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61

System Testing & Troubleshooting

DIAGNOSTIC DISPLAYED

REASON FOR DIAGNOSTIC

UCM’

S

 REACTION

RESET REQUIRED

S

u

c

tion T

e

m

p

er

at

ur

e S

e

ns

or

 F

a

il -

 

Ci

rc

u

it

 1

P

roblem

: C

ir

c

uit

 1 S

u

c

tion Line 

T

e

m

p

er

at

ur

e s

e

ns

or

 input

 is

 out

 of

 

ra

nge.

 

C

h

ec

k

: S

ens

or

 r

e

s

is

tanc

e

 bet

w

een 

830 ohm

s

 (

200 F

) and 345.

7K

ohm

s

    

(-

40 F

).

  I

f not

, c

hec

k

 f

ield/

unit

 w

ir

ing 

bet

w

een S

e

ns

or

 and S

C

M

/M

C

M

.

T

h

e S

u

per

heat

/S

ubc

ool M

odule is

 

ins

talled and t

h

e unit

 is

 r

e

ading a 

s

ignal t

h

at

 is

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 r

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o

r t

h

C

ir

c

uit

 1 S

u

c

tion Line T

e

m

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at

ur

S

e

ns

or

 input

 on t

he S

C

M

/M

C

M

(T

em

p <

 -

4

0 F

 or

 T

e

m

p

 >

 200 F

).

  

T

h

e S

u

per

heat

/S

ubc

ool 

c

a

lc

ulat

ion is

 inv

a

lid and t

h

v

a

lu

e

s

 a

re

 s

e

t to

 z

e

ro

.  N

o

 o

th

e

c

h

ange in unit

 oper

at

ion oc

c

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.  

T

h

is

 diagnos

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F

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Ci

rc

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it

 2

(C

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60 T

o

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)

P

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: C

ir

c

uit

 2 S

u

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tion Line 

T

e

m

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at

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e s

e

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or

 input

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C

h

ec

k

: S

ens

or

 r

e

s

is

tanc

e

 bet

w

een 

830 ohm

s

 (

200 F

) and 345.

7K

ohm

s

    

(-

40 F

).

  I

f not

, c

hec

k

 f

ield/

unit

 w

ir

ing 

bet

w

een S

e

ns

or

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C

M

.

T

h

e S

u

per

heat

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ubc

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odule is

 

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C

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at

ur

S

e

ns

or

 input

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he M

C

M

. (

T

em

p <

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40 F

 or

 T

e

m

p

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).

  

T

h

e S

u

per

heat

/S

ubc

ool 

c

a

lc

ulat

ion is

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a

lid and t

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v

a

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s

 a

re

 s

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ro

.  N

o

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e

c

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ange in unit

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at

ion oc

c

u

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.  

T

h

is

 diagnos

ti

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S

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Fa

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P

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: T

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 w

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S

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ubc

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odule (

S

S

M

).

C

h

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k

: C

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 f

ield/

unit

 w

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bet

w

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G

M

  and S

S

M

 M

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dule.

 

T

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G

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 has

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t c

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m

unic

a

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ons

 

w

ith

 th

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 S

S

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.

N

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 C

h

ange in unit

 oper

at

ion 

oc

c

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rs

.  T

h

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u

per

heat

/S

ubc

o

ol 

M

odule is

 us

ed f

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r m

o

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o

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pur

pos

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s

 only

, and does

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af

fe

c

t unit

 oper

a

ti

on.

  T

h

is

 

diagnos

tic

 is

 f

o

r inf

o

rm

at

ion 

only

.

(PAR

) An

 a

u

to

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ed.

Содержание IntelliPak CGAF Series

Страница 1: ...ooting Guide Library Service Literature Product Section Refrigeration Product Hermetic Scroll Liquid Chillers Air Cooled Model CG Literature Type Programming Trouble Shooting Guide Sequence 01B Date J...

Страница 2: ...to 6 sections Each section pro vides the operator with specific information about the sys tem operating parameters and their related screens By carefully following the screen layout within this manual...

Страница 3: ...igerant Ckt 1 Suction and Liquid Line Temperatures 19 Compressor Module Ckt 2 Saturated Condenser Temperature 19 Refrigerant Ckt 2 Suction and Liquid Line Temperatures 20 Temp Measured by Sensor Conne...

Страница 4: ...elay 41 Index 65 Hot Operation Response Option 24 Pumpdown Function Enable Disable 24 Default Chiller Solution Pump Mode 24 Evap Soln Pump Off Delay Time 25 Loop Stabilization Time 25 Low Ambient Comp...

