Troubleshooting guide
5.0 MAINTENANCE
5.9 SAMPLE LOG SHEET SHEET NO.............................
DUNHAM-BUSH WATER COOLED PACKAGE UNIT
UNIT MODEL NO. .......................................................UNIT NO.....................................VOLTS: ........................Hz .....................
UNIT SERIAL NO. ...................................................................................................................
START UP : DATE..........................................TIME...................................................
DATE
TIME
COMP NO.
1.
2.
3.
SUCTION PRESSURE
4.
1.
2.
3.
SUCTION TEMP.
4.
1.
2.
3.
DISCHARGE PRESSURE
4.
1.
2.
3.
DISCHARGE TEMP.
4.
1.
2.
3.
DISCHARGE SUPERHEAT
(DISCH. TEMP.-SAT. DISCH.)
4.
1.
2.
3.
SUCTION SUPERHEAT
(SAT. SUCT.- SUCT. TEMP)
4.
RETURN AIR TEMP. – DB/WB
SUPPLY AIR TEMP. – DB/WB
AIR VOLUME
CONDENSER WATER INLET TEMP.
CONDENSER WATER OUTLET TEMP.
1.
2.
3.
COMPRESSOR AMPS
4.
EVAPORATOR FAN AMPS
VOLTS
This log sheet is provided as a recommendation of the readings that should be taken on a periodic basis. The actual readings taken and the
frequency will depend upon the units application, hours of use, etc. This type of information can prove very useful in preventing and/ or solving
problems that might occur during the life of the unit.