User Manual for Lead Acid Interactive UPS
04/22v.1
Page 5
VD-Series (5000VA-10kVA)
Chatsworth Products (CPI)
• Use of this equipment in life support applications where failure of this equipment can reasonably
be expected to cause the failure of the life support equipment or to significantly affect its safety
or effective-ness is not recommended. Do not use this equipment in the presence of a
flammable anesthetic mixture with air, oxygen or nitrous oxide.
• Connect your UPS power module’s grounding terminal to a grounding electrode conductor.
• The UPS is connected to a DC energy source (battery). The output terminals may be live when
the UPS is not connected to an AC supply.
• Warning labels should be placed on all primary power switches installed in places away from the
device to alert the electrical maintenance personnel of the presence of a UPS in the circuit. The
label will bear the following or an equivalent text:
Before working on this circuit
Isolate Uninterruptible Power Supply (UPS)
Then check for Hazardous Voltage between
all terminals including the protected ground
Risk of Voltage Backfeed
1.5 Maintenance
• Do not try to repair the unit yourself, contact your local supplier or your warranty will be void.
• The following PRECAUTIONS should be observed:
o Remove watches, rings, or other metal objects.
o Use tools with insulated handles.
o Wear rubber gloves and boots.
o Do not lay tools or metal parts on top of batteries or battery cabinets.
o Disconnect the charging source prior to connecting or disconnecting terminal.
o Check to see if the battery is inadvertently grounded. If it is, remove the source of
grounding. Contacting with any part of the ground might result in electrical shock. The
likelihood of such shock can be prevented if such grounds are removed during installation
and maintenance.
• UPS is designed to supply power even when disconnected from the utility power. After
disconnect the utility and DC power, authorized service personnel should attempt internal
access to the UPS.
• Do not disconnect the batteries while the UPS is in Battery mode.
• Disconnect the charging source prior to connecting or disconnecting terminals.
• Batteries can result in a risk of electrical shock or burn from high short circuit current.
• When replacing batteries, use the same number of sealed, lead-acid batteries.
• Do not open or mutilate the battery. Released electrolytes are harmful to the skin and eyes,
and may be toxic.
• The battery will discharge naturally if the system is unused for a period of time and should
be recharged every 2-3 months if unused. During normal operation the batteries will be charged.
• Servicing of batteries should be performed or supervised by trained personnel with knowledge
of batteries and the required precautions.
• When replacing batteries, it is necessary to replace ALL batteries with the same quantity,
type & capacity.