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Installation/Operating Instructions
Invented for life
MODELS
Bosch 17e
Bosch 21e
Bosch 25e
Bosch 26e
(YS1770RA series, YS2170RA series, YS2670RABZ, YS2670RA series)
INSTALLATION MANUAL
This appliance must be installed in accordance with the manufacturer’s installation instructions, AS5601,
AS/NZS3500.4, AS3000 wiring regulations and all Local Building, Water and Gas fitting regulations.
To be installed and serviced only by an authorised person
This appliance is not suitable for use as a pool hea
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Installation/Operating Instructions Invented for life INDEX Page Number INTRODUCTION 3 DIMENSIONS 4 TECHNICAL DATA 5 APPLIANCE LOCATION 6 COMPONENT DETAILS 7 GAS CONNECTION 9 COLD WATER CONNECTION 9 HOT WATER CONNECTION 10 ELECTRICAL CONNECTION 10 PRE-SET TEMPERATURE 10 TEMPERATURE SELECTOR PAD INSTALLATION 11 TEMPERATURE SELECTOR PAD WIRING 11 TEMPERATURE CONTROL OPERATION 12 COMMISSIONING AND TESTING 12 TEMPERATURE SETTING 13 USER SAFETY INSTRUCTIONS 15 IN CASE OF DIFFICULTIES 15 Manufacturer’
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Installation/Operating Instructions Invented for life This Bosch water heater is an external, electronically controlled gas water heater. This Bosch appliance is supplied set to operate without temperature selector pads at a constant 55°C outlet temperature. To set the appliance to a different temperature, refer to page 13 for details. Available as optional extras are Main, Bathroom or Sub temperature selector pads. Only one Main controller and one Bathroom controller can be connected to the ap
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Installation/Operating Instructions Invented for life DIMENSIONS YS1770RA series, YS2170RA series L YS1770RA series 178 YS2170RA series 214 DIMENSIONS YS2670RA series, YS2670RABZ 4
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Installation/Operating Instructions Invented for life TECHNICAL DATA Nominal hourly gas consumption by proportional gas control: Natural Gas LP Gas 17e 135 Mj/hr 135 Mj/hr 21e 170 Mj/hr 170 Mj/hr 25e 200 Mj/hr 200 Mj/hr 26e 200 Mj/hr 200 Mj/hr Test Point Pressure: Natural Gas Natural Gas LP Gas LP Gas Model Max (kPa) Min (kPa) Max (kPa) Min (kPa) YS1770RA series .67 .26 .78 .23 YS2170RA series .69 .21 .91 .23 YS2670RABZ .72 .19 .80 .22 YS2670RA series .72 .19 .80 .22 Water heating capacity 17e
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Installation/Operating Instructions Invented for life POSITION FOR INSTALLATION The heater must be installed by using a fixing method sufficient to hold the 21Kg weight of unit (see the technical sheet for dimensions of mounting brackets and positions) N.B.: On combustible surfaces e.g. weatherboards etc. it is not required to install a fire proof back board. APPLIANCE LOCATION (1) This water heater is approved for outdoor installation only. (2) Do not install this water heater with any modifica
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Installation/Operating Instructions Invented for life COMPONENT DETAILS • YS1770RA series, YS2170RA series Flue terminal Antifrost heater High-limit switch Empty heating prevention device Thermal fuse Over-heat prevention device Ignition plug Flame rod Burner manifold Flame failure safety device Remote Control Connections Hot-water temperature change connector Water flow rate adjusting valve Gas solenoid valve set Earth leakage breaker Printed circuit board Outlet water connection Gas connection
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Installation/Operating Instructions Invented for life • YS2670RA series, YS2670RABZ Flue terminal Antifrost heater High-limit switch Empty heating prevention device Thermal fuse Over-heat prevention device Ignition plug Burner manifold Flame rod Flame failure safety device Remote Control Connections Hot-water temperature change connector Water flow rate adjusting valve Gas solenoid valve set Earth leakage breaker Printed circuit board Gas connection Outlet water connection Inlet water connection
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Installation/Operating Instructions Invented for life GAS CONNECTION (1) Fit a union to the water heater gas inlet for easy connection and removal. The thread diameter is 20 mm. THIS DOES NOT INDICATE THE SIZE OF THE GAS SUPPLY. (2) Fit an AGA / NZGA approved isolating gas cock in the supply line adjacent to the water heater gas connection. (3) Ensure that the supply pipe and the gas pressure regulator (LPG or Natural Gas) has sufficient flow capacity for this and other appliances connected t
