Aqua MAX CF26 series Owner's Manual And Installation Instructions
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Aqua MAX CF26 series Owner's Manual And Installation Instructions

Continuous flow gas water heater
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Owner's Guide
and

Installation Instructions

Continuous Flow
Gas Water Heater
CF26 series
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.

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  • Page 1: Installation Instructions

    Owner’s Guide Installation Instructions Continuous Flow Gas Water Heater CF26 series This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 Upon completion of the installation and commissioning of the water heater, leave this guide Warning: with the householder or a responsible officer. DO NOT leave this guide inside of the cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 25. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4 Temperature Control ......................... 11 Water Supplies ........................... 22 Save A Service Call ........................23 Installation –...

  • Page 4: About Your Water Heater

    ABOUT YOUR WATER HEATER WATER HEATER APPLICATION This water heater is designed for use in a single family domestic dwelling for the purpose of heating potable water. Its use in an application other than this may shorten its life. MODEL TYPE ®...
  • Page 5 ABOUT YOUR WATER HEATER MAINS PRESSURE The water heater is designed for direct connection to the mains water supply. If the mains supply pressure in your area exceeds that shown on page 28, a pressure limiting valve must be fitted. The supply pressure should be greater than 140 kPa for the rated flow and performance to be achieved.
  • Page 6 ABOUT YOUR WATER HEATER WARNING This water heater is only intended to be operated by persons who have the experience or the knowledge and the capabilities to do so. This water heater is not intended to be operated by persons with reduced physical, sensory or mental capabilities i.e.
  • Page 7 ABOUT YOUR WATER HEATER GENERAL MAINTENANCE The jacket of the water heater can be cleaned with a soft cloth and warm mild soapy water. Under no circumstances should abrasive materials or powders be used. The area around the water heater can be sprayed with insecticide to rid the area of insects. Insects encroaching into or nesting in the water heater can interfere with the operation of the water heater and also damage components.
  • Page 8 ABOUT YOUR WATER HEATER TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater: Turn off the controllers(s) (if fitted) by pressing the on / off button. The light in the on / off button will go out and the priority light, if it is on, will go out. Switch off the electrical supply at the power outlet to the water heater if there is no risk of freezing conditions occurring (refer to note below).
  • Page 9 ABOUT YOUR WATER HEATER FROST PROTECTION The water heater has a frost protection system. The frost protection system will protect the water heater from damage, by preventing ice forming in the waterways of the water heater, in the event of freezing conditions occurring.
  • Page 10 ABOUT YOUR WATER HEATER HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY? Installation requirements are shown on pages 36. The water heater must be installed: by a qualified person, and in accordance with the installation instructions, and in compliance with Standards AS/NZS 3500.4, AS 5601 or AS/NZS 5601.1, as applicable under local regulations, and all local codes and regulatory authority requirements.

