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Navien CH-180, User'S Operation Manual

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Navien CH-180 User'S Operation Manual Download Page 27

Supply water pressure setting

Please follow the this procedure if setting up supply water pressure is needed

Please turn off the power of Remote 
Controller by pressing ON/OFF button.

If the heating button is pressed for 3 
seconds, “PS” is displayed inside the 
clock and desired supply water 
pressure is flickered where temperature 
was displayed.

At this time, rotate dial to select desired 
supply water pressure, which shall be in 
the range of 12 and 25.

“Program” button to complete setting. If 
setting is completed Remote Controller 
return “OFF” state.

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Summary of Contents for CH-180

Page 1: ......

Page 2: ...p Setting Options 19 Supply Temp Setting Options 20 K Factor Options 20 Program 24th Timer 21 Stand By 22 Lock 22 Heat Capacity Control 23 Capacity Control of the Whole 24 Setting up the Way of Contro...

Page 3: ...hich if not avoided could result in injury or death Indicates an imminent hazardous situation which if not avoided may result in minor or moderate injury Used whitout the safety alert symbol indicates...

Page 4: ...mended in this manual All other servicing should be referred to an Authorized Service Technician Make certain power to the Combination boiler is turned OFF before attempting to make any repairs to you...

Page 5: ...er warnings and instructions If User s operation manual is missing contact the retailer or manufacturer DO NOT place flammable liquids such as oils or gasoline etc near the combination boiler DO NOT p...

Page 6: ...d up of carbon monoxide CO Breathing carbon monoxide can cause brain damage or death Read and follow the above instructions carefully If you do not follow these instructions exactly a fire or an explo...

Page 7: ...ensed plumber or the local plumbing authority for further information This Navien Combination boiler is factory set at 120 F 49 C for your safety and comfort Increasing the set temperature increases t...

Page 8: ...utomatically cut off An error code will appear on the room Refer to troubleshooting guide for further information Abrupt noisy startups and backfires are prevented by soft ignition a trademark of our...

Page 9: ...ion boiler is designed to maintain a safe air and gas ratio and combustion rate This function is continuously monitored by the combination boiler s air ratio control module Should the thermostat fail...

Page 10: ...ERIODS EFFECTIVE DATE Period of Coverage Heat Exchanger All other Parts and Components 10 years 5 years Proof of purchase is required to obtain warranty service You can show proof of purchase with dat...

Page 11: ...the all failures caused by conversion from natural gas to LP gas or LP gas to natural gas or attempt to operate with a type of gas not specified for the combination boiler Damages malfunctions or fai...

Page 12: ...onnection Auto Feeder Connection DHW Cold Water Inlet Connection Condensate Water outlet Space Heating Return Connection DHW How Water Outlet Connection Space Heating Supply Connection Pump Drain Plug...

Page 13: ...LED indicator Bumers on Flashing red LED indicator Error Hesting Heating mode selection Supply Return Power Press the ON OFF button Program Timer setting for 24 hour clock setting Center Dial Tempera...

Page 14: ...LCD Display Icons...

Page 15: ...splay In this status any heating mode DHW are disabled Press and hold Program button for 3 seconds the minutes blink on the timer Use the center dial to move around the minutes and tap the Program but...

Page 16: ...ickers turn the dial to set desire hot water temperature After a few seconds the desire temperature is saved and get back to the previous function Press and hold DHW for 3 seconds hot water icon flick...

Page 17: ...l to move the cursor around Tap the Heating button to enable solid or disable blank the specified time frame After setting the timer press and hold Stand By and Program buttons simultaneously for 3 se...

Page 18: ...emperature heating icon is blinking use the center dial to set the desired temperature between 50 100 Leave alone and the display will automatically set Tap Heating until room temperature heating icon...

Page 19: ...automatically set Depending on the setting temperature the ASA Control automatically controls the heating operation And the green LED indicator will turn on Tap Heating and when Return temperature he...

Page 20: ...is blinking use the center dial to set the desired temperature between 105 185 Leave alone and the display will automatically set Tap Heating until K Factor icon appears Leave alone and the display w...

Page 21: ...solid or disable blank the specified time frame When a block is solid the unit is enabled for that time frame After setting the timer to the desired time frames leave the remote alone and the display...

Page 22: ...ill disappear and the display will return to its original state This feature is a safety feature to prevent children from altering the settings which may in turn lead to harmful activity by the unit T...

