Navien CH-180 ASME User's Operation Manual
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Navien CH-180 ASME User's Operation Manual

Gas combination boiler
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  • Page 2: Table Of Contents

    Danger – Compromised Venting System Danger – Hot Water Temperature Setting Personal Safety Equipment Protection and Personal Safety Warranty Navien Warranty Navien America, Inc. Limited Warranty Operating Instructions General Parts Remote Controller LCD Display Icons Remote Controller On/Off Setting the Clock Hot Water Temp.

  • Page 3: Safety Instructions

    Safety Instructions Safety-related information and instructions have been provided in this manual and on the Navien combination boiler to warn any person(s) of potential hazards. Read and follow all safety information and instructions throughout this manual. It is very important to understand the safety instructions before installing, operating or servicing Navien combination boilers.

  • Page 4: Warning Safety Precautions

    DO NOT turn on the Combination boiler if cold water supply shut-off valve is closed. DO NOT use this Navien Combination boiler for other than its intended purpose as described in this manual. DO NOT attempt to repair or replace any part of your combination boiler unless it is specifically recommended in this manual.

  • Page 5: Danger

    Safety Instructions DANGER Vapors from flammable Combination boiler has a main liquids will explode and burner flame: catch fire causing death or severe burns. 1. Which can come on at any Do not use or store flammable time ; and products such as gasoline, 2.

  • Page 6: Danger What To Do If You Smell Gas

    Safety Instructions DANGER WHAT TO DO IF YOU SMELL GAS If you do not follow these instructions exactly, a fire or an explosion may result causing property damage, personal injury or loss of life. DO NOT OPERATE THE COMBINATION BOILER. DO NOT OPERATE ANY FAUCET.

  • Page 7: Danger Hot Water Temperature Setting

    Safety Instructions DANGER HOT WATER TEMPERATURE SETTING This Navien Combination boiler is factory set at 120°F (49°C) for your safety and comfort. Increasing the set temperature increases the risk of accidental scalding. Consult the chart below before you decide to adjust the set temperature.

  • Page 8: Equipment Protection And Personal Safety

    Equipment Protection and Personal Safety 1. Ignition Failure If the ignition fails, the gas supply is automatically cut off. An error code will appear as a flashing 2-digit code on the room thermostat. The error codes are discussed in the troubleshooting section of the operation manual.
  • Page 9 Equipment Protection and Personal Safety 9. Freeze Protection During the heating season, a sensor inside the combination boiler will automatically detect and initiate a safety heating cycle to prevent internal equipment damage from occurring freezing temperature exist. Note ! When there is no gas supply available, the circulation pump will automatically start up to guard the pipes from freezing.

  • Page 10: Navien Warranty

    Applicable Warranty Period. At its option, Navien will replace the defective component part(s), in accordance with the terms of this Limited Warranty, if it fails in normal use and service during the Applicable Warranty Period.

  • Page 11: Navien America, Inc. Limited Warranty

    (1) year from the Effective Date. The payment and amount of any payment are subject to approval at Naiven’s sole discretion. The Labor Allowance will be paid based on Navien’s Schedule of Labor Allowances. TRANSFERABILITY This warranty is offered to the original and subsequent owners of the combination boiler but is limited to the original address registered with the warranty only.

  • Page 12: General Parts

    Condensate Water Water Inlet Filter outlet Pump Drain Plug Gas Connection Space Heating Strainer Auto Feeder Connection Space Heating Supply Connection DHW Cold Water Inlet Connection Space Heating DHW How Water Return Connection Outlet Connection...

  • Page 13: Remote Controller

    Remote Controller LCD Display LED Indicator Indicates functions and Flashing green LED current status indicator - Bumers on Flashing red LED indicator - Error Hesting Center Dial Temperature & timer Heating mode selection [Supply/Return] adjustment Power Domestic Hot Water Press the “ON/OFF” Set up button Stand By...

  • Page 14: Lcd Display Icons

    LCD Display Icons...

  • Page 15: Remote Controller On/Off

    Remote Controller ON / OFF Press the ON/OFF button to turn the When the ON/OFF button is pressed, LCD on and off. the LCD display switches to only a clock display. In this status any heating mode & DHW are disabled. Setting the Clock Press and hold “Program”...

