GreenWorks ECOHOT WH-321063-NG Installation Manual
GreenWorks ECOHOT WH-321063-NG Installation Manual

GreenWorks ECOHOT WH-321063-NG Installation Manual

Instantaneous water heater

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Installation Manual and Owner's Guide
ECOHOT
TM
Installation Manual and Owners Guide
Model no. WH-321063-NG, WH-321063-LP Instantaneous Water Heater
ATTENTION: Prior To Installation, You Must Check Sizing Of Gas Pipe Line
For Proper BTU's. See page 8 For Sizing Chart.
(Be Sure To Calculate Total BTU's of all Appliances On Gas Line)
Domestic Hot Water Use in Commercial Applications Will Limit Warranty
WARNING: IF THE INFORMATION IN THESE INSTRUCTIONS IS
NOT FOLLOWED 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
any 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.
Upon completion of the installation, these instructions should be handed to the user of the appliance for
future reference.
In the commonwealth of Massachusetts this product must be installed by a licensed plumber.
This product is not approved for manufactured homes (mobile home), recreational vehicles (RV)
or boats.
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WH-321063-NG, WH-321063-LP
ECOHOT
For Interior Use Only
Please read this manual carefully
******* IMPORTANT************
TM

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Summary of Contents for GreenWorks ECOHOT WH-321063-NG

  • Page 1 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT ECOHOT Installation Manual and Owners Guide Model no. WH-321063-NG, WH-321063-LP Instantaneous Water Heater For Interior Use Only ATTENTION: Prior To Installation, You Must Check Sizing Of Gas Pipe Line For Proper BTU's. See page 8 For Sizing Chart. (Be Sure To Calculate Total BTU's of all Appliances On Gas Line) Please read this manual carefully Domestic Hot Water Use in Commercial Applications Will Limit Warranty...
  • Page 2: Table Of Contents

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT TABLE OF CONTENTS FEATURES: ................................3 SPECIFICATIONS: ..............................3 INSTALLATION INSTRUCTIONS: ................. Error! Bookmark not defined. Finding the Proper Location Mounting Installation of Gas Line Installation of Cold Water Supply Installation of Hot Water Outlet Installation of Power Supply GENERAL RULES TO FOLLOW FOR SAFE OPERATION ................
  • Page 3: Features

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Note: Specifications are subject to change without prior notice. FEATURES: ● Freeze protection device 5F(-15C); ● Constant temperature control; ● Copper heating coils for endless supply of hot water; ● Self diagnostic function with malfunction number display on remote control. ●...
  • Page 4: Installation Instructions

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT INSTALLATION INSTRUCTIONS: MUST READ PRIOR TO INSTALLATION Always wear safety glasses and gloves Must be mounted a min. of 12” above the floor Finding the Proper Location 1. Make sure you install your tank-less water heater in an area that exhaust has 4ft or more from any window or door (check local codes).
  • Page 5: Installation Of Power Supply

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT 1. Water pressure must be sufficient to activate the heater when drawing hot water from the top floor. 2. If the hot and cold connections to the heater are reversed, the heater will not function. 3.
  • Page 6: General Rules To Follow For Safe Operation

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT cancer, birth defects, death, serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel combustion (gas, oil) or components of the product itself. GENERAL RULES TO FOLLOW FOR SAFE OPERATION You should follow these instructions when you install your heater.
  • Page 7: Gas Supply

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT CAUTION: Only the pipes within the water heater are protected by the anti-freeze devices on the ECOHOT . Any hot or cold water pipes located outside of the appliance will not be protected.
  • Page 8: Gas Piping, Connections And Gas Regulator

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Gas Piping, Connections and Gas Regulator Before connecting the gas supply, check the rating plate on the right side of the right front cover to be sure that the heater is rated for the same gas to which it will be connected. In the Applianceed States: The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas Code ANSIZ223.1/NFPA54.
  • Page 9 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT For high altitude installations in US above 7,500 Ft, contact Greenworks Unlimited for instructions. Do not alter the orifice jets or gas supply pressure. This Water Heater is not approved above 9,000 ft (2,743m).
  • Page 10 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT ◆ Loosen screw from test point and connect manometer tube on test point. 2. Maximum Manifold Pressure adjustment ◆ Plug in Power cord. ◆ Turn on all hot water taps served by the water heater. ◆...
  • Page 11: Water Connections

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT 3. Minimum Manifold Pressure adjustment ◆ Adjust Dip Switch 1 to OFF position, ◆ Use a small crossing screw driver adjust The Adjustable Resistance of PCB which marked “MIN”, to meet the data of De-rating Manifold Min. Pressure from the De-rating Manifold Pressure Table.
  • Page 12: What To Do If You Smell Gas

