State Water Heaters 310C Installation Manual And Owner's Manual

State Water Heaters 310C Installation Manual And Owner's Manual

On-demand water heater

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On-Demand Water Heater
Installation Manual and Owner's Guide
R
ANSI Z21.10.3 ・ CSA 4.3
Gas Tankless Water Heater
Suitable for combination potable water heating
and space-heating.
Please refer to local codes for space-heating compliance.
FEATURING
ENDLESS HOT WATER
ON-DEMAND USAGE
COMPACT, SPACE SAVING
ENERGY CONSERVATION
COMPUTERIZED SAFETY
ELECTRONIC IGNITION
Complies with SCAQMD Rule
1146.2 for Low NOx Emissions
of 14 ng/J or 20 ppm
CONCENTRIC VENT
EASY GAS CONVERSION
EASY-LINK SYSTEM*
MULTI-UNIT SYSTEM*
*(510C model only)
D
R
model only
TM
Sold by www.GadgetsGo.com Authorized Dealer
510C
Models
110C
310C
510C
If the information in these
instructions is not followed
exactly, a fire or explosion may
result causing property damage,
WARNING
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 electric 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.
If you have any questions, please
call or write to:
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Toll Free: 1-877-737-2840

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Table of Contents
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Summary of Contents for State Water Heaters 310C

  • Page 1 On-Demand Water Heater Installation Manual and Owner’s Guide 510C ANSI Z21.10.3 ・ CSA 4.3 model only Models 110C • 310C • 510C • If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, WARNING 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.
  • Page 2: Table Of Contents

    Contents CONTENTS Installation Manual  SPECIFICATIONS .......................... 4  INTRODUCTION .......................... 5  SAFETY GUIDELINES ........................6  INSTALLATION ..........................7   General.............................7   Clearances..........................9   Included accessories........................9   Optional items..........................9   Warning for installations......................11   High-altitude installations......................12   Venting instructions.......................13   Gas supply and gas pipe sizing....................18   Water connections........................20   Electrical connections......................21   Temperature remote controller....................22   Easy-Link System........................24   Multi-Unit System........................26...
  • Page 3: Installation Manual

    Installation Manual Installation Manual CONGRATULATIONS Congratulations and thank you for choosing our tankless water heater. Before use, we recommend that you read through this safety manual carefully. Please refer to the back of the manual for details about the warranty. Keep this manual for future reference. If you lose the manual, contact the manufacturer or your local distributor or download from the manufacturer's website.
  • Page 4: Specifications

    Installation Manual Specifications SPECIFICATIONS Model 110C 310C 510C Natural Gas Input Min.: 15,000 Min.: 15,000 Min.: 15,000 BTU/h (Operating Range) Max.: 140,000 Max.: 190,000 Max.: 199,000 Gas Connection 3/4" NPT Water Connections 3/4" NPT Water Pressure* 15 - 150 (0.1 - 1)
  • Page 5: Introduction

    • This appliance is an on-demand, tankless water heater. It is designed to efficiently supply endless hot water for your needs. • The 110C, 310C, and 510C models are only to be installed indoors with concentric venting. • The principle behind tankless water heaters is simple:...
  • Page 6: Safety Guidelines

    Installation Manual Safety Guidelines SAFETY GUIDELINES SAFETY DEFINITION Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. DANGER Indicates an imminently hazardous situation which, if not avoided, could result in death or serious injury. WARNING Indicates an imminently hazardous situation which, if not avoided, could result in minor or moderate injury.
  • Page 7: Installation

    8. For the 110C, 310C, and 510C models: A condensate collector and trap (100266140 & 100266139) are required to be installed in the venting system when there is more than 8 feet (2.4 m) of equivalent vent length, not including the sidewall termination.
  • Page 8 Installation Manual Installation • Installation and service must be performed by a qualified installer (for example, a licensed plumber or gas fitter). Otherwise, the warranty will be WARNING void. • The installer (licensed professional) is responsible for the correct installation of the water heater and for compliance with all national, state / provincial, and local codes.
  • Page 9: Clearances

    Bottom Front Back Sides 110C 12 in. 12 in. 4 in.* 1 in. 3 in. 310C (305 mm) (305 mm) (102 mm) (25 mm) (76 mm) 510C Bottom *24 inches (610 mm) recommended for maintenance. INCLUDED ACCESSORIES Check that these items below are included with the water heater.
  • Page 10 Installation Manual Installation 2. Concentric Sidewall Termination Kit 1. Condensate Collector and Trap 11 1/2" (292mm) (100266115) 21" (533 mm) (100266117) Collector Trap It includes: One Sidewall Termination, One 87° Elbow, (100266139) (100266140) Two Wall Plates. 3. Concentric Roof Termination 4.
  • Page 11: Warning For Installations

