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no.
1-2
Cooling/Heating display
3-4
Operation display
5-6
Warning display
7-8
Defrost operation display
9-10
Pump operation display
a-t/B
11-12
Comp operation display
13-14
Pump operation
15-16 Freeze protection display
17-18
19-20
• Output written above is information about individual unit.
CaUtIon
• You must turn off the power before working on external contact wiring.
• Output contact can be connected neutral contact and Open/Short only.
• Be sure to install a buzzer (alarm) on terminals 15 and 16 in order that
the operator can check the system when the freeze protection function
starts.
f Example of output contact installation
Output terminal block
DB68-05916A-09_IM_DVM Chiller Outdoor_EU_EN_.indd 35
name
Signal
Display when operates in heating
Display when operates
Display when error occurs
Zero
Display when defrosting
voltage
Display when pump operates
contact
Display when compressoroperates
Signal of pump operation
Display when freeze protection
Disuse
-
Disuse
-
External controller (DDC: Direct Digital Control)
Refer to the manual provided with the external controller for using.
Field scope
Function
Contact on (Short)
Heat
mode
Operate
Error occurred
Deforst ON
Pump ON
Compressor ON
Pump signal ON
Pump ON for freeze
operates
protection
-
-
-
-
terminal block
20P T/B
DDC
Lamp or output load
Maximum
Contact off
allowable
(open)
current
Cool
0.5 A
Stop
0.5 A
No error
0.5 A
Defrost OFF
0.5 A
Pump OFF
0.5 A
Compressor OFF
0.5 A
Pump signal OFF
0.5 A
Others
0.5 A
-
-
-
-
tightening
torque (n·m)
M3
0.5 ~ 0.75
Power (AC or DC)
35
English
2022-05-02 오전 9:00:03
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