Connect to External Power
CAUTION: Ensure that external power source is NOT powered and that the On/Off switch on the power supply module is set to “0” when connecting to the external power source. Failure to observe this caution could result in damage to, and subsequent failure of, the power supply module.
48-VDC power supply
•This product is intended to be used in a restricted access location. Proper earthing (grounding) is required to ensure safe operation and to comply with customer installation requirements and local electrical codes. Prior to installation, use a voltmeter/ohmmeter to check the wiring for the presence of earth ground.
•A readily accessible disconnect device as part of the building installation shall be incorporated into the fixed wiring. The disconnect device (a 48 VDC, 15 or 20A circuit breaker or switch) must be included in the ungrounded supply conductor. Overcurrent protection must be a 48 VDC, 15 or 20A fuse or circuit breaker.
24-VDC Power Supply
•This product is intended to be used in a restricted access location. Proper earthing (grounding) is required to ensure safe operation and to comply with customer installation requirements and local electrical codes. Prior to installation, use a voltmeter/ohmmeter to check the wiring for the presence of earth ground.
•A readily accessible disconnect device as part of the building installation shall be incorporated into the fixed wiring. The disconnect device (a 24 VDC, 15 or 20A circuit breaker or switch) must be included in the ungrounded supply conductor. Overcurrent protection must be a 24 VDC, 15 or 20A fuse or circuit breaker.
Connect to External Power -- Continued
To power the
1.Set the On/Off switch on the power supply module to “0”.
2.Verify that the external power source is NOT powered.
3.Connect the positive (+) terminal to the external power connector marked “+”. Turn the terminal screw clockwise to secure.
4.Connect the negative
5.Connect the ground terminal to the external power connector marked “chassis ground”. Turn the terminal screw clockwise to secure.
6.Set the power supply module power switch to “I”.
7.Verify that the power supply module is powered by observing the illuminated power LED.
|
| On/Off | Panel Fastener Screw |
|
| Switch | Power LED |
0 |
| 0 | |
|
| ||
I |
| I |
|
| GND |
|
|
- | – | - |
|
+ | + | + |
|
| External Power Connectors | ||
|
| ||
4 | techsupport@transition.com | 5 |
