Worcester 12/18 User Instructions

Specifications

Brand: Worcester
Category: Boiler
Model: 12/18 (User Instructions), prBVz8zsxBh7Q
File Type: PDF
File Size: —
Pages: 20 pages

Download Document

Get a high-quality, printable PDF version of this manual for offline use.

Download PDF Manual (20 pages)

⚠️ Download Safety: This PDF is completely safe to download (last scan date: 20/03/2026).

Read Online

Read the Worcester 12/18 User Instructions online using the built-in PDF viewer.

12/18 User Instructions: Key Pages of Document

GREENSTAR CAMRAY EXTERNAL

EXTERNAL OIL FIRED CONDENSING BOILER USING BALANCED FLUE SYSTEM FOR FULLY PUMPED OPEN VENT OR SEALED CENTRAL HEATING SYSTEMS AND DOMESTIC HOT WATER WATER CYLINDERS For use with the following Greenstar oil fired appliances: Greenstar Camray External 12/18, 18/25, 25/32 THE APPLIANCE IS FOR USE WITH KEROSENE (28 SECOND OIL) ONLY GB USER INSTRUCTIONS & CUSTOMER CARE GUIDE THE APPLIANCE IS FOR USE WITH KEROSENE (28 SECOND OIL) ONLY all-guides com ...

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) USER INSTRUCTIONS & CUSTOMER CARE GUIDE CONTACT INFORMATION Worcester, Bosch Group: Service call centres: UK TEL: 08457 256206 FAX: 08457 757536 SCOTLAND ONLY FAX: 01506 441687 Other enquiries: TEL: FAX: MAIN RECEPTION: 01905 754624 754619 TECHNICAL: 08705 266241 LITERATURE: 01905 752556 SALES: 01905 752640 WEBSITE: www.worcester-bosch.co.uk WATER TREATMENT: FERNOX 01799 550811 www.fernox.com SENTINEL 0151 420 9595 www.betzdearborn.com/sentinel FLUE TERMINAL GUARDS: WORCESTER, BOSCH GROUP ...

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32

8 716 112 711b (09.07) 1 CONTENTS INTRODUCTION SAFETY PRECAUTIONS 2 EXCELLENCE COMES AS STANDARD 3 GENERAL INFORMATION 4-5 USING YOUR APPLIANCE CONTROLS 6 OPERATING THE APPLIANCE Switching the boiler on/off 7 Setting the radiator temperature 7 Controlling central heating 7 Frost protection 8 Fault conditions 9 ENERGY SAVING TIPS ON ENERGY SAVING 10-11 MAINTENANCE MAINTAINING YOUR APPLIANCE 12 FAULT FINDING 13 FAULT OR BREAKDOWN 14 GUARANTEE YOUR GUARANTEE 15 GUARANTEE REGISTRATION 16 INTRODUCTION USING YOUR APPLIANCE MAINTENANCE ENE ...

EXCELLENCE COMES AS STANDARD

GREENSTAR CAMRAY EXTERNAL12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 2 INTRODUCTION SAFETY PRECAUTIONS This appliance is suitable for use with kerosene only, no other fuel must be used. SERVICING: You must have the system regularly serviced by a competent, qualified OFTEC registered engineer using approved spares, to help maintain the economy, safety and reliability of the appliance. The appliance should be serviced once each year after installation unless the installation conditions and usage demand more frequent services. Although the appliance is serviced externally, the engineer will require access to the property to o ...

EXCELLENCE COMES AS STANDARD

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 3 INTRODUCTION EXCELLENCE COMES AS STANDARD Thank you for purchasing a Greenstar Camray oil fired condensing boiler from Worcester, Bosch Group. The company prides itself on manufacturing boilers to the strictest quality control standards throughout every stage of production. Worcester, Bosch Group has led the field in innovative appliance design and performance for more than 40 years. This heritage means all products are of exceptional quality and proven reliability. The condensing range, in particular, is extremely energy efficient, converting more of ...

2. Connect the flexible hose across the two

valves, one leading from the boiler and the other from the mains supply. The connecting nuts need only to be hand tight. 3. Slowly open both valves ensuring that water does not leak from either end of the flexible hose. 4. You will start to hear water passing across the hose and valves and the grey needle on the pressure guage will rise. 5. When the needle rises between 1 and 1.5 bar close both valves, the needle should now remain fixed. 6. The hose should then be disconnected from at least one valve, a small amount of water will emit from the hose, this is normal. If water continues to is ...

