Delta Modulon DPH series User Manual page 12

Before applying electrical power to the UPS, you must allow the UPS to adjust to room
temperature (20°C~25°C) for at least one hour to avoid moisture condensing inside the
UPS.
Do not put beverages on the UPS, external battery cabinet(s) or any other accessory
associated with the UPS.
Do not open or remove the covers or panels of the UPS to avoid high voltage electric
shock. Only authorized Delta engineers or service personnel can do so for installation
or maintenance. If you want to open or remove the covers or panels, do it only under
the supervision of authorized Delta engineers or service personnel.
It is strictly forbidden to connect the UPS to any regenerative loads.
The risk of dangerous high voltage is possible when batteries are still connected to the
UPS even though the UPS is disconnected from the power sources. Before mainte-
battery power from the UPS.
Do not open or damage the battery or batteries. The released electrolyte is harmful to
the skin and eyes and may be toxic.
The UPS is electronic equipment that runs 24 hours continuously. To ensure its normal
lifetime, regular maintenance of the UPS and batteries is of vital importance and neces-
sary.
Some components like batteries, power capacitors, and fans will become worn-out due
to long-term usage, and this will increase the risk of UPS failure. To replace and main-
tain the components, please contact Delta service personnel.
A battery can present a risk of electric shock and high short-circuit current. The follow-
ing precautions should be observed before replacement of batteries:
1. Remove watches, rings, or other metal objects.
2. Use tools with insulated handles.
3. Wear insulating gloves and boots.
4. Do not lay tools or metal parts on the top of batteries.
5. Disconnect the charging source prior to connecting or disconnecting the batteries'
terminals.
You must contact Delta customer service if either of the following events occurs:
1. Liquid is poured or splashed on the UPS.
2. The UPS is deformed.
Modulon DPH Series
1-4