Thermann TH50ECR6N Installer Manual

Thermann TH50ECR6N Installer Manual

Gas continuous flow water heaters

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INSTALLER'S
MANUAL
Gas Continuous Flow Water Heaters
Installation Details
Warranty
Models
TH50ECR6N
TH50ECR6L
TH32ECR6N
TH32ECR6L
TH28ENR6N
TH28ENR6L
*SBB813X*

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Summary of Contents for Thermann TH50ECR6N

  • Page 1 INSTALLER'S MANUAL Gas Continuous Flow Water Heaters Installation Details Warranty Models TH50ECR6N TH50ECR6L TH32ECR6N TH32ECR6L TH28ENR6N TH28ENR6L *SBB813X*...
  • Page 2 Thermann Installer's Manual Gas Continuous Flow Water Heaters To be installed and serviced only by an authorised person. This appliance is not suitable for use as a pool heater. The "authorised installing person" is responsible for: 1. Correct commissioning of this appliance 2.
  • Page 3: Table Of Contents

    CONTENTS 1. Included Accessories 2. Optional Accessories 3. Dimensions 4. Component Details Example 5. Quick Connect Multi System Installation 6. Before Installation 7. Specifications 8. Choosing Installation Site 9. Installation Clearances 10. Installation 11. Gas Piping 12. Water Piping 13. Condensate Piping 14.
  • Page 4 Thermann Installer's Manual Gas Continuous Flow Water Heaters Installation Manual Condensing Models Non Condensing Models TH50ECR6N TH32ECR6N TH28ENR6N TH50ECR6L TH32ECR6L TH28ENR6L Potential dangers from accidents during installation and use are divided into the following three categories. Closely observe these warnings, they are critical to your safety.
  • Page 5: Included Accessories

    Included Accessories The following accessories are included with the unit. Check for any missing items before starting installation. TH50ECR6 series Part Shape Q’ty Part Shape Q’ty Owner's Guide, Anchoring Screw Installation Manual each (this document) Remote Controller Cord Remote Controller (3m) TH32ECR6 series, TH28ENR6 series Part...
  • Page 6: Dimensions

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Dimensions TH50ECR6 series (VIEW FROM TOP) <Unit : mm> HOT WATER OUTLET(R1) COLD WATER INLET(R1) GAS INLET(R3/4) WIRING THROUGHWAYS CONDENSATE DRAIN(R1/2) WIRING THROUGHWAYS 12×6×10 OBLONG HOLE 6×φ13 AIR INLET CONDENSATE DRAIN WIRING THROUGHWAYS 6×φ13...
  • Page 7 TH32ECR6 series (VIEW FROM TOP) <Unit : mm> GAS INLET(R3/4) COLD WATER INLET(R3/4) HOT WATER OUTLET(R3/4) DRAIN OUTLET(R1/2) WIRING THROUGHWAYS 4-φ13 6-6×10 OBLONG HOLE FLUE COLLAR AIR INLET AIR INLET WATER DRAIN VALVE WIRING THROUGHWAYS (WATER FILTER) DRAIN OUTLET WATER DRAIN VALVE GAS INLET 6-6×10 OBLONG HOLE WATER DRAIN VALVE...
  • Page 8 Thermann Installer's Manual Gas Continuous Flow Water Heaters TH28ENR6 series (VIEW FROM TOP) <Unit : mm> HOT WATER OUTLET (R3/4) COLD WATER INLET (R3/4) GAS INLET (R3/4) WIRING THROUGHWAY 2-6.5x13 OBLONG HOLE 10.8 FLUE COLLAR 4-Φ13 AIR INLET 4-Φ13 AIR INLET WIRING THROUGHWAYS 3-6.5x16.5 OBLONG HOLE...
  • Page 9: Component Details Example

    Component Details Example TH50ECR6 series model shown for illustration only Ex. TH50ECR6...
  • Page 10 Thermann Installer's Manual Gas Continuous Flow Water Heaters TH32ECR6 series model shown for illustration only Ex. TH32ECR6...
  • Page 11 TH28ENR6 series model shown for illustration only Ex. TH28ENR6...
  • Page 12: Quick Connect Multi System Installation

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Quick Connect Multi System Installation • The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. The Quick Connect Cord is 2m long. Install the units to ensure the cord will be able to reach between the units.
  • Page 13: Before Installation

    Check the Gas • Check that the data label (Side of casing). • Check that the gas supply line is sized for TH50ECR6N, TH50ECR6L: 328 MJ/hr, 328 MJ/hr TH32ECR6N, TH32ECR6L: 217 MJ/hr, 217 MJ/hr For NG Gas TH28ENR6N, TH28ENR6L: 220 MJ/hr, 220 MJ/hr xxxxxxxx •...
  • Page 14: Specifications

