Use and Care Manual

68
Cleaning the CH and DHW Inlet Filters (Draining the Appliance)
1. Place a bucket under the appliance to collect the residual water inside the appliance.
2. Press the Power button on the control panel to turn off the electrical power to the appliance. Then turn off the gas valve.
3. Valve off the appliance from the system. If the appliance cannot be isolated from the system, turn off the main water valve.
4. Open the hot water faucets in the system to aid in draining the system.
5. Remove the DHW inlet lter. Then clean it with a toothbrush and clean running water. See Figure 45.
6. Reinstall the DHW inlet lter.
7. Purge air from the DHW lines by opening a hot water faucet in the system. When water ows freely, all air is purged.
8. Repeat the process on the CH inlet lter on the appliance.
9. Reinsert the lter and ensure the lter cap is securely tightened.
10. Connect electrical power to the appliance.
11. Restore water service to the appliance by opening the isolation valves, or turning on the main water valve.
12. Turn on the gas valve. Turn on electrical power to the appliance and press the Power button to turn the appliance on.
WARNING
Water drained from the appliance could be scalding hot. Wait for the appliance to cool before removing the CH or DHW inlet lters. Failure to do so could result in
property damage, personal injury, or death.
Figure 45 – Cleaning the Inlet Filter
G
CH RETURN FILTER
DHW INLET FILTER
G
CH RETURN FILTER
DHW INLET FILTER
G
CH RETURN FILTER
DHW INLET FILTER