    Installation Manual Installation WARNING FOR INSTALLATIONS FOR YOUR SAFETY, READ BEFORE INSTALLATION: • Do not install the water heater and its termination where water, debris or flammable vapors may get into the water heater and flue terminal. This may cause damage to the heater and void the warranty.
  • Page 12: High-Altitude Installations

    The black squares indicate the positions of the DIP switches for high altitude • installation. The 110C and 310C : Only adjust DIP switch No. 3, No. 4, and No.5. The 510C : Only adjust DIP switch No. 2, No. 3, and No. 4 on the lower bank. WARNING •...
  • Page 13: Venting Instructions

    Installation Manual Installation VENTING INSTRUCTIONS -General- • Improper venting of this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death. • Improper installation can cause nausea or asphyxiation, severe injury or death from carbon monoxide and flue gases poisoning.
  • Page 14 The black squares indicate the positions of the DIP switches for vent length. • For the 110C and 310C : Only adjust DIP switch No. 6 , No. 7, and No. 8. on the upper bank For the 510C : Only adjust DIP switch No. 3, No. 4, and No. 5 WARNING DO NOT adjust the other DIP switches for vent length.
  • Page 15 Installation Manual Installation Venting Illustrations- For the 110C, 310C and 510C models For details of the venting installation, refer to the Centrotherm Eco Systems Direct Vent APNC35 concentric venting installation manuals. Horizontal Installation Standard Sidewall kit 11.5" (292 mm):100266115 21" (533 mm):100266117 Straight Pipe 10"...
  • Page 16 Installation Manual Installation -Vent termination clearances- INSIDE CORNER DETAIL Vent terminal Air supply inlet Area where is not permitted Gas meter / regulator Canada U.S.A Direct-vent Direct- vent Clearance above grade, veranda, porch, deck, or bal- 1 foot (30 cm) 1 foot (30 cm) cony B Clearance to window or door that may be opened...
  • Page 17 Installation Manual Installation -For sidewall terminations- For multiple-unit, concentric wall terminals space each 2 ft. concentric wall terminal at least 1 ft. (30 cm) away from (61 cm) 1 ft. (30 cm) min. each other, no matter the orientation. A concentric wall min.
  • Page 18: Gas Supply And Gas Pipe Sizing

    Installation Manual Installation GAS SUPPLY AND GAS PIPE SIZING -General- • Do not use this water heater with any gas other than the one listed on the rating plate unless the water heater has been properly converted. • Ensure that any and all gas regulators used are operating properly and providing gas pressures within the specified range shown below.
  • Page 19 Based on Pressure Drop of 0.5" W.C. Based on Energy Content of 1,000 BTU/Cubic ft.: The water heater requires 140 Cubic ft./hr for the 110C, 190 Cubic ft./hr for 310C, and 199 Cubic ft./hr for the 510C model. Unit: Cubic feet per hour Pipe Size Length: ft.
  • Page 20: Water Connections

    Installation Manual Installation -Measuring inlet gas pressure- 1. Turn off all electric power to the water heater if service is to be performed. 2. Turn the manual gas valve located on the outside of the unit clockwise to the off position. WARNING The water heater cannot perform properly without sufficient inlet gas pressure.
  • Page 21: Electrical Connections

    • The discharge capacity must be at least 140,000 BTU/h for the 110C model, 190,000 BTU/h for the 310C model, and 199,000 BTU/h for the 510C model. • The pressure relief valve must be rated for a maximum of 150 psi (1 MPa).
  • Page 22: Temperature Remote Controller

    Installation Manual Installation TEMPERATURE REMOTE CONTROLLER -Optional item- Verify that the items listed below are included with the remote controller. Temperature Screws Manual remote controller* Qty: 1 Qty: 2 Qty: 1 9009069005 (TM-RE42) -INSTALLATION- This remote controller is NOT waterproof. The water heater can only have one remote controller.
  • Page 23 Minimum 20 gauge wire (No polarity) • Maximum 400 ft. (122 m) long Fig. E-1 Fig. E-2 9009069005 9009069005 110C and 510C model (TM-RE42) (TM-RE42) 310C models Connect other end to these terminals Connect other end to these terminals Page Sold by www.GadgetsGo.com Authorized Dealer...
  • Page 24: Easy-Link System

