lift-master 65 5207 用户手册
SLOW SPEED DOOR
MODIFICATION
6
65
55
52
20
077
A
AN
ND
D
6
65
55
52
20
07711
BELT DRIVE OPERATORS - 655207
APPLICATION
This modification is available for Model T and SD standard door operators with 24V control circuits (M) and logic control board (L).
Must be factory installed.
Must be factory installed.
FUNCTIONS
Required on belt drive trolley or slide door operators to slow the door speed down from 1 ft./sec. to about .6 ft./sec. Necessary on
one-piece doors. A third sprocket/chain reduction is provided in the powerhead.
one-piece doors. A third sprocket/chain reduction is provided in the powerhead.
GEAR REDUCED OPERATORS - 6552071
APPLICATION
This modification is available for Model GT and GSD standard door operators with 24V control circuits (M) and logic control board (L).
FUNCTIONS
Required on gear reduced trolley or slide door operators to slow the door speed down from 1 ft./sec. to .6 ft./sec. Necessary on
one-piece doors. The speed reduction is achieved within secondary reduction of the operator. The operator powerhead is mounted in
the normal manner.
one-piece doors. The speed reduction is achieved within secondary reduction of the operator. The operator powerhead is mounted in
the normal manner.
NOTE: The slower door speed allows a proportional increase in door size for the same horsepower model. With this modification a
1/2 HP will operate the same size door as a 3/4 HP will at normal speed.
1/2 HP will operate the same size door as a 3/4 HP will at normal speed.
© 2005, The Chamberlain Group, Inc.
01-13404B
All Rights Reserved
Printed in Mexico