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Specifications Model Name TH50ECR6N TH50ECR6L Approval certification number SAI-400353 Installation Outdoor, Wall Mounted Type Air Supply/Exhaust Power Flue Operating Pressure 200 -800 kPa Minimum Flow Rate 2.0 L/min. Dimensions 830mm (Height) x 480mm (Width) x 360mm (Depth)
  • Page 15 Model Name TH28ENR6N TH28ENR6L Approval certification number SAI-400265 Installation Outdoor, Wall Mounted Type Air Supply/Exhaust Power Flue Operating Pressure 200 -1,000 kPa Minimum Flow Rate 2.5 L/min. Dimensions 600mm (Height) x 350mm (Width) x 240mm (Depth) Weight 26 kg Water Holding Capacity 1.0 L Water Inlet R 3/4 (20mm)
  • Page 16: Choosing Installation Site

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Choosing Installation Site * Locate the appliance in an area where water leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower floors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance.
  • Page 17: Installation Clearances

    CAUTION • Install the water heater in a location where it is free from obstacles and stagnant air. • Consult with the customer concerning the location of installation. • Do not install the water heater near staircases or emergency exits. •...
  • Page 18 Thermann Installer's Manual Gas Continuous Flow Water Heaters CLEARANCES FOR FLUE TERMINAL (front of heater) The location of the flue terminal must comply with the clearances shown on this page. If you are unsure about clearances not indicated here, in general refer to AS/NZS5601, or your local authority. In Western Australia refer to the WA Office of Energy rules and regulations.
  • Page 19: Installation

    Installation Securing to the wall • Installation must conform with all local building, water and Gas Regulations and AS/NZS5601. • The weight of the device will be applied to the wall. If the strength of the wall is not sufficient, reinforcement must be done to prevent the transfer of vibration.
  • Page 20 Thermann Installer's Manual Gas Continuous Flow Water Heaters TH50ECR6 series Item Check Illustration Location of Screw Hole CAUTION • When installing with bare hands, take caution to not Mounting Bracket inflict injury. (upper) • Be careful not to hit electrical wiring, gas, or water piping while drilling holes.
  • Page 21: Gas Piping

    Gas Piping Follow the instructions from the gas supplier. The appliance must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 3.5 kPa. The appliance and its gas connections must be leak tested before placing the appliance in operation. The inlet gas pressure must be within the range specified.
  • Page 22: Water Piping

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Water Piping Installation and service must be performed by a qualified plumber. Observe all applicable codes. This appliance is suitable for potable water applications. Do not use this appliance if any part has been underwater.
  • Page 23 Hot water line • Pipe and fittings must meet the installation requirements of AS/NZS 3500.4 . • Hot water lines should be lagged with suitable insulating material. • DO NOT FIT ANY VALVES OR RESTRICTORS TO THE OUTLET OF THE WATER HEATER. •...
  • Page 24: Condensate Piping

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Condensate Piping (only TH50ECR6 series and TH32ECR6 series) CAUTION Due to the acidic nature of the condensate, be sure to properly drain and if necessary, treat the condensate prior to disposal. Damage caused by improperly handled condensate is not covered by the warranty.
  • Page 25 Condensate piping to floor drain Condensate piping with pump Condensing Condensing Continuous Flow Continuous Flow Water Heater Water Heater DO NOT ADD DO NOT ADD ANY VALVES ANY VALVES 1/2" PVC pipe 1/2" PVC pipe Slope pipe downwards 3/8" ID tubing* 1/2"...
  • Page 26: Plumbing Applications

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Plumbing Applications Recirculation System Hot Water Return Cold Water Supply Continuous Flow Water Heater Fixtures Expansion Tank (Install according to local code) Gas Supply Globe Aquastat(*3) Valve Pump(*1) Pump Control Signal(*2) Only TH50ECR6 series...
  • Page 27: Electrical Wiring

    Electrical Wiring WARNING Electrical Shock Hazard Do not turn power on until controllers have been connected. Disconnect power before servicing. Failure to do so may result in death or serious injury from electrical shock. • The appliance is equipped with a 1.5m cable with a three pinned earthed plug to be connected to 230 - 240VAC at 50 Hz.
  • Page 28: Temperature Setting

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Temperature Setting To ensure compliance with Australian Standard AS/NZS3500.4, for sanitary areas, install the water heater with a tempering valve. In New Zealand, please refer to the New Zealand Building Code and all other applicable electrical, gas fitting and plumbing codes.
  • Page 29 WARNING • When changing the temperature, make sure to confirm with the customer that the temperature of the hot water will be very high and that there is a risk of scalding. Connecting Remote Controller Cord to Unit • Tie the excess cord outside the water heater. Do not put the extra length inside the water heater. •...
  • Page 30 Thermann Installer's Manual Gas Continuous Flow Water Heaters Remote controller cord (TH32ECR6 series, TH28ENR6 series) • Use remote controller cord for any extensions. • Install according to the National Electrical Code and all applicable local codes. 1. Disconnect electrical power to the water heater.
  • Page 31 * This feature is not available when using Pump Wiring (Only TH50ECR6 series) the Quick Connect Multi System feature. Connecting the pump control wire 1. Leave enough slack so that the pump control wires will stay connected if the unit is removed from the PUMP RELAY Tag wall.
  • Page 32: Connecting Quick Connect Cord

