ONICON System-30 MODBUS BTU - Manual (Page 5)

11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
System-30 BTU Measurement System MODBUS RTU RS485 04/14 - 0583-1 / 18345
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-30 BTU MEASUREMENT
SYSTEM.
1.2 TYPICAL SYSTEM-30 BTU MEASUREMENT SYSTEM
ONICON’S System-30 is a true heat (Btu) computer, which accepts data from several sensors,
performs a series of computations with that data, and transmits the results as an indication of the
amount of heat (Btu’s) being transferred or as a totalized amount.
WARNING
Only qualified service personnel should attempt to install or service this equipment. Serious
injury may result from the improper installation or use of this equipment.
!
SYSTEM-30 BTU MEASUREMENT SYSTEM WITH INTEGRAL
FLOW METER & TEMPERATURE SENSORS
0333-2
INCORPORATED
ISOLATION VALVE
Normally Open
ISOLATION VALVE
Normally Open
BYPASS VALVE
Normally Closed
20" 5" CHILLED WATER
SUPPLY
Y Strainer Upstream
Of Flow Meter
CHILLED WATER
RETURN
CONTROL SYSTEM
BACnet MS/TP
NETWORK
24 VAC POWER
FAN COIL UNIT
OR
AIR HANDLING UNIT
1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699
www.onicon.com • [email protected]
01-13-09
RETURN TEMP
FLOW
DIAGNOSTIC
LED’S
CONTROL SYSTEM
MODBUS RTU
NETWORK
24V AC/DC