. Break wire run to provide supervision of connections.

12 Clintonville Road

Northford, CT 06472-1653

Phone: 203.484.7161

R E V I S E D

by the Graphic Development Department

Please review all content carefully.

11:02 am, Aug 13, 2009

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