4
WINTERIZA
TION
IMPORTANT:
Improper winter lay up is a major cause of failure.
WARNING:
Do not use anti-freeze of any kind to winterize
the PURASAN EX system.
Treatment Unit and Tablet Dispenser
1. Turn off water supply to the toilet and flush
toilet as dry as possible.
Note: Check toilet manufacturer’s instructions
to ensure no damage is done to any com
-
ponents.
2. Activate PURASAN EX several times using
start/stop button to empty holding tank.
3. If drain or flushing fittings are installed in
plumbing, Flush entire system with fresh
water.
4. Shut off water valve feeding Control Mod
-
ule.
5. Press EMPTY button to drain out all water
from Tablet Dispenser and tubing.
6. Turn off power and disconnect wires from
Purasan EX Control Module.
7. Remove water connection to Control Mod
-
ule and drain tube.
8. Close seacocks.
9. Slowly open crossover plug (#25 page 12)
Caution: If Treatment Unit is the lowest part of
the system, water will spill out. Review plumb
-
ing carefully before slowly opening plug.
10. Using a pump and 3/8” tube, remove water
from each side of partition in Treatment Unit
through crossover plug.
11. Disconnect and drain waste hoses.
12. Proceed to toilet winterization by following
instructions for that particular toilet.
Winterizing the Toilet
- Follow the instructions
in the Owner’s Manual for that particular toilet.
Recommissioning
IMPORTANT:
• Do not open shut-off valve feeding control module
until Treatment Tank is full.
• Do not operate
PURASAN
®
EX
until Treatment
Unit is filled with water.
Treatment Tank
1. Reconnect waste hoses and open seacocks.
2. Reconnect wires to control module
NOTE: Purasan Treatment Unit must be full before
activating a cycle.
3. Fill the Treatment Unit: Remove crossover plug
from Treatment Unit and fill with a minimum of
three gallons of water. Replace crossover plug and
o-ring.
4. Turn on power
5. Open water valve feeding control module.
6. Priming: Press and hold “FILL” button until water
reaches to the water line on the Tablet Dispenser.
Press and hold “EMPTY” button until
Tablet Dispenser and 3/8” tube to Treatment Unit
is empty.
7. Operate the system. Check water level in the car
-
tridge and make sure water is rising to the mark.
If starting for first time or if water does not rise to
the mark, see instruction in Programming section
to adjust timing.
8. Check for leaks.
ANTIFREEZE WARNING -
If Antifreeze is used to winterize toilet, it must be
removed prior to connecting hoses to the Treatment
Tank. It MUST not pass through the Treatment Unit.
Winterization of Holding tank
Use anti-freeze only if there is a way to pump out
contents of holding tank without flushing into purasan
treatment tank during recommissioning, else drain or
pump out contents of the tank.
WINTERIZATION
L519 _0919jlc