  • Page 11: Temperature Control

    TEMPERATURE CONTROL CONTROLLERS The Aquamax CF26 series of continuous flow water heaters can be installed with Aquamax controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. There are three types of controller. They are the Kitchen controller (PN AQ3264101, including cable), Bathroom1 controller (PN AQ3264102, including cable) and the Bathroom2 controller (PN AQ3264103, including cable).
  • Page 12 TEMPERATURE CONTROL CONTROLLER FUNCTIONS If one or more controllers are installed, at least one must be on for the water heater to operate. If all controllers are off, the water heater will only deliver cold water. on / off button – This button must be pressed once to turn on the controller.
  • Page 13 TEMPERATURE CONTROL CONTROLLER priority light in use light  up display panel button water volume symbol  down button water volume operating light on / off operating light water volume button on / off controller type button K = Kitchen B1 = Bathroom1 B2 = Bathroom2 Note: water volume button, water volume operating light and water volume symbol are on the Kitchen...
  • Page 14 TEMPERATURE CONTROL TEMPERATURE SETTINGS The temperature settings of each type of controller are: Bathroom1 & 2 37°C to 46°C (in 1°C increments), 48°C*, 50°C Kitchen 37°C to 46°C (in 1°C increments), 48°C*, 50°C, 55°C, 60°C * limited to 48°C on a CF26-50 model. Temperature settings warm average hot shower...
  • Page 15 TEMPERATURE CONTROL TEMPERATURE ADJUSTMENT A controller must be on and have priority to be able to adjust the temperature setting. The temperature adjustment is made by pressing the up () button or down () button. The maximum temperature setting for the controllers are: Kitchen Bathroom CF26-60 series...
  • Page 16 TEMPERATURE CONTROL KITCHEN CONTROLLER The Kitchen controller allows the user to select the temperature setting for the hot water to be used in the kitchen and laundry. It has a minimum temperature setting of 37°C and a maximum temperature setting of: CF26-60 series 60°C CF26-50 series...
  • Page 17 TEMPERATURE CONTROL To operate the Kitchen controller: Turn off the Bathroom controller(s) If a temperature setting is displayed and the priority light is not glowing, it is necessary to turn off the  Bathroom controller(s) to gain priority. Refer to the notes on the Kitchen controller on page 16.
  • Page 18 TEMPERATURE CONTROL BATHROOM CONTROLLERS The Bathroom controller(s) allows the user to select the temperature setting for the hot water to be used in the bathroom. They have a minimum temperature setting of 37°C and a maximum temperature setting of: CF26-60 series 50°C CF26-50 series 48°C...
  • Page 19 TEMPERATURE CONTROL To operate a Bathroom controller: Turn off the Kitchen controller If a temperature setting is displayed and the priority light is not glowing, it is advised to turn off the  Kitchen controller. Refer to the notes on the Bathroom controllers on page 18.
  • Page 20 TEMPERATURE CONTROL WATER VOLUME FUNCTION The water volume function is designed to warn, by a beeping sound, that a certain volume of water has been delivered from the water heater. It does not stop either the flow of or the heating of water. This function is particularly useful if a bath is being filled, or measuring the water consumed by the use of a shower.
  • Page 21 TEMPERATURE CONTROL Turn off the alarm i n us e pri ori ty Press the water volume button to turn off the alarm.  The water volume operating light goes out and 0 x10l is displayed momentarily on the controller. The temperature setting of the controller with priority is then displayed.

  • Page 22: Water Supplies

    WATER SUPPLIES This water heater must be installed in accordance with this advice to be covered by the Aquamax warranty. This water heater is manufactured to suit the water conditions of most public reticulated water supplies. However, there are some known water chemistries which can have detrimental effects on the water heater and its operation and / or life expectancy.

  • Page 23: Save A Service Call

    SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault, which is not related to manufacture or failure of a part (refer to “Terms of the Aquamax Warranty” page 55).
  • Page 24 SAVE A SERVICE CALL GAS BOOSTER OPERATING TOO FREQUENTLY If the water heater is installed as an in-series gas booster to a solar water heater, you may find that the water heater operates more frequently than expected. This will occur when the solar heated water temperature is lower than 58°C, which may be experienced during periods of low solar energy gain or if there has been heavy hot water usage.
  • Page 25 SAVE A SERVICE CALL CLOUDS OF WHITE ‘VAPOUR’ FROM THE FLUE TERMINAL During the heating cycle, it is not unusual to see water vapour clouds steaming from the flue terminal, particularly on cold days. This is normal operation of the water heater. PRESSURE RELIEF VALVE DISCHARGING A pressure relief valve is incorporated into the water heater controls.

