EN
EN - 31
MAJOR LINE
EXCHANGER COIL MAINTENANCE
A clean coil is crucial to the efficiency of the unit. If necessary, clean the coil with a
vacuum cleaner, taking care not to damage the fins.
If the coil must be disassembled on account of a leak:
l Disconnect the water coil and the condensate drain.
l Remove the fan motor assembly (see the section above)
l Remove the condensate pan (see the section above)
l Unscrew the side screws from the exchanger coil and remove it from its
housing between the unit's support feet.
Note: The condensate pan can be removed without having to remove the heat
exchange coil.
CASING MAINTENANCE
To maintain the appearance of the unit, wipe it clean with a slightly soapy, damp
sponge and buff it with a soft, dry cloth. Use water-based non-abrasive cleaners.
Spare part list (fig.21)
a - Rear panel
b - Filter
c - Electrical heater with 1 or 2 heating elements
d - Runner for filter
e - Right-hand frame support foot
f - Left-hand frame support foot
g - Left-hand auxiliary pan
h - Right-hand auxiliary pan
i - Impeller
j - Motor + subframe
k - Upper half-scroll
l - Lower half-scroll
m - Galvanised steel front panel
n - Pan + insulation
o - Discharge grille
p - Terminal cover
q - Left-hand flange
r - Right-hand flange
s - Casing front panel
t - Casing front panel for front return air
u - Perforated air recovery grille
v - Side rail
w - Hydraulic coil (2-pipe or 4-pipe system)
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