Noritz NH199-DV Installation And Instruction Manual

Also see for NH150-DV: User's information manual

Contents

2916. Other SettingsManual Pump Operation ProcedureUse this procedure when bleeding air out of the system or when confirming proper operation of the pump(s).1. Set the Power on/off button to the off position.2. To circulate Priority 1, press and hold in the PRIORITY 1 switch for at least 5 seconds.To circulate Priority 2, press and hold in the PRIORITY 2 switch for at least 5 seconds.3. "P" flashes on the display and "of" lights.4. "of" turns to "on" when the circulation flow rate reaches above the flow rate at which the water flowswitch turns on.5. The pump stops either when the corresponding PRIORITY switch is pressed again or after 4 hours.The pump also stops if the Power on/off button is set to the on position.* The pump turns off if the water flow switch does not turn on after 5 minutes.Set the flow rate as described on page 17.Changing Other FeaturesNote:- Set the Power on/off button to the off position when changing the settings.The settings cannot be changed unless the boiler is turned off on the operation panel before dis-connecting power.- Change the settings within 10 minutes of reconnecting power to the boiler.- If the temperature display is set to the Fahrenheit mode, item number "1" is not displayed; "180" isdisplayed instead.- Settings cannot be changed during manual pump operation mode.- Item number 1 (Priority 1 maximum temperature setting) alone can be set at any time.Table of Setting ItemsItem No. Item Choices (factory defaults shaded) Remarks1 Priority 1 maximumtemperature setting.140 to 170°F (5°F steps)176 ,180°F(180°F by factory default)60 to 80°C (5°C steps)83°C.When item no. 13 is set to "oF", item no. 1 is not displayed.Because the display is set to the Fahrenheit mode byfactory default, "180" °F is displayed for item 1.12 Celsius/Fahrenheitdisplay mode.°F (Fahrenheit) °C (Celsius)13 Priority 1 operation setting. on (on) oF (off)Priority 2 operation setting.14 on (on) oF (off)When set to "oF", Priority 1 does not operate.When set to "oF", Priority 2 does not operate.Freeze prevention function.15 1 (combustion on/pump circulation on)2 (combustion off/pump circulation on)3 (combustion off/pump circulation off)Displayed temperatureselection.16 1 (set temperature)When using anti-freeze, it is recommended you change this setting to "3".2 (circulation temperature) When changed to 2, the circulation temperature is displayed.Display Power switchUser setting switchPriority 1Priority 2Temperature adjustment switchesSetting Procedure1. Set the Power on/off button to the off position.2. Disconnect, then reconnect power to the boiler.3. Press the user setting switch (SET) and hold it in for 2 seconds or more.4. Press the user setting switch (SET) to select the number of the item to be changed.5. Use the and temperature adjustment switches to change the selected item.6. Once all settings are finished, set the Power on/off button to the on position to validate the settings.Operation Panel