System seismic anchoring, figure 1, Front – Emerson Liebert Static Transfer Switch User Manual

Page 33

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background image

Installation Drawings

25

Figure 12 Seismic anchor drawing: 400 – 600 amp Liebert STS2

5. MOVE CABINET INTO POSITION WITH REAR TABS INTO SLOTS OF

FLOOR BRACKET. TABS TO EXTEND AT LEAST 1/2" THROUGH FLOOR

BRACKET (FIG. 2). THEN ATTACH FRONT FLOOR BRACKETS TO FRONT

CABINET BASE BRACKET BUT DO NOT FULLY TIGHTEN HARDWARE.

6.

MARK

HOLE LOCATIONS AND REMOVE BRACKETS. DRILL AND INSTALL

FLOOR BRACKETS. UNIT DOOR CAN BE REMOVED FOR BETTER ACCESS.

REINSTALL

FRONT FLOOR BRACKETS TO FRONT CABINET BRACKETS WITH

SUPPLIED HARDWARE AND TORQUE TO 235 LB-IN (26.5 Nm), (FIG. 3).

7. IF SIDE WALLS ARE PRESENT, 5.0 INCH MINIMUM DISTANCE FROM EITHER

SIDE WALL IS REQUIRED.

8. REAR AND FRONT FLOOR BRACKETS, AND REAR AND FRONT CABINET

BASE BRACKETS ARE 1010 STEEL AND APPROX. .25 INCH THICK.

NOTES:

1. RECOMMENDED FLOOR ANCHOR: 1/2" ITW RAMSET/RED HEAD

SELF DRILLING ANCHOR, ICBO #ER-1372 OR EQUIVALENT (NOT

(SUPPLIED). FOLLOW MANUFACTURER'S INSTRUCTIONS.

2. POSITION REAR FLOOR BRACKETS ON FLOOR AT LEAST .75"

FROM BACK WALL. MARK LOCATION AND DRILL HOLES (FIG. 1) TO

A MINIMUM DEPTH OF 4.12" INTO THE CONCRETE.

3.

INSTALL REAR CABINET BASE BRACKET (FIG. 2) TO EXISTING

HOLES ON UNDERSIDE OF UNIT WITH TABS FACING BACK WALL.

USE SUPPLIED HARDWARE AND TORQUE TO 365 LB-INCH (41.2 Nm).

NOTE, LOOSEN LEVELING BOLT LOCKING NUT AND TIGHTEN AFTER

BRACKET IS SECURED.

4. INSTALL FRONT CABINET BASE BRACKET (FIG. 3) TO EXISTING

HOLES

ON

UNDERSIDE

OF

UNIT WITH BENT FLANGE FACING FRONT.

USE SUPPLIED HARDWARE AND TORQUE TO 365 LB-INCH (41.2 Nm).

NOTE, LOOSEN LEVELING BOLT LOCKING NUT AND TIGHTEN AFTER

BRACKET IS SECURED.

SYSTEM SEISMIC ANCHORING, FIGURE 1

TOP VIEW

(335 M

M

)

(335 M

M

)

13

.2

"

13

.2

"

5.

75

"

(107

M

M

)

4.

2"

(146 M

M

)

FRONT

(462 M

M

)

18

.2

"

(107

M

M

)

4.

2"

FRONT FLOOR

BRACKET

SIDE WALL

SEE NOTE (7)

FOR SPACING

BACK WALL

REAR FLOOR

BRACKET

SEE NOTE (2)

FOR SPACING

32.

75

"

(8

32 M

M

)

FLOOR ANCHOR

HARDWARE

(NOT SUPPLIED)

FIGURE 2

PS211405

Rev. 0

FLOOR LINE

REAR CABINET

BASE BRACKET

FRONT CABINET

BASE BRACKET

FLOOR LINE

NOT SUPPLIED

REAR FLOOR

BRACKET

BRACKET

FRONT FLOOR

FIGURE 3

SUPPLIED

FLOOR ANCHOR

HARDWARE

HARDWARE

APPROX 1/2"

BACK

WALL

FRONT DOOR

OF CABINET

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