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PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998unit to maintain a constant output voltage with a varying input voltage. A longer conduction periodincreas

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998supply this transformer mounted in a matching cabinet, if desired, or can supply a standardtransformer of

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998not been exceeded. If this is not being done, one would be advised to contact experts in that fieldto aid

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/98The site selected for the UPS should be chosen with care since the type and amount of sitepreparation requir

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998The Inverter and Rectifier/ChargerThis equipment is designed to set on any floor which is adequate to hand

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Moving EquipmentAt the unloading area, a forklift may be neede3d to remove the equipment from the truck. T

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998location which is subject to the same temperature variations as allowed for the Inverter andRectifier/Char

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998All SCI UPS Systems are designed to operate from virtually any commercially available batterybank which ex

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998As previously discussed, sealed batteries are those which, due to special construction, do notnormally ven

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Since battery operation results from a chemical reaction, temperature plays a significant role inperforman

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/98Solidstate Controls, Inc., is pleased to furnish this Planning and Installation Guide to informyou about the

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/19982. VentilationAll stationary batteries produce hydrogen gas while they are being charged. Gassing does not

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998All UPS Systems which are not plug-in compatible, should be able to be installed by a qualifiedelectrician

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998SOLIDSTATE CONTROLS, INC. is dedicated to providing the most reliable Uninterruptible PowerSystems availab

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Although it is common for UPS larger than 10 KVA to be specified with three phase output,industrial distri

SOLIDSTATE CONTROLS, INC.

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Good data on power consumption is often hard to get for small loads such as personal computers.Most equipm

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Notice that the wattage is not known nor is the power factor. Since in the U.S., 120 VAC is thenominal val

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Three phase loads can be difficult to size, especially if there is a mixture of both single and threephase

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998The first step in sizing the UPS is to perform a thorough Load Study. When performing the LoadStudy, it is

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998A single phase UPS with a 120 V output can supply only a 120 V load. However, a three phaseUPS with a 208Y

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998Selecting from our standard sizes, we find that we must supply a three phase, 40 kVA UPS whichhas a 111 am

PROPERTY OF SOLIDSTATE CONTROLS, INC. 7/1998If it is not possible to measure the actual current, it may be necessary to use one of thefollowing:2. Obt