Navien CH-180 Operation Manual
Navien gas combination water heater
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Also See for CH-180:
- Service manual (155 pages) ,
- Installation manual (84 pages) ,
- User's operation manual (52 pages)
Table of Contents
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Gas Water Heater Operation
WARNING
If not followed this Installation Manual exactly, a fire or explosion may
result causing property damage, personal injury or death.
- 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 call your gas supplier from a neighbor‟s phone. Follow the
gas supplier‟s instructions.
If you cannot reach your gas supplier, call the fire department.
- Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
CAUTION
This product warranty is valid only used in the
automatically be voided for other countries. (for
unit standard only)
Please return the "Installation Manual" to the customer after installing.
America and Canada
but
America and Canada
3
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Summary of Contents for Navien CH-180
- Page 1 Gas Water Heater Operation WARNING If not followed this Installation Manual exactly, a fire or explosion may result causing property damage, personal injury or death. - 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 ...
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Page 2: Table Of Contents
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 water heater 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 water heaters. -
Page 4: Warning - Safety Precautions
DO NOT turn on the Combination Water Heater if cold water supply shut-off valve is closed. DO NOT use this Navien Combination Water Heater for other than its intended purpose as described in this manual. DO NOT attempt to repair or replace any part of your combination water heater unless it is specifically recommended in this manual. - Page 5 Combination water heater operation █ Safety Instructions Vapors from flammable Water heater 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 ;...
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Page 6: Danger - What To Do If You Smell Gas
Combination water heater operation █ 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. -
Page 7: Danger - Hot Water Temperature Setting
Combination water heater operation █ 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 temperature. -
Page 8: Equipment Protection And Personal Safety
Combination water heater operation █ 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 Combination water heater operation █ 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 temperature exist. Note! －...
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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
One (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 water heater but is limited to the original address registered with the warranty only. -
Page 12: General Parts
Combination water heater operation █ General Parts CH Combination Water Heater Combustion Air Intake Exhaust Gas Front Cover Indicator Condensed Water Clean outlet Filter Water Inlet Condensed Water Water Inlet Filter Clean outlet Pump Drain Port Pump Drain Gas Connection Gas Connection Coke Strainer... -
Page 13: Remote Controller
Combination water heater operation ██ Remote Controller... -
Page 14: Lcd Display Icons
Combination water heater operation █ LCD Display Icons Timer display for 24 Room temperature hour clock Space heating Return Clock water temperature Space heating Supply Temperature temperature 24 Hour heating timer THERMOSTAT indicator controlled heating Hot water “ In use ” Lock Stand By Hot water pre-heating... -
Page 15: Remote Controller On/Off
Combination water heater operation █ Remote Controller ON / OFF When the ON/OFF button is pressed, Press the ON/OFF button to turn the the LCD display switches to only a LCD on and off. clock display. In this status any heating mode &... -
Page 16: Hot Water Temp. Setting
Combination water heater operation █ Hot Water Temperature Setting If the DHW button is pressed, „hot When the „hot water‟ icon flickers turn water‟ icon flickers and temperature the dial to set desire hot water of hot water (86~120℉) is displayed. temperature. -
Page 17: Pre-Heating Setting
Combination water heater operation █ Pre-heating Setting Press and hold the “Stand By” and Please turn off the power of Remote “Program” buttons simultaneously for Controller pressing ON/OFF button. 3 seconds. When the “Clock” is flashing with the After setting the timer, press and hold cursor “■”use the center dial to “Stand By”... -
Page 18: Room Temp. Setting (Options)
Combination water heater operation █ Room Temperature Setting (Options) Tap “Heating” until “room temperature “Heating” “room when 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℉. -
Page 19: Return Temp. Setting (Options)
Combination water heater operation █ Return Temperature Control (Options) Tap “Heating” and when “Return Tap the “HEATING” button until the temperature heating” icon is blinking “Return temperature heating” icon use the center dial to set the desired appears. Leave alone and the display temperature between 90~140℉. -
Page 20: Supply Temp. Setting (Options)
Combination water heater operation █ Supply temperature Control (Option) Tap “Heating” and when “Supply Tap “Heating” until “Supply temperature temperature heating” icon is blinking heating” icon appears. Leave alone use the center dial to set the desired and the display will automatically set. temperature between 105~185℉. -
