Maintenance Contract - Samsung AG042KSVANH Installation Manual

Dvm chiller. ag042ksv series; ag056ksv series; ag070ksv series

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Service manual (142 pages)

Table Of Contents

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

Table of Contents

Maintaining water system

Check and clean water strainer.

- If strainer is blocked, water side heat exchanger may freeze due to lack of water storage.

Check if air is not mixed in inlet/outlet of chilled/heating water pipe system.

- Air may be mixed in the system even if first air purging is done. Vent air constantly.

Check the quality of water.

- Release the air purge valve and drain water by water drain plug. (Refer to page 66.) Contaminated water

may cause cooling performance decrease and corrosion on water side heat exchanger or water pipe.

- Refer to page 68 for water maintenance.

Check flow rate of chilled/heating water.

- Low flow rate of chilled/heating water may cause freezing. Check inlet/outlet of water side heat exchanger

for blocked strainer, noise occurred by vapor in filter impeller, decreasing flow rate by circulating pump

malfunction by measuring temperature or pressure difference. If flow rate decreased, stop the operation

and restart after removing the cause.

- Refer to page 72 for usage range.

For pump integrated models, daily and periodic check for pump is necessary.

- If there are water leakage or noise from the product, maintenance may be necessary.

Checking exterior and noise

Clean air side heat exchanger (cross fin coil).

- Performance may decrease if contaminated too much. Clean by water or steam. Dry well after cleaning by

water. Touching by hands may cause injury.

Clean the fan if contaminated.

- Cut-off the power supply before cleaning.

- Make sure that power will not be supplied during cleaning.

Contact the merchandise or service center if noise generates.