Part Number 020002365 08/25/2015 43
Section 4
Maintenance
Back-Flow Preventer Maintenance
The integral carbonator in this unit is equipped with a
back-flow preventer designed to protect the potable water
supply from CO
2
contamination.
Important
The back-flow preventer must be checked at least once
every year to confirm that it is functioning properly.
1. Shut OFF power to unit.
2. Shut OFF potable water supply to unit. Do not shut OFF
CO
2
supply.
3. Remove top cover panel of unit and disconnect inlet
fitting from back-flow preventer.
4. The carbonator tank is still pressurized.
5. Observe inlet of back-flow preventer #1 check for any
discharge. If there is no discharge, #1 check is OK.
Proceed to step 5. If there is discharge, proceed to step
6.
6. Observe inlet of #2 check for any discharge. If there is
no discharge, #2 check is OK. Proceed to step 7. If there
is discharge, proceed to step 6.
7. Shut OFF CO
2
supply and relieve pressure from
carbonator tank.
8. Remove back-flow preventer and install new back-flow
preventer. Turn ON CO
2
supply and check for leaks.
9. Check water supply strainer upstream of back-flow
preventer. Clean out and/or replace as required.
10. Reconnect water lines and turn water supply ON.
11. Turn ON power to unit.
Shipping, Storage and Relocation
,
Caution
Before shipping, storing, or relocating this unit, syrup
systems must be sanitized. After sanitizing, all liquids
(sanitizing solution and water) must be purged from the
unit. A freezing environment causes residual sanitizing
solution or water remaining inside the unit to freeze,
resulting in damage to internal components.
Содержание Multiplex 42 MR04
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