29
DIGITAL OUTPUTS
N Air / water units type 00 / 01 Water / water units type 03 / 04 NOTES
C1 Circulation pump Circulation pump -
C2 Antifreeze heating element Antifreeze heating element -
C3 Liquid solenoid Liquid solenoid -
C4 Compressor line contactor Compressor line contactor -
C5 Compressor star contactor Compressor star contactor -
C6 Compressor triangle contactor Compressor triangle contactor -
C7 Liquid Inj./econ./oil cooler Liquid Inj./econ./oil cooler -
C8 General alarm General alarm -
C9
Step capacity control: -Compressor capac-
ity control 1 Modulating capacity control:
- Power decrease valve
Step capacity control: -Compressor capacity
control 1 Modulating capacity control: - Power
decrease valve
CP Power 75%
C10
Step capacity control: -Compressor capac-
ity control 2 Modulating capacity control:
- Power increase valve
Step capacity control: -Compressor capacity
control 2 Modulating capacity control:
- Power increase valve
CP Power 40%
C11
Step capacity control: -Compressor capac-
ity control 3 Daikin modulating capacity
control: -Minimum power valve Bitzer modu-
lating capacity control: -Economizer
Step capacity control: -Compressor capacity
control 3 Daikin modulating capacity control:
-Minimum power valve Bitzer modulating ca-
pacity control: -Economizer
Power CP
25% (5 steps) or
12% (4 steps)
C12
5 Step capacity control: -Compressor
capacity control 4 4 step capacity control: -
Liquid injection electrovalve 2
5 Step capacity control: -Compressor capac-
ity control 4 4 step capacity control: - Liquid
injection electrovalve 2
Power CP 12% or
Liquid Inj./econ./
oil cooler
C13 Fan motor 1 Condenser pump -
C14 Cycle inverter valve V3VFC free-cooling Pressure switch bypass solenoid valve (VSBP) -
C15 VA_50 free-cooling bypass solenoid valve (VSBP) Cycle inverter valve (VIC) -
C16 3-way VA_25 free-cooling 3-way recovery valve 3-way recovery valve -
C17 VR recovery VB_50 free-cooling VR recovery -
C18 VR recovery VB_25 free-cooling VB recovery -
C1 EXP Glycolated water pump (Glycol free) Glycolated water pump (Glycol free) -
C2 EXP
Antifreeze heating element glycol side
(Glycol free)
Antifreeze heating element glycol side (Glycol
free)
-
C3 EXP Not used Not used -
C4 EXP Not used Not used -
N Air / water units type 00 / 01 Water / water units type 03 / 04
NOTES
Y1
Speed regulation
condenser fan motor
Speed regulation
Inverter pump / modulating valve
-
Y2 ---
Y3 0-10 volt output, water outlet 0-10 volt output, water outlet -
Y4 0-10 volt output, water inlet 0-10 volt output, water inlet -
Y5 ---
Y6 ---
ANALOGUE OUTPUTS
WF-WSA-WSB-WSH UNITS
WF-WSA-WSB-WSH UNITS
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