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OPENING TIMES – LOW ENERGY POWER OPEN DOOR
0º
Minimum opening time from
Backcheck to full-open is 1 - 2
seconds, depending on degree of
backcheck (refer to Table
II
)
90º
70º
1 second to full open
1.5 seconds to full open
2 seconds to full open
Back-check at 80 degrees
Back-check at 70 degrees
Back-check at 60 degrees
Time From Backcheck (Open check) to Full-Open Position (TABLE
II
)
70º BACKCHECK position to Full-Open = 1.5 sec
.
Summary of Contents for D-4990
Page 1: ...Precision D 4990 Low Energy Door Operator Product Overview...
Page 6: ...DOOR FORCE GAUGE...
Page 7: ...DOOR FORCE GAUGE...
Page 26: ...PRIMARY APPLICATIONS...
Page 27: ...MINIMUM INSTALLATION REQUIREMENTS...
Page 34: ...CONTROLLER PLUG IN CONNECTORS D 4990 CONTROLLER...
Page 48: ...Adjustment Valves Adjustment Valves...
Page 49: ...SAMPLE ACTIVATION DEVICES...
Page 65: ......