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32

8 716 112 711b (09.07) 5 INTRODUCTION GENERAL INFORMATION WARNING: External equipment operating at 230 Volts must not be serviced or repaired during adverse weather conditions. Do not use pressure washers or steam cleaners on this appliance or cabinet. FUEL: This appliance is designed to use kerosene, no other fuel must be used. BOILER LOCATION: WARNING: This boiler must not be installed where there is a potential for excessive ground water coverage. To prevent “wetting” it is recommended that the flue terminal faces away from walls. Never allow the flue termi ...

To remove the front panel, undo the screws

using the tool provided on each side of the base of the front panel. The panel will then drop down and can be removed (see illustration below). A Reset button - flue thermostat. B Reset button - heating. C Temperature control. D Boiler mode indicator. E Mode switch. F Lockout indcator/reset button (is located on the burner control box see ‘reset button locations’ below). Reset Button Locations All Models Remove front panel to access all reset buttons. The Flue Thermostat Reset Button (A) and Heating Thermostat Reset Button (B) are located beneath the boiler control panel. The Lockout ...

OPERATING THE APPLIANCE

SWITCHING THE BOILER ON/OFF: � To switch on the boiler; turn on the water, oil and electricity supply to the boiler. � Check the mode switch is in boiler mode with the indicator illuminated. � Check the programmer/timer is correct and it is set to ON. � Set the room thermostat to the desired setting. � Open and set thermostatic radiator valves as required. � Turn the boiler water temperature control to the required setting. � To switch off the boiler; turn the programmer/timer to OFF for heating and hot water. If the appliance is left unused and exposed to freezing conditions; shut off all the mains supplies, isola ...

OPERATING THE APPLIANCE

FROST PROTECTION: � A frost thermostat is fitted to the appliance to protect the appliance and system from the risk of freezing. � The boiler mode indicator light MUST be illuminated for the frost protection to operate. In the unlikely event that there is no hot water or heating, remove the front panel and check for lockout or other fault conditions. Check page 9 for fault conditions. OPERATING THE APPLIANCE GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 8 USING YOUR APPLIANCE ...

GREENSTAR CAMRAY EXTERNAL

flue reset boiler reset on service max GREENSTAR CAMRAY EXTERNAL flue reset boiler reset on service max GREENSTAR CAMRAY EXTERNAL flue reset boiler reset on service max GREENSTAR CAMRAY EXTERNAL flue reset boiler reset on service max OPERATING THE APPLIANCE FAULT CONDITIONS: The Boiler mode and Lockout lights can indicate some basic fault conditions. 1 Accessing Controls: � Undo the screws on the bottom of the front panel using the tool provided. The panel will drop down and can be removed. 2 Normal operation: Boiler mode light ON The appliance is in boiler mode, with a demand for heat from the controls. 3 Both lights on: Bo ...

TIPS ON ENERGY SAVING

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 10 ENERGY SAVING TIPS ON ENERGY SAVING Heating economically: The boiler is designed to provide a high level of comfort while keeping oil consumption and the resulting environmental effect as low as possible. The temperature control on the boiler should be set as low as possible while still maintaining a comfortable room temperature. The temperature of each room can be set individually using the thermostatic radiator valves (except the primary room with the room thermostat). Roof insulation: Around 30% of the heat loss from a property is through the roof. Replac ...

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32

8 716 112 711b (09.07) 11 TIPS ON ENERGY SAVING ENERGY SAVING TIPS ON ENERGY SAVING Room thermostats: Reducing the setting of the room thermostat by 1°C can reduce fuel consumption by up to 10%. New control systems: Upgrade your heating control system with the latest equipment available. The minimum level of control for a heating system is a programmer/timer, interlocking room thermostat and thermostatic radiator valves. Radiators: More often than not radiators will be sited underneath a window, so the warm air from the radiator heats the colder incoming air from the window. The performance of the radiat ...

MAINTAINING YOUR APPLIANCE

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 12 MAINTENANCE MAINTAINING YOUR APPLIANCE Your new appliance represents a long term investment in a reliable, high quality product. In order to realise its maximum working life and to ensure it continues to operate at peak efficiency and performance, it is essential that servicing and maintenance checks are performed at least once a year by a competent person. If you would like to know more about servicing options from Worcester, Bosch Group please visit www.worcester-bosch.co.uk. Please tick the appropriate box on your warranty registration card for furth ...

