Mitsubishi 9800A Series Specifications download pdf (Page 19)

Forced air cooling shall be provided to allow all components to operate within their

rated temperature window. Thermal relays, using a latched contact which is capable

of being reset, shall be used as overload protection to all cooling fans. Each fan

shall employ a separate thermal relay. All air inlets use washable air filters that

shall be removable from the front of the UPS without exposure to any electrical

hazard. Air filters shall be door mounted to prevent floor dust from being sucked

into the unit. Bottom mount air filters shall not be accepted.

9.4. Printed Circuit Boards

All printed circuit boards shall be conformally coated against corrosive vapors and

to hermetically seal them.

9.5. Busbar

All busbar used for conductivity within the UPS shall be designed with

COPPER ONLY.

Aluminum not acceptable

9.6. Factory Test Report

All UPS units shall come equipped with one (1) factory test report included in the

UPS.

The factory test report shall include the following:

A. Series/kVA

B. Serial Number

C. Date of test

D. Approved by/Inspected by/Tested by

E. Inspection of construction

F. Checking of wiring (Black/Red marking on each connection point)

G. Grounding Continuity

H. Insulation strength test

I. Control Circuit Operation

J. Measurement of steady state characteristics (Voltage/ current/

efficiencies)

K. Transient characteristics (0-100% step load, without batteries/ voltage

fluctuation)

L. Overload Testing

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Mitsubishi 9800A Series Specifications Page 19