Daikin WGZ030DW, Installation, Operation And Maintenance Manual, Page: 30 / 80

IOM 1322-1 • WATER-COOLED SCROLL COMPRESSOR 30 www.DaikinApplied.com
Unit Controller
Inputs/Outputs
The unit controller is also used for TGZ Templifier (R-134a) in HEAT mode, see IOM 1319 on www.DaikinApplied.com for further
information. Controller menu information related to HEAT mode or R-134a do no apply to WGZ-D packaged units.
Table 21: Analog Inputs
C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, UT = Unit, *n = Refrig. Dependent
NOTE: 1. If Water Cooled = Y, then Entering Condenser. If Water Cooled = N, then Outside Ambient.
NOTE: 2. Selection of R134a in unit set point screen will modify unit operation for Templifier application.
Table 22: Analog Outputs
# Description Output Signal Range
1 Cooling Tower Bypass Valve Position 0 to 10 VDC 0 to 100% Open
2 Cooling Tower VFD Speed 0 to 10 VDC 0 to 100%
3 Circuit #1 Electronic Expansion Valve 0 to 10 VDC 0 to 100%
4 Circuit #2 Electronic Expansion Valve 0 to 10 VDC 0 to 100%
NOTE: Analog outputs 3 & 4 are for R410A and R134a units
only.
Unit Controller