Swift Sterling User Manual

FITTED EQUIPMENT
119
Filling
The central heating system is filled with HTF
through the expansion tank, either by hand, or
using the Alde service pump. Any containers
used for handling or storing the HTF should
be checked first, and must be visibly clean
to avoid introducing contaminants or foreign
objects into the system.
Alde recommends using the Alde 1900-811 or
839 twin-motor service pump to fill the system.
To fill the system by hand, unscrew the
expansion tank cap (Fig 2 [R]), and lift the
circulation pump (Fig 2 [S]) out of the tank (if
applicable). Carefully pour the HTF into the
tank, and repeat until the fluid level is about 1
cm above the MIN mark when cold.
Figure 2
Central Heating
The boiler is set to an upper limit temperature
of 85°C, i.e., the temperature of the heat
transfer fluid (HTF) as it circulates around the
pipes, radiators, convectors, et al.
To ensure the best performance from hydronic
heating, air must be able to circulate freely
around the back of the furniture (Fig 3). Air
vents, cut into the top and bottom of the
furniture must be unobstructed by carpets,
cushions, or stowage, etc.
The full length of a convector should be
ventilated for best performance.
Note: Use gas and electric heating
simultaneously for the best performance.
The boiler will only use as much energy as is
needed, and is 93% efficient on a SEBDUK
based test.
Figure 3

Swift Sterling Specifications

General

Brand	Swift
Model	Sterling
Category	Caravans
Language	English