Page 21: Th Timer)
Combination water heater operation █ PROGRAM(24h timer) Setting for Space Heating When the “clock” is flashing with the Tap the “PROGRAM” button to set cursor, “■”use the center dial to move the “24 hour” timer. 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... -
Page 22: Stand By
Combination water heater operation █ STAND BY When the need for heat is not needed, the unit will set itself to operate in “stand by” mode. To Disable: Tap “STAND BY” and the To Enable: Tap “STAND BY” and the “stand by”... -
Page 23: Heat Capacity Control
Combination water heater operation █ Heat Capacity Control When the heating capacity is small, the desired heat capacity can be controlled by the use of the remote controller. With the remote Controller off, press and hold the “DHW” and “Stand By” Tap “ON/OFF”... -
Page 24: Capacity Control Of The Whole
Combination water heater operation █ 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. -
Page 25: Setting Up The Way Of Control Of Hot Water
Combination water heater operation █ 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 If the program and heating button are Controller by pressing ON/OFF button. -
Page 26: Well Pump Setting
Combination water heater operation █ 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 seconds, “IL P” is displayed inside the Controller by pressing ON/OFF button. -
Page 27: Supply Water Pressrue Setting
Combination water heater operation █ Supply water pressure setting Please follow the this procedure if setting up supply water pressure is needed If the heating button is pressed for 3 Please turn off the power of Remote seconds, “PS” is displayed inside the Controller by pressing ON/OFF button clock and desired supply water pressure is flickered where temperature was... -
Page 28: Function To Set The Number Of Initial Activating Water Heaters When Cascade Is Used
Combination water heater operation █ Function to set the number of initial Activating water heaters when cascade is used. Press and hold “DHW”, “Stand By” Please turn off the power of Remote and “Program” buttons simultaneously Controller pressing ON/OFF button. for 3 seconds. -
Page 29: Function To Set Pump Activating Water Heaters When Cascade Is Used
Combination water heater operation █ Function to set pump activating water heaters when cascade is used. Press and hold “DHW”, “Stand By” Please turn off the power of Remote and “Heating” buttons simultaneously Controller pressing ON/OFF button. for 3 seconds. When the current setting state (C- Press “Program”... -
Page 30: Combination Water Heater : Heating
Combination water heater operation █ 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 not be suitable for multi-system applications (The installing contractor will make this determination and install suitable alternative controls). -
Page 31: Combination Water Heater : Dhw
█ 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 only when you use it. -
Page 32: Cleaning The Combination Water Heate
Combination water heater operation █ Cleaning the Combination Water Heater Regular Maintenance: Make sure the unit is OFF and the CAUTION electrical power supply been disconnected. The combination water heater may remain very hot for several minutes after it is turned off. To prevent burns, wait until the equipment has cooled down... -
Page 33: Draining The Combination Water Heater
Combination water heater operation █ 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. -
Page 34: Auto Feeder Of The Combination Water Heater
Combination water heater operation █ 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 no valve at the combination water heater, turn on the water supply at the water meter slowly. -
Page 35: Cleaning The Inlet Water Filter
Combination water heater operation █ 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. -
Page 36: Cleaning The Space Heating Strainer
Combination water heater operation █ 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
Combination water heater operation █ 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. -
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
Do NOT combination install this unit outdoors. To avoid any freezing issues, Navien strongly recommends the use of Direct Vent. Ensure the exhaust vent pipe AND the air intake pipe are both connected directly from the... -
Page 40: Fnd Display
Asked Questions 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 water heater. - Page 41 Combination water heater operation █ 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. Is there power to the Make sure the power is System, or is the on, and plugged in to the...
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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 water heater, contact Navien‟s Technical department at 1-800-519-8794. - Page 43 E035 Abnormal activity of the gas pressure 1. Check gas line. sensor E036 Communication failure 1. Contact to Navien tech. dept. E037 Water leak Inside unit 1. Close DHW cold water main. 2. Replace leaking parts. E039 Abnormal the flow sensor.
- Page 44 Combination water heater operation █ Memo...
- Page 45 Combination water heater operation █ Memo ▒...
- Page 46 Combination water heater operation Printed Date: xx(Month). xx(Day). xxxx(year)
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