Worcester 28i RSF Installation And Servicing Instructions

Wall mounted combination boiler for central heating and mains fed domestic hot water

Table of Contents

28i RSF

INSTALLATION AND

SERVICING INSTRUCTIONS

Table of Contents

Page 1 28i RSF INSTALLATION AND SERVICING INSTRUCTIONS...
Page 6 All dimensions in mm All dimensions in mm All dimensions in mm...
Page 8 NOTE:...
Page 11 PUMP GAS VALVE...
Page 18 1. Electrical Connections Cover 2. Pump 3. Cap...
Page 19 Note:...
Page 23 Note:...
Page 27 1. Central Heating Mode EITHER AUTOMATIC START-UP SEQUENCE PASS PRESENT PRESENT FAIL ABSENT ABSENT...
Page 28 2. Domestic Hot Water Mode 3. "Autofrostat" Function 4. Pump Overrun Function 6. Central Heating ramp control 5. Over run Function...
Page 29 LOW VOLTAGE PUMP ELECTRONICS (Microcontroller) GAS VALVE ROOM STAT FULL SEQUENCE CONTROLLER MAINS PROGRAMMER/CLOCK...
Page 40 This manual is to be used in conjunction with the variant part number of the bar code below: Worcester Heat Systems Limited (Bosch Group), Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619. Technical Helpline (08705) 266241.