Chamberlain HJ Owner's Manual page 14

TYPE STATION
B2 3 Button
Function: Momentary contact to open, close and stop, plus wiring for
sensing device to reverse and auxiliary devices to open and close with
open override.
C2 3 Button
Function: Momentary contact to open and stop with constant pressure to
close, open override plus wiring for sensing device to reverse.
D1 2 Button
Function: Constant pressure to open and close with wiring for sensing
device to stop.
E2 2 Button
Function: Momentary contact to open with override and constant
pressure to close. Release of close button will cause door to reverse
(roll-back feature) plus wiring for sensing device to reverse.
T* 3 Button
Function: Momentary contact to open, close and stop, with open
override and timer to close. Open button can be connected to activate
timer if desired. Auxiliary controls can be connected to open and activate
timer to close or to open and close without activating timer. If timer has
been activated, reinitiation of the timer to close circuit will recycle the
timer. Includes wiring for sensing devices to reverse which will NOT
activate time.
TS* 3 Button
Function: Momentary contact to open, close and stop with open override
and timer to close. EVERY device that causes door to open will activate
timer to close including sensing device to reverse. Timer may be
deactivated until next opening signal is received by depressing stop
button after door has reached open position or permanently by use of
optional timer defeat switch. If timer has been activated, reinitiation of
open circuit will recycle the timer.
NOTE:
1. External interlocks may be used with all wiring types.
2. Auxiliary devices are any devices that have only one set of contacts. Examples are: photocell, loop detector,
pneumatic or electrical treadles, residential radio controls, one button stations, pull cords, etc.
3. Open override means that the door may be reversed while closing by activating an opening device without the
need to use the stop button first.
WIRING KITS
14
B2, C2, C2,
D1, E2, T D1, E2
B2
B2, T,
TS
TS
B2, C2, C2,
D1, E2, T D1, E2
C2
B2, T,
TS
TS
B2, C2, C2,
D1, E2, T D1, E2
D1
B2, T,
TS
TS
B2, C2, C2,
D1, E2, T D1, E2
E2
B2, T,
TS
TS
B2, C2, C2,
D1, E2, T D1, E2
T
B2, T,
TS
TS
B2, C2, C2,
D1, E2, T D1, E2
TS
B2, T,
TS
TS
D1
B2, C2, E2
T, TS
D1
B2, C2, E2
T, TS
D1
B2, C2, E2
T, TS
D1
B2, C2, E2
T, TS
D1
B2, C2, E2
T, TS
D1
B2, C2, E2
T, TS