    Installation Manual Installation EASY-LINK SYSTEM (Available on the 510C model only) -General- The 510C model water heaters can be connected together to work as a multiple-unit manifold system. • The Easy-Link System allows up to 4 units to manifold together (connected with communication Gas In cables).
  • Page 25 Installation Manual Installation 9. Turn on power to the “PARENT” unit. Next, turn on “CHILD-1”. When the built-in controller installed in “CHILD-1” unit displays a number, turn on “CHILD-2”. When the built-in controller installed in the “CHILD-2” unit displays a number, turn on “CHILD-3”. Make sure the built-in controller installed in each child unit displays each unit #.
  • Page 26: Multi-Unit System

    Installation Manual Installation MULTI-UNIT SYSTEM Multiple 510C models can be combined for a Multi-Unit System, along with the multi-unit controller (Part 9008300005 (TM-MC02)). Each multi-unit/remote controller set can control from 2 to 20 units for commercial or residential applications. For a 20-unit system, the computer can modulate between the usages of 15,000 BTU/h to 3.98 million BTU/h.
  • Page 27: Applications

    Installation Manual Applications APPLICATIONS -Space-Heating Applications- • This water heater is suitable for combination water (potable) heating and space heating and not suitable for space heating applications only. • In order to purge air in water pipes within a closed-loop system, an air vent and air separator should be installed in the system.
  • Page 28 Installation Manual Installation -Dual-purpose hot water heating- (Domestic and Space Heating): Diagrammatic layout of radiant heating and domestic water heater per Massachusetts code. All water piping should be insulated in accordance with 780 CMR (Massachusetts energy code) 3/5 inch concentric vent (Discharge must Cold water supply Automatic tempering device comply with local and...
  • Page 29: Initial Operation

    Installation Manual Initial operation INITIAL OPERATION FOR YOUR SAFETY, READ BEFORE OPERATING • Check the GAS and WATER CONNECTIONS for leaks before firing unit for the first time. • Open the main gas supply valve to the unit using only your hand to avoid any spark. Never use tools.
  • Page 30: Owner's Guide

    Owner's Guide Owner's Guide CONGRATULATIONS Congratulations and thank you for choosing our tankless water heater. Before use, we recommend that you read through this safety manual carefully. Please refer to the back of the manual for details about the warranty. Keep this manual for future reference. If you lose the manual, contact the manufacturer or your local distributor or download from the manufacturer's website.
  • Page 31: Operating Safety

    Owner's Guide Operating Safety OPERATING SAFETY FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner.
  • Page 32 Owner's Guide Operating Safety DANGER Vapors from flammable liquids will explode and catch fire causing death or severe burns. Do not use or store flammable products such as gasoline, solvents or adhesives in the same room or area near the water heater. Keep flammable products: Vapors: 1.
  • Page 33: Normal Operation

    Owner's Guide Normal Operation NORMAL OPERATION BUILT-IN CONTROLLER and REMOTE CONTROLLER The illustrations below show examples of the displays of the controller. The exact display may differ from examples. Built-in controller Remote controller Display for Temperature "INFO" Button When the STAND BY LED is ON, the hot water temperature will be Each time the button is pressed, displayed.
  • Page 34: Temperature Settings

    145 °F (63 °C). 4. Press the "HOT" button to set up to 160 °F (70 °C). TEMPERATURE TABLE OF CONTROLLER a) For 110C and 310C models °F 100 105 110 115 120* 125 130 135 140 °C...
  • Page 35 Owner's Guide Normal Operation ADDITIONAL FEATURES -Information mode- You can get some information about the water heater condition by pressing the "INFO" button. For more information, follow the procedures below: Screen on the controller INFO Operation Button Built-in controller Remote controller Inlet water temperature will be displayed on 1st.
  • Page 36 NOTE: The black square indicates the position of the DIP switch for set temperature. For the 110C and 310C, only adjust DIP switch No. 9. For the 510C, only adjust DIP switch No. 5 on the lower bank. Do not adjust the other DIP switches for temperature adjustment.
  • Page 37: Flow

    • The flow rate through the water heater is limited to a maximum of 6.6 GPM (25 L/min) for the 110C Flow rate Appliance/Use model, 8.0 GPM (30 L/min) for the 310C model, GPM (US) L/min and 10.0 GPM (38 L/min) for the 510C model.
  • Page 38: Maintenance And Service

    Owner's Guide Normal Operation MAINTENANCE AND SERVICE Turn off the electrical power supply and close the manual gas shutoff valve and the manual water control valve before servicing. WARNING • Clean the cold-water inlet filter. (Refer to Unit draining and filter cleaning section on this page.) •...
  • Page 39: Troubleshooting

