23
PG2021 Global HAHU-VP-ECM-005
D.
Control Specifications: Intelligent Control (I Type)
D . 1 .
I / O P o r t D e f i n i t i o n s f o r I t y p e
I/O
Code
2-Pipe
4-Pipe
Analogue
Input
Air Temperature Sensor
AL0
Room air temperature sensor (Tr)
Chilled water inlet sensor
(Ti1)
AI1
Water inlet temperature sensor
(Ti1)
Chilled water inlet temperature
sensor (Ti1)
Chilled water outlet sensor
(Ti2)
AI2
Water outlet temperature
sensor(Ti2)
Chilled water outlet temperature
sensor(Ti2)
Hot water inlet sensor (Ti3)
AI3
Air inlet temperature sensor (Ti3)
Hot water inlet temperature sensor
(Ti3)
Hot water outlet sensor (Ti4)
AI4
Air outlet temperature sensor (Ti4)
Hot water outlet temperature
sensor (Ti4)
Transducer signal input
0-10VDC
0-10VDC signal input
4-20mA1
4-20mA signal input1
4-20mA2
4-20mA signal input2
User
interface
IR receiver
X-DIS 1
Digital communication port to LED / IR receiver board.
Wired wall pad
TTL1
Digital communication port to Wired wall pad board.
Digital input
Occupancy contact
PRO1
The unit is ON. When occupancy contact is closed for 60s, the unit is turned
OFF. When occupancy contact is open for 10s, the unit is turned ON.
Float switch
Float
NC signal for condensate water float switch.
EH protection
EH
NC signal for EH protection switch.
Power
supply
Working power supply
L
240VAC or 24VDC
GND
GND
Grounding
Digital input
High speed
HF
High speed: Free of voltage contact
Medium speed
MF
Medium speed: Free of voltage contact
Low speed
LF
Low speed: Free of voltage contact
Motorized valve 1
MTV1
ON/OFF motorizes valve
Chilled water valve
Motorized valve 2
MTV2
Reserved
Hot water valve
Condensate water pump
WP
Condensate water pump: Free of voltage contact
Electrical heater
EH
EH: Free of voltage contact
BUS port
A1/B1
Communication with EC fan driver
BUS port
A/B
Modbus network serial connection
EC fan control signal
DA1
EC fan control signal 0-10VDC
Modulating valve 1
DA2
Modulating valve
Chilled water modulating valve
Modulating valve 2
DA3
Modulating EH control signal
Hot water modulating valve
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz