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7. INSPECTION AND MAINTENANCE
Replacement of Ion-exchange Resin Cartridge
See "6. Connect ion-exchange resin cartridge (CPC-S) securely." (P.23) for replacement procedure.
Alarm will be automatically released when replacement completes. See "Reset after Consumables
Replacement" (P.44) for the procedure for resetting the total water flow time of consumables.
・
Long term storage of the cartridge will compromise the performance of the cartridge, leading to
degraded water quality and treatment capacity. Preparing (requesting for) the cartridge right before
replacement is, therefore, recommended. The standard storage period is about four months.
・
Dispose of the replaced cartridges according to the local laws and regulations.
・
Yamato Scientific Co., Ltd. promotes proper collection and recycle for environmental preservation.
・
When replacing ion-exchange resin cartridges (CPC-S), drain about five liters of water to remove the
initial impurities and to bleed air. In doing so, release all the air in the resin until the water comes to
flow without intermission.
Pre-treatment Cartridge Replacement
See "7. Connect pre-treatment cartridge securely." (P.24) for replacement procedure. See "Reset after
Consumables Replacement" (P.44) for the procedure for resetting the alarm after replacement.
Note that continuing to use the cartridge without replacement may shorten the life span of
ion-exchange resin cartridge.
・
Dispose of the replaced cartridges according to the local laws and regulations.
・
Yamato Scientific Co., Ltd. promotes proper collection and recycle for environmental preservation.
Heater Replacement Procedure
●
If heater is disconnected or damaged due to scale build-up, replace heater according to the
following procedure.
1. Turn OFF (
○
) ELB.
2. Close the water tap.
3. Leave unit at least 30 minutes to cool boiler down, and open front door and turn on boiler drain
cock.
4. Open the left side panel of main unit, and loosen four screws on the right side of the terminal
block, and pull out the heater lead wire terminals.
5. Pull out the heater lead wire from the grommet.
6. Remove the cap nut of heater and pull out heater.
7. Remove the gasket and cap nut from damaged heater.
8. Put gasket and cap nut on new heater.
Use caution not to touch heater with bare hands, in order to prevent heater from being soiled by
handling.
9. Install heater into boiler so that the letter "YK-W-5" turns up. *
* YK-W-4 for WG1001
YK-W-5
Gasket