Viessmann Vitovalor 300-P Installation And Service Instructions For Contractors page 51

Steps - commissioning, inspection and...
Commissioning steps
Inspection steps
Maintenance steps
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40. 5-yearly maintenance of fuel cell module........................................................................ 86
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41. Checking the external diaphragm expansion vessel (heating circuit) and system
pressure.............................................................................................................................. 86
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42. Checking the safety valve function
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43. Checking the firm seating of electrical connections
• • •
44. Checking for tightness the gas-bearing parts of the gas condensing module and
connections to the fuel cell module under operating pressure..................................... 87
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45. Checking the combustion quality..................................................................................... 87
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46. Checking the flue system for unrestricted flow and tightness
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47. Matching the control unit to the heating system............................................................ 88
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48. Adjusting the heating curves............................................................................................ 88
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49. Calling up and resetting "Service" on the programming unit of the gas
condensing module........................................................................................................... 90
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50. Mounting the cover panel and front panel (fuel cell module)........................................ 90
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51. Instructing the system user.............................................................................................. 91
Commissioning, inspection, maintenance
(cont.)
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