No.4 Business Building-2707, China Central Place
Email:[email protected]
9
Chaoyang District, Beijing-100021, China
北 京 大 林 绿 源 环 保 科 技 有 限 公 司
BEIJING DAELIM GREEN EP TECH CO., LTD.
Low Voltage Connection
Spade Terminals ranging from two holes to twenty holes are normally provided for low voltage connection to
padmount transformers.
5. Accessories
5.1 Pressure Relief Valve
AutomaticPressurereliefvalve(Fig.3)isstandardonallDaelimtransformersandisintendedtoslowly
releasepressuretopreventruptureofthetransformertank. Thesevalvesarefactoryadjustedtoventat5±2
PSI Normal operation and atmospheric temperature fluctuations cause the oil and components in the tank to
naturallyexpandand contractcausingthegasfilledheadspaceinsidethetankto fluctuateinpressure.
CAUTION:
Before performing any kind of service, which
may include but is not limited to: opening the tank or
inspection cover, removal of fuses, removal of bushings,
openingdrainorfillvalves,oranyothersimilaroperation,
the pressure inside the tank must be safely vented
manually.
CAUTION:
Do not open the transformer in the presence
of rain, fog, snow, or if there is condensation on the
exterior components of the unit or when the outside air
temperature is higher than the temperature of the unit.
Evensmallamountsofmoisturethatareallowedtoenter
the transformer tank can decrease the dielectric strength
oftheinsulatingfluidandcompromisetheintegrityofthe
unit.
Tomanuallyventthetank,pulltheringsuppliedonthevalve(asshownintheFig.3)untilallpressureor
vacuum is relieved.
Fig. 3
