Noritz EZ111DV, Руководство пользователя

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Hot Water Service Valve
Pressure Relief Valve
Cold Water Service Valve
Water Inlet Water Outlet
Drain
* Isolation valves may be purchased as an
accessory from an authorized Noritz wholesaler.
They allow for full diagnostic testing and easy
flushing of the system.
* The kit includes two full port isolation valves
and a pressure relief valve for the hot side.
Contact Noritz for more information.
Isolation Valves
Water Quality and Maintenance
For people who live in a hard water area, periodic flushing is necessary.
If the Heat Exchanger is not flushed, the Scale Build-up may cause damage to the Heat Exchanger.
To prevent damage to the Heat Exchanger, the Heat Exchanger regularly needs to be flushed.
This water heater is equipped with an automatic service reminder to announce for flushing the Heat Exchanger.
The factory default of this service reminder is OFF. The customer or installer needs to set the service
reminder to ON or OFF. Refer to the “How to select the Service Reminder” in the installation Manual.
If the service reminder is selected to ON, the code “C1#*” will displayed on the remote controller
after the set time period has been reached. When the code is displayed, the Heat Exchanger needs
to be flushed to prevent damage from Scale Build-up.
Refer to the “Procedure for flushing the Heat Exchanger” in the Installation Manual or contact Noritz
America for more information. (http://support.noritz.com/ or 866-766-7489)
* # =1, 2, 3, 4 ... 9
When the code “C1#” is displayed, refer to the “How to select the Service Reminder” in the Installation Manual.
Total Hardness** : 200 mg/L (12 gpg) or less
Aluminum : 0.05 to 0.2 mg/L or less
Chloride : 250 mg/L or less
Copper : 1 mg/L or less
Iron : 0.3 mg/L or less
Manganese : 0.05 mg/L or less
** Maximum limit suggested by Noritz.
pH : 6.5 - 8.5
Total Dissolved Solids : 500 mg/L or less
Zinc : 5 mg/L or less
Sulfate ion : 250 mg/L or less
Residual chlorine : 4 mg/L or less
Damage to the water heater as a result of below is not covered by the Noritz America Limited Warranty.
To ensure full warranty coverage, treat or condition water that exceeds the target levels provided in this table.
- Hard water
- Poor water quality (See the below list.)
- The water heater has displayed a “C1# “ (Service Reminder) indicating Scale Build-up, but the heat
exchanger has not been flushed.
Source: EPA National Secondary Drinking Water Regulations (40 CFR Part 143.3)