Reznor VC series infrared heaters High altitude conversion instructions - Manual (Page 6)

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VPT, VCT Model Data Label
Step 3: Fit the new high altitude fan orifice plate and
secure with the same four screws.
Take care not to cross thread the screw
fixings.
Step 4: Refit the fan and the lid of the burner.
Step 2: Using a no.2 crosshead screwdriver remove
the four screws securing the fan orifice plate and
remove.
VCS Model Data Label
Final Step
Ensure that when converted for use at high altitude,
the data label is amended. Cover the previous
‘X’ (highlighted in a circle) with a blank label.
The altitude conversion can be identified with
another ‘X’ in the blank box indicated by the arrow.
Ensure a permanent marker is used.