Zip 27300, 27600, 27400 Installation and Operation Guide
Electronically controlled instantaneous water heater
MCX: 27300, 27400 and 27600 models
Installation instructions
These appliances deliver water not exceeding 50 ºC in accordance with AS3498.
1. Overview
When ordering spare parts, please always specify the appliance model and serial number.
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Pos. Part.-No. Description
1 Hood with control panel
2 801119 MCX heating cartridge 3.5 kW /230V
801120 MCX heating cartridge 4.4 kW /230V
801121 MCX heating cartridge 5.7 kW /230V
3 MCX Safety temperature limiter (STB) with
modification instructions, contact fitting, seals etc.
• 2-pole
• 1-pole
4 801122 MCX Filter
5 MCX water connector-set with two water connectors
and seals (mounted and greased) fastening safety
earthing terminal and filter
Pos. Part.-No. Description
6 MCX complete fixing set (wall bracket with screws
and dowels)
7 801123 Temperature sensor (polarity protection)
not shown:
MCX 3 mains cable with earthed plug,
cable seal and strain relief
MCX 4 mains cable (without plug), cable seal
and strain relief
MCX 6 mains cable (without plug), cable seal
and strain relief
MCX set of small spare parts (seals, nozzle for
cable entry, terminal, installation grease, screws,
wheel nut & discs)
Parts in Bold Type are available as Spare Parts.
Other parts are available on request.
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Contents
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Environment and recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5. Typical Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6. Description of appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8. Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9. Flow rate adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10. Removing the appliance from the wall bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
12. Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
13. Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2. Environment and recycling
This symbol on the products and / or accompanying documents means that used electrical and electronic products should not be mixed with general household waste. For proper treatment, recovery and recycling, please take
these products to designated collection points. Alternatively, in some countries you may be able to return your
products to your local retailer upon the purchase of an equivalent new product. Disposing of this product correctly
will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappro priate waste handling. Please contact your local authority for further details of your nearest designated collection
point. Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation. If you are a business user
and you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information. This symbol is
only valid in the European Union.
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Instructions for installer - 9120-15004 - MCX - 801053 - March 2013 v1.01
3. Safety instructions
Installation, initial operation and maintenance of this appliance must only be conducted by an authorised professional, who will then be
responsible for adherence to applicable standards and installation regulations. We assume no liability for any damages caused by failure
to observe these instructions.
• Do not use the appliance until it has been correctly installed and unless it is in perfect working order.
• The appliance is suitable but not limited to domestic use and similar applications inside closed, frost-free rooms, and must only be
used to heat potable water from mains supply.
• The appliance must never be exposed to frost.
• The appliance must be earthed at all times.
• The minimal specific water resistance must not fall below the value stated on the label.
• The maximum water pressure must not exceed the value on the label.
• Before commissioning for the first time and each time the appliance is emptied (e.g. due to work on the plumbing system, if there is a
risk of freezing or in case of maintenance), the appliance must be vented correctly in accordance with the instructions in this manual.
• Do not remove the front cover under any circumstances before switching off the mains electrical supply to the unit.
• Never make technical modifications, either to the appliance itself or the electrical leads and water pipes.
• Pay attention to the fact that water temperatures in excess of approx. 43 °C are perceived as hot, especially by children, and may
cause a feeling of burning. Please note that the fittings and taps may be very hot when the appliance has been in use for some time.
• Water inlet temperature must not exceed 70 °C.
• In case of malfunction, disconnect the fuses immediately. In case of leaks, cut off the cold water supply instantly. Repairs must only be
carried out by the customer service department or an authorised professional.
• This appliance must not be used by any person (including children) with limited physical, sensorial or mental abilities or failing experience and/or knowledge unless they are supervised by a person responsible for their safety or received instructions about how to use
the appliance. Children should be supervised in order to make sure that they do not play with the appliance.
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Instructions for installer - 9120-15004 - MCX - 801053 - March 2013 v1.01
4. Technical specifications
Type MCX 3 MCX 4 MCX 6
Part no. 27300 27400 27600
Capacity (Liter) 0,2 0,2 0,2
Nominal pressure MPa (bar) 1 (10) 1 (10) 1 (10)
Heating system
Required water resistance at 15 °C
in cm
1100 800 800
Electric supply 1/N/PE ~ 220 V – 240 V
Nominal power rating 3,5 kW 4,4 kW 5,7 kW
Nominal current 15 A 19 A 25 A
Temperature choice 35 °C – 38 °C – 45 °C
Factory temperature setting 38 °C 38 °C 38 °C
Maximum inlet temperature 70 °C 70 °C 70 °C
Factory flow setting at 0.3MPa (3 bar) 2,0 l/min 2,5 l/min 3,3 l/min
2,0 l/min 25 K 31 K 41 K
Maximum temperature
increase at rated power
and a flow rate of......
2,5 l/min 20 K 25 K 33 K
3,0 l/min 17 K 21 K 27 K
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3,5 l/min 14 K 18 K 23 K
4,0 l/min 12 K 16 K 20 K
Required l/min to switch on (l/min) 1,2 1,5 1,5
Required l/min to switch off
Min. required cable size
(l/min) 1,0 1,3 1,3
2)
Weight filled with water (kg) approx. 1,5
Dimensions H × W × D (mm) 135 × 186 × 87
Protection class acc. to VDE 1
Ingress protection according to VDE IP 25
1) Temperature rise (Kelvin) + cold-water temperature =
maximum hot-water temperature (°C) 70 °C
2) The cross sectional area of the connection cable must be in accordance with the power rating of the appliance and the specific requirements of AS/NZS 3000.
IES system
bare resistance element
See note 2)
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Instructions for installer - 9120-15004 - MCX - 801053 - March 2013 v1.01
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