AvantaPure 269 Specifikace stáhnout pdf (Strana 14)

volume capacity of the system. It also uses a reserve value to

determine if a regeneration is necessary. If the water usage since

the last regeneration is greater than the system capacity minus the

reserve, a regeneration is needed.

Note: If the water usage exceeds 150% of the system capacity

between regenerations, the control will automatically call for a

second regeneration the next day even if no water is used. This

feature is included to make sure that an exhausted resin bed is

completely recharged.

Reserve Options

There are two types of reserve options for this control: xed reserve

and historical water usage pattern. They are selected with Parameter

P15.

Fixed Reserve

When the xed reserve is selected, the control multiplies the

maximum system capacity by the percent value set in Parameter

P16 and uses the result as a reserve.

Water Usage Pattern

The other reserve option allows the control to adjust the reserve

based upon the historical water usage pattern of the system. The

control keeps track of the water usage for each day of the week

and uses that day’s average usage multiplied by 1.2 as the reserve

for that day. Every day at the Time of Regeneration, the control

recalculates the day’s average water usage. If less than 10% of a

day’s average water usage is used, the control will not change the

day’s average. If more than twice the day’s average is used, the

control uses the actual usage in the reserve calculation.

Since a new installation has no history of water usage, the control

multiplies the percent of capacity value set in Parameter P16 by the

total system capacity to determine starting average for each day of

the week. The factory set default value for P16 is 30 which means

that 30% of the total system capacity is used for the starting average

for each day.

Program Parameter P15 is also used to select whether the control

waits until the Time of Regeneration set in Parameter P2 to start

a regeneration, or if the control should begin a regeneration

immediately when the capacity remaining is less than the reserve.

Removing the Valve Assembly for Servicing

1. Unplug the power cord.

2. Shut off water supply or put bypass valve(s) into bypass

position.

3. Remove cover and with screwdriver, relieve tank pressure by

pushing open valve No. 7 (rear apper) on control as shown

(Figure 8).

Figure 8

4. When used with a globe valve bypass, loosen and detach

the inlet, outlet, brine and drain lines from the valve. If

using the 1265 bypass, loosen and remove valve from

bypass as well as loosening and removing the brine and

drain lines.

5. Unscrew (counterclockwise) and remove valve from tank.

6. To replace the control valve, reverse the above procedure

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