15 ECM-SERIES
User’ Guide
CMA-003 is an air condition system controller for controlling
the temperature in the control box, electrical box, etc. Its use for
Air Condition for Control Boxes model PE-Series has 1 Output Relay
to control compressor and Hot Fan. The device can receive Input
Sensor in High - Pressure type and Water Level for notice the
problem and cutting Output operation to prevent damage of Air
Condition for Control Boxed model PE-Series from over High
Pressure and Water Level.
CMA-003 control system is ON/OFF Control can choose the
operation in Heat/Cooling mode. The user can set Setpoint Value
which control variable Sp, variable ON, OFF have
°
C and can set the
time distance between ON and OFF.
CMA-003 can set delay value to start Output Relay when turn
on the device. The delay will delay the Alarm operation and delay the
Output Relay operation after alarm stop by set variable Start Time (D1),
Delay Alarm System(D2) and Delay Time Alarm Event(D3). The process
of delay is when turn on the device will start to delay Start Time then
temperature control system ON/OFF type will work but Alarm system
will not operate until Delay Alarm System will run out and when Alarm
has operated. Output Relay will be cut off for protect damage and
Alarm (AL2) will operate and CMA-003 will record number of times the
alarm occurred.
CMA-003
OPERATION
WIRING DIAGRAM
AIR CONTROL UNIT FOR
AIR CONDITION BOXES
PE-SERIES
Controller Operation
220 VAC
Sensor WL
Sensor HP
220 VAC
Lamp AL2
Lamp AL2
AIR Control.
CMA-003
Relay OUT
220VAC ±10%
50 Hz
Max. 20A 250VAC
Compressor (N)
Compressor (L)
Hot FAN (N)
Hot FAN (L)
Cool FAN (N)
Cool FAN (L)
Supply (N)
Supply (L)
9 10 11 12 13 14 15 16
7 86542 31
NTC 2K
When connected input,
alarm is open circuit.(OFF)
Max. 3A 30VDC / 250VAC
MADE IN THAILAND
Water level
High pressure
Common
Alarm 2
Alarm 1
Temperature Sensor
Common
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