Kaden KN315INT Installer Manual

Ducted gas heaters
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INSTALLER'S
MANUAL
Ducted Gas Heaters
Safety Information
Installation
Commissioning
Models
Internal
KN315INT, KN320INT
KN325INT, KN330INT
KN420INT, KN430INT
KN521INT, KN530INT
External
KEX315C, KEX320C, KEX328C
KN420EXT, KN430EXT
KN521EXT, KN530EXT

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Summary of Contents for Kaden KN315INT

  • Page 1 INSTALLER’S MANUAL Ducted Gas Heaters Safety Information Installation Commissioning Models Internal KN315INT, KN320INT KN325INT, KN330INT KN420INT, KN430INT KN521INT, KN530INT External KEX315C, KEX320C, KEX328C KN420EXT, KN430EXT KN521EXT, KN530EXT...
  • Page 2 For continued safety of this appliance it must be installed and maintained in accordance with the manufacturer’s instructions. All Kaden gas products sold in Australia are A.G.A. certified. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 3: Table Of Contents

    Heater Positioning Installation of Internal Heaters ........................23 Installation in the Roof Space ......................23 5.1.1 Installation Beneath the Floor ......................23 5.1.2 Ventilation Calculations ..........................23 Installation of External Heaters ........................24 Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 4 12.2.2 Initial Ignition and Gas Inlet Pressure Check ..................44 12.2.3 Heater Temperature Settings and Fan Speed ................... 44 12.3 Final Checks ..............................46 12.4 Fault Code Identification on Heater PCB (KN4/KN5 only) ................46 Technical Specifications Technical Support Contacts Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 5: Warnings And Important Information

    A NOTE ON ILLUSTRATIONS The illustrations used in this manual are for explanatory purposes only and the shape of your unit NOTE may vary slightly from that which is shown in this manual. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 6 For safety and warranty purposes, appliances that may be damaged or incorrect must not be installed or operated under any circumstances. Installation of damaged or incorrect appliances may contravene local government regulations. Kaden disclaims any liability or responsibility whatsoever in relation to the installation or operation of damaged or incorrect appliances.
  • Page 7: Scope

    KN430INT KN430EXT KN521INT KN521EXT KN530INT KN530EXT Heater Overview All Kaden model heaters are non-condensing. For more details refer to Technical Specifications section. Definitions Shall Indicates a mandatory requirement of this manual. Should Indicates a recommended requirement of this manual. Any deviations from these instructions may, at the discretion of the manufacturer, void the warranty. As a result, the customer and/or installer may be charged a fee for non-product warranty related call outs.
  • Page 8: Installer Due Diligence For Changeovers

    You must ensure that the installation of the products will comply with those laws, regulations and standards, and that the products recommended to customers are fit for the purpose for which they are intended. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 9: General Product Guidelines

    Be sure there is a clear area to place the heater down, which is within reach of the lifting equipment. Do not use the lifting handles provided to lift the heater above head height. If fitting the heater to elevated heights such as a roof, use suitable lifting equipment. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 10: Service Connection Guidelines

    The electricity supply must be 220-240V at 50Hz, and supplied by an authorised power supplier. Generators should never be used to supply this system as their output may be incompatible with, or prone to damage electronic components of the heater. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 11: Internal Model Guidelines

    INTERNAL HEATER DIMENSIONS Diagram 1. KN3 Heater Dimensions GAS INLET THERMOSTAT WIRES ØSa POWER LID FLUE OUTLET Ø 100mm ØRa Table 1. KN3 Heater Dimensions (mm) MODEL øSa øRa KN315INT KN320INT KN325INT KN330INT Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 12: Service Clearances - Internal

    Kaden Internal Diagram 2. KN4 & KN5 Heater Dimensions øSa øRa Table 2. KN4 & KN5 Internal Heater Dimensions (mm) INTERNAL MODEL øSa øRa KN421INT / KN521INT 1021 KN430INT / KN530INT 1070 SERVICE CLEARANCES – INTERNAL 3.2.1 KN3 Internal Models All KN3 Internal models can be installed in accordance with 'Method 1', 'Method 2' and 'Method 3' below.
  • Page 13: Kn4 & Kn5 Internal Models

    Side View Plan View Method 2: In Ceiling and Under Floor Heat 800 mm Fan Cabinet Exchanger Minimum Cabinet 750mm Service Clearance Heat Minimum Exchanger Cabinet Cabinet Platform Side View Plan View Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 14 Method 4: Lay-down Option – Under Floor Lowest part of 200 mm ( refer to AS5601 floor structure Minimum 700 mm Service Minimum Clearance (Full length of heater) Concrete Base 50mm Ground Side View 750 mm Minimum Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 15: Splitting Internal Model Heaters

