1403BSHH_AMEN,page 25/29
12.11 Fan delay relay
In case of a not continuous running fan, the fan delay
relay will activate the blower fan motor maximum 60
seconds after the gas valve has opened. The fan will
stop after maximum 120 seconds after the gas valve has
shut down.
Figure 34 :
12.12 Flue and combustion air piping
Check the complete system at least once a year.
Inspection should include all joints, seams, concentric
adapters and the flue terminal cap. Replace any
defective or heavily corroded parts.
12.13 Air filters
BSHH units have an optional facility for air intake filters.
Standard racks are provided to accommodate 50mm
nominal thickness filter elements. Unless otherwise
specified, filters supplied will be expendable type
synthetic pleated elements. The sizes and quantities
required to suit individual appliances are listed in table
8.
Table 8 : Filter size & quantities schedule
Qty required
Length
(mm)
Width
(mm)
055
4
496
395
60 61038 395496
4
496
395
60 61038 395496
2
624
496
60 61038 496624
SHH
Filter dimensions
Reznor PN
083
102
12.14 Condense drain system
Check yearly the condensate disposal system. Remove
the condensate trap and flush it with clean water to
remove any deposit. Check that the piping to the
sanitary drain has not been damaged. Verify that
sanitary drain is not obstructed.