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Summary of Contents for Anzzi WH-AZ01-180-NGI
- Page 1 ITEM: WH-AZ01-180-NGI WH-AZ02-199-NGI WH-AZ03-180-LPI WH-AZ04-199-LPI ANZZI GAS TANKLESS WATER HEATER (For indoor use only) V1.0 09/16/2024 WH-AZ01-180-NGI WH-AZ02-199-NGI WH-AZ03-180-LPI WH-AZ04-199-LPI Register online at https://anzzi.com/pages/register or scan the QR code at PG. 2.
- Page 2 IMPORTANT: Warranty will not be recognized unless product is registered. https://anzzi.com/pages/register Register online at or Scan the QR code below. Registering online is fast, secure, and ensures we receive your information. USE YOUR PHONE CAMERA FILL IN A QUICK CLICK SUBMIT AND...
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Page 3: For Your Safety
WARNING: If the informa�on in these instruc�ons is not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death. FOR YOUR SAFETY! Do not store or use gasoline or other flammable vapors and liquids in the vicinity of •... -
Page 4: Table Of Contents
TABLE OF CONTENTS PRODUCT SIZE CHART ........................5 PRODUCT INFORMATION ......................7 COMPONENTS ..........................8 TOOLS AND MATERIALS ......................8 SAFETY PRECAUTIONS ......................... 9 SPECIFICATIONS ..........................14 INSTALLATION GUIDELINES ..................... 14 INSTALLATION REQUIREMENTS ..................... 15 LOCATION ..........................15 Water Quality ........................16 Environment ........................ -
Page 5: Product Size Chart
PRODUCT SIZE CHART WH-AZ01-180-NGI WH-AZ03-180-LPI 6.77" [172mm] 6.77" [172mm] 8.08" [205mm] 17.13" [435mm] 0.78" [20mm] 4.84" [123mm] 3.06" [77.6mm] 2.87" [73mm] 4.57" [116mm] 2.2" [56mm] 5.9" [150mm] 13.44" [341.5mm] Description Diameter Exhaust Outlet Pipe 3" [76mm] Air Intake 3" [76mm] Outlet 3/4"... - Page 6 PRODUCT SIZE CHART WH-AZ02-199-NGI WH-AZ04-199-LPI 6.77" [172mm] 6.77" [172mm] 10.28" [261mm] 15.35" [390mm] 0.82" [21mm] 4.84" [123mm] 4.17" [106mm] 4.68" [119mm] 1.89" [48mm] 5.35" [136mm] 12.36" [314mm] Description Diameter Exhaust Outlet Pipe 4" [100mm] Air Intake 4" [100mm] Outlet 3/4" Gas Inlet 3/4"...
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Page 7: Product Information
PRODUCT INFORMATION Water Heater Flow Rate Curve line 1 line 2 line 1 WH-AZ02-199-NGI WH-AZ04-199-LPI line 2 WH-AZ01-180-NGI WH-AZ03-180-LPI Delta T - Temperature Rise (°F) Pressure Drop Curve Water Flow Rate (GPM) WH-AZ02-199-NGI WH-AZ04-199-LPI Pressure Drop Curve Water Flow Rate (GPM) -
Page 8: Components
COMPONENTS PART Description Qty. Water Heater Manual Expanding Anchors Screws (#8 x 0.78 " ） Anchors Screws (#10 x 0.98 " ） Washers [ 02 ] [ 03 ] [ 04 ] [ 05 ] [ 06 ] [ 07 ] [ 01 ] CAUTION Any claims for damage or missing parts/components must be filed immediately against the transportation... -
Page 9: Safety Precautions
SAFETY PRECAUTIONS Safety Definitions This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others. Indicates an imminently hazardous situation which, if not avoided, will result in DANGER death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in WARNING death or serious injury. -
Page 10: Electrical Safety
SAFETY PRECAUTIONS - Venting Safety DANGER installation at initial start-up and at least annually Failure to install and properly vent the water heater to thereafter. the outdoors as outlined in the " INSTALLATION STEPS - " section of the Installation Instructions in this Venting manual will result in death from fire, explosion, or DO NOT use the unit if the vent piping has been... - Page 11 SAFETY PRECAUTIONS - Venting Safety WARNING damage to the structure or exterior finish of the Use tankless water heater manufacturer approved building. Stainless Steel vent material only. No other vent material is permitted. This equipment should not be operated without the Follow vent manufacturer’s instructions for venting vent pipe properly connected.
- Page 12 SAFETY PRECAUTIONS - General Safety WARNING Gasoline and other flammable liquids, materials, and Only connect gas and water as instructed. Incorrect vapors (including paint thinners, solvents, and or reversed connections will cause equipment adhesives) are extremely dangerous. DO NOT handle, damage.
- Page 13 SAFETY PRECAUTIONS - Natural Gas and Liquefied Petroleum Safety CAUTION DO NOT attempt repair of electrical wiring, gas DO NOT turn on the water heater unless the water piping, remote control, burners, vent connectors, or and gas supplies are completely opened. other safety devices.
