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Gas continuous flow water heaters
Compact 4000 S
GWH12 1 CTD E23/31 F3 O
Installation Manual
Please read the installation instructions before installing the appliance!
Please read the operating instructions before commissioning the appliance!
Please observe the safety instructions in the operating instructions!
The installation location must meet the requirements for sufficient ventilation!
Installation must only be carried out by an authorised installer!
6720808877-00.1V
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Summary of Contents for Bosch Compact 4000 S
- Page 1 6720808877-00.1V Gas continuous flow water heaters Compact 4000 S GWH12 1 CTD E23/31 F3 O Installation Manual Please read the installation instructions before installing the appliance! Please read the operating instructions before commissioning the appliance! Please observe the safety instructions in the operating instructions!
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Page 2: Table Of Contents
Adjusting the appliance ....15 6.3.1 Access to the pressure heads ... 15 6 720 808 877 (2016/01) Compact 4000 S... -
Page 3: Key To Symbols And Safety Instructions
▶ Only original spare parts must be used, supplied by an • CAUTION indicates a situation that could result in minor to authorised supplier of genuine Bosch parts. medium injury. Explosive and highly flammable material • WARNING indicates a situation that could result in severe ▶... -
Page 4: Installation
Note: Incorrect pipe sizing or gas supply pressure may cause the appliance to under perform. Service calls for incorrect pipe sizing and/or gas pressure, will NOT be covered under warranty. 6 720 808 877 (2016/01) Compact 4000 S... -
Page 5: Product Details
Electronic ignition • Water flow sensor • Water valve • Temperature sensors for monitoring the temperature of the incoming and outgoing water of the appliance. • Safety devices: – Ionisation electrode – Thermofuse Compact 4000 S 6 720 808 877 (2016/01) -
Page 6: Dimensions And Minimum Clearances
6 | Product details Dimensions and minimum clearances >10 >10 6720808877-02.1V Fig. 1 Dimensions (in mm) Connections Water Cold Nat. GWH12 ½ “ ½ “ ¾ “ ¾ “ Table 4 Dimensions (in mm) 6 720 808 877 (2016/01) Compact 4000 S... -
Page 7: Appliance Layout
[9] Hot water [10] Connecting lead with plug [11] Remote control (optional) [12] Ignition electrode [13] Gas pressure head in the burner [14] Water flow sensor and Water valve [15] Control box Compact 4000 S 6 720 808 877 (2016/01) -
Page 8: Electrical Wiring Diagram
[5] Connection for anti-freeze device [14] Hot water temperature sensor [6] Connection for remote control (optional) [15] Cold water temperature sensor [7] Electrovalve 1 [16] Water valve [8] Electrovalve 2 [9] Electrovalve 3 6 720 808 877 (2016/01) Compact 4000 S... -
Page 9: 2.10 Specification
Maximum flow, corresponding to a temperature increase of 25 °C l/min 12.0 Maximum inlet temperature °C Electrical circuit Power supply voltage Frequency Maximum power consumption Appliance enclosure rating IPX5D General data Weight (unpacked) Height Width Depth Table 5 Compact 4000 S 6 720 808 877 (2016/01) -
Page 10: Regulations
▶ Ensure a minimum of 2.5 meters of water line length with Installation in a marine environment should ¾ “ pipe size. be avoided. 6 720 808 877 (2016/01) Compact 4000 S... -
Page 11: Minimum Clearances
- Appliances over 50 MJ/h input and up to 150 MJ/ 1000 h input Table 6 1) Unless appliance is certified for closer installation Compact 4000 S 6 720 808 877 (2016/01) -
Page 12: Fitting Wall-Mounting Bar
Fitting templates temperatures which cause scalding. ▶ Remove the packaging from the wall. Bosch recommends the installation of a temperature limiting ▶ Drill the required holes (Ø 8 mm). device between the water heater and the hot water outlets in a ▶... -
Page 13: Altitude Of Installation Site Region
When a hot water tap is turned on, the passage of water through the flow sensor (fig. 2, [14]) sends a signal to the control box. This signal triggers the following actions: • The fan to start working. Compact 4000 S 6 720 808 877 (2016/01) -
Page 14: Electrical Connection
If the power cable is damaged, it must be The control box detects the temperature of the water through replaced with a Bosch supplied spare part. the thermistor placed in the hot water pipe. If the appliance detects an excessive temperature, a safety shut-down will occur. -
Page 15: Service Function
If it is not possible to reach the value: [A] Air pressure head in the box ▶ Adjust the pressure in the burner [B] Gas pressure head in the burner (section 6.3.4) and repeat the adjusting procedure. Compact 4000 S 6 720 808 877 (2016/01) -
Page 16: Adjusting Pressure In The Burner (Parameter P0)
“L1” and “L2” cannot be reached. ▶ Enter the service mode by pressing and holding down the , and buttons simultaneously for 3 seconds (section 6.2). Display with indication "P2". ▶ Press until the display shows "P0". 6 720 808 877 (2016/01) Compact 4000 S... -
Page 17: Maintenance (Only By Authorised Installers)
▶ Open the control box. electrical parts. ▶ Replace the fuse. Start-up after completion of maintenance ▶ Your appliance should only be attended to by a Bosch works service agent. Please phone 1300 30 70 37 for service. ▶ Only use original replacement parts. -
Page 18: Problems
▶ Call an authorised installer. Flame not detected. ▶ Check the pressure of the gas supply to the mains connection, the ignition electrode and the ionisation electrode. ▶ Press the reset button. Table 9 6 720 808 877 (2016/01) Compact 4000 S... - Page 19 Once the problem is solved, you have to press the reset button to start the appliance working again. Call 1300 30 70 37 for service contact details. Compact 4000 S 6 720 808 877 (2016/01)
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Page 20: Environment / Disposal
Environment / disposal Water quality Environmental protection is a fundamental corporate strategy All Bosch water heating appliances are constructed from high of the Bosch Group. quality materials and components and all are certified for The quality of our products, their efficiency and environmental... -
Page 21: Warranty Details
1. Warranty of the hot water unit. Bosch offers, at its option, to repair or exchange this Bosch hot water unit or the relevant part listed in clause 2 below at no 4. Warranty conditions charge, if it becomes faulty or defective in manufacture or (a) Proof of purchase may be required. - Page 22 Purpose. A customer can object at any time to the use of their personal information for the Purpose. Bosch will cease to use a customer's personal information accordingly if an objection is made.
- Page 23 | 23 Notes Compact 4000 S 6 720 808 877 (2016/01)
- Page 24 6720808877...
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