Page 23: ...the remote Controller off press and hold the DHW and Stand By button simultaneously for 3 seconds The black cursor should make 1 revolution around the clock and the heat capacity will be displayed on...

Page 24: ...Y CON TROL mode Please follow this procedure if restricting heat capacity is needed At this time press the DHW and Heating button simultaneously for 3 seconds Then the clock rotates clockwise and the...

Page 25: ...power of Remote Controller by pressing ON OFF button If the program and heating button are pressed simultaneously for 3 seconds supply water or return water heating icon flickers At this time if the...

Page 26: ...ton is pressed for 3 seconds IL P is displayed inside the clock and C or S is flickered where the temperature is displayed C means there is no WELL PUMP If the Well Pump setting needs to be changed pr...

Page 27: ...on If the heating button is pressed for 3 seconds PS is displayed inside the clock and desired supply water pressure is flickered where temperature was displayed At this time rotate dial to select des...

Page 28: ...essing ON OFF button Press and hold DHW Stand By and Program buttons simultaneously for 3 seconds When number of operation is blinking on display panel rotate dial to select the number of units to set...

Page 29: ...FF button Press and hold DHW Stand By and Heating buttons simultaneously for 3 seconds When the current setting state C disable S enable is blinking Press Heating button to change its setting value Pr...

Page 30: ...n some cases this thermostat may not be suitable for multi system applications The installing contractor will make this determination and install suitable alternative controls Primary Heat Exchanger S...

Page 31: ...can provide hot water on demand The Navien Combination boiler only produces Hot Water only when you use it Primary Heat Exchanger Secondary Heat Exchanger Main Gas Valve Flow Sensor DHW Heat Exchange...

Page 32: ...ff To prevent burns wait until the equipment has cooled down before inspecting or servicing CAUTION Wipe the outside surface with a damp cloth Use a mild detergent non acidic non abrasive cleanser to...

Page 33: ...ter supply valve on the inlet to the unit If there is no valve turn off the water supply at the water meter 4 Open the pump drain coke on the pump and allow the water to drain 5 Open the pump drain co...

Page 34: ...the water meter slowly Inspect and make sure there is no water leaking The combination boiler has an automatic feeder to fill water to the space heating side It will fill automatically and stop Pleas...

Page 35: ...will need to prepare a bucket to collect some of the draining water 1 Turn off the power to the unit 2 Close the water supply valve on the inlet to the unit 3 Twist and remove the DHW cold water inle...

Page 36: ...ing performance by filtering impurities from the system When heating performance is decreased clean the filter by removing clip Removing filter washing out and re inserting the filter Replace the clip...

Page 37: ...the filter from the bottom of the intake air duct Remove the Air Intake filter from the plastic assembly and clean it with a toothbrush and water Re fit the screen into the plastic assembly and fit th...

Page 38: ...sired setting The outdoor reset control operation K Factor when enabled by connecting to the Navien CH unit can ensure that the system does not waste heat by exceeding current heat loss requirements p...

Page 39: ...This Direct Vent type installation will minimize any air movement within the unit 1 Do not unplug the electric power supply cord 2 Insulate incoming and outgoing pipes to prevent freezing during cold...

Page 40: ...water filter clean Is the unit display flash ing an error code Is the unit frozen Make sure the shut off valves on the hot and cold pipes are open Check if there is any error code flashing on the remo...

Page 41: ...red to run When the unit is heating for DHW the heating side does not work there is a standby time between switching form DHW and heating 3 min Clean out filters that belong to the heating side When t...

Page 42: ...urn off the system 2 Turn the unit back on 1 Check to see if the main gas supply valve is open 2 Check that the power is ON 3 Check the igniter for spark part 18 1 Ensure ground wire is connected 2 Ch...

Page 43: ...nplug and re plug the electric supply or if a remote controller is installed press the power button of the remote controller OFF then ON 1 Check power supply 2 Check the power switch 1 Turn OFF the sy...

Page 44: ...Memo...

Page 45: ...Memo...

Page 46: ...Memo 46...

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Page 48: ...Memo 48...

Page 49: ...Memo 49...

Page 50: ...Memo 50...

Page 51: ...website www navienamerica com or contact to the Navien America Inc Service Department Model and serial number of the Combination Boiler as shown on the rating plate located on the left side of unit A...

Page 52: ......

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