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SK2016 HW-V-AECM-001
F.
Control Specifications: Flexible Control PCB - W Type Control
Used in all High-Wall [V/P] ~W unit configurations.
Ti1 = Chilled water coil temperature (10K)
F.1.
Definition of Input/Output
I/O
Code
2-Pipe
Analogue Input
Chilled water Sensor
AI1
Coil sensor
Power input
R1
Lo
24 Voltage input (NO). If any speed is powered, the unit is
turned on. If no speed receives power, the unit is turned
off.
R 2
Med
R 3
Hi
Power input
Phase
L
Power supply: 220V/1Ph/60Hz
115V/1Ph/60Hz
Neutral
N
Earth
GND
Digital input
Wired wall pad
TTL
Change EC motor rpm
Signal input
AUTO SIGNAL
Auto
24V 60HZ, auto signal on, unit is turned on
0 to+5VDC
(0~10VDC)
Signal
0 to +5VDC
,
SW1=0
(0~10VDC, SW1=1)
Motor output
EC motor
CN3
Output
Stepping motor
CN1-2