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[email protected]System-40-BAC BTU Meter Manual 03/15 - 1045-2 Page 5
SECTION 1.0: INTRODUCTION
1.1 PURPOSE OF THIS GUIDE
The purpose of this guide is to provide installation and commissioning procedures, and basic
operating and servicing instructions for the ONICON SYSTEM-40 BTU Meter.
1.3 STANDARD FEATURES AND SPECIFICATIONS
• Single mode Btu calculations, in either the heating or cooling mode, are totalized,
and displayed.
• Two-pipe dual mode Btu calculations in both the heating mode and the cooling modes,
are totalized and displayed.
WARNING
Only qualied service personnel should attempt to install or service this product. Serious injury
may result from the improper Installation or use of this product.
1.2 TYPICAL SYSTEM-40 BTU METER
ONICON’S System-40 is a true heat (Btu) computer, which accepts data from several sensors,
performs a series of computations with that data, and displays and/or transmits the results as an
indication of the amount of heat (Btu’s) being transferred per unit time or as a totalized amount.
CONTROL SYSTEM
BACnet
®
MS/TP OUTPUT
24 AC/DC POWER
FAN COIL UNIT
OR
AIR HANDLING UNIT
CHILLED WATER
RETURN
CHILLED WATER
SUPPLY
RETURN TEMP
WATER METER
GAS METER
ELECTRIC METER
ETC
UP TO THREE
PULSE INPUTS
OUTPUT / POWER
SYSTEM-40
BTU METER
Made in USA
KBTU/HR
385
KBTU
Integral mount shown
Bracket provided for remote mount within 5 ft.
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