Chief Manufacturing Electric Ceiling Lift SL-236 - Manual (Page 19)

Instruction Manual SMART-LIFT 236 Electric Ceiling Lifts
1 8
SMART LIFT INTERIOR BOARD BOX
TERMINAL FUNCTION DEFINITIONS
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 GROUND Ground
4 12 VOLT DC 12 volt DC
This is an internal power supply for
powering external devices &/or used for
initiating specific functions
(Extend/Retract 5 or Voltage Sensor 7).
5
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.
Function operates on momentary switch
only.
Operating range is 5 – 30 Volts AC or DC.
6
EXTEND/
RETRACT
COMMON
Used in conjunction with
Extend/Retract when using an
external power source to initiate
movement.
To Operate using Internal Power
Source
Connect terminals 3 & 6 with
Jumper Wire. Connect
Momentary Switch to terminal 4.
Connect other line of Momentary
Switch to terminal 5.
To Operate using External Power
Source
Connect External Power Supply’s
Common to terminal 6. Connect
initiating signal to terminal 5. NOT TO BE USED AS GROUND FOR
FUNCTION OTHER THAN
EXTEND/RETRACT TERMINAL 5.
7
VOLTAGE
SENSOR
When terminal senses voltage, unit
will extend.
When terminal senses cessation of
voltage, unit will retract.
Operating range is 5 – 30 Volts AC or DC.
8
VOLTAGE
SENSOR
COMMON
Used in conjunction with Voltage
Sensor when using an external
power source to initiate movement.
Voltage Sensing
Connect positive lead to terminal
7. Connect Ground of switching
device to terminal 8.
Single-Pull/Throw Latching
Switch
Connect terminals 3 & 8 with
Jumper Wire. Connect first
Switch Terminal to terminal 4.
Connect other Switch Terminal to
terminal 7.
NOT TO BE USED AS GROUND FOR
FUNCTION OTHER THAN VOLTAGE
SENSOR TERMINAL 7.
9
SERVICE
EXTEND
Extends unit to maximum limit,
bypassing normal-use travel setting.
Often used for servicing projectors
in ceiling lifts.
Momentary or Latching contact 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.
10 GROUND Ground