Strebel Ambassador S-CB

1 Page 1 Version 914-2010 03 Strebel Ambassador S-CB Wall Hung Condensing Boiler Range Installation, Operating & Maintenance Manual Page 2 1. SAFETY GUIDELINES Page 4 2. TYPICAL SYSTEM LAYOUT 5 Single Boiler layout & quick reference 5 Cascade Boiler layout & quick reference 6 3. TECHNICAL DATA S-CB BOILERS 7 4.

2 INTRODUCTION 8 Operation of the S-CB Boiler 8 Controls 8 Frost Protection 8 Cascade Control 8 0-10V DC Connection 8 5.

3 ACCESSORIES 9 6. INSTALLATION OF THE S-CB 9 Unpacking 9 Select the position of the boiler 10 Coaxial to Twin Pipe (Parallel) Flue Conversion Kits 11 Mounting and Mounting bracket dimensions Leveling boiler 12 Provisions installation area 13 Mounting instruction 14 he air inlet and flue gas outlet system 14 Flue / Air inlet resistance Table 15 SC-B Flue resistance table and example calculation 1 16 Single & cascade air inlet resistance table

4 17 Condense Drain 18 Hydraulic information 18 Central heating system requirements 18 Central Heating circuit 18 The expansion vessel 18 S-CB Internal Pump 19 Low Loss Header 19 FOR THE ELECTRICIAN 20 Inbuilt Controls Included 20 Connecting to the mains power supply 20

5 Connector strip 20 Heating Curve 21 Description of control connections - Terminals 1 to 4 21 - Terminals 5 to 13 22 - Terminals 14 to 26 23 Polarity sensitivity 24 Fuses Main & boiler internal 24 Control Schemes

6 24 Control schemes cascade 25 Electrical Circuit Diagram 26 Contents Page 3 8. PUTTING INTO OPERATIONPage27 Control panel, control knobs & s 27 Sensors 28 Run and Fault Codes and Display meanings 29 Display buttons 30 Service Button 30 Filling and venting the boiler and system for light up 30 Starting the boiler and Commissioning 31 General

7 31 Commissioning and light-up 31 Adjusting and setting the output 31 Setting the maximum output 32 Setting the minimum output 33 Gas conversion 33 9. LONG TERM SHUTDOWN 34 10. LOCK OUT / USER COMPLAINT 35 11. TROUBLESHOOTING 36 Cause of the fault 37 Troubleshooting table & remedial action 38 & 39 12.

8 INSPECTION AND MAINTENANCE 40 General 40 Inspection 40 Maintenance 41 Instructing the end user 41 13. Propane Settings 42 SCB 60 to 120 42 SCB 150 to 180 43 14.

9 EXPLODED VIEWS AND SPARES 44 , fan, gas pipe, heat exchanger, casing S-CB60 S-CB120 45 Parts S-CB60 S-CB120 46 fan, gas pipe, heat exchanger, casing S-CB150 S-CB180 47 Spares Parts S-CB150 S-CB180 48 Pipelines & pumps S-CB60 S-CB120 49 Spare Parts S-CB60 S-CB120 50 Pipelines & pumps S-CB150 S-CB180 50 Parts S-CB150 S-CB180 50 15.

10 ACCESSORIES 51 Boiler Mounting Frames 51 17. USE OF PLATE HEAT EXCHANGER 53 Use of Plate Heat Exchanger & Low Loss header 53