Страница 5: ...Stock Unit 5 575 50 3 Digit 12 Agency Approval Field Installed Options 9 380 50 3 0 None Factory or Field Installed Option D 415 50 3 1 UL CSA Available on Pack Stock Units S Special Unit Nameplate O...

Страница 6: ...ection Comm3 Trane proprietary network communication protocol Comm5 Trane s implementation of LonTalk an open network communication protocol Chilled Solution Temperature Reset A function that shifts t...

Страница 7: ...he unit and accepts external setpoints in form of ana log inputs 0 5 DCV or 0 10 DCV depending on the mod ule selected and a binary Input for demand limit Five 5 binary outputs are available on 0 5 DC...

Страница 8: ...rface HI Module illustrated in Figure 1 is the device which enables the customer building owner or contractor to communicate to the unit the necessary pa rameters for unit operation The local unit mou...

Страница 9: ...diagnostic infor mation it will revert back to the operating status display CONFIGURATION Key Pressing the CONFIGURATION key will cause the LCD screen to display the first of the configuration screens...

Страница 10: ...hoices On or Off at each edit point Minus Key This key when viewing the setpoint screen will decrease the temperature or pressure value of the setpoint When view ing the setup or service test screens...

Страница 11: ...ionPump _____ Unit On If the unit has entered an operating state running the following display will appear on the Human Interface LCD screen When this screen is being displayed the only functional key...

Страница 12: ...34 SETPOINTS Use Leaving Solution Setpoint From HI STP Menu 34 SETPOINTS Use Ice Building Terminate Setpoint From HI STP Menu 34 SETPOINTS Use Hot Start Load Limit Setpoint From HI STP Menu 35 SETPOIN...

Страница 13: ...Low Press Control Open Ckt 2 40 60 Ton 29 SETUP GBAS 0 5 VDC Binary Output 3 Definition Indicate Unit at Max capacity 29 SETUP GBAS 0 5 VDC Output 3 Alarm Assignments Any active diagnostic 29 SETUP GB...

Страница 14: ...ge at 0 PSIG 0 118 V 32 SETUP Ckt 2 Suction Line Pressure Transducer voltage at 100 PSIG 4 847 V 32 SETUP Ckt 1 Liquid Line Pressure Transducer voltage at 0 PSIG 0 118 V 32 SETUP Ckt 1 Liquid Line Pre...

Страница 15: ...n will appear if the PASSWORD is not entered within approximately 15 seconds 1 Press the NEXTkey until the following screen is displayed 2 Press the or keys in this sequence to access this restricted...

Страница 16: ...splay Description 1 Press the NEXT key to scroll forward through the status screens 2 Press the PREVIOUS key to scroll backwards to view previously displayed status screens 3 Press the Plus key while...

Страница 17: ...key until the following screen is displayed The following three screens are applicable when Superheat Subcool Module is installed Used on Units With superheat subcool module Possible Values 40 to 200...

Страница 18: ...ts Used on Units 40 60 Ton Units with Current Sensing Module Possible Values 0 255 1 Press the NEXT key until the following screen is displayed Used on Units 40 60 Ton Units with Current Sensing Modul...

Страница 19: ...t Gas Bypass Control Relay OFF End Of Sub Menu NEXT To Re enter STATUS CGM Ice Building Control Relay ON Setpoint Value Measured CGM Ext Leaving Soln STP Input is 44 0 F MCM Heat Tape Control Relay OF...

Страница 20: ...llowing screen is displayed Used on Units All Units Possible Values 40 0 to 200 F 1 Press the NEXT key until the following screen is displayed Used on Units All Units Possible Values 40 0 to 200 F 1 P...

Страница 21: ...low No Flow 1 Press the NEXT key until the following screen is displayed Used on Units All Units with Superheat Subcooling Possible Values Suction 0 0 to 100 0 PSIG Liquid 0 0 to 400 0 PSIG Comp Off 1...

Страница 22: ...gned 2 Press the NEXT key to display Generic BAS Binary Output Indicate any comp is running screens 2 3 4 5 Indicate unit at max capacity 3 Press the NEXT key to advance to the following screen Indica...

Страница 23: ...ure Ckt2 liquid line pressure Ckt1 saturated condenser temp Ckt1 sat liquid temperature Ckt2 saturated condenser temp Ckt2 sat liquid temperature Ckt1 suction temperature ICS Defined temperature Ckt2...

