Carrier 50FF 020-093 Installation, Operation And Maintenance Instructions page 53

12 - FACTORY OPTIONS AND ACCESSORIES
■ The first section of the condensate drain pipe, which is
connected to the condensate outlet from the boiler (Ø 25 mm),
must be fl exible pipe to avoid any contact with the discharge
pipe.
■ Always maintain a slope angle of over 3° and ensure that the
diameter of any condensate drain pipe is greater than that of
the connection fi tted at the drain outlet.
■ The condensate drain must be connected to the drain and
sewage network in such a ways so that the condensate may
not freeze under any circumstances.
■ Connect the condensate drain hose to a domestic water drain
in accordance with national and local legislation and standards.
■ Fill the siphon with water before activating on the thermal
module in order not to release any combustion products into
the environment when the thermal module is fi rst switched on.
Electrical connection
The cables for the electrical connection of the boiler are located
on the lower part of the boiler.
The installer must pass these cables through the bottom panel
of the 50FF/FC unit, and next, route them to the connection box
"BOX8-BOI" .
W48-BOI
Note: see the wiring diagram included with the unit for a more
detailed information about the wiring.
Ø 25mm
W49-BOI
Boiler control panel
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1 255x80 point backlit display (106,4 x 39,0mm)
2 RESET key:
- Restores normal operations after a safety shut-down.
3 MENU key:
- Switches on the main menu
4 ESC key:
- In menu navigation, it enables you to exit a menu item and
go back to the previous one.
5 navigation key:
- Within a list of parameters if the cursor is located in the right
column (values column), move the cursor in the left column
(descriptions column).
6 navigation key:
- Within a menu, this allows the navigation down to select
diff erent submenus;
- Within a list of parameters, if the cursor is in the right column,
it reduces the value of the selected parameter;
- Within a list of parameters, if the cursor is in the left column,
it selects the next parameter.
7 navigation key:
- In menu navigation, It allows to enter the selected menu item;
- Within a list of parameters, it allows to confi rm a value or
setting.
8 navigation key:
- Within a list of parameters if the cursor is located in the left
column (descriptions column), move the cursor in the right
column (values column).
9 navigation key:
- Within a menu, this allows the navigation up to select diff erent
submenus;
- Within a list of parameters, if the cursor is in the right column,
it increases the value of the selected parameter;
- Within a list of parameters, if the cursor is in the left column,
it selects the previous parameter.
10 Main switch (located on the lower part of the boiler)
Important: For more information about the electronic control
of the boiler refer to the manual of the manufacturer, provided
together with the unit.
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