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Instruction Manual SMART-LIFT 236 Electric Ceiling Lifts
20
SMART LIFT EXTERIOR 14 PIN
TERMINAL FUNCTION DEFINITION
TERMINAL
NUMBER
FUNCTION
DESCRIPTION WIRING OPTIONS NOTES
1
24 VOLT AC 24 volt AC output
2
24 VOLT AC
COMMON
24 volt AC common
This is an internal power supply for
powering external devices & Remote
Controllers.
Chief Mfg. offers the RC-10 Radio
Frequency Remote Controller which runs
off of this power supply.
3
RETRACT
Retracts unit to preset travel limit.
Travel limits may be adjusted by
customer within a preset maximum
range.
If using Latching Switch, be sure to
disengage Switch prior to initiating any
other function.
4
EXTEND
Extends unit to preset travel limit.
Customer within a preset maximum
range may adjust travel limits.
Momentary or Latching contact to
Ground terminals 9, or 11.
If using Latching Switch, be sure to
disengage Switch prior to initiating any
other function.
5
EXTEND/
RETRACT
COMMON
Used in conjunction with
Extend/Retract when using an
external power source to initiate
movement.
NOT TO BE USED AS GROUND FOR
FUNCTION OTHER THAN
EXTEND/RETRACT TERMINAL 5.
6
EXTEND/
RETRACT
Initiates movement if lift is static, or
stops movement if lift is in motion.
Direction of travel will be opposite
of last direction of travel.
To Operate using Internal Power
Source
Connect terminals 9 & 5 with
Jumper Wire. Connect
Momentary Switch to terminal
10. Connect other line of
Momentary Switch to terminal 6.
To Operate using External Power
Source
Connect External Power Supply’s
Common to terminal 5. Connect
initiating signal to terminal 6.
Function operates on momentary switch
only.
Operating range is 5 – 30 Volts AC or DC.
7
RETRACT
ERROR
Immediately reverses direction of
travel when triggered while unit is
retracting.
8
EXTEND
ERROR
Immediately reverses direction of
travel when triggered while unit is
extending.
Momentary contact to Ground
terminals 9, or 11.
Chief Mfg. offers the SS-10 Pressure
Sensitive Safety Strip to provide this
function.
Please specify how many inches required
to span entire pinch zone.
The SS-10 must be ordered with the ST-15
Terminals.
9
GROUND Ground
10
12 VOLT DC 12 volt DC
This is an internal power supply for
powering external devices &/or used for
initiating specific functions
(
Extend/Retract 6).
11
Service Extend
Extends unit to maximum limit,
bypassing normal-use travel setting
Often used for servicing projectors
in ceiling lifts.
Momentary or Latching contacts
to Ground terminals 3, 10, 13, or
20
Feature not available on all models.
If using Latching Switch, be sure to
disengage Switch prior to initiating any
other function