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This document is the Service & Installation Manual for the HOUNÖ Visual Cooking CPE-gas oven, version 2.5x. It provides comprehensive information for the installation, operation, and maintenance of the device, ensuring optimal performance and adherence to warranty conditions.
The HOUNÖ Visual Cooking CPE-gas oven is a professional combi oven designed for intensive product development, incorporating the latest technology for energy-saving and efficient preparation methods. It is built with a focus on ergonomics, safety, simple and logical operation, user-friendly design, reliability, and service. The oven undergoes an extensive test program to ensure all functions operate reliably under continuous and extreme load. The manual covers various aspects of the oven's functionality, including cooking modes, networking capabilities, and service functions. It supports both gas and electric heating methods, with specific instructions for gas connections and adjustments. The oven features a control panel for easy navigation through menus such as Main Menu, Set-up Menu, and Service Menu, allowing users to configure settings, monitor performance, and access diagnostic tools.
The manual details critical technical specifications for installation and operation. For gas connection, it provides a table of "Houno Gas Oven Adjustment Settings" based on gas type (Nature Gas G20, Nature Gas G25, LPG 3BP G30/G31, LPG 3P G31), heat power (kW), oven types, and required gas inlet pressure (mbar). For example, a 13 kW oven using Nature Gas (G20) requires a gas inlet pressure of 18-25 mbar, while the same oven using LPG 3BP (G30/G31) requires 30-57 mbar. The manual also includes detailed O2% and CO2% values at "MAX" and "MIN" RPM for burner adjustment, along with RPM adjustment for normal operation and air proving switch settings. Water connection specifications include hardness (max. 3 dH), conductivity (min. 75 microsiemens), water pressure (min. 2.5 bar / 36 PSI dynamic pressure, max. 6 bar / 87 PSI), water flow (min. 12 l/m), water temperature (max. 20°C / 68°F), chloride concentration (max. 100 mg/litre), and sulphate (max. 150 mg/litre). Electrical connection details are provided with wiring diagrams for primary and secondary sides, showing voltage outputs (e.g., 200/208, 230, 240V) and recommended supply line (H05RN-F 3 x 2.5 mm²). Physical installation requires minimum distances from other heat-generating appliances: 50 mm (2") for left and rear sides, and 400 mm (15") for the right side. The oven must be placed level, and the drain connection requires a heat-resistant drain tube with a fall of at least 3° or 5°.
The oven's interface is designed for intuitive use, featuring a main switch and a touch-sensitive display. The "Start Menu" provides quick access to cooking modes like "Hot air," temperature and time adjustments, fan and exhaust functions, and preset programs. The "Main Menu" allows access to "Edit recipe," "Timer. start," "Pre-selection," "HACCP," and "Service" functions. The "Set-up Menu" enables configuration of language, network settings, alarm sound, time, and general oven set-up. Network settings include IP address, netmask, gateway, and SMTP server configuration, allowing for remote access and software updates via the HOUNÖ server. The oven supports various models (BPE, CPE, KPE) and sizes (e.g., 1.06, 1.08, 1.10, 1.12, 1.16, 1.20, 2.10, 2.14, 2.20), and features like ClimaOptima, CombiWash, core probes, and CombiNet can be enabled or disabled. The oven also supports PassThrough configurations and options for single or dual fans.
The manual outlines a comprehensive maintenance schedule, including annual service checks and parts replacement intervals (12-, 24-, and 36-month inspections). The annual service check covers connections (water, electrical, gas, drain), door functionality (closing device, catch, sealing, hinges, interior glass, door sensor calibration), inside oven components (interior light, fan, heating elements), under oven components (drain system, condensation jet, drain sensor, drip tray), and motor room components (heating elements, load distribution, exhaust motor, frequency transformer, ClimaOptima, cooling fan, filter, cooling plate). The "Service Menu" provides access to diagnostic tools such as "USB-key service" for backup and restore operations, "Energy meters" to monitor power consumption, "Reading meters" for error logs and service counters, "Lime-scale diagnosis" (for KPE models) to assess and initiate descaling, "Software Update" via HOUNÖ server or USB key, "ClimaOptima Calibration," and "Door sensor Calibration." The "Technician Service" menu offers "Test functions" for various components (oven, fan, steam generator, CombiWash, miscellaneous, main alarm, gas test, gas set-up), "Show oven setup," "Edit oven setup," "New boot logo," and "Language update." Error codes are detailed for troubleshooting, covering issues from generator/oven overheating to sensor defects, water shortages, and gas system failures. The manual emphasizes the importance of proper installation and regular maintenance to ensure the oven's longevity and to qualify for warranty.
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