Daikin WGZ030DW Installation, Operation And Maintenance Manual page 32

Water-cooled scroll compressor chillers
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#
7
Liquid Line #1
8
Tower Fan #1-Water Cooled=Y
9
Motor Control Relay #2 = Compr#2
10
Motor Control Relay #4 = Compr#4
*11
Motor Control Relay #6 = Compr#6 (R134a,R410A)
12
Liquid Line #2
14
Hot Gas Bypass #1
15
Hot Gas Bypass #2
Expansion I/O Controller
Digital Outputs
The following parameters are digital outputs from this controller.
Types: C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, UT = Unit
#
Description
1
Evap Water Pump Output #2
2
Cond Water Pump Output #2
3
Condenser Fan #9
4
Condenser Fan #10
Analog Inputs
The following parameters are digital outputs from this controller for Templifier operation only.
Types: C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, & UT = Unit
#
Description
1
Entering Evaporator Water Temperature
(R134a)
2
Demand Limit (R134a)
3
Liquid Line Temperature #1 (R134a)
4
Liquid Line Temperature #2 (R134a)
IOM 1322-1 • WATER-COOLED SCROLL COMPRESSOR
Description
Type
UT
UT
C1
C2
Type
UT
UT
C1
C2
Type
Load
C1
Solenoid
C2/
Fan Contactor
UT
C2
Starter
Compressor OFF
C2
Starter
Compressor OFF
C2
Starter
Compressor OFF
C2
Solenoid
C1
Solenoid
C2
Solenoid
Output Off
Pump Off
Pump Off
Fan OFF
Fan OFF
Output Off
NTC Thermister
(10k@25°C)
4-20 mA Current
NTC Thermister
(10k@25°C)
NTC Thermister
(10k@25°C)
32
Unit Controller
Output OFF
Output ON
Cooling OFF
Cooling ON
Fan OFF
Fan ON
Compressor ON
Compressor ON
Compressor ON
Cooling OFF
Cooling ON
Cooling OFF
Cooling ON
Cooling OFF
Cooling ON
Output On
Pump On
Pump On
Fan ON
Fan ON
Output On
-58 to 212°F
0-100 % Load
-58 to 212°F
-58 to 212°F
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