Страница 24: ...30 min utes without a key being pressed the LCD screen will revert to the appropriate power up display If this happens press the SETUP key again to return to the setup menu 1 Press the SETUPkey to di...

Страница 25: ...s the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units All Units Possible Values 50 Capacity per ckt Auto Reset Diag 1 Press the or key until...

Страница 26: ...to confirm this choice Possible Values 3 Press the NEXT key to advance the cursor to the End Temp Reset Type Outside Air Temp Reset 4 Press the or key until the proper value is displayed Zone Temp Re...

Страница 27: ...360Min 3 PresstheNEXTkeyuntil thefollowingscreenisdisplayed PossibleValues 30to1410Minutes 1 PressingtheNEXTkeywill displaythebeginningof theSubmenu 2 PresstheNEXTkeyagaintoadvancetothefollowingscree...

Страница 28: ...advance to the following screen This screen is displayed when GBAS 0 5 VDC Module is installed 1 To view the factory preset or to modified the factory presets to meet specific application requirement...

Страница 29: ...one Temp Sensor Failure Low Soln Cutout Temp Man Ckt 1 Pumpdown Terminated by Time Low Soln Cutout Temp Auto Ckt 2 Pumpdown Terminated by Time Low Press Control Open Ckt 1 Comp Contactor Fail Ckt 1 Lo...

Страница 30: ...ues Not Assigned 4 Press the NEXT key to display Generic BAS Analog Input Leaving Solution Setpoint 2 screen Ice Build Terminate Setpoint 5 Press the or key until the proper value is displayed Hot Sta...

Страница 31: ...mperature 8 Press the NEXT key to advance to the following screen ICS Defined Temperature Leaving Solution Temperature Outside Air Temperature 1 Pressing the NEXT key will display the beginning of the...

Страница 32: ...55 Seconds 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units 40 60 Ton Unit...

Страница 33: ...screen is displayed Used on Units 40 60 Ton With Superheat Subcooling Possible Values 0 PSIG 0 000 to 4 000 VDC 400 PSIG 1 000 to 5 000 VDC 1 Press the or key until the proper value is displayed 2 Pre...

Страница 34: ...le Values Proport Bias 0 to 400 Max Cy Rate 1 5 to 20 0 cph 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the curs...

Страница 35: ...lues 0 to 45 0 F Note Maximum setting may be limited by Hi Leaving 1 Press the or key until the proper value is displayed Solution Setpoint 2 Press the ENTER key to confirm this choice 3 Press the NEX...

Страница 36: ...e proper value is displayed GBAS 0 10VDC Module 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units With GBAS5V or GBAS10V Possible...

Страница 37: ...this choice 3 Press the NEXTkey until the following screen is displayed UsedonUnits All Units Possible Values 51 65 F 40 50 F 30 39 F 20 29 F Special 1 Press the or key until the proper value is displ...

Страница 38: ...reens is displayed Used on Units 20 to 30 Ton Units Possible Values 1 0 or Greater OR Used on Units 40 to 60 Ton Units Possible Values 1 0 or Greater 1 Press the NEXT key until the following screen is...

Страница 39: ...reater 1 Press the NEXT key until the following screen is displayed Used on Units With TCI or LCI Module Possible Values Comm3 with TCI module Comm5 with LCI module 1 Pressing the NEXT key will return...

Страница 40: ...splayed Used on Units With Hot Gas Bypass Option Possible Values On Off 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until t...

Страница 41: ...ues On Off Auto 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the cursor to the 1B 4 Press the or key until the pr...

Страница 42: ...ption Possible Values 0 0 to 10 0 VDC 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the cursor to the 2 Output 4 P...

Страница 43: ...es this screen will be displayed at the unit mounted Human Interface and at the remote mounted Human Interface if installed Used on Units All Units Note There is no time out period when the unit is op...

Страница 44: ...ic the words NOT VIEWED change to VIEWED for every diagnostic in the log The diagnostic will remain this way as long as it is in the log This allows the operator to distinquish between old and new dia...

Страница 45: ...t Is InReset Mode Active Diagnostic Manual Reset More OR Pressing the NEXT key to view the diagnostics will prompt the UsedonUnits All Units following screen if an AUTORESET failure has occurred The w...

Страница 46: ...ill display the following screen Used on Units All Units Possible Values Plus and Minus 1 Press the Plus or Minus keys to enter the password 2 Press the ENTER key to confirm this choice When the corre...

Страница 47: ...on the link Check Wiring between Unit Mounted Local Human Interface and CGM Verify crimping of communications wiring There should be no loose connections or crimps on wire insulation If a Remote HI wa...