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Installation/Operating Instructions Invented for life HOT WATER CONNECTION TO WATER HEATER. Refer to Technical Sheet for position of connection. The outlet connection is 20 mm (3/4" BSP) MALE thread, and requires an isolating union to allow for removal of the unit. Keep the pipe lengths to a minimum, and make sure that the pipework is well insulated as correct performance of the appliance is dependent on properly insulated pipework. DO NOT FIT ANY VALVES OR RESTRICTORS TO THE OUTLET OF THE WATER
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Installation/Operating Instructions Invented for life PRE-SET TEMPERATURE The Bosch water heaters are factory pre-set to operate at 55°C (or 50°C on 50 degree model) without temperature selector pads. The pre-set temperatures can be altered to 60°C or 75°C, (or 42°C on 50 degree limited unit) by changing the setting of the CPU or by using the temperature bridges supplied. Refer to page 13 for details. The appliance can also be fitted with temperature selector pads, available as an accessory item
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Installation/Operating Instructions Invented for life 3 Connect one end of the cable to the back of the controller using the terminal points provided. Run the cable from each controller back to the hot water unit. Push the cable up through the electrical cord hole located at the base of the unit. 4 Connect the other end of the cable to the terminals on the PCB. 5 Locate and secure cable to cable support bracket inside unit. 6 Replace the appliance front cover, attach the earth wire and connect
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Installation/Operating Instructions Invented for life SETTING THE TEMPERATURE USE BRIDGES PROVIDED Use the bridges provided to change the temperature as indicated in the table…. Remote controller less Unit Factory Setting Bridge A Bridge B YS1770RA YS2670RA 55°C 75°C 60°C YS1770RAH YS2670RAH YS2170RA YS2670RABZ YS2170RAH YS1770RA5 YS2670RA5 50°C 50°C 42°C YS2170RA5 YS2670RA5P Connected remote controller Unit Remote Factory Bridge A Bridge B controller Setting YS1770RA YPRM66XB 37-55°C 37-75°C 37
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Installation/Operating Instructions Invented for life Step 2: Turn off power to unit. Step 3: Insert bridge into plastic clip between the controller terminals PCB Step 4: Turn power back on Unit is now set as per the table on the previous page. 14 B A Setting Adjust Remote Modulation Switch Controller
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Installation/Operating Instructions Invented for life USER SAFETY INSTRUCTIONS PLEASE CAREFULLY READ THIS USER INSTRUCTION BEFORE USE. You have selected the Bosch Electronic computer controlled hot water unit. The following instructions will assist you to obtain the best performance from your Bosch water heater SAFETY 1. Always check water temperature by hand before entering the shower or bath. The temperature may have been changed. 2. Do not touch cover or flue outlet when the Bosch water hea
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WATER QUALITY All Bosch water heating appliances are constructed from high quality materials and components and all are certified for compliance with relevant parts of Australian and New Zealand gas, electrical and water standards. Whilst Bosch water heaters are warranted against defects, the warranty is conditional upon correct installation and use, in accordance with detailed instructions provided with the heater. In the case of the water supplied to the heater, it is important that the water
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Robert Bosch (Australia) Pty Ltd (Bosch) Manufacturer’s Warranty (Applicable for purchases from 1 January 2012) All Bosch hot water units are carefully checked, tested and subject to stringent quality controls. 1. Warranty 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 charge, if it becomes faulty or defective in manufacture or materials during the warranty period also stated in clause 2. This warranty is offered
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(d) Repair or replacement of the hot water unit or any parts under this warranty does not lengthen or renew the warranty period. (e) This warranty is not transferable and is only offered to the original purchaser of the hot water unit. (f) No employee or agent of Bosch is authorised to amend the terms of this warranty. (g) This warranty only applies to Bosch hot water units purchased from an authorised reseller and installed in Australia or New Zealand. (h) To the extent that any condition o
