Viessmann ECV Series - Service Procedure Overview

Initial Sta rt-up and Service
37
Service P rocedure Overview
Service steps
S
1. Shut down heating system Page 38...................................................................................................................................
S
2. Clean heat exchanger Page 38.............................................................................................................................................
S
3. Check flue pipe and side wall v ent termination Page 40..............................................................................................
S
4. Check press ure relief valve and system pressure Page 40.........................................................................................
S
5. Check for leaks Page 40........................................................................................................................................................
S
6. Check for proper combustion air supply and ventilation to the boiler Page 41.....................................................
S
7. Ensure no combustible materials or chemicals are stored near the boiler Page 41.............................................
S
8. Check high limits, pumps and low water cut-off Page 41...........................................................................................
S
9. Check for gas-tight connection of gas piping, unions, gas valve and manifold Page 41...................................
S
10. Check proper ignition and gas burner operation Page 41..........................................................................................
S
11. Perform combustion test Page 41....................................................................................................................................
5167 450 v1.4