14
098-0003 Rev. B
5.1
WINTERIZATION
Step 1
–
Disconnect all Power sources.
Filter housings- Open the sample ports to all filter housings in the system (i.e. RO prefilter,
Wall Mount DI, Endotoxin filters) to relieve water pressure. Open filter housings, remove
filters cartridges and discard cartridges. Undo any plumbing connections to the filter housing
that will not allow water to freely drain from the fitting.
Step 2
–
Drain water from system. Open all plugs. Disconnect all joints. Save all plugs and O-rings /
gaskets. (Fig. 5.1)
Step 3
–
Gages
– Because gages are liquid filled. Remove from RO, Storage Tank and from
Endotoxin Filter. Store in an area above 34 degrees F. Gages are located on face plate of the
RO and top of the Pre filter housing, Return on the Storage Tank and the inlet and outlet of
Endotoxin filter. (Fig. 5.1)
Step 4
–
Membranes
– Remove membranes from housings and discard. Disconnect joints to
membrane. Remove all water pooling in any joints. Remove any connection that will not allow
water to free flow out of it. Uncouple the product line and drain all water. Remove any fitting
that will not allow water to flow freely out of it. (Fig. 5.1)
Step 5
–
RO Pump Assembly
– Disconnect all fitting to the pump assembly. Allow pump housing to
completely drain.
Step 6
–
Demand pump
– MQ pump. Remove drain cock on the MQ pump and allow to drain.
Step 7
–
Wall Mount DI
– Open DI housings, remove DI cartridges and discard cartridges. Completely
drain housings. Once housings are drained, put housing O-rings in housing bowl.
