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  5. Operation Manual

Navien CH-180 Operation Manual

Manual is about: Combination Water Heater / Heating Boiler

Summary of CH-180

  • Page 1

    Gas water heater operation 3 - do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or other appliance. - what to do if you smell gas  do not try to light any appliance.  do not touch any electrical switch: do not use any phone in your building.  immediately ...

  • Page 2: Owner

    Navien gas water heater operation 4 █ owner ‟s operation manual - contents safety instructions safety related sysmbols ---------------------------- 3 warning – safety precautions ---------------------- 4 danger ---------------------------------------------------- 5 danger – what to do if you smell g...

  • Page 3: Safety Instructions

    Combination water heater operation 3 █ safety instructions safety-related information and instructions have been provided in this manual and on the navien combination water heater to warn any person(s) of potential hazards. Read and follow all safety information and instructions throughout this manu...

  • Page 4: Safety Instructions

    Combination water heater operation 4 █ safety instructions safety precautions read and understand this safety information before installing, operating or servicing this navien combination water heater. This manual must remain with the navien combination water heater.  have your installer show you t...

  • Page 5: Safety Instructions

    Combination water heater operation 5 █ safety instructions  do not place flammable liquids such as oils or gasoline, etc. Near the combination water heater.  do not place combustibles such as newspapers and laundry etc. Near the combination water heater or venting system.  do not place or use hai...

  • Page 6: Safety Instructions

    Combination water heater operation 6 █ safety instructions 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 water heater. Do not operate any faucet. Smell all around the combina...

  • Page 7: Safety Instructions

    Combination water heater operation 7 █ safety instructions this navien combination water heater 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 temperatur...

  • Page 8

    Combination water heater operation 8 █ 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 sectio...

  • Page 9

    Combination water heater operation 9 █ equipment protection and personal safety 9. Freeze protection during the heating season, a sensor inside the combination water heater will automatically detect and initiate a safety heating cycle to prevent internal equipment damage from occurring freezing temp...

  • Page 10: Navien Limited Warranty

    Combination water heater operation 10 █ navien limited warranty general navien america, inc. (navien) warrants this navien gas condensing combination water heater and its component parts to be free from defects in materials and workmanship, under normal use and service, for the applicable warranty p...

  • Page 11: Navien Limited Warranty

    Combination water heater operation 11 █ navien limited warranty labor allowance: the applicable period for this labor allowance for all combination water heater models is one (1) year from the effective date. The payment and amount of any payment are subject to approval at naiven‟s sole discretion. ...

  • Page 12: General Parts

    Combination water heater operation 12 █ general parts ` ch combination water heater operating instr uctions front cover indicator exhaust gas combustion air intake gas connection water supplement connection condensed water clean outlet cold water inlet connection hot water outlet connection heating ...

  • Page 13: Remote Controller

    Combination water heater operation 13 ██ remote controller operating instr uctions.

  • Page 14: Lcd Display Icons

    Combination water heater operation 14 █ lcd display icons timer display for 24 hour clock room temperature set clock space heating return water temperature temperature space heating supply temperature 24 hour heating timer indicator thermostat controlled heating lock hot water “ in use ” stand by ho...

  • Page 15: █ Setting The Clock

    Combination water heater operation 15 █ remote controller on / off press the on/off button to turn the lcd on and off. When the on/off button is pressed, 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

    Combination water heater operation 16 █ hot water temperature setting if the dhw button is pressed, „hot water ‟ icon flickers and temperature of hot water (86~120℉) is displayed. If temperature over 120℉ is needed, dhw and heating button shall be pressed simultaneously. Then user can adjust set tem...

  • Page 17: █ Pre-Heating Setting

    Combination water heater operation 17 █ pre-heating setting please turn off the power of remote controller pressing on/off button. Press and hold the “stand by” and “program” buttons simultaneously for 3 seconds. When the “clock” is flashing with the cursor “■”use the center dial to move the cursor ...

  • Page 18: Room Temperature Setting

    Combination water heater operation 18 █ room temperature setting (options) tap “heating” until “room temperature heating ” icon appears. Leave alone and the display will automatically set. Tap “heating” and when “room temperature heating ” icon is blinking use the center dial to set the desired temp...

  • Page 19: Return Temperature Control

    Combination water heater operation 19 █ return temperature control (options) tap the “heating” button until the “return temperature heating” icon appears. Leave alone and the display will automatically set. Tap “heating” and when “return temperature heating ” icon is blinking use the center dial to ...

  • Page 20: Supply Temperature Control

    Combination water heater operation 20 █ supply temperature control (option) tap “heating” until “supply temperature heating ” icon appears. Leave alone and the display will automatically set. Tap “heating” and when “supply temperature heating ” icon is blinking use the center dial to set the desired...

  • Page 21

    Combination water heater operation 21 █ program(24h timer) setting for space heating tap the “program” button to set the “24 hour” timer. When the “clock” is flashing with the cursor, “■”use the center dial to move the cursor around. Tap the “heating” button to enable (solid) or disable (blank) the ...

  • Page 22: Stand By

    Combination water heater operation 22 █ 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 “stand by” icon will appear. To disable: tap “stand by” and the “stand by” icon will disappear and the display will return ...

