structure which does not match the current structure.
Nr DR-50bb.000cddd
1. Model designation
2. Regeneration heater (a) - the type of heater the unit is equipped with.
R = Resistive (electric)
G = Gas
S = Steam
3. Special unit (
) - Code to indicate a special manufactured unit.
SP = Special
The absent of "SP" will indicate it is a standard manufactured unit, e.g. DR-50RSP is a special manufactured unit. DR-50R is a standard manufactured unit.
4. Serial number (c) - To indicate if the unit belong to a special or standard manufactured serie.
0 = Standard manufactured serie
7 = Special manufactured serie
5. Serial number (ddd) - Serial number for the manufactured unit (ddd).