1. Introduction and safety
The ComfoFond-L Q is specially developed to
operate in combination with a Zehnder ventilation
system of ComfoAir Q with Option Box. (Henceforth
called "the ventilation unit"). The required pump
control for the ComfoFond-L Q is integrated in this
ventilation unit as standard.
Safety instructions
Always comply with safety regulations in
this manual. Personal injury or damage
to the
ComfoFond-L Q can arise from non-
compliance with the safety regulations,
warnings, comments and instructions in
this manual.
The ComfoFond-L Q must only be
fitted, connected, commissioned and
set up by a registered installer;
Installation of the ComfoFond-L Q
must be carried out in accordance
with the general and locally
applicable construction, safety and
installation instructions of the local
council, electricity and water boards;
Always follow the safety regulations,
warnings, comments and instructions
given in this manual;
Store the manual in the vicinity of the
ComfoFond-L Q for its entire working
life;
Modifications to the ComfoFond-L Q
or its manual are not permitted;
The brine in the brine loop is
pressurised. The system must be de-
pressurised in a controlled manner if
maintenance is required on the brine
loop. Use the taps and filling valves in
the unit to do this;
When carrying out any work on the
ComfoFond-L Q, make sure the
power is disconnected and cannot be
inadvertently reconnected;
To disconnect the ComfoFond-L Q,
you must disconnectthe Option Box
and ventilation unit from the power
supply to which it is connected.
EN - 18
2. Transport and unpacking
Take care when transporting and unpacking the
ComfoFond-L Q.
Make sure the packing material is disposed of in
an environmentally friendly manner.
Checking delivery
Contact your supplier immediately in case of damage
or an incomplete delivery.
Most parts are on the inside of the ComfoFond-L
Q. Therefore the front of the ComfoFond-