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Page 14: Specifications
Only properly qualified personnel should install this are for the installation of a single unit. Please contact equipment. Improper installation or installation by a ANZZI for multiple device connection assistance. non-qualified installer may void warranty. Failure to comply with state and local codes pertaining to water The appliance and its gas connection must be leak heater installations may also void warranty. -
Page 15: Installation Requirements
INSTALLATION GUIDELINES This appliance should NOT be installed outdoors. system. These fumes can damage components and reduce the life of your appliance. The appliance must be electrically grounded in accordance with local codes. In the event there are no Do not use this appliance in an application such as a local codes, the National Electrical Code, pool or spa heater that uses chemically treated water. -
Page 16: Water Quality
INSTALLATION REQUIREMENTS LOCATION Take the following guidelines into account when choosing an installation location for this unit. Water Quality Potable water is defined as drinkable water supplied The water used by this water heater must be potable, from utility or well water in compliance with EPA free of corrosive chemicals, sand, dirt, or other secondary maximum contaminant levels (40 CFR contaminates. - Page 17 INSTALLATION REQUIREMENTS LOCATION Take the following guidelines into account when choosing an installation location for this unit. WARNING Fire Hazard – Combustible construction refers A gas-fired water heater should never be installed in to adjacent walls and ceilings and should not be a space or room where liquids with flammable vapors confused with combustible or flammable products and are used or stored.
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Page 18: Installation
INSTALLATION REMOVE CURRENT WATER HEATER Make sure to follow the steps below to remove the existing water. Seal any unused openings in the common venting system. WARNING Visually inspect the venting system for proper size and horizontal pitch to determine if there is blockage, leakage, corrosion or other Breathing Hazard -Carbon Monoxide Gas deficiencies that could cause an unsafe condition. -
Page 19: Installation Location Checklist
INSTALLATION INSTALLATION LOCATION CHECKLIST □ The water heater is not exposed to corrosive compounds in the air. □ The water heater location complies with the required clearances. □ The planned venting will not exceed the maximum length for the number of elbows used. □... -
Page 20: Installation Steps - Venting
INSTALLATION INSTALLATION STEPS - Securing Water Heater Step 3 Step 4 Loosen the nut of Expanding Anchors [03] and Slide the bigger holes of upper bracket of Water insert them into two holes at the top leaving 1/8" Heater [01] on to the Expanding Anchors [03], gap between the nut and the wall. - Page 21 INSTALLATION INSTALLATION STEPS - Venting CAUTION This water heater is a direct vent water heater. You Ensure the air intake and vent termination points are must use vent components that are certified and listed at least 12"(300mm) above maximum snow for this kind of water heater.
- Page 22 Web Site USA: (603) 669-5136 or (800) 654-5600 Z-Flex www.z-flex.com CANADA: (416) 679-0045 APPROVED Z-FLEX VENT PRODUCTS FOR HORIZONTAL VENTILATION: Diagram Part Number Description WH-AZ01-180-NGI WH-AZ02-199-NGI WH-AZ03-180-LPI WH-AZ04-199-LPI 2SVEPWC(F)0305 Pipe(3 in X 5 ft) 2SVEPWC(F)0405 Pipe(3 in X 5 ft) 2SVEEWC(F)0345 Elbow(45°...
- Page 23 INSTALLATION INSTALLATION STEPS - Venting CHOOSE VENT PRODUCTS APPROVED Z-FLEX VENT PRODUCTS FOR VERTICAL VENTILATION: Diagram Part Number Description WH-AZ01-180-NGI WH-AZ02-199-NGI WH-AZ03-180-LPI WH-AZ04-199-LPI 2SVEPWC(F)0305 Pipe(3 in X 5 ft) 2SVEPWC(F)0405 Pipe(3 in X 5 ft) 2SVEEWC(F)0345 Elbow(45° X 3 in) 2SVEEWC(F)0445 Elbow(45°...
- Page 24 INSTALLATION INSTALLATION STEPS - Venting Horizontal Vent Terminal Location Inside for Direct-Vent Water Heater corner detail 15 ft Fixed Operable Fixed closed closed Operable Regulator vent outlet. In the event no regulator is present, H and I can be disregarded. V = VENT TERMINAL X = AIR SUPPLY INLET = AREA WHERE TERMINAL IS NOT PERMITTED...
