Grifco C21D-2 User Manual

5
IDENTIFYING YOUR CONTROLLER
The key switch modes are detailed below:
C21B/ C41B with basic On-O key isolator
C23B/C43B with “Lock-it-Well” On-O key
isolator
C21D-2/C41D-2 with Mul-Mode key isolator
(O-Auto-Auto/Man)
WARNING
The OFF posion on the key switch DOES NOT ISOLATE POWER. Power must be isolated at the source before accessing the control
enclosure, or working on any aspect of the door or opener.
OFF The C10A controller will not operate
from any source.
WARNING!! THIS IS NOT POWER
ISOLATION!!
ON Enables the use of the C10A front
panel buons, rear panel connecons
and all other inputs via EB1, radio or
toggle input
OFF The C10A controller will not operate
from any source.
WARNING!! THIS IS NOT POWER
ISOLATION!!
AUTO Isolates the C10A front panel UP and
DOWN buons to prevent tampering
(typical mode for car park
environments)
All other inputs remain acve
(EB1, radio or Toggle)
STP and the STOP buon are sll
acve.
OPN and CLS inputs connected to the
rear of the C10A are acve.
AUTO
/ MAN
Enables the use of the C10A front
panel buons, rear panel connecons
and all other inputs via EB1, radio or
toggle input

Grifco C21D-2 Specifications

General

Brand	Grifco
Model	C21D-2
Category	Controller
Language	English