background image

 

12 

12 

Generator (HGE) 
solution level error 

GLS reports open.  Ignored for the first 30 seconds and 
ignored after 20 minutes of operation.  Unit locks out. 

Manual 

13 

WTO sensor error 

WT sensor reads below 14°F 

(-10°C)

 or above 212°F 

(100°C).

 

Auto 

18 

Seismic switch error 

Optional seismic switch is open when it should be 
closed. 

Manual 

20 

Cooling water scale 
alarm 

CND - CTO > 7.2°F 

(4°C)

 

No Reset 
Required 

21 

Cooling water scale 
error 

CND - CTO > 12.6°F 

(7°C)

 

Manual 

25 

High cooling water 
temperature 

Cooling water above acceptable temperatures:   CTO 
above 108°F 

(42°C)

 for 3 consecutive minutes. 

Auto 

26 

Generator (HGE) over 
heat in heating mode 

GPSH has opened.  Unit locks out. 

Manual 

27 

Chilled/hot water 
flow switch error 
(FS1) 

FS1 open when it should be closed.  Condition has 
existed for more than 10 minutes. 

Auto 

28 

Cooling water flow 
switch error (FS2) 

Optional cooling water flow switch (FS2) open when it 
should be closed.  Condition has existed for more than 
10 minutes. 

Auto 

29 

CTO sensor error 

CTO sensor reads below 14°F 

(-10°C)

 or above 212°F 

(100°C)

.  Ignored for first 10 minutes of P2 operation. 

Manual 

32 

GP sensor error 

GP sensor reads above 338°F 

(170°C)

.  Unit locks out.

 

Manual 

33 

CTI sensor error 

CTI sensor reads below 14°F 

(-10°C)

 or above 212°F 

(100°C)

.  Ignored for first 10 minutes of P2 operation. 

Manual 

36 

CND sensor error 

CND sensor reads below 14°F 

(-10°C)

 or above 212°F 

(100°C)

Auto 

40 

Loss of cooling 
capacity 

LT temperature reading has not fallen below 59°F 

(15°C)

 

within 30 minutes.   

Manual 

41 

Cooling mode 
interrupt error  

CIR contacts open for 20 consecutive seconds when 
they should be closed.   

Manual 

42 

Heating mode 
interrupt error 

HIR contacts open for 20 consecutive seconds when 
they should be closed.   

Manual 

43 

Low cooling water 
temperature 

CTI sensor reads below 46.4°F 

(8°C)

 at start of 

operation, or has dropped below this limit for 2 
consecutive minutes during operation.  Burner shuts 
down.  P1 and P2 continue to run.  Burner starts up 
again once CTI sensor rises above 48.2°F 

(9°C).

 

Auto 

44 

Changeover valve 
error 

Changeover valve end switch has not closed within 22 
seconds. 

Manual 

52

 

Combustion system 
error 

Burner Controller indicates an alarm condition.

 

Manual 

72 

LT sensor error 

LT sensor reads below 14°F 

(-10°C)

 or above 212°F 

(100°C)

Manual 

88

 

Circuit Board Error 

Either the CPU Board or the I/O Board or both are not 
responding.  All functions frozen. 

Not 

Possible 

93 

Model setting error 

DS1 and DS3 settings are incompatible 

Manual 

94 

TS1 Position Error 

Unit left in BC or VC test mode without interaction 
longer than 30 minutes. 

Auto 

95 

Data Error 

CPU board requires reboot or replacement. 

Manual 

 

Table 2 - ERROR CODES 

Содержание CH-K30

Страница 1: ...UCTIONS and properly maintained it can provide many years of trouble free operation CONTENTS GENERAL Page ABSORPTION PRINCIPLE 2 COOLING OPERATION 2 HEATING OPERATION 3 CONTROLS GENERAL INFORMATION 4...

Страница 2: ...cooled and heat is normally rejected to a cooling tower though ground loop is also an option COOLING OPERATION High Temperature Generator HGE The gas burner heats a dilute lithium bromide solution in...

Страница 3: ...nd semi concentrated solution flow into the primary separator in exactly the same manner as in the cooling cycle Low Temperature Generator LGE In Heat mode the changeover valve opens a path for the se...

Страница 4: ...y also be supervised and controlled by external control systems to a limited degree when the necessary interconnections are installed Additional controls and interlocks can be explained by your ASP On...

Страница 5: ...2 10 Rated 300vac F4 2 Fuji Model FGAO 2 Rated 250vac F11 F12 2 Fuji Model FGAO 2 Rated 250vac F31 F32 1 Fuji Model FGAO 2 Rated 250vac FB11 FB12 2 Fuji Model FGAO 2 Rated 250vac FB21 FB22 15 Nagasaw...

Страница 6: ...on the I O Board to ON The leaving chilled water temperature can be adjusted using the TC potentiometer on the CPU Board The leaving chilled water set point can be set in a range of 40 1 F 4 5 C to 59...

Страница 7: ...ress the alarm RESET button to restart the cooling or heating operation If Error Code 52 is amongst the codes being displayed it will also be necessary to press the RESET button on the burner controll...

Страница 8: ...Gas Pressure Check Supply and Manifold Inhibitor Check If required For the K Series an inhibitor charge is needed every 3 years on average Palladium Cell Heater Check Flow Rate Check Solution Pump Rot...

Страница 9: ...s vacuum section Just because the vacuum pump has stopped producing bubbles in the water bucket does NOT mean the vacuum level is adequate A digital vacuum gauge MUST be used in order to determine the...

Страница 10: ...iller heater itself as well If doing so pressurize the unit to the same pressure as the circuits using nitrogen See the Service Manual for further details TROUBLESHOOTING SYMPTOM Chiller heater does n...

Страница 11: ...iption Notes Reset Type FS Flow switch alarm Chilled hot water flow switch FS1 open but for less than 10 minutes After 10 minutes this changes automatically to error code 27 Auto 01 DCP power error Op...

Страница 12: ...10 C or above 212 F 100 C Ignored for first 10 minutes of P2 operation Manual 36 CND sensor error CND sensor reads below 14 F 10 C or above 212 F 100 C Auto 40 Loss of cooling capacity LT temperature...

Страница 13: ...13 Please send a copy of any maintenance data sheets to Yazaki Energy Systems Inc at the address FAX number and or email address listed on the last page of this document...

Страница 14: ...Labor Charges for warranty service can be obtained by an authorized service provider upon written request to YESI 7 LIMITATION OF WARRANTY AND LIMITATION OF REMEDY CUSTOMER s remedies shall be limite...

Страница 15: ......

Страница 16: ...MS INC 701 E PLANO PKWY SUITE 305 PLANO TEXAS 75074 6700 Phone 469 229 5443 Fax 469 229 5448 Email yazaki yazakienergy com Web http www yazakienergy com This symbol on the product s name plate means i...

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