ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User

Also see for WaterMaster 120: Installer's handbook

Contents

ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User Manual pdf 10 page image

* In case of complex systems, the setup must be performed by an approved installer using the Installer’s Handbook.Boiler ProtectionP3DHWP484°C61°CCHTarget = 85°CWaterMaster EZ SetupHeating EZ SetupDHW EZ Setup EZ Setup Reset Display EZ SetupWaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • Den8ENFRNLESITDEPLRUUSER’S GUIDEWATER HEATER SETUP GUIDEThe main parameters of the WaterMaster water heaters can be set up using the EZ (easy) setup functionof the ACVMax controller. The EZ setup function allows the user/installer to quickly setup the appliancefor immediate operation according to the system configuration*.General remarks• To navigate on the screen, use the UP, DOWN, LEFT and RIGHT keys, then the OK keyto validate a selection. A selection is marked by a black background under the selectedicon/text.• To increase/decrease values, use the UP and DOWN keys or the LEFT and RIGHT keysaccording to the situation.WHAT TO CHECK ON A REGULAR BASISEssential recommendations for the correct operation of the applianceACV recommends to check the system at least every 6 months as follows:• Check that the system water pressure is at least 1 bar when cold. If the pressure dropsbelow 0.7 bar, the built-in pressure sensor blocks the appliance until the pressureexceeds 1.2 bar.• If it is required to top up the system to maintain the minimum recommended waterpressure, always turn the appliance off and only add small amounts of water at a time. Ifa large amount of cold water is added in a hot appliance, the appliance can be damageddefinitively.• If the system needs to be refilled repeatedly with water, please contact your installer.• Check that there is no water on the floor under the appliance. If there is, please call yourinstaller.• If a condensate neutralisation system is installed, check it and have it cleaned regularly.• Check regularly that there is no error message (lockout) on the screen. A typical lockoutscreen is explained on the previous page. Refer also to the Troubleshooting table belowor call your installer as required.IN CASE OF PROBLEM...Check the list of faults and corresponding codes below to get the solution(s). If no solution is provided here,please contact your installer who will determine the correct solution by referring to”Locking codes” on page 47.Faultcode Problem Possible Cause(s) Solution-The appliance doesnot turn on whenpressing the ON/OFFMaster switchNo power supplyCheck the power supply and thatthe appliance power plug is con-nected to the network.E 01 Failed ignition The burner failed to light af-ter 5 ignition attemptsCheck gas supply to the water heat-er.E 13 Reset limit reached Resets are limited to 5 every15 minutesTurn unit OFF and ON to resumenormal operation.E 34 Low voltageLine voltage has fallen be-low an acceptable operatinglevelThe water heater will automaticallyreset once line voltage returns tonormal.E 37 Low WaterWater pressure has fallenbelow an acceptable oper-ating level (0.7 bar)Refill the system to reach a normalrange pressure. The water heaterwill automatically reset once waterpressure returns to normal.E 94 Internal Display Fault Display memory error Turn appliance off and on to re-sume normal operation.