    Owner's Guide Troubleshooting TROUBLESHOOTING GENERAL PROBLEM SOLUTIONS It takes a long time to • The time it takes to deliver hot water from the water heater to your get hot water at the fixtures depends on the length of piping between the two. The longer fixtures.
  • Page 40 Owner's Guide Troubleshooting PROBLEM SOLUTIONS Unit does not ignite • Is the flow rate over 0.5 GPM (1.9 L/min)? (p. 33) when water goes • Check the filter on cold water inlet. (p. 38) through the unit. • Check for reverse connection and cross connection. •...
  • Page 41: Error Codes

    • If there is a problem with the installation or the unit, the error code will be displayed on the temperature controller and remote controller. • Consult the table on the following pages for the description of each error code. 110C and 310C 510C model Error code indicator on...
  • Page 42 709), burn marks on the computer board (Part #701), and/or soot on the flame rod (Part #108). • Check if there is leaking from heat exchanger (Part #401). 311* Two Times 110C & 310C: Outlet thermistor failure 510C: Heat exchanger •...
  • Page 43 Owner's Guide Troubleshooting Green Malfunction Remote Diagnosis description 651* Four Times Flow adjustment • Inspect the flow adjustment valve (Part #402), for valve fault (Only connection/breakage of wires, locked motor drive due to Easy-Link & Multi-Unit scale buildup, and/or water leakage. System) 661* Four Times...
  • Page 44: Components Diagram

    Owner's Guide Components Diagram COMPONENTS DIAGRAM Case assembly Built-in temperature controller Page Sold by www.GadgetsGo.com Authorized Dealer...
  • Page 45 Owner's Guide Components Diagram Computer board assembly 110C and 510C model 310C models Surge box assembly Page Sold by www.GadgetsGo.com Authorized Dealer...
  • Page 46 Owner's Guide Components Diagram Burner assembly LP Conversion Kit 707 702 510C model Page Sold by www.GadgetsGo.com Authorized Dealer...
  • Page 47 Owner's Guide Components Diagram Water Way assembly 110C & 310C model Bypass section (510C model) To Water inlet section To Water outlet section 459 454 To Water 510C model inlet section To Water outlet section Water inlet section Water outlet section Page Sold by www.GadgetsGo.com Authorized Dealer...
  • Page 48: Parts List

    319143-580 EK591 Manifold Gasket 319143-581 EK592 O-ring (Manifold) EK570 O-ring P20 NBR (Black) 319143-057 EK042 Heat exchanger assembly for 110C, 310C 319143-570 EK571 for 510C 319143-571 EK572 Flow adjustment valve / Flow sensor 319143-463 EK129 Bypass valve for 510C model...
  • Page 49 Surge box 320273-128 EK280 120 VAC wire 319143-427 EK146 Switch wire EK584 120 VAC Power ON-OFF switch EK590 Remote controller wire for 110C and 310C models 319143-490 EK189 for 510C model 319143-491 EK165 Gas valve wire EK585 Flame rod wire EK586...
  • Page 50: Output Temperature Chart

    (55) (57) (60) 40°F(4°C) 50°F(10°C) 60°F(16°C) 70°F(21°C) Output Temperature vs. GPM (Max. 8.0 GPM) with Various Inlet Water Temperature 10.0 310C 40° F(4° C) 50° F(10° C) 60° F(16° C) 70° F(21° C) Set Temp. °F (°C) (38) (40) (43)
  • Page 51: Limited Warranty

    - Lack of a proper pump control will reduce the heat exchanger and parts warranty to 3 years. (3) In all applications, the total of length of operation time must be less than 3,000 hours for the 110C (AT-KJr3U-CV) and 310C (AT-K5U-CV) models, and less than 9,000 hours for the 510C (AT-D3U-CV) model.
  • Page 52 Owner's Guide Warranty • Freeze damage that occurs without taking proper preventive measures as described in the installation manual. • Condensate damage due to improperly installed or lack of a condensate trap (drain). • Any product not installed in compliance with all applicable local & provincial codes, ordinances, and good trade practices. • Any product sold to or installed in areas outside of the fifty states (and the District of Columbia) of the United States of America and Canada. • Any product installed in applications that cause the water heater to activate more than 300 times per day. (This averages to an activation every 5 minutes in a 24-hour period.) • Any failures that are not due to defects in materials or workmanship (mechanical and/or electrical parts). • Damages due to improper installation: •...

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