  • Page 16: Hot Water Temp. Setting

    Hot Water Temperature Setting If the DHW button is pressed, ‘hot When the ‘hot water’ icon flickers turn the water’ icon flickers and temperature of dial to set desire hot water temperature. hot water (86~120 ) is displayed. After a few seconds, the desire If temperature over 120 is needed, temperature is saved and get back to...

  • Page 17: Pre-Heating Setting

    Pre-heating Setting Please turn off the power of Remote Press and hold the “Stand By” and Controller pressing ON/OFF button. “Program” buttons simultaneously for 3 seconds. When the “Clock” is flashing with the After setting the timer, press and hold cursor “■”use the center dial to move “Stand By”...

  • Page 18: Room Temp. Setting (Options)

    Room Temperature Setting (Options) Tap “Heating” until “room temperature Tap “Heating” and when “room heating” icon appears. Leave alone temperature heating” icon is blinking and the display will automatically set. use the center dial to set the desired temperature between 50~100 . Leave alone and the display will automatically set.

  • Page 19: Return Temp. Setting (Options)

    Return Temperature Control (Options) Tap the “HEATING” button until the Tap “Heating” and when “Return “Return temperature heating” icon temperature heating” icon is blinking appears. Leave alone and the display use the center dial to set the desired will automatically set. temperature between 90~140 .

  • Page 20: Supply Temp. Setting (Options)

    Supply temperature Control (Option) Tap “Heating” until “Supply temperature Tap “Heating” and when “Supply heating” icon appears. Leave alone and temperature heating” icon is blinking the display will automatically set. use the center dial to set the desired temperature between 105~185 . Leave alone and the display will automatically set.

  • Page 21: Program (24Th Timer)

    PROGRAM(24h timer) Setting for Space Heating Tap the “PROGRAM” button to set the When the “clock” is flashing with the “24 hour” timer. cursor, “■”use the center dial to move the cursor around. Tap the “HEATING” button to enable After setting the timer to the desired (solid) or disable (blank) the specified time frames, leave the remote alone time frame.

  • Page 22: Stand By

    STAND BY When the need for heat is not needed, the unit will set itself to operate in “stand by” mode. To Enable: Tap “STAND BY” and the To Disable: Tap “STAND BY” and the “stand by” icon will appear. “stand by”...

  • Page 23: Heat Capacity Control

    Heat Capacity Control When the heating capacity is small, the desired heat capacity can be controlled by the use of the remote controller. Tap “ON/OFF” to turn off the power of With the remote Controller off, press the remote controller. and hold the “DHW”...

  • Page 24: Capacity Control Of The Whole

    Capacity Control of The Whole Please follow this procedure if restricting heat capacity is needed Please turn off the power of Remote At this time, press the DHW and Heating Controller by pressing ON/OFF button. button simultaneously for 3 seconds. It the DHW and Stand By buttons are Then the clock rotates clockwise and pressed simultaneously, the system...

  • Page 25: Setting Up The Way Of Control Of Hot Water

    Setting up the way of control of hot water Select which one will be used to control hot water temperature, supply water tem- perature or return water temperature. Please turn off the power of Remote If the program and heating button are Controller by pressing ON/OFF button.

  • Page 26: Well Pump Setting

    Well pump setting User can select whether well pump will be used or not. Please turn off the power of Remote If the DHW button is pressed for 3 Controller by pressing ON/OFF button. seconds, “IL P” is displayed inside the clock and “C”...

  • Page 27: Supply Water Pressrue Setting

    Supply water pressure setting Please follow the this procedure if setting up supply water pressure is needed Please turn off the power of Remote If the heating button is pressed for 3 Controller by pressing ON/OFF button. seconds, “PS” is displayed inside the clock and desired supply water pressure is flickered where temperature was displayed.

  • Page 28: Function To Set The Number Of Initial Activating Boilers When Cascade Is Used

    Function to set the number of initial Activating boilers when cascade is used. Please turn off the power of Remote Press and hold “DHW”, “Stand By” and Controller by pressing ON/OFF button. “Program” buttons simultaneously for 3 seconds. When number of operation is blinking Press “Program”...

  • Page 29: Function To Set Pump Activating Boilers When Cascade Is Used

    Function to set pump activating boilers when cascade is used. Please turn off the power of Remote Press and hold “DHW”, “Stand By” and Controller by pressing ON/OFF button. “Heating” buttons simultaneously for 3 seconds. When current setting state Press “Program” button to complete (C-disable, S-enable) is blinking, Press setting.

