Installation manual
41
3.5.2
Evacuation duct
It is recommended that a separate smooth-walled evacuation duct should be connected to each dryer, providing the
least possible resistance to air.
Check that the shaft flow is at least twice the capacity of the ironer exhaust fan.
Danger
To prevent any risk of burnings, the vapours’evacuation duct of the flatwork ironers of the linen has to be insu-
lated (to be done by the customer)
Warning
It is essential that the diameter of the evacuation pipe should be selected as a function of each installation so that
the pressure loss never exceed 200 Pa (0.029 Psi) (Value measured at ambient temperature with a manometer
connected to the vrtical air outlet (dia 6 or 8 mm), located minimum 1 m after the elbow of the machine exit).
Important
These conditions are
ABSOLUTELY ESSENTIAL
for correct working of the ironer.
3.5.3
Specifications :
3.5.3.1
Electric, steam heating :
Fan maximum flow rate with no pressure : 880 Pa.
Average temperature of exhaust at the machine outlet :
electric heating : 65 °C (149 °F)
Steam heating : 65 °C (149 °F)
3.5.3.2
Gas heating :
Fan maximum flow rate with no pressure : 880 Pa.
Average temperature of exhaust at the machine outlet : 110 °C (212 °F)
For the gas heating, the required combustion fresh air supply should be not less than 2 M3/h (1.17cfm) per kW :
machine 4819 : 78 m3/h (46 cfm)
machine 4825 : 104 m3/h (61 cfm)
machine 4832 : 130 m3/h (77 cfm)
Important
NOTE : If the flow is insufficient due to an excessive head loss, a safety pressure switch will automatically switch
the heating off.
3.5.3.3
Values of adjustment of safety pressure switch :
machine 4819 : 147 Pa (15 mmH2O)
machine 4825 : 88 Pa (9 mmH2O)
machine 4832 : 49 Pa (5 mmH2O)
Содержание IC6 48 FFS Series
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