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H312KIT

Service
Center
Enclosure

Installation
Instructions

1. PRODUCT 

DESCRIPTION

The Model H312KIT is an ETL Listed structured wiring service center 
enclosure featuring 19 grid inches of mounting capacity in two 9-1/2” 
columns. OpenHouse and ChannelPlus structured wiring modules snap 
securely into the enclosure’s mounting grid.

The enclosure mounts in the wall between standard 16-inch spaced 
studs, or it can be surface mounted. The fl exi-mount system features four 
fl exible mounting tabs on the sides of the enclosure. The fl exi-mount tabs 
compensate for varying stud spacing and allow for adjusting the depth of 
the cabinet for fl ush-mounting with all thicknesses of drywall.

A snap-on cover that can be screwed shut is supplied with the enclosure. 
The vented cover has a raised interior, allowing for easy wiring and better 
component cooling.

Eight combination conduit knockouts (four along the top, two on the 
bottom, and one on each side) that fi t either 2” or 1/2” conduit fi ttings 
are provided. The enclosure has an additional knockout on the bottom to 
mount a single-gang junction box for AC outlet installation.

2. ENCLOSURE 

FEATURES

3. PRE-WIRE 

RECOMMENDATIONS

4. ENCLOSURE 

MOUNTING

5. OPTIONAL 

J-BOX 

INSTALLATION

6. OPTIONAL 

ENCLOSURE 

COUPLING

7. CABLE 

INSTALLATION

8.  PAINT SHIELD INSTALLATION

9. MODULE 

INSTALLATION

10. COVER  INSTALLATION

LIMITED WARRANTY

Linear LLC warrants this OpenHouse product to be free from defects in material and workmanship for 15 years. 
The time period will be measured using the date code labeled on the product. Linear LLC is not responsible for 
damage to the product resulting from the buyer’s improper handling, stocking or warehousing of the product. Any 
implied warranty arising from the sale of the product including implied warranties of merchantability and fi tness 
for purpose are limited. Linear LLC shall not be responsible for any losses, damages or expenses, whether 
direct, consequential, or incidental arising from the use or the inability to use the product. Some states and 
countries do not allow limitations or how long an implied warranty lasts or the exclusion or limitation or incidental 
or consequential damages, so the above exclusions may not apply. The Linear LLC warranty gives specifi c legal 
rights in addition to other rights, which may exist and vary from state to state and country to country.
The warranty is limited to repair or replacement of products returned, freight prepaid, to Linear LLC, there is NO 
PROVISION FOR LABOR COST OR OTHER REIMBURSEMENTS OF ANY KIND.
1. Failures due to product abuse, such as negligence, improper use, and electrical surge including damage from 

lightning, water damage or other damage due to natural disasters are not covered by the warranty. The most 
common form of product abuse is surge damage caused by lightning.

2. The warranty shall also be voided by any tampering with the date code, labels or other markings on the 

product.

3. Products that are damaged in transit to Linear LLC due to improper packaging or by the carrier (shipping 

company) will not be covered under the warranty. If the product was damaged or lost by the carrier, it is the 
sender’s responsibility to create a claim against the carrier.

4. The user is responsible for all labor costs associated with removing, reinstalling and returning the product to 

Linear LLC.

Linear LLC, at its option, will repair or replace the defective product. Replacements will be made from B-Stock, 
if an exact replacement is not available, Linear LLC, at its option, will select the nearest equivalent product. The 
user is responsible for freight charges to Linear LLC. Linear LLC will return warranted repaired or replacements 
by UPS Ground or an equivalent service. A customer may pay the additional costs for second-day or next-day 
service.
All products returned for warranty service require a Return Product Authorization Number (RPA#). Contact 
Linear Technical Services at 1-800-421-1587 for an RPA# and other important details.

