Csd-1 Kit - Buderus Logano plus GB312 Applications Manual

GB312 Applications Manual

7 CSD-1 Kit

• Call Bosch Thermotechnology Corp. to order the pair of
gas line pressure switches (1H.P. + 1L.P.)
• The part number to order is 7747019985 for both
• Low pressure switch part number is C6097A1061
• High pressure switch part number is DG15CTG15W
• Low water cut-out (LWCO) and Hi Limit manual reset
switches to be ordered seperately.
• Part numbers are the following:
LWCO - 550
Hi Limit - L4006E1109
10
30
20
30
NOTE:
• It works on a zero pressure regulated combination gas valve.
• If the pressure regulator inside the combination gas valve fails,
the H.P. switch will cut-out during burner operation.
Fig. 21 Air inlet, venturi GB312 US
Logano plus GB312 applications manual | 04.2008
40
50
51
60
High Pressure (H.P.) Switch location
set point = 2"WC Nat. Gas.
30
130
140
141
142
143
144
145
150
100
60
70
80
90
7747101925-02-Zuluft, Venturi VM312 US
Technical specifi cations are subject to change without prior notice
110
120
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