Страница 48: ...830 ohms 200 F and 345 7Kohms 40 F If so check field unit wiring between Sensor and CGM The unit is reading a signal that is out of range for the Outside Air Temperature sensor input on the CGM Temp 4...

Страница 49: ...for information only INFO This diagnostic is reset when a compressor on Circuit 2 is staged on due to a cooling demand Compressor Contactor Fail Circuit 1 Problem The Compressor Contactor for Circuit...

Страница 50: ...d open continuously for more than 3 seconds when either or both compressor outputs on Circuit 1 are energized as described in the Compressor Protection function A Lockout Circuit 1 request is issued t...

Страница 51: ...r monitoring purposes only and does not affect unit operation This diagnostic is for information only PAR An automatic reset occurs after communication has been restored Emergency Stop Problem The Eme...

Страница 52: ...MR A manual reset is required after this diagnostic occurs The Diagnostic can be reset by the unit mounted Human Interface Module or Tracer or by cycling power to the CGM Evaporator Leaving Solution T...

Страница 53: ...ftware Verison number less than what is required A Lockout all Circuit request is issued to the compressor staging function Compressor Relays LPC Bypass Relays Liquid Line Solenoid Relays and HGBP rel...

Страница 54: ...put Fail Problem CGM is receiving an External Leaving Solution Setpoint LSS Input signal which is out of range Check field unit wiring between CGM and External Leaving Solution Setpoint potentiometer...

Страница 55: ...function in the GBAS module will cause all GBAS outputs to be zeroed and de energized PAR An automatic reset occurs after communication has been restored GBAS 0 5VDC Module Comm Failure Problem The CG...

Страница 56: ...is too hot Hot Operation Response is set to SHUT OFF COMPRESSORS MANUAL RESET DIAG The Leaving Solution Temp exceeded the Hot Start Load Limit Setpoint after the Hot Start Time Interval expired A lock...

Страница 57: ...blem The designated Leaving Solution Setpoint is out of range If either GBAS module is designated as the Leaving Solution Setpoint source verify that GBAS module has this input assigned to one of it s...

Страница 58: ...ll deenergize the following Compressor Relays LPC Bypass Relays Liquid Line Solenoids and HGBP Relay PAR An automatic reset occurs after the Evaporator Solution Temperature s rises 4 deg F or more abo...

Страница 59: ...nit operation The active Leaving Solution Setpoint is set to the Leaving Solution Cutout Temperature Setpoint plus the calculated Minimum Differential value PAR An automatic reset occurs after the dif...

Страница 60: ...communication has been restored Suction Temp Sensor Fail Circuit 1 Problem Circuit 1 Suction Line Temp sensor input is out of range Check Sensor resistance between 830 ohms 200 F and 345 7Kohms 40 F I...

Страница 61: ...2 Suction Line Temperature sensor input is out of range Check Sensor resistance between 830 ohms 200 F and 345 7Kohms 40 F If not check field unit wiring between Sensor and MCM The Superheat Subcool M...

Страница 62: ...the network Check Network Tracer or 3rd party has been designated as setpoint building control panel is powered up source local HI default and running properly If so check unit setpoints will be used...

Страница 63: ...ure ICS Relay Current Sensing Compressor A Phase A None None None Module CSM Compressor A Phase B Compressor B Phase A Compressor B Phase C Compressor C Phase B Compressor C Phase C Compressor D Phase...

Страница 64: ...rprocessor None None None None Communications Bridge IPCB Module Multiple Compressor Evap Suction Temperature Condenser Fan Speed Compressor Proving Ckt 1 Compressor Relay K11 Module MCM Ckt 1 Low Amb...

Страница 65: ...S BINARY OUTPUTS Superheat Subcool Liquid Pressure Ckt 1 None None None Module SSM Liquid Pressure Ckt 2 Suction Pressure Ckt 1 Suction Pressure Ckt 2 Trane Communication None None None None Interface...

Страница 66: ...Summary 62 N NEXT Key 9 No Configuration 7 non Trane building control systems See Generic BAS Module Symbols Plus Key 9 Plus Key 10 See Data Manipulation Keys Minus Key 9 Minus Key 10 See Data Manipul...

Страница 67: ...tpoint Source Selection 34 SETPOINTS Key 8 SETUP Menu 23 SETUP Key 8 STATUS Key 8 STATUS Menu 15 STOP Key 9 Superheat Subcooling Module 6 T TEST START Key SERVICE 9 Trane Communications Interface Modu...

Страница 68: ...68...

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