  • Page 26: Installation - Water Heater

    INSTALLATION – WATER HEATER THIS WATER HEATER IS FOR OUTDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. Check the water heater is suitable for the gas type available. (refer to the rating label on the water heater) INSTALLATION STANDARDS The water heater must be installed: by a qualified person, and...
  • Page 27 INSTALLATION – WATER HEATER This water heater must be installed vertically upright with the water, gas and power connections on the underside, pointing toward the ground. The back of the water heater can be either against a wall or supported by a frame. The water heater must be secured to the wall or frame using either the screws provided or other mounting screws suitable for the application, two each at the top and bottom of the unit (refer to page for mounting hole...
  • Page 28 (such as an RMC PSL series valve) is required and should be fitted as shown in the installation diagram (refer to page 36). Model CF26 series Relief valve setting 1750 kPa Max. mains supply pressure 1000 kPa Min.
  • Page 29 INSTALLATION – WATER HEATER HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature limiting device be fitted between a CF26-60 model water heater and the hot water outlets in any ablution and public areas such as a bathroom, ensuite or public amenities, to reduce the risk of scalding.
  • Page 30 INSTALLATION – WATER HEATER Gas Booster for a Solar Water Heater The temperature limiting device used with a CF26-60 model in-series gas booster as part of a solar water heater installation must have the additional capability of receiving a hot water supply temperature of up to 99°C if the solar water heater does not have an over temperature protection system to limit the water to no greater than 90°C.
  • Page 31 INSTALLATION – WATER HEATER CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A CF26-60 model water heater can be installed as part of a circulated hot water flow and return system in a building. Notes: the preset outlet temperature setting of the water heater must be set to at least 60°C. temperature controllers should not be installed with a water heater as part of a circulated hot water flow and return system.
  • Page 32 INSTALLATION – WATER HEATER from solar storage tank Circulated Hot Water Flow and Return In-series Gas Booster as part of a Solar Water Heater Installation LEGEND REDUCING HEAT LOSSES The hot water line from the water heater and the pipe work between the solar storage tank, if one is installed, LEGEND and the in-series gas booster must be insulated in accordance with the requirements of AS/NZS 3500.4.
  • Page 33 INSTALLATION – WATER HEATER WATER TEMPERATURE DIAGRAMS CF26-NG-50 CF26-NG-60 CF26-LP-50 CF26-LP-60 CF26-60 series Kitchen and Bathroom Controllers CF26-50 series CF26-NG-60 CF26-NG-50 CF26-LP-60 CF26-LP-50 CF26-60 series Kitchen Controller Only CF26-50 series CF26-NG-60 CF26-NG-50 CF26-LP-60 CF26-LP-50 CF26-60 series Bathroom Controllers Only CF26-50 series CF26-NG-50 CF26-NG-60 CF26-LP-50...
  • Page 34 60°C Gas Details Hourly Gas Test Point Gas Pressure (kPa) Min. Gas Max. Gas Consumption Pressure (kPa) Pressure (kPa) minimum maximum (MJ) CF26 series CF26 series CF26 series CF26 series CF26 series Natural 1.13 0.200 1.000 3.50 Propane 2.75 0.244 1.370...
  • Page 35 INSTALLATION – WATER HEATER DIMENSIONS – CONTROLLERS Kitchen Controller Bathroom Controller...

  • Page 36: Typical Installation

    INSTALLATION – WATER HEATER TYPICAL INSTALLATION – OUTDOOR LOCATION 871, 875, 241, 245 SERIES CONTINUOUS FLOW GAS WATER HEATER TYPICAL INSTALLATION...

  • Page 37: Connections - Plumbing

    All gas work must be carried out by a qualified person and in compliance with the Standard AS 5601 or AS/NZS 5601.1, as applicable under local regulations, and all local codes and regulatory authority requirements. CONNECTION SIZES Model CF26 series Hot water connection R¾/20 Cold water connection R¾/20 Gas inlet connection R¾/20...
  • Page 38 CONNECTIONS – PLUMBING PIPE SIZES The pipe sizing for hot water supply systems should be carried out by persons competent to do so, choosing the most suitable pipe size to ensure adequate flow for each individual application. Reference to the technical specifications of the water heater and local regulatory authority requirements must be made.

  • Page 39: Connections - Electrical

    Gas water heater 64 Watts CF26 series – Burner on, anti frost device inactive 150 Watts CF26 series – Burner on, anti frost device active The water heater will only operate on a sine wave at 50 Hz. Devices generating a square wave cannot be...

