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CWFL-2000 Series

10

<5> Alarm and output terminal

In order to guarantee the equipment will not be effected while abnormal
situation happens on the chiller, CWFL-2000 dual temperature and dual pump
series chillers possess alarm protection function.

1. Alarm output terminals and wiring diagram.

2. Alarm causes and working status table.

Note: The flow alarm is connected to the normally open relay and normally closed

relay contacts, requiring operating current less than 5A, working voltage less
than 300V.

Display

Condition

Alarm code

Buzzer

OUT

H1

H2

OUT

H1

H3

Circulating pump works
properly

DISCONNECTION

BREAKOVER

Blocked cooling water
circulation loop

E6

Sounds

BREAKOVER

DISCONNECTION

Alarm of water shortage

E6

Sounds

BREAKOVER

DISCONNECTION

Faulted

circulating

pump

E6

Sounds

BREAKOVER

DISCONNECTION

Ultrahigh room temp

E1

Sounds

BREAKOVER

DISCONNECTION

Ultrahigh water temp

E2

Sounds

BREAKOVER

DISCONNECTION

Ultralow water temp

E3

Sounds

BREAKOVER

DISCONNECTION

Faulted

room

temp

sensor

constant temp

invalid

E4

Sounds

BREAKOVER

DISCONNECTION

Faulted

water

temp

sensor

E5

Sounds

BREAKOVER

DISCONNECTION

Chiller power failure

BREAKOVER

DISCONNECTION

Summary of Contents for CWFL-2000

Page 1: ...CWFL 2000 DUAL TEMPERATURE AND ONE PUMP INDUSTRIAL CHILLER USER MANUAL...

Page 2: ...000 Series 2 Contents 1 Cautions 3 2 Contour and parts introduction 4 3 Installation 5 4 Operation and parameters adjustment 6 5 Alarm and output terminal 10 6 Specifications 11 7 Simple troubleshooti...

Page 3: ...the chiller without water in the storage water tank The new machine is packed after draining whole water in the tank so please make sure the tank has water inside before machine starting otherwise it...

Page 4: ...ts introduction AIR INLET FILTER GAUZE POWER SUPPLY ALARM OUTPUT WATER OUTLET H WATER INLET H DRAIN WATER LEVEL GAUGE WATER SUPPLY INLET AIR OUTLET WATER INLET L WATER OUTLET L FILTER POWER SWITCH HIG...

Page 5: ...hed on if the water temperature is under the set value it is normal that fans and other components of the machine do not work The temperature controller will automatically control the working conditio...

Page 6: ...ructure except default setting 1 Temperature control panel introduction 1 Indicators of temperature controller working status COMP ON compressor working SV ON solenoid valve working Heating ON heating...

Page 7: ...m In alarming state the alarm sound could be suspended by pressing any button but the alarm display remains until the alarm condition is eliminated 4 Temperature controller parameters list Order Code...

Page 8: ...nd then press the SET key if the password is correct F0 displays entering into setup status D1 flashing to indicate that the controller is under parameters setup status If the password is incorrect it...

Page 9: ...r high water temperature will be on when water temperature is higher than 25 and the alarm of over low water temperature will be on when water temperature is lower than 5 Regardless of what is the amb...

Page 10: ...oltage less than 300V Display Condition Alarm code Buzzer OUT H1 H2 OUT H1 H3 Circulating pump works properly DISCONNECTION BREAKOVER Blocked cooling water circulation loop E6 Sounds BREAKOVER DISCONN...

Page 11: ...tu h 6 87 KW 5907 Kcal h Refrigerant R 22 R 410a Refrigerant charge 1800 g Precision 0 5 Reducer Capillary Protection Overcurrent protection for compressor flow alarm over temperature alarm Pump power...

Page 12: ...nlet Water circulation pipes are blocked or a pipe bending deformation Check water circulation pipe Ultra high temperature alarm controller displays E2 Blocked dust gauze bad thermolysis Unpick and wa...

Page 13: ...CWFL 2000 Series 13 changing CWFL 2000...

Page 14: ...CWFL 2000 Series 14 15 16 17 18 22 23 24...

Page 15: ...CWFL 2000 Series 15 1 2 10 3 50Hz 60Hz 4 NORMAL NORMAL 5 50cm 30cm 6 7 8...

Page 16: ...CWFL 2000 Series 16...

Page 17: ...CWFL 2000 Series 17 1 2 3 4 1 2 3 4 5 6 CWFL 2000 18...

Page 18: ...CWFL 2000 Series 18 T 506 T 506H 25 T 506 T 506H 1 1 Comp SV Heating INT Ctrl CT Ctrl PARAM Set ALM OUT Room Temp ST DLA 2 6 Room Temp 3 4 RST 5 SET...

Page 19: ...9 2 rE 6 3 1 2 4 T 506 T 506H 1 F0 F9 F8 30 25 2 F1 15 5 2 2 3 F2 0 1 3 0 0 3 0 3 4 F3 0 1 1 0 1 0 5 F4 1 20 20 10 6 F5 1 20 20 15 7 F6 40 50 45 45 8 F7 00 99 8 8 9 F8 F9 1 40 35 30 10 F9 1 F8 1 25 20...

Page 20: ...CWFL 2000 Series 20 5 SET PARAM Set 1 2 2 25 RST 20 6 1 SET 00 PAS 8 SET F0 2 RST 20 SET 1 2 F0 3 F1...

Page 21: ...ries 21 7 T 506 T 506H 1 F0 28 20 30 25 2 F1 2 2 3 F2 2 0 1 0 0 3 0 3 4 F3 0 0 1 0 5 F4 5 4 20 10 6 F5 10 14 20 15 7 F6 45 45 45 45 8 F7 8 8 8 8 9 F8 30 30 35 30 10 F9 5 5 25 20 1 28 2 5 10 5 30 2 20...

Page 22: ...CWFL 2000 Series 22 CWFL 2000 1 2 2 H1 H2 H1 H3 E6 E6 E6 E1 E2 E3 E4 E5 5A 300V...

Page 23: ...CWFL 2000 CWFL 2000AN AC 1P 220 V 50 Hz 5 2 20 7A 2 23 KW 3 08 HP 23440 Btu h 6 87 KW 5907 Kcal h R 22 R 410a 1800 g 0 5 0 75 KW 15 L Rp1 2 Rp1 53M 70 L min 120 Kgs 155 Kgs 85X60X103 cm L X W X H 95X...

Page 24: ...CWFL 2000 Series 24 E6 E6 E2 E1 40...

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