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Connecting Quick Connect Cord For Quick Connect Multi System Installation use part No.CF-0706891 only. (sold separately). Caution The wire coloring on the Quick Connect Cord will not be the same as the wire coloring of the connection plug inside the unit.
  • Page 33: Maintenance

    Maintenance Periodically check the following to ensure proper operation of the water heater. • The flueing system must be examined periodically by a qualified service technician to check for any leaks or corrosion. • The burner flame must be checked periodically for a proper blue color and consistency. •...
  • Page 34: Trial Operation

    Thermann Installer's Manual Gas Continuous Flow Water Heaters Trial Operation • Preparation ... (1) Open a hot water fixture to confirm that water is available, and then close the fixture. (2) Open the gas supply valve. (3) Turn on the power supply. Using the remote controller, turn on the Power ON/OFF button (the Operation lamp will turn on).
  • Page 35 WARNING A fire or explosion may result if these instructions are not followed, which may cause lose of life, personal injury or property damage. Lighting Instructions This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner.
  • Page 36: Water Quality

    Thermann Installer's Manual Gas Continuous Flow Water Heaters WATER QUALITY All Thermann water heating appliances are constructed from high quality materials and components and all are certified for compliance with relevant parts of Australian and New Zealand gas, electrical and water standards.
  • Page 37 Multi-System Install one system controller (SC-401-6M) for every six units. Only TH50ECR6 series and TH32ECR6 series. A. Installation without a recirculation system (Standard System) Unit 1 Unit 2 Unit 6 System Controller Remote Controller * The remote controller terminal location may differ depending on the unit.
  • Page 38 Thermann Installer's Manual Gas Continuous Flow Water Heaters B-1. Example of Recirculation with a Multi-System (Recirculation system) Only TH50ECR6 series and TH32ECR6 series. This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
  • Page 39 B-2. Example of Installation with a Storage Tank and Recirculation System (Tank recirculation system) Only TH50ECR6 series and TH32ECR6 series. The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
  • Page 40 Thermann Installer's Manual Gas Continuous Flow Water Heaters Multi-System Wiring (Use SC-401-6M) Only TH50ECR6 series and TH32ECR6 series. Unit 1 System Controller * Connect these to the No.6 remote control terminal No.5 block in each unit No.4 No.3 No.2 90 90...
  • Page 41 Multi-System Install one external system controller (SCU-401-12M) for every 12 units. For all models. A. Installation without a recirculation system (Using external system controller) (Standard System) * The remote controller terminal location may differ depending on the unit.
  • Page 42 Thermann Installer's Manual Gas Continuous Flow Water Heaters B-1. Example of Recirculation with a Multi-System (Using external system controller) (Recirculation system) This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
  • Page 43 B-2. Example of Installation with a Storage Tank and Recirculation System (Using external system controller) (Tank recirculation system) The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
  • Page 44 Thermann Installer's Manual Gas Continuous Flow Water Heaters Multi-System Wiring (Use SCU-401-12M) For all models. CAUTION • The below diagram shows the connection of 3 units to the system controller. When connecting 4 or more units, follow the same procedure.
  • Page 45 Remote Controller Requests to Installers • In order to use the water heater safely, read this installation guide carefully, and follow the (Optional or Included) installation instructions. • Failures and damage caused by erroneous work or work not as instructed in this manual Installation Guide are not covered by the warranty.
  • Page 46 Thermann Installer's Manual Gas Continuous Flow Water Heaters Post-installation Checks Explanation to the Customer (1) Check if the remote controller is installed securely. Explain the “Important Safety (2) Verify remote controller operation (see OWNERS GUIDE). Information”, “Operation Procedures” * Press the Power On/Off button approximately 5 seconds after and “Follow-up Service”...
  • Page 47 Installation 1. Attach the mounting bracket to the wall. <When attaching to a concrete wall surface> The parts to be used vary depending on the • Drill a ø6mm hole, approx. 25mm - 30mm in attachment method. depth, and hammer in the wall anchor. Attach the mounting bracket using the raised * Never use electric drivers, impact drivers countersunk head wood screws.
  • Page 48 Thermann Installer's Manual Gas Continuous Flow Water Heaters 3. Connect a Y-shaped terminal of the remote 5. Attach the remote controller to the mounting bracket. control cord to a terminal stand of the remote Insert the bottom of the remote controller into the control in back side.
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This manual is also suitable for:

Th50ecr6lTh32ecr6nTh32ecr6lTh28enr6nTh28enr6l

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