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Page 25: Maximum Vent Length
INSTALLATION INSTALLATION STEPS - Venting Maximum Vent Length Determine the number of 90 degree elbows in the vent system. (Two 45 degree elbows count as one 90 degree elbow.) Refer to the table to find the maximum vent length based on the number of elbows. Number of Number of Number of... -
Page 26: Installation Steps - Connect Water Supply
INSTALLATION INSTALLATION STEPS - Venting CAUTION Condensate can form in the vent of high efficiency All condensate must drain and be disposed of direct vent appliances. Without proper drainage, according to local codes. condensate will damage the heat exchanger. Use only corrosion resistant materials for the To prevent condensate damage, follow these condensate drain lines such as PVC pipe or plastic instructions. -
Page 27: Installation Steps - Pressure Relief Valve
INSTALLATION INSTALLATION STEPS - Connect Water Supply To connect the water supply, follow the instructions below. Step 1 Connect the cold water supply line to the water heater on the 3/4" connection at the bottom of the water heater marked "Water Input" using the cold water service valve(not provided). Step 2 Connect the hot water supply line to the water heater on the 3/4"... -
Page 28: Installation Steps - Connect Gas Supply
INSTALLATION INSTALLATION STEPS - Pressure Relief Valve(not provided) CAUTION DO NOT plumb the pressure relief valve with the DO NOT plug the pressure relief valve and do not condensate drain; both must be plumbed install any reducing fittings or other restrictions in the independently to drain. -
Page 29: Installation Steps - Connect Power Supply
INSTALLATION INSTALLATION STEPS - Connect Gas Supply To connect the gas supply, follow the instructions below. Step 6 Ensure any compound used on the threaded joint of the gas piping is a type that resists the action of liquefied petroleum gas (propane/ LPG). Step 7 Review the installation location taking into account all gas users on site. -
Page 30: Final Checklist
INSTALLATION Final Checklist □ □ The water heater is not subject to corrosive Confirm that the electricity is supplied from a compounds in the air. 120 VAC, 60 Hz power source, is in a □ The water supply does not contain chemicals properly grounded circuit, and is turned on. -
Page 31: Operation Instructions
OPERATION INSTRUCTIONS Description FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instruc�ons The temperature can be adjusted exactly, a fire or explosion may result causing property between 95°F - 140°F (35°C - 60°C). damage, personal injury or loss of life. The default setting temperature of water heater is 105°F (40°C). -
Page 32: How To Operate The Water Heater
How to operate the Water Heater Auto Bath Allow water to flow through the water heater unit. Allow the water to flow continuously to flush out any debris as well as purge the pipes of any air. Power on the socket connected to the water heater. An audible beep will be heard and the LED display will light up for 2 seconds. - Page 33 How to operate the Water Heater indicates the working condition of the fan inside water heater. It will be lighted to indicate that the fan is working. When the fan stops, will disappear. indicates the water flow condition of the water heater. It will be lightened to indicate that the water is flowing.
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Page 34: Long-Term Shutdown Precautions And Freeze Protection
LONG-TERM SHUTDOWN PRECAUTIONS AND FREEZE PROTECTION If the water heater is left unattended for a long period of time, or if the water heater is not going to be used during a period of possible freezing weather, it is recommended that the water inside CAUTION Cold air may enter the unit through the air intake or the exhaust system. -
Page 35: Running A Low Volume Of Water Through The Water Heater To Prevent Freezing
To prevent damage, NEVER force a water heater to operate while in a frozen state. NEVER bypass any safety feature. Damages resulting from incorrect installation or from use of products not approved by ANZZI ARE NOT covered by warranty. PG.35... -
Page 36: Maintenance And Inspection
An annual inspection is normally sufficient. Frequent visual inspections by the owner are recommended. Any repairs should be performed by a qualified service technician using only factory authorized components. Contact ANZZI for assistance in locating a qualified technician. Routine Inspection Checklist □... -
Page 37: Circulating Pump
MAINTENANCE AND INSPECTION LIME SCALE CLEANING PROCEDURE Materials required: - Five gallon container - Four gallons of virgin food grade white vinegar or virgin food grade citric acid - Small inline recirculation pump capable of circulating 2 - 4 gpm (7.6 - 15.1 L/min) - Set of hoses for connecting recirculation pump to and from the water heater and the five gallon container. -
Page 38: Troubleshooting
For operation difficulties with your unit, please consult the following table for guidance. If you need further assistance, call ANZZI(305-614-4070). Please have product information ready when you call including serial number, date of purchase and diagnostic code if shown on the control panel. - Page 39 Water sensor overheat protection Clean sensor of scale build-up. (Inlet temperature≥167°F(75°C)/ Replace sensor. Outlet temperature≥185°F(85°C)) Contact ANZZI. Fan failure Ensure fan will turn freely. Check wiring harness to motor for damaged and/or loose connections. Measure resistance of motor winding. Contact ANZZI.
- Page 40 If hot water going to a tub is "Bath" mode. combined with cold water, the volume computed would not equal the total amount that may have been dispensed. Unresolved problem. Other assistance required. Consult ANZZI or contact an authorized service professional. PG.40...
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Page 41: Wiring Diagrams
WIRING DIAGRAMS Anti-freezing Power cord heater Igniter Blower Flame sensor Gas valve assembly Thermo protector Power controller Solenoid valve Main controller Water flow sensor Outlet water temp. sensor Inlet water temp. sensor LED display PG.41... -
Page 42: Replacement Parts
REPLACEMENT PARTS WARNING For your safety, DO NOT attempt to disassemble, repair, or replace any portion of this unit. Refer all repairs, service, and/or adjustments to qualified service personnel. Address all parts orders to the distributor or store where the water heater was purchased. All parts orders should include: 1.
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