QUANTECH
FORM QWC3-EG1 (217)
10
The standard controls shall include: brine chilling, automatic pumpdown, run signal con-
tacts, demand load limit form external building automation system input, remote reset
liquid temperature reset input, unit alarm contacts, chilled liquid pump control, automatic
reset after power failure, and automatic system optimization to match operating condi-
tions. A non-reversing heat pump function (leaving condenser temperature control) is also
standard.
The operating program software shall be stored in nonvolatile memory (EPROM) to elimi-
nate chiller failure due to AC power failure. Programmed setpoints are retained in lithium
battery-backed regulated time clock (RTC) memory for 5 years minimum.
COMMUNICATIONS
• Native communication capability for BACnet (MS/TP) and Modbus
• Optional communciation available for N2 and LON via eLink option
Microprocessor Controls (Cont'd)
Содержание QWC3
Страница 1: ...MODEL QWC3 WATER COOLED SCROLL LIQUID CHILLER 50 200 TONS 60Hz R 410a FORM QWC3 EG1 217 ...
Страница 4: ...QUANTECH FORM QWC3 EG1 217 4 THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 39: ...FORM QWC3 EG1 217 QUANTECH 39 Unit Dimensions Four Compressor Cont d ...
Страница 41: ...FORM QWC3 EG1 217 QUANTECH 41 Unit Dimensions Five Six Compressor Cont d ...
Страница 56: ...QUANTECH FORM QWC3 EG1 217 56 Typical Control Panel Wiring 4 COMPRESSOR UNITS LD21794a ...
Страница 57: ...FORM QWC3 EG1 217 QUANTECH 57 Typical Control Panel Wiring Cont d 4 COMPRESSOR UNITS LD21794b ...
Страница 69: ...FORM QWC3 EG1 217 QUANTECH 69 NOTES ...