Important Safety Notes; Site Preparations; Operator Preparation - Chamberlain H Owner's Manual

Logic control (ver. 2.0) industrial duty door operator
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CAUTION
CAUTION
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
DO NOT CONNECT ELECTRIC POWER UNTIL
INSTRUCTED TO DO SO.
It is imperative that the wall or mounting surface
provide adequate support for the operator.
This surface must:
a) Be rigid to prevent play between operator and
door shaft.
b) Provide a level base.
c) Permit the operator to be fastened securely and
with the drive shaft parallel to the door shaft.
The safety and wear of the operator will be adversely
affected if any of the above requirements are not met.
For metal buildings, fasten 2" x 2" x 3/16" (or larger)
angle iron frames to the building purlins. Retain
5-1/2" between frames. See Figure 1.
Both J and H series operators have dual output shafts and may be mounted on either the right (standard) or left
side of door, and in either a vertical (standard) or horizontal mounting position. If you need to move the drive
sprocket, loosen BOTH set screws, remove the sprocket and key, and place on the opposite side of the drive
shaft. Be sure to tighten BOTH set screws securely
Hand Chain Handing
For models H and HJ with manual hoist hand chain systems, the handing of the operator must be determined at
the time of order. The handing is indicated by last letter of the model name (R or L). The hand chain wheel can
not be switched on site. If your installation causes the hand chain to hang in the door opening, hook the chain
off to the side near the top of the door jamb.

IMPORTANT SAFETY NOTES

SITE PREPARATIONS

OPERATOR PREPARATION

Output Shaft
WARNING
KEEP DOOR BALANCED. STICKING OR BINDING
DOORS MUST BE REPAIRED. DOORS, DOOR
SPRINGS, CABLES, PULLEYS, BRACKETS AND
THEIR HARDWARE MAY BE UNDER EXTREME
TENSION AND CAN CAUSE SERIOUS PERSONAL
INJURY.
CALL
SERVICEMAN TO MOVE OR ADJUST DOOR
SPRINGS OR HARDWARE.
2-1/4"
5-1/2"
3
WARNING
A
PROFESSIONAL
DOOR
CAUTION
Shaft Support Bracket
with Bearing (Not Supplied)
Door Sprocket
FIGURE 1
(2) Set Screws
Key
Drive Sprocket
W

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