  • Page 30: Combination Boiler : Heating

    Combination boiler: Heating (Mode) The space-heating water is controlled by the thermostat. Provided which that enables the user to either set the desired room temperature required or set the heating water temperature. In some cases this thermostat may not be suitable for multi-system applications (The installing contractor will make this determination and install suitable alternative controls).

  • Page 31: Combination Boiler : Dhw

    Combination boiler: DHW (Mode) The domestic hot water (DHW) is controlled by the user. Because the Navien Combination boiler is a multi-purpose design, it can provide hot water on demand. The Navien Combination boiler only produces Hot Water only when you use it.

  • Page 32: Cleaning The Combination Boiler

    Cleaning the Combination Boiler Regular Maintenance: Make sure the unit is OFF and the electrical power supply has been disconnected. The CAUTION combination boiler may remain very hot for several minutes after it is turned off. To prevent burns, wait until the equipment has cooled down before inspecting or servicing.

  • Page 33: Draining The Combination Boiler

    Draining the Combination boiler Draining the Combination boiler - Parts you need to know: Procedure to drain the combination boiler (figure below). You will need to prepare a bucket to collect some of the water to be drained. 1. Turn off the power to the unit. 2.

  • Page 34: Auto Feeder Of The Combination Boiler

    Auto feeder of the Combination boiler Make sure the pump drain plug and the DHW cold water inlet filter have been inserted and that the drain coke inside the unit are closed. Slowly open the water supply valve on the inlet to the unit. If there is no valve at the combination boiler, turn on the water supply at the water meter slowly.

  • Page 35: Cleaning The Inlet Water Filter

    Cleaning the Inlet Water Filter: Procedure to clean the DHW cold water inlet filter (figure below). You will need to prepare a bucket to collect some of the draining water. Turn off the power to the unit. Close the water supply valve on the inlet to the unit. Twist and remove the DHW cold water inlet filter.

  • Page 36: Cleaning The Space Heating Strainer

    Cleaning the Strainer Strainer : Increases heating 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: Cleaning The Intake Air Filter

    Cleaning the Intake Air Filter If an intake air filter is blocked by dust or pollen, the combination boiler will not operate and ‘Error code 10’ will be displayed. To prevent this from happening, please clean the air intake filter every 3~4 months by following the instructions below;...

  • Page 38: Optional Outdoor Temp. Sensor

    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, providing only the required fuel consumption, cerating loss pollution while saving you money.

  • Page 39: Freeze Protection

    Damage caused by freezing is NOT covered under Warranty Freezing damage will only occur if backdrafting is present caused by negative pressure within the building. This situation is not caused by the Navien Combination boiler and as such is not Navien’s responsibility. Navien will not warrant any damage due to freezing.

  • Page 40: Fnd Display

    If an ‘Error Code’ displays on the remote controller, follow the troubleshooting chart below before contacting your installer, service contractor or NAVIEN representative. Troubleshooting step #1 is to turn the unit OFF and then ON to reset the Navien combination boiler.
  • Page 41 Basic Troubleshooting and Frequently Asked Questions Problem Possible Cause(s) What to do Is the setting Use the center dial on the temperature remote controller to too low? raise the setting temperature. Make sure the power is on, Is there power to the and plugged in to the System, or is the outlet with the correct...

  • Page 42: Error Code Guide

    3. Check ground wire. 4. Check power supply. E013 Abnormal Pump Activity 1. Check the pump. 2. Replace the pump. If any of the above solutions do not resolve the problem with the combination boiler, contact Navien’s Technical department at 1-800-519-8794.
  • Page 43 Abnormal activity of the gas E035 1. Check gas line. pressure sensor Communication failure E036 1. Contact to Navien tech. dept. Water leak Inside unit E037 1. Close DHW cold water main. 2. Replace leaking parts. Abnormal the flow sensor.
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  • Page 51: Service

    Should you have any questions about this Navien Combination Boiler of if your Boiler requires adjustment, repair or routine maintenance, it is suggested that you first contact the original installer. In the event the firm is unabailable, please refer to the contractor locator section of the Navien website (www.navienamerica.com) or contact...

This manual is also suitable for:

Ch-210 asmeCh-240 asme

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