Service Manual

GSM-204-423
Connecting 230 V 3-phase (star) ac power cables
31st Oct 01
Inst. 3–26
Installation & Configuration: Horizon
macro
outdoor
CONTROLLED INTRODUCTION
68P02902W03-A
Connecting 230 V 3-phase (star) ac power cables
Configuring the
number 1 ac
distribution box
WARNING Ensure that the mains input isolator is set to position O
(off) and source is isolated before proceeding.
On delivery the Horizon
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outdoor BTS cabinet is configured for a 230 V ac
single phase power supply.
If connecting to a three phase and neutral (star) 230 V ac supply, remove the
230 V single phase link fitted to terminals B2, C2 and D2 on the four pole MCB
before proceeding further.
Connecting
230 V ac
3-phase (star)
mains input
cables
To connect the earth, 3-phase (star), and neutral power cables to the number 1
ac distribution box:
1. Connect the mains input earth cable (green/yellow) to terminal 1 of the
earth terminal block in the number 1 ac distribution box, and check the
connection of the cabinet earth cable to terminal 2. Secure both cables.
2. Secure the screen at the cabinet entry gland.
3. Connect the neutral cable (black), to terminal A2 of the four pole MCB in
the number 1 ac distribution box, and secure.
4. Connect the phase 1 cable (red), to terminal D2 of the four pole MCB in
the number 1 ac distribution box, and secure.
5. Connect the phase 2 cable (yellow), to terminal C2 of the four pole MCB in
the number 1 ac distribution box, and secure.
6. Connect the phase 3 cable (blue), to terminal B2 of the four pole MCB in
the number 1 ac distribution box, and secure.
7. Refit the previously retained cover of the number 1 ac distribution box.