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Winterizing Iron Curtain
Systems (Optional)
In certain climates where houses and/or cottages are not
heated during the winter months, Iron Curtain Systems must
have the water removed from them to protect from damage
due to freezing. Following are instructions for “winterizing”
Iron Curtain Systems.
Prior to draining water distributor system and Iron
Curtain System, manually initiate regeneration of Iron
Curtain System (see page 10) and allow system to com-
plete regeneration and return to service position auto-
matically.
Draining of the Iron Curtain System should be done in
conjunction with or after the complete water distribution
system is drained to prevent water from entering the Iron
Curtain System after it has been winterized. After Iron Curtain
System and water distribution system are drained, make
sure all water shut-off valves are open.
Instructions for winterizing Iron Curtain Systems:
1. After water distribution system is drained, place Iron
Curtain System on bypass. (See Figures 1, 2 & 3 on page 8)
2. Manually advance the timer to rapid rinse position. (See
page 10) Unplug power cord.
3. After pressure is relieved, disconnect white air recharge
line from aeration head.
4. With an air compressor, blow air through white air re-
charge fitting in aeration head until air with little or no
water discharges to drain.
Caution: Use only enough air pressure to force water
in tank to discharge. Do not exceed 30 psi.
5. It is recommended at this point to disconnect the inlet/
outlet of aeration tank and remove the aeration head
assembly. Dump remaining water. If aeration head
assembly has a buildup of iron bacteria, the well should
be shock treated with chlorine when the water system is
reactivated. Consult your local dealer for more information
regarding shock treating the well. Clean aeration head
assembly of any buildup and reassemble aeration tank.
6. Plug in power cord and manually advance the timer to
service position and allow control valve to reset to service
position. Manually advance timer to backwash position,
then to air recharge position. (See pages 10) Unplug
power cord.
7. Open inlet & outlet shut-off valves. Leave bypass valve
open.
8. System is now winterized.
9. When turning system back on, follow start up instructions
on page 6.
Instructions for Iron Curtain Systems with filter tank
equipped with optional bottom drain assembly:
1. After water distribution system is drained, place Iron
Curtain System on bypass. (See Figures 1, 2 & 3 page 8)
Unplug power cord.
2. Open the bottom drain valve on the Iron Curtain filter tank
and allow water to drain out. You may want to connect a
garden hose to drain valve and run to appropriate drain.
Leave drain valve open.
3. After pressure is relieved, disconnect white air recharge
line from aeration head.
4. With an air compressor, blow air through white air
recharge fitting in aeration head until air with little or no
water discharges from drain valve.
Caution: Use only enough air pressure to force water
in tank to discharge. Do not exceed 30 psi.
5A. If aeration tank IS NOT equipped with optional
bottom drain: It is recommended at this point to disconnect
the inlet/outlet of aeration tank and remove the aeration
head assembly. Dump remaining water. If aeration head
assembly has a buildup of iron bacteria, the well should
be shock treated with chlorine when the water system is
reactivated. Consult your local dealer for more informa-
tion regarding shock treating well. Clean aeration head
assembly of any buildup and reassemble aeration tank.
5B. If aeration tank IS equipped with optional bottom
drain: Open the bottom drain valve on the Iron Curtain
aeration tank and allow water to drain out. You may want
to connect a garden hose to drain valve and run to an
appropriate drain. Leave drain valve open.
6. Plug in power cord and manually advance timer to
backwash position, then to air recharge position. (See
page 10) Unplug power cord.
7. Open inlet and outlet shut-off valves. Leave bypass valve
open.
8. System is now winterized.
9. When turning system back on, follow start up instructions
on page 6. Note: The bottom drain valve on Iron Curtain
aeration tank and filter tank must be closed prior to start up.
CAUTION: Always be certain that the distribution piping,
including but not limited to, the bypass piping arrangement
typically just above the Iron Curtain System does not trap
water that may consequently drain into the filter after the filter
draining procedure is complete and all pressure is relieved.
If optional drain valve(s) are used, it is suggested they be left
open.