Installation
24 VAC Output Power Connections
To connect to the 24VAC outputs:
1.Install electrical wiring from device requiring 24VAC power to the Transformer Module.
2.Use copper wire only; proper wiring to use for power is 18, 20 or 22 AWG copper wire. Strip wire 1/4".
3.There are two 24 VAC output connectors (TB1 and TB2). Terminate wires to the connector as shown in Figures 6 and 7. TB1 and TB2 are NOT polarity sensitive.
4.Secure the wires to the connector.
Figure 6 Power wiring to TM115 | Figure 7 Power wiring to TM230 |
TM115 | TM230 |
Wire nuts connecting electrical wiring
Knockout for | Knockout for |
external wiring | external wiring |
Ground | Ground |
Neutral | Line (L1) |
(L2) |
|
24VAC output | 24VAC output |
(TB1) | (TB1) |
Troubleshooting - Transformer Module
A common problem and possible solution are shown in the table below. For further information or if you have other problems with the unit, consult your local dealer, Liebert representative or the Liebert Worldwide Support Group.
| Problem | Possible Solution | Replacement Fuse Part Numbers |
|
| 24VAC power | Check fuse for respective | • LITTLEFUSE 218002 |
|
| not available | or |
| |
| output (TB1 or TB2). |
| ||
| from TB1 or TB2 | • BUSSMANN |
| |
|
|
| ||
2.4.2 Connecting the Battery Pack | Battery pack | |||
Before connecting input power to the AC8, connect the panel’s backup battery
NOTE
If the battery is not hooked up BEFORE the
AC8 is switched on, it will trigger an alarm.
To connect the battery pack, insert the battery leads into the jumpers as shown at right.
(To disconnect the battery pack, remove the battery leads from the jumpers.)
Obtaining a Replacement Battery Pack
To obtain a replacement battery pack, contact your local dealer or Liebert representative. The Liebert part number is 133455P1.
! WARNING
Battery pack connector
To prevent the risk of fire or explosion, replace only with 7.2 V rechargeable NiCad battery pack.
! CAUTION
Dispose of the battery properly by sending it back to Liebert Corporation or an approved battery recycling facility.
2.4.3Turning On the AC8
After connecting the backup battery, turn on the power On/Off switches to the AC8 and the Trans- former Module (see 1.7 - Controller Board Overview for location of switches).
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