Worcester WR325 RSF Installation And Servicing Instructions
  1. Manuals
  2. Brands
  3. Worcester Manuals
  4. Water Heater
  5. WR 325 RSF
  6. Installation and servicing instructions
Worcester WR325 RSF Installation And Servicing Instructions

Worcester WR325 RSF Installation And Servicing Instructions

Room sealed fan-assisted multipoint water heater
Hide thumbs Also See for WR325 RSF:
Table of Contents

Advertisement

Quick Links

WR325 RSF
ROOM SEALED FAN-ASSISTED MULTIPOINT WATER HEATER
INSTALLATION AND
SERVICING INSTRUCTIONS
Cat: II
2H3+
GC NUMBER
52 311 022
IMPORTANT: THESE INSTRUCTIONS APPLY IN GREAT BRITAIN AND IRELAND ONLY
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER OR AT THE GAS METER
This appliance must be installed by a competent person in accordance
with the CURRENT Gas Safety (Installation and Use) Regulations
Supplied By www.heating spares.co Tel. 0161 620 6677

Advertisement

Table of Contents
loading

Related Manuals for Worcester WR325 RSF

Summary of Contents for Worcester WR325 RSF

  • Page 1 WR325 RSF ROOM SEALED FAN-ASSISTED MULTIPOINT WATER HEATER INSTALLATION AND SERVICING INSTRUCTIONS Cat: II 2H3+ GC NUMBER 52 311 022 IMPORTANT: THESE INSTRUCTIONS APPLY IN GREAT BRITAIN AND IRELAND ONLY THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER OR AT THE GAS METER...

  • Page 2: Table Of Contents

    Short parts list ..........18 covers, as far as possible, the foreseeable situations which may Installation Regulations arise. Contact Worcester Heat Systems Technical Information Department, Telephone: 0990 266241, for advice on specific Gas Safety (Installation and Use) Regulations, 1998: It installations.
  • Page 3 ‘Ball-o-Fix’ type valves is recommended to avoid FLUE an excessive reduction in flow to individual outlets. For further The appliance has a multi-directional horizontal fanned flue information contact Worcester Heat Systems Technical Helpline. system. The standard telescopic flue assembly length is from 135mm to 2.13 SAFETY CONSIDERATIONS 615mm.
  • Page 4 Appliance water flow diagram. Fig. 1 Control unit Heat exchanger Water flow rate control Restrictor Gas valve Microswitch Water filter Adjusting screw for temperature setting Hot water outflow pipe Solenoid valve Cold water inlet pipe Main valve Water flow rate regulator Igniter electrodes Gas supply pipe Sensor electrode...

  • Page 5: Technical Data

    Technical Data Nat. Gas Minimum rated output (Pmin) 7.0 kW 7.0 kW Maximum rated output (Pn) 21.4 kW 21.4 kW Rated input (Qn) 24.3 kW 24.3 kW Gas rate (maximum) 1.9 kg/h 2.6 m Number of injectors Injector diameter (mm) 1.15 0.74 Pilot injector marking...

  • Page 6: Siting The Appliance

    Siting the Appliance BS 5440:2 are maintained. Notwithstanding the instructions given in BS 5440:2, this appliance may be fitted in a compartment with no vents as long The appliance may be installed in any room although as the minimum clearances stated in Section 6: Air Supply, are particular attention is drawn to the requirements of the current maintained.
  • Page 7 Measurements and connections (sizes given in mm.) Fig. 3 Front cover Mounting bracket Shield Heat exchanger Gas valve assembly Water valve assembly Ignition unit Fixing screw Sealing screw Temperature selector Micro-switch Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 8: Siting The Flue Terminal

    Siting the Flue terminal underside of the gutter or painted surface. If a terminal is fitted less than 2 metres above a surface to which people have access then a guard must be fitted. See See Fig. 4 Section 2.9. The flue must be installed as specified in BS 5440:Part The terminal guard must be evenly spaced about the 1 and the Building Regulations.

  • Page 9: Hot Water Supply

    Electrical Hot Water Supply See Fig. 10. The following are general requirements and, if necessary, MAINS SUPPLY. reference should be made to the local Water Company before 230 V ~, 50 Hz, 65 watts. fitting the appliance. External Fuse: 3A. MAINS COLD WATER INLET.
  • Page 10 IMPORTANT: To ensure the correct operation of the appliance a restrictor ring must be fitted to the fan inlet, where applicable, to suit the flue configuration used. Fig. 5 Fig. 6 Refer to table 7 for relation of restrictor ring / flue length. Allow water to flow to vent the system and close the taps.
  • Page 11 10.3 GENERAL FITTING Check the contents of the standard flue duct kit against the Check that the appliance carton contains: Appliance, installer’s packing list. Similarly check the extension duct kits if applicable. instruction pack, gas and water fittings, wall plate, user’s Remove all the packing from the ducts and terminal assembly.
  • Page 12 The rubber sealing gasket and the clamping ring are available 0.88m to 1.10m, 1.63m to 1.85m or 2.38m to 2.5m. from Worcester Heat Systems. Measure and cut the ducts as Each extension duct must be connected to the first section of flue or the previous extension duct by firstly fitting the inner flue previously described for external fitting (Section 10.4).
  • Page 13 10.7 FLUE BENDS Vertical adapter with horizontal flue See Figs. 15 and 16. Measure distances X, Y and Z as appropriate. RH Side flue duct length = X + 70 mm. See Fig. 15. LH Side flue duct length = X + 250 mm. Rear flue duct length = X + 155 mm.
  • Page 14 Wiring Diagram Detail Detail Fig. 17 1 On/Off switch 2 Reset button 3 LED 52 Solenoid valve, 24 V DC 96 Microswitch, 5 V DC 117 Ignition electrodes 118 Flame sensor electrode 119 Safety temperature limiter, 5 V DC 226 Fan, 230 V AC / 50 Hz 228 Differential air pressure switch, 5 V DC 328 Power supply cable, 230 V AC / 50 Hz Fig.

  • Page 15: Commissioning The Appliance

    Tell the user of the importance of regular servicing. Check that the electricity supply is turned off. Remove the fan Worcester Heat Systems Ltd. offer a comprehensive as described in 13.3 (b). Fit the replacement fan in the reverse maintenance contract.
  • Page 16 14.3 Heat exchanger 14.12 Control board Check that the electricity supply is turned off. Remove the fan Remove the control box and cover as described in 14.11. Care- as described in 13.3 (b). Unscrew the two screws and remove fully unplug the two multi-way plugs and the ignition lead termi- the cross-piece at the top.

  • Page 17: Fault Finding Codes

    Fault Finding Problem Cause Solution Appliance does not ignite. Damaged fuse. Replace fuse. Warning lamp is off. No electricity supply. Check electricity supply. Appliance does not ignite. No gas supply. Check gas supply. Warning lamp is on. Appliance does not ignite. Check safety temperature device Warning lamp blinks.

  • Page 18: Short Parts List

    Spare Parts Fig. 19 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 19 Parts List Description Propane Natural Gas 8 705 421 486 0 Front cover assembly 8 702 000 219 0 Water flow selector handle - complete 8 705 506 473 0 Fascia assembly 8 705 406 198 0 Heat exchanger 8 707 206 151 0 High limit thermostat 8 700 705 645 0 Cold water inlet pipe...
  • Page 20 Fig. 20 Worcester Heat Systems Limited, Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619 This booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued improvement.

Table of Contents