Advantage OACS Series, Instruction Manual

Page: 60 / 86

OACS Central Chillers : with MG Series Control Instrument
Page: 60
ADVANTAGE ENGINEERING, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-0729 Fax: 317-881-1277
Service Department Fax: 317-885-8683
Email: service@AdvantageEngineering.com
to below the evaporator outlet. For chillers without a reservoir tank,
drain total unit.
2. Connect a water supply hose to the evaporator water outlet. If acid
cleaning, connect the discharge hose from the acid pump to the
evaporator outlet port.
3. Connect a hose to the evaporator water supply port and to an
appropriate containment vessel. If acid cleaning, connect the
evaporator water inlet port to an acid solution reservoir tank. Dispose
of all back flush fluid according to local codes.
4. The cleaning fluid source should have at least 20 psi available. If
acid cleaning, follow the instructions supplied with the acid solution
carefully.
5. When the procedure is complete, reinstall all water lines to original
factory orientation. Restart the unit and check for proper operation.
6. Note: This procedure is not normal maintenance. Maintaining proper
water quality and filtration will minimize the need to back flush the
evaporator.
BRAZED PLATE HEAT EXCHANGER
(EVAPORATOR)
FREON OUT
FREON IN
ORIGINAL WATER OUT PORT
BACKFLUSH WATER IN PORT
(SUPPLY BACKFLUSHING WATER
FLOW TO THIS PORT)
ORIGINAL WATER IN PORT
BACKFLUSH WATER OUT PORT
(ROUTE WATER TO PROPER
SEWER OR DRAIN CONTAINER)