Checking The High Limit Safety Cut-Out Setting; Filling The Heating System With Water And Venting; Filling The Trap With Water; Commissioning The System - Viessmann Vitocrossal 200 Service Instructions For Contractors

Checking the high limit safety cut-out setting

The high limit safety cut-out must not be set higher
than 110 °C; if required, set it to a maximum of 110 °C.

Filling the heating system with water and venting

Record the volume filled, water hardness and pH value
on page 56.

Filling the trap with water

Fig. 1

Commissioning the system

Danger
CO build-up as a result of incorrect burner
adjustment can have serious health implications.
Always carry out a CO test before and after
work on gas appliances.
Control unit operating and service instructions,
and neutralising system operating instructions
Commissioning, inspection, maintenance
Control unit installation and service instructions
Note
Observe section "Water quality requirements" on
page 54.
1. Undo the trap and fill it with water. Otherwise flue
gas may escape.
2. Check that the condensate can drain freely.
3. Refit the trap.
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