Emerson Liebert Remote Monitoring Panel Manuel d'utilisateur Page 22

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Installation - Main Board
Liebert
®
Universal Monitor
14
2.4.2 Termination and Mounting - Large Enclosure
Input Power Connections
To connect electrical power to the Transformer Module:
1. Install electrical wiring from utility power to the Transformer Module.
2. Use copper wires only; proper wiring to use for power is 14/2 AWG copper wire with ground.
3. For the TM230 only: strip wires 3/8" (9.6mm).
Note: For the TM115, wires are pre-stripped 0.4" (10.2mm) at the factory.
4. Connect the wiring as follows:
5. Secure the incoming electrical service wires to the TM115 input wires with wire nuts as shown in
Figure 7 or to the TM230 connectors as shown in Figure 8.
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 7 and 8. TB1 and TB2 are NOT polarity sensitive.
4. Secure the wires to the connector.
!
CAUTION
The 115VAC/230VAC Transformer Module must be connected to a branch circuit with 15A
branch circuit protection.
This equipment is intended to be installed by a qualified and certified electrician who must
review and approve customer supplied wiring and circuit breakers, verify correct input and
grounded connections to ensure compliance with the technical standards and national and
local electrical codes.
The Transformer Module shall be used only as indicated by the manufacturer.
!
WARNING
Be sure that the Power On/Off switch is set to OFF before installing any wiring to this unit.
The switch is at the bottom of the unit.
TM115 TM230 Connection Type
White wire Neutral (L2) Neutral
Black wire Line (L1) Power (Line)
Green wire Ground lead Ground
Figure 7 Power wiring to TM115 Figure 8 Power wiring to TM230
Wire nuts
connecting
electrical
wiring
24VAC output
(TB1)
Ground
Knockout for
external wiring
TM115
Neutral
(L2)
24VAC output
(TB1)
Ground
Knockout for
external wiring
TM230
Line (L1)
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