OPTI-UPS MD120L - Manual (Page 7)

Chapter 1 Installation
4
Chapter 1 Installation
This chapter introduces the installation of MD series UPS (hereby referred to as UPS), including
initial checking, sitting, positioning, cabling and installation drawings.
1.1 Introduction
This chapter introduces the relevant requirements for positioning and cabling of the UPS.
As each site has its requirements, this chapter provides step-by-step installation instructions, which
acts as a guide to the general procedures and practices that should be observed by the installing
engineer.
警告 危 险 Warning-Installation can only be done by authorized engineers
1. Do not apply electrical power to the UPS equipment before the approval of commissioning
engineer.
2. The UPS should be installed by a qualified engineer in accordance with the information contained
in this chapter.
警告 危 险
Note: 3-Phase 4-Wire Input Power is required
The standard UPS can be connected to TN, TT and IT AC distribution system (IEC60364-3) of
3-phase 5-wire
警告 危 险
WARNING: battery hazards
SPECIAL CARE SHOULD BE TAKEN WHEN WORKING WITH THE BATTERIES ASSOCIATED
WITH THIS EQUIPMENT. When connecting the battery, the battery terminal voltage will exceed
400Vdc and is potentially lethal.

Eye protection should be worn to prevent injury from accidental electrical arcs.
 Remove rings, watches and all metal objects.
 Only use tools with insulated handles.
 Wear rubber gloves.
 If a battery leaks electrolyte, or is otherwise physically damaged, it must be replaced, stored in a
container resistant to sulfuric acid and disposed of in accordance with local regulations.

If electrolyte comes into contact with the skin, the affected area should be washed immediately
with water.
1.2 Initial Checking
Perform the following checking operations prior to the UPS installation.
1. Visually examine if there is any damage inside and outside the UPS rack and battery equipment
due to the transportation. Report any such damage to the shipper immediately.
2. Verify the product label and confirm the correctness of the equipment. The equipment label is
attached on the back of front door. The UPS model, capacity and main parameters are marked on
the label.