    NOTE Diagram 3. Supply and Return Air Return Air (Preferred Option) Supply Air Fan Housing (Preferred Option) Motor Heat Exchanger Return Air (Alternate Option) Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 16 5. Secure Blank Panel to open fan side of the appliance with remaining eight screws. Blank panel 3. Insert two screws removed in Step 1 to the bottom of the Side Pop panel. Insert screws Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 17: Kn4 & Kn5 Heaters Pop Orientation

    SUPPLY AIR RETURN AIR Position from SIDE SIDE Factory KN4 & KN5 External Supply Pop Position Return Pop Position from Factory from Factory HEATER CABINET FAN CABINET SUPPLY AIR RETURN AIR SIDE SIDE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 18: Internal Model Flueing Instructions

    Please refer to the instructions supplied with a remote flue terminal. Diagram 6 depicts a typical Internal underfloor configuration. Diagram 6. Typical Remote Terminal Configuration - All Internal Models HOUSE FLOOR Kaden Part No:1621343 Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 19: External Model Guidelines

    1096 Diagram 8. KEX3C Heater Dimensions Heater Flue Terminal øSa øRa Gas Inlet Table 5. KEX3C Heater Dimensions (mm) Base Model ØSa ØRa KEX315C KEX320C KEX328C 1120 1028 All dimension in mm Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 20: Service Clearances

    End: A minimum of 300mm must be provided at each end of the heater. Top: A minimum of 1000mm must be provided above the heater roof. This clearance must be maintained for the entire surface area of the heater roof. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 21: Reversing The Heater

    REVERSING THE HEATER 4.3.1 KN4 & KN5 Duct Orientation The duct orientation of Kaden External heaters can be reversed if the installation requires it. • Remove the screws at the bottom edge of the front panel of the heater, and carefully lift away the front panel, without scratching or marking it.
  • Page 22: Installation Of Duct Connection Pops

    INSTALLATION OF DUCT CONNECTION POPS On all Kaden heaters, the duct connection pops need to be fastened to the heater cabinet as follows: • Insert pops into the hole in the pop plate, ensuring the pop flange is placed over the prescribed wall of the cabinet, refer to "Table 6.
  • Page 23: Heater Positioning

    Downflow unit. The upper vent shall be located at or above the top of the unit. The two openings may be combined as long as the above conditions are met. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 24: Installation Of External Heaters

    If the heater is to be installed in an elevated position or on a roof, the installation shall comply with AS/NZS 5601. It must be secured to prevent movement and it must have adequate provision for service access. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 25: Installation

    Diagram 13. KN4 & KN5 Duct Joiner Location & Thermostat Position EXTERNAL MODEL INTERNAL MODEL SUPPLY AIR DUCT THERMISTOR 1.0m to 3.0m SUPPLY AIR DUCT Do not place thermistor at the base of the duct as this may impact appliance performance. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 26: Installation

    Wall cut out area Ground level Diagram 14. 6.2.2 Temperature Limit Positioning (applicable to KEX3/4C only) Bend overheat bracket down during installation 107.0° Do not bend overheat bracket past the angle stopper Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 27: Installation Of Flashing - Kex3C

    Step 3. Sit top flashing on top of side flashing Step 4. Push the heater up against the wall and edges. Once in place silicone along the secure side flashing to the wall. upstanding face of top flashing. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 28: Installation Of Flashing - Kn4 & Kn5 External

    It is important to allow for sufficient slack in the ducting connected to the heater's pops, to allow the heater to be moved out from the wall if required for servicing. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 29: Installation Of Flue Terminal

    A flue terminal of this type shall not be located under a roofed area, unless the roofed area is fully open on at least two sides, and a free flow of air at the appliance is achieved. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 30: Fan Speed Kn3 & Kex3C

    For Low fan speed move terminal from “HIGH” to “LOW” • Turn the power back on once complete When setting the fan speed ONLY move the HIGH, MED and LOW connection, DO NOT alter the common connection. IMPORTANT Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 31: Ducting And Outlets

    Ceiling systems with a high level return air may result in reduced performance. • For Kaden heaters, access to the ductwork must be provided for general maintenance and service to the supply air thermistor sensor. It is important that the ducting should be well insulated. It is mandatory under building codes to install insulated, fire rated duct.
  • Page 32: Outlet Chart Information

    Connecting the return air duct to the end of the unit reduces the rated airflow by up to 30%. The total number of outlets normally permitted for a heating system shall be reduced by 2 (refer to the outlet register chart located on Table 10 on page 33). Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 33 1080 KN521EXT KN530EXT KN4 Heaters KN420INT KN430INT 1080 KN420EXT KN430EXT KN3 Heaters KN315INT KN320INT KN325INT KN330INT KEX315C (300mm)** KEX320C (300mm)** KEX320C (350mm)** KEX328C (350mm)** KEX328C (400mm)** ** Model and base-box duct size Network 516 modules can only be used on heaters manufactured after 1 March 2010.
  • Page 34: Thermostat Installation