(760) 438-7000

USA & Canada (800) 421-1587 & (800) 392-0123

Toll Free FAX (800) 468-1340

www.linearcorp.com

PRINTER’S INSTR

UCTIONS:

INSTR,INSTL,H312 - LINEAR P/N:

 227554 B - INK:

 BLA

CK - MA

TERIAL:

 20 LB

. MEAD BOND - SIZE:

 11.000”

 X 8.500”

 - SCALE:

 1-1 - SIDE 

1 OF 2

227554 B

®

The cables in an OpenHouse structured wire installation are “home run” from the various rooms to 
the service center enclosure location. Two types of cables are commonly used for communication and 
entertainment: 

Cat-5e

, 4-UTP (four 

U

nshielded 

T

wisted 

P

airs) for Ethernet network data, intercom, or 

up to four telephone lines. 

RG-6

 coax for television (cable or antenna), satellite dish, cable modem, 

audio, video and audio/video RF modulator signals.
See the following table for pre-wire cabling recommendations.

TYPICAL ROOM

MEDIA CENTER

HOME OFFICE

GOOD

1 Cat-5e / 1 RG-6

1 Cat-5e / 3 RG-6

1 Cat-5e / 2 RG-6

BETTER

2 Cat-5e / 1 RG-6

2 Cat-5e / 3 RG-6

2 Cat-5e / 2 RG-6

BEST

2 Cat-5e / 2 RG-6

3 Cat-5e / 3 RG-6

3 Cat-5e / 3 RG-6

Good...

Typical room: 

phone, TV

Media center: 

phone, satellite receiver, AV modulators

Home offi ce: 

phone, TV, cable modem

Better...

Typical room: 

phone, TV, Ethernet, intercom

Media center: 

phone, TV, Ethernet, satellite receiver, AV modulators

Home offi ce: 

phone, TV, Ethernet, cable modem, intercom

Best...

Typical room: 

phone, TV, Ethernet, satellite receiver, intercom

Media center: 

phone, TV, Ethernet, satellite receiver, AV modulators, fast data

Home offi ce: 

phone, TV, Ethernet, satellite receiver, cable modem, intercom

VENTED

ENCLO

S

URE

COVER

ENCLO

S

URE

FLEXI-MOUNT

TAB

S

 (4)

COMBINATION

2" / 1/2" KNOCKOUT

S

(

8

 TOTAL)

COVER

S

CREW

S

 (4)

OPENHOU

S

E

MOUNTING

GRID

S

INGLE-GANG

J-BOX

KNOCKOUT

S

URFACE

MOUNTING

HOLE

S

 (4)

DRYWALL

S

TUD

ENCLO

S

URE

ADJU

S

T DEPTH

TO 1/

8

" ABOVE

DRYWALL

ATTACH ENCLO

S

URE

TO 

S

TUD

S

 WITH

FOUR 

S

CREW

S

REMOVE JUNCTION

BOX KNOCKOUT
ON ENCLO

S

URE

IN

S

TALL

S

INGLE-GANG

JUNCTION BOX

S

ECURE WITH

FOUR 

S

CREW

S

CAUTION: THE AC OUTLET
AND AC POWER WIRING
MU

S

T BE IN

S

TALLED BY

A LICEN

S

ED ELECTRICAL

CONTRACTOR

REMOVE 

CARDBOARD

PAINT 

S

HIELD

S

AVE IT FOR

LATER U

S

E

ROUTE CABLE

S

THROUGH
KNOCKOUT

S

 

INTO CABINET

ROLL UP CABLE

S

MULTIPLE ENCLO

S

URE

S

CAN BE JOINED TOGETHER
U

S

ING ONE OR MORE

OPENHOU

S

E MODEL H271

2-INCH COUPLING TUBE

S

H271 COUPLING TUBE

REVER

S

E PAINT 

S

HIELD TAB

S

AND 

S

LIDE THE 

S

HIELD INTO ENCLO

S

URE

PAINT

S

HIELD

HOOK MODULE INTO GRID

2

4

PU

S

H BUTTON

TO LOCK MODULE
INTO GRID

5

MODULE IN

S

TALLED

READY FOR HOOK-UP

AFTER WALL PAINTING
REMOVE AND DI

S

CARD

THE PAINT 

S

HIELD

1

S

WING MODULE INTO PLACE

3

S

NAP COVER

ONTO ENCLO

S

URE

IN

S

TALL FOUR

COVER 

S

CREW

S

(OPTIONAL)

PRE

SS

 BOTH

CLIP

S

 INTO

COVER 

S

LOT

S

www.openhousesystem.com

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