  • Page 23: Heat Capacity Control

    Combination water heater operation 23 █ 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 the remote controller. With the remote controller off, press and hold the “dhw” and...

  • Page 24

    Combination water heater operation 24 █ capacity control of the whole please follow this procedure if restricting heat capacity is needed please turn off the power of remote controller by pressing on/off button. It the dhw and stand by buttons are pressed simultaneously, the system goes into „heat c...

  • Page 25: Water

    Combination water heater operation 25 █ setting up the way of control of hot water select which one will be used to control hot water temperature, supply water temperature or return water temperature. Please turn off the power of remote controller by pressing on/off button. If the program and heatin...

  • Page 26: Well Pump Setting

    Combination water heater operation 26 █ well pump setting user can select whether well pump will be used or not. Please turn off the power of remote controller by pressing on/off button. If the dhw button is pressed for 3 seconds, “il p” is displayed inside the clock and “c” or “s” is flickered wher...

  • Page 27

    Combination water heater operation 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...

  • Page 28: Used.

    Combination water heater operation 28 █ function to set the number of initial activating water heaters when cascade is used. Please turn off the power of remote controller by pressing on/off button. Press and hold “dhw”, “stand by” and “program” buttons simultaneously for 3 seconds. When number of o...

  • Page 29

    Combination water heater operation 29 █ function to set pump activating water heaters when cascade is used. Please turn off the power of remote controller by pressing on/off button. Press and hold “dhw”, “stand by” and “heating” buttons simultaneously for 3 seconds. When the current setting state (c...

  • Page 30

    Combination water heater operation 30 █ combination water heater: 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 n...

  • Page 31

    Combination water heater operation 31 █ combination water heater: dhw (mode) the domestic hot water (dhw) is controlled by the user. Because the navien combination water heater is a multi-purpose design, it can provide hot water on demand. The navien combination water heater only produces hot water ...

  • Page 32

    Combination water heater operation 32 █ cleaning the combination water heater regular maintenance:  cleaning the combination water heater: wipe the outside surface with a damp cloth. Use a mild detergent (non- acidic, non-abrasive cleanser) to remove any surface stains.  cleaning the remote contro...

  • Page 33

    Combination water heater operation 33 █ draining the combination water heater draining the combination water heater - parts you need to know: procedure to drain the combination water heater (figure below). You will need to prepare a bucket to collect some of the water to be drained. 1. Turn off the ...

  • Page 34

    Combination water heater operation 34 █ auto feeder of the combination water heater 1. Make sure the pump drain coke and the dhw cold water inlet filter have been inserted and that the drain coke inside the unit are closed. 2. Slowly open the water supply valve on the inlet to the unit. If there is ...

  • Page 35

    Combination water heater operation 35 █ 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. 1. Turn off the power to the unit. 2. Close the water supply valve on the inlet to the ...

  • Page 36: Cleaning The Strainer

    Combination water heater operation 36 █ 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. Mainten...

  • Page 37

    Combination water heater operation 37 █ cleaning the intake air filter ※ if an intake air filter is blocked by dust or pollen, the combination water heater will not operate and „error code 10‟ will be displayed. When this happen, please clean the combination water heater like the following. 1. Locat...

  • Page 38

    Combination water heater operation 38 █ optional outdoor temperature sensor  detecting the outdoor temperature will make it possible to enjoy confortable and convenient indoor life by operating the combination water heater at the appropriate heating water temperature at a customized desired s ettin...

  • Page 39: Freeze Protection

    Combination water heater operation 39 █ freeze protection  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 water h eater and as such is not navien‟s responsibility. Navien will not war...

  • Page 40: Fnd Display

    Combination water heater operation 40 █ fnd display  led read out shows supply water temperature and pressure for space heating in 5 sec intervals, unless shows error code. █ basic troubleshooting and frequently asked questions  if an „error code‟ displays on the remote controller, follow the trou...

  • Page 41: Asked Questions

    Combination water heater operation 41 █ basic troubleshooting and frequently asked questions problem possible cause(s) what to do space heating side malfunction (dhw) is the setting temperature too low? Use the center dial on the remote controller to raise the setting temperature. Is there power to ...

  • Page 42: Error Code Guide

    Combination water heater operation 42 █ error code guide error code reason self-diagnostic / action e001 water is boiling inside the heat exchanger 1. Clean the inlet water strainer (part#25). 2. Check the heat exchanger; remove and clean with a cleaning solution. E002 low pressure on heating side 1...

  • Page 43: Error Code Guide

    Combination water heater operation 43 █ error code guide error code reason self-diagnostic / action e015 abnormal pcb board 1. Check power supply 2. Check the power switch e016 overheating of heat exchanger 1. Turn off the system for at least 30 minutes then restart 2. Clean the dhw cold water filte...

  • Page 44: Memo

    Combination water heater operation 44 █ memo memo troubleshooti ng & error code guide.

  • Page 45: Memo

    Combination water heater operation 45 █ memo ▒ m e m o memo memo.

  • Page 46

    Combination water heater operation 46 printed date: xx(month). Xx(day). Xxxx(year).