    Use the right cable Ensure the cable is 0.75mm in cross-section and less than 100m in length. MANUAL THERMOSTAT INSTALLATION Manual thermostats can be connected directly to KN5, KN4, KN3 and KEX3C series heaters. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 35: Connect A Manual Thermostat

    For fan-only operation, wire a switch in circuit between heater terminals R and G. Diagram 17. KN4 & KN5 Series Manual Thermostat Manual Thermostat KN4 & KN5 Series Control Module Diagram 18. KEX3C Manual Thermostat KEX3C Terminal Block Manual Thermostat Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 36: Networker Installation: Single And Multiple Connections

    Heater settings can be adjusted from either networker and will remain common to both networkers. That is, when a heater setting is adjusted using one networker, the setting is immediately reflected on the other networker. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 37: Change A Networker From Slave To Master

    If the message does not display, repeat from Step a. c. Turn the rotary dial to change 'ID00: #' to 'ID00: 1' (1 = master, 2 = slave). d. Press the on/off button to save and exit. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 38: Network 516 Manual

    Connect the other end of the cable to the terminals marked R and W in the heater’s electronic control module, refer to Diagram 22. KEX3C Wiring. Diagram 22. KEX3C Wiring Manual Wall Control KEX3C Backing Plate Thermostat Face W & R – Terminal Block Round Knockout Grommet for control cable access Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 39 Diagram 23. KN3 Thermostat Wiring Diagram Note: Connect the W & R wire from the thermostat to the terminal block accordingly. Incorrect connection may result in a short circuit and could cause damage to the appliance. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 40: Adaptive Zoning And Add-On Air Conditioning

    Diagram 25 details the Normally Closed (N/C), Zero Volt (OV) and Normally Open (N/O) connections for the RJ12 socket and terminal block connections for zones A, B, C and D on heater PCB. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 41: Connect A Damper Motor To The Control Module

    ZONE A Diagram 28. 240VAC Power Open/Power Close Damper Motor 240VAC Relay 240VAC Supply Active RJ12 Neutral Connectors ZONE B Damper Motor Close 240VAC ZONE A Common Power Open/ Open Power Close Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 42: Commissioning And Control Settings

    Zone Module – up to 4 Heating + Zone Module – up Heater PCB Add-On to 4 ‘ADD-ON’ terminal Heating + Zone Module – up Zone Module Add-On to 3 ‘ADD-ON’ terminal Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 43 Turn the rotary dial to adjust the parameter value, e.g. H01 ID01: 1. f. Press the on/off button to save and exit. All settings are saved automatically when the on/off button is pressed to exit networker set-up mode. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 44: Commissioning Instructions

    The airflow from down-vent ceiling diffusers in main living areas should be felt near floor level. For setting fan speed for KN3 and KEX3 models, refer to "7.1.1 To Adjust The Fan Speed" on page 30 Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 45 Adjust the EHTG fan speed setting (H01 ID03) to provide the required amount of air through the remaining open outlets, ensuring that the temperature rise does not exceed 45ºC. Do not adjust the thermistor set temperature while setting up the EHTG fan speed. Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 46: Final Checks

    Both L.E.D’s will flash together for the first three flashes and then ‘PRIMARY STATUS L.E.D 1’ will stop while ‘PRIMARY STATUS L.E.D 2’ will flash two more times, example flash sequence below. Primary Status L.E.D 1 Primary Status L.E.D 2 Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 47 To reset the appliance and clear a lockout fault press and hold the ‘CLEAR’ button for three seconds on the heater control board or reset through a Networker controller if connected. Assist the customer with filling in the Warranty Details on the company website: http://www.kadenwarranty.com and follow the links. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 48: Technical Specifications

    2.25 0.54 1055 1030 KN420INT 2.25 0.44 KN430INT 2.25 0.60 1179 1140 1110 1080 KN420EXT 2.25 0.39 KN430EXT 2.25 0.50 1000 KN315INT 2.25 0.30 KN320INT 2.25 0.30 KN325INT 2.40 0.38 KN330INT 2.25 0.51 1000 KEX3C KEX315C (300mm)** 2.25 0.28 KEX320C (300mm)** 2.25...
  • Page 49: Technical Support

    14. TECHNICAL SUPPORT For technical support please call Product warranty registration forms can be found online at www.kadenwarranty.com or 1300 4KADEN (1300 452 336) in the owner’s manual. NOTE Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 50 NOTES Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 51 Kaden Ducted Gas Heater IM – ISSUE A...
  • Page 52: Contacts

    15. CONTACTS B065800 Issue A December 2024...

This manual is also suitable for:

Kn320intKn325intKn330intKn420intKn430intKn521int ... Show all

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