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32

8 716 112 711b (09.07) 13 MAINTENANCE FAULT FINDING Problem Cause Remedy Switch off appliance at master switch, wait a few seconds then switch on again Check setting Check programmer settings Check setting Desired room temperature is not reached Thermostatic radiator valve(s) set too low Room thermostat set too Increase room thermostat low setting Boiler temperature control set too low Air trapped in heating system Desired room temperature exceeded by large amount Temperature rises instead of falling No display or control unit does not respond Hot water temperature too low Radiators ...

circumstances this will be from 1 to 3 working

days (excluding weekends) for priority breakdown situations (no hot water and/or heating). Invoices for attendance and repair work carried out on this appliance by any third party will not be accepted. APPLIANCE DATA LABEL The data label can be found on the inside of the left hand panel. To access: � Unscrew the two screws on the bottom of the front panel using the tool provided. The panel will drop down and can be removed. To replace: � Push the front panel up behind the top panel, push in and secure the screws with the tool provided. FAULT OR BREAKDOWN GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 ...

GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32

8 716 112 711b (09.07) 15 GUARANTEE YOUR GUARANTEE This appliance is guaranteed against faulty materials or workmanship for a period of 24 calendar months (60 months for the primary heat exchanger) from the date of installation subject to the following conditions: � That during the period of this guarantee any components of the unit which are proved to be faulty or defective in manufacture will be exchanged or repaired free of material charges and free of labour charges if repaired directly by BBT Thermotechnology UK Ltd. Please be aware that invoices for attendance and repair of this app ...

(See identity label inside appliance casing)

Type / size Date of installation Installer details GUARANTEE REGISTRATION You should complete and return the postpaid Guarantee Registration Card within 30 days of installation. Returning your card will register you as the owner of your new appliance and will assist us in maintaining an effective and efficient customer service by establishing a reference and permanent record for your boiler. This does not affect your statutory rights. For your own record: GUARANTEE REGISTRATION GREENSTAR CAMRAY EXTERNAL 12/18 - 18/25 - 25/32 8 716 112 711b (09.07) 16 GUARANTEE ...

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE EXCELLENCE COMES AS STANDARD Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW. Tel. 01905 754624 Fax. 01905 754619 www.worcester-bosch.co.uk Worcester, Bosch Group is a trading name of BBT Thermotechnology UK Ltd. 8 716 112 711b (09.07) ...

Boiler PDF Instructions

FLX 150
CleaverBrooks FLX 150
23.07.2026 136 pages

$30.00 U.S. Manual Part No. 750-177 r4 6/2001 CLEAVER-BROOKS MODEL FLX PACKAGED BOILER 1,500,000 to 12,000,000 Btu/hr Hot Water and Steam Fuel: Light Oil, Gas or Combination Operation, Service, and Parts Manual Table Of Contents Operation and maintenance manual for the CleaverBrooks FLX 150 Boiler. It includes maintenance procedures and security instructions, device safety checks, power management.

ePE-K
eta ePE-K
02.05.2026 44 pages

2019-07-10 EN 0000000453 V.002 3.47.0 5300, 00 939076-001 Pellet boiler ePE-K 140-170 kW Service manual Step-by-step user manual for the eta ePE-K Boiler. It explains operation, maintenance, and basic operation, performance guidelines, product specifications.

EURA 23 E
Hermann EURA 23 E
18.05.2026 52 pages

Quick guide Technical Data Installation, adjusting and maintenance instructions User instructions GAS BOILERS EURA 23 E – 28 E 23 SE – 28 SE – 32 SE User documentation for the Hermann EURA 23 E Boiler. It outlines the setup and calibration steps, cleaning instructions, device calibration, reset instructions.

DEL TA LIMITED 399B
Raypak DEL TA LIMITED 399B
13.07.2026 2 pages

Catalog No.: 2000.461A Effective: 07-21-10 Replaces: 9-15-07 Job: Engineer: Contractor: Prepared By: Date: Model: Indoor/Outdoor: MBTUH Input: 100% Factory Fire Tested Efficiency: 84% Maximum Outlet Temperature: 230°F Minimum Non-Condensing Inlet Tempe Technical setup manual for the Raypak DEL TA LIMITED 399B Boiler. The manual elaborates on features and usage tips, user settings, system configuration.