  • Page 40: Installation - Controllers

    INSTALLATION – CONTROLLERS CONTROLLERS The Aquamax CF26 series of continuous flow water heaters can be installed with Aquamax controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. There are three types of controller. They are the Kitchen controller (PN AQ3264101, including cable), Bathroom1 controller (PN AQ3264102, including cable) and the Bathroom2 controller (PN AQ3264103, including cable).
  • Page 41 INSTALLATION – CONTROLLERS KITCHEN CONTROLLER The Kitchen controller (PN AQ3264104) is to be installed in the kitchen or laundry only. It has a minimum temperature setting of 37°C and a maximum temperature setting of: CF26-60 series 60°C CF26-50 series 48°C Choose a suitable location for the Kitchen controller, away from water, heat and sunlight.
  • Page 42 INSTALLATION – CONTROLLERS controller suitable wall anchors wall penetration cable projections terminal screws screws base plate controller screw Kitchen Controller Installation Concealed Cable If it is necessary to have an exposed wiring installation, follow this procedure omitting Steps 1 and 4, and make an opening in the thin section in the underside of the controller to accommodate the cable (as shown in the diagram), prior to Step 6.
  • Page 43 INSTALLATION – CONTROLLERS BATHROOM1 AND BATHROOM2 CONTROLLERS If only one Bathroom controller is to be installed, the Bathroom1 Controller (PN AQ3264105) must be used. If two Bathroom controllers are to be installed, one must be a Bathroom1 controller and the other must be a Bathroom2 controller (PN AQ3264106).
  • Page 44 INSTALLATION – CONTROLLERS Wiring installation: Penetrate the wall with a 30-35 mm hole at the controller location. Install the supplied cable between the location of the controller and the water heater. Remove the base plate from the controller. Peel off one side of the adhesive paper from the foam packing and adhere to the back face of the base plate.
  • Page 45 INSTALLATION – CONTROLLERS CONNECTING THE CONTROLLER(S) TO THE WATER HEATER To connect the controller(s) to the water heater: water heater Ensure the electrical supply to the water heater is switched off. Unscrew and gently remove the electrical cover from the underside of the water heater.

  • Page 46: Commissioning

    COMMISSIONING All water heaters are tested and adjusted before dispatch from the factory, however further adjustments may become necessary because of local conditions. TO TURN ON THE WATER HEATER Open all of the hot taps in the house (don‟t forget the shower). Open the cold water isolation valve fully at the inlet to the water heater.
  • Page 47 COMMISSIONING Gas Inlet Test Point Pressure To check the gas inlet pressure: Close any hot taps and ensure the burners are not operating. Close the gas isolation valve at the gas inlet to the water heater. Locate the gas inlet test point on the gas connection to the water heater.
  • Page 48 COMMISSIONING BURNER GAS PRESSURE It is necessary to check the burner gas pressure at both the minimum and maximum operational settings. To check and if necessary adjust the operational gas pressures, the electrical supply to the water heater must be switched on, the burners ignited and hot water must be flowing from a hot tap. Warning: The removal of the front panel will expose 240 volt wiring.
  • Page 49 MAX button instead of the MIN button. It may be necessary to open two or three hot taps fully. Note: In Step 9, “4H” (CF26 series) will be shown on the LED display. After setting the minimum and maximum test point gas pressures: Close the hot tap.
  • Page 50 COMMISSIONING PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is: CF26-60 series 60°C CF26-50 series 48°C If a temperature controller is connected to the water heater, this will override the preset outlet temperature setting and the maximum temperature setting will be: CF26-60 CF26-50 Maximum Outlet Temperature...
  • Page 51 COMMISSIONING TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING The temperature settings will be displayed on the LED display. The preset outlet temperature settings are: CF26-60 series 40°C, 43°C, 50°C, 55°C, 60°C, 70°C CF26-50 series 40°C, 43°C, 48°C It is necessary to have the electrical supply to the water heater switched on during stages of checking or adjusting the preset outlet temperature setting procedure.

  • Page 52: Draining The Water Heater

    COMMISSIONING TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater on completion of the installation, such as on a building site or where the premises is vacant, then: Turn off the controllers(s) (if fitted) by pressing the on / off button. The light in the on / off button will go out and the priority light, if it is on, will go out.
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  • Page 54 This page is intentionally blank.

  • Page 55: Warranty

    AQUAMAX CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATER CF26 SERIES 1. THE AQUAMAX WARRANTY – GENERAL 1.1 This warranty is given by Aquamax Australia Pty Limited ABN 37 138 189 689 of 463-467 Warrigal Road Moorabbin Victoria, the supplier of Aquamax continuous flow gas water heaters, manufactured by Paloma Co., Ltd., a world leader in water heater technology...
  • Page 56 AQUAMAX CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATER CF26 SERIES 3. WHAT IS COVERED BY THE AQUAMAX WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Aquamax will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as...

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