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Open the cold water inlet supply to the heater fully. Open a hot water faucet to permit the water to fill the heater and the piping and to eliminate the air trapped in the system. Close the hot water faucet after the water flows freely and all the air has escaped from the system.
  • Page 13 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT THE FOLLOWING OPERATIONS SHOULD ONLY BE PERFORMED BY A LICENSED TECHNICIAN. Venting System: Should be checked annually. Clean as needed. Before removing cover appliance should be unplugged, Water and gas valve should be shut off. Main Burner Flames: The main burner flames should be blue.
  • Page 14 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Mineral Scale Build-up: The ECOHOT Water heater should be set at lower temperature (ECOHOT Recommends 120F/49C or less) to help avoid accumulating mineral built-up. If however the water has a high mineral content, periodic descaling may be necessary. The heating coils should be flushed with a descaling solution.
  • Page 15 Department, or Local Government to determine if water treatment / conditioning may be an option to reduce scaling in this water heater. Greenworks Unlimited suggests installing a water softener if water is more than 11 GRAINS per gallon. NOTE: Keeping this water heater controller set at 110° F to 115° F will significantly reduce scaling to the water lines in less than favorable conditions.
  • Page 16: Trouble Shooting

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT TROUBLE SHOOTING Introduction: The ECOHOT burner is activated by a water flow valve. Numerous water related problems can cause this water valve to malfunction such as: 1. Insufficient water flow volume to activate the burners at its minimum flow requirement. 2.
  • Page 17: Flow

    TEMPERATURE SETTING There is a remote temperature gage with digital display from 95° F (35° C) to 140° F (60° C). “Greenworks Unlimited” recommends temperatures stay at or below 120° F to help prevent lime build-up inside the “heat exchangers” copper lines.
  • Page 18: Error Code

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT FREEZE PROCTECTION DEVICE: This appliance comes equipped with heating blocks to prevent freezing which can damage the heat exchanger. For this freeze prevention system to operate there has to be electrical power to the appliance.
  • Page 19 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT ◎ Controller board error/ Call ECOHOT The power of Gas Valve error ◎ Controller board error/ Call ECOHOT Main Valve control circuit error ◎ Controller board error/ Call ECOHOT Proportional Valve driver circuit error ◎...
  • Page 20: Parts List

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT PARTS LIST Part Code Part Name Quantity Remark JSG32AU05_01Bx Water heater front cover assembly x=1:NG , x=2:LPG JSG32AU05_02Bx Water heater bottom cover assembly x=1:NG , x=2:LPG JSW32AU05_04 Flue gas collector 010466 Heat exchanger assembly T1/11 Hi-limit thermostat (80°...
  • Page 21 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT SJ2829-87 Cross screws M4*10 WHG8BHK_00-4 Plastic washer JSG32AU05-1 Wind pressure support JLG1.20-1 Pipe connector cap ¾” JLG1.11.01-05Z Plastic Washer WHX60-12-05 Cord clip JSQ8P1-1 Y-type screw GB6170-86 Screws M4 GB862.1-87 Washer 4 JSW16A_00-01 Sealing cap WHQ8E.00-02 Temperature sensor O-ring...
  • Page 22: Figure 1: Interior Diagram

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 1: Interior Diagram 22 of 29...
  • Page 23: Figure 2: Plumbing Installation

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 2: Plumbing Installation Figure 3: Horizontal Direct Vent Installation 23 of 29...
  • Page 24: Figure 4: Vertical Direct Vent Installation

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 4: Vertical Direct Vent Installations 24 of 29...
  • Page 25: Figure 5: Flue Pipe Installation

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 5: Flue Pipe Installation 25 of 29...
  • Page 26: Figure 6: Direct Vent Terminal

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 6: Direct Vent Terminal Canadian Installation(1) US Installation(2) A= Clearance above grade, 12 inches(30cm) 12 inches (30cm) Veranda, porch, deck, or balcony B= Clearance to window or 6 inches (15cm) for 6 inches (15cm) for door that may be opened appliances <10,000Btuh(3kW),...
  • Page 27 Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT J= Clearance to nonmechanical 6 inches (15cm) for 6 inches (15cm) for Air supply inlet to building or appliances <10,000Btuh(3kW), appliances <10,000Btuh(3kW), the combustion air inlet to any 12 inches(30cm) for appliances> 9 inches(23cm) for appliances>...
  • Page 28: Figure 7: Wiring Diagram

    Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP ECOHOT Figure 7: Wiring Diagram 28 of 29...
  • Page 29: Figure 8: Tankless Water Heater With Domestic Recirculation Loop

    Below is a Diagram installation to avoid occasional spikes in temperatures and cold pockets of water inherited with Tank-less unit usage, along with instant hot water connivance and a savings of 20% + in house hold water use (average home). Greenworks suggest installing this type of system. 29 of 29...

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