Daikin WGZ030DW Installation, Operation And Maintenance Manual page 31

Table 23: Digital Inputs
The following parameters are digital inputs to this controller.
C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, UT = Unit, *n = Refrigerant Dependent
#
1 Unit OFF Switch
2 Pump Down Switch #1
3 Evaporator Water Flow Switch
*4 Motor Protection #1
*4 Open
5 Open
6 Pump Down Switch #2
*7 Motor Protection #2
*7 Open
*8 Open
*8 Condenser Water Flow Switch
(R134a,R410A)
9 Phase Voltage Fault #1 (See Note 1 Below)
10 Phase Voltage Fault #2 (See Note 1 Below)
11 Ground Fault Prot. #1 (See Note 2 Below)
12 Ground Fault Prot. #2 (See Note 2 Below)
13 Remote Start/Stop
*14 Condenser Water Flow Switch
*14 Open
*15 Open
*15 Motor Protection #1 (R134a,R410A)
*16 Open
*16 Motor Protection #2 (R134a,R410A)
17 Ice Mode Switch
18 Heat Mode Switch
NOTE: 1. Units with single point electrical connection will have one PVM with Inputs 9 and 10 wired together. Units with multiple
point connection will have two PVM's with Input 9 for Electrical Circuit #1 and Input 10 for Electrical Circuit #2.
NOTE: 2. Units with single point electrical connection will have one GFP with Inputs 11 and 12 wired together. Units with multiple
point connection will have two GFP's with Input 11 for Electrical Circuit #1 and Input 12 for Electrical Circuit #2.
Table 24: Digital Outputs
The following parameters are digital outputs from this controller.
C1 = Refrigerant Circuit #1, C2 = Refrigerant Circuit #2, UT = Unit, *n = Refrigerant Dependent
# Description
1 Alarm
2 Evaporator Water Pump
3 Condenser Water Pump – Water Cooled = Y
4 Motor Control Relay #1 = Compr#1
5 Motor Control Relay #3 = Compr#3
*6 Tower Fan #2-Water Cooled=Y
*6 Motor Control Relay #5 = Compr#5
(R134a, R410A)
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Description
C1,C2,UT
C1
C1/UT
C1
Type Signal
UT 0 VAC (Stop)
C1 0 VAC (Stop)
UT 0 VAC (No Flow)
C1 0 VAC (Fault)
C2 0 VAC (Stop)
C2 0 VAC (Fault)
UT 0 VAC (No Flow)
C1 0 VAC (Fault)
C2 0 VAC (Fault)
C1 0 VAC (Fault)
C2 0 VAC (Fault)
UT 0 VAC (Stop)
UT 0 VAC (No Flow)
C1 0 VAC (Fault)
C2 0 VAC (Fault)
UT 0 VAC (Normal)
UT 0 VAC (Normal)
Type Load
Alarm Indicator
UT Pump Contactor
C1/UT Pump Contactor
C1 Starter
Starter
Fan Contactor
Starter
31 IOM 1322-1 • WATER-COOLED SCROLL COMPRESSOR
Unit Controller
Signal
24 VAC (Auto)
24 VAC (Start)
24 VAC (Flow)
24 VAC (No Fault)
24 VAC (Start)
24 VAC (No Fault)
24 VAC (Flow)
24 VAC (No Fault)
24 VAC (No Fault)
24 VAC (No Fault)
24 VAC (No Fault)
24 VAC (Start)
24 VAC (Flow)
24 VAC (No Fault)
24 VAC (No Fault)
24 VAC (Ice)
24 VAC (Heat)
Output OFF Output ON
Alarm OFF Alarm ON
Pump OFF Pump ON
Fan OFF Fan ON
Compressor OFF Compressor ON
Compressor OFF Compressor ON
Fan OFF Fan ON
Compressor OFF Compressor ON