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Instantaneous Hot Water Electronically controlled instantaneous water heater CEX: 27921 - 50 °C and 27920 - 60 °C models Installation instructions For 50 ºC models, the appliance delivers water not exceeding 50 ºC in accordance with AS3498...
1. Safety instructions Please read these instructions carefully before installing or using the appliance! Keep the instructions handy with the appliance for future use! Installation, initial operation and maintenance of this appliance must only be con- ducted by an authorised professional, who will then be responsible for adherence to applicable standards and installation regulations.
3. Technical data Model CEX-U Part no. 27921 - 50 °C model 27920 - 60 °C model Energy efficiency class Rated capacity (Rated current) 11 / 13,5 kW (16 / 19,5 A) Chosen capacity (Chosen current) 11 kW (16 A) 13,5 kW (19,5 A) 11 kW (16 A) 13,5 kW (19,5 A)
4. Dimensions Dimensions in mm 5. Environment and recycling Your product was manufactured from high-quality, reusable materials and compo- nents. Please respect in case of discarding that electrical devices should be disposed of separately from household waste at the end of their service life. Therefore, please take this device to a municipal collection point that accepts electronic scrap.
6. Typical installation Example of an open-outlet installation with special tap G ⅜ Depth 108 Shorten cable if necessary (approx. 600) ≥70 Dimensions in mm Example of a closed-outlet installation...
7. Installation The following regulations must be observed: • Installation must comply with all statutory regulations, as well as those of the local electricity and water supply companies. • The rating plate and technical specifications • Only intact and appropriate tools must be used •...
7. Installation Mounting the appliance 1. Thoroughly rinse the water supply pipes before installation to remove soiling from the pipes. 2. Hold the appliance on the wall, and mark the drill lines at top and bottom, right and left, corresponding to the small notches at the edge of the appliance hood (see bot- tom figure).
8. Electrical connection Only by a specialist! Wiring diagram Please observe: • The installation must comply with current IEC and national local regulations or any particular regulations, specified by the local electricity supply company • The rating plate and technical specifications •...
8. Electrical connection Alternative: Electrical installation to a permanent connection If, in case of particular local circumstances, connecting to a permanent connection is the only possibility, continue as follows. 1. Disassemble the pre-installed power cable. 2. Dismantle off the power cable so that you can insert the cable with the cladding through the water splash protection sleeve up to the cord grip into the appliance.
9. Initial operation Before making the electrical connec tion, fill the mains and the appliance with water by carefully opening and closing the hot water tap in order to vent com- pletely. To ensure a maximum flow, remove any existing aerator from the faucet. Flush the warm and cold water pipes each at least for one minute.
9. Initial operation Reinstallation In case the appliance will be commis sioned again under different installation condi- tions than during its initial ope ration, it may be necessary to adapt the maximum power rating. A temporary short-circuit of the two pins (see figure), will reset all heater para meters to works setting and lock the heating.
10. Service menu The service menu offers an overview of system parameters and is used for diag- Open service menu nostics. Press key and key simultaneously for at least 2 seconds to call up the service menu, the display confirms by “FL” and by a flashing point. Using the arrow keys Press , you can switch between the individual menu items.
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10. Service menu on the power electronics, as specified in the chapter “Deactivation of the lock level”. Menu item order of “Service menu“: “nr“: Software version Flow Information about installed software version. Power “Ch“: Radio channel (with wireless module only) Temp in Information about the current radio channel of the water heater and its remote control.
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Head Office As Zip’s policy is one of continuous product improvement, changes to Zip Water (Aust) Pty. Ltd specifications may be made without ABN: 46 000 578 727 prior notice. Images in this booklet 67-77 Allingham Street have been modified and may not be Condell Park NSW 2200 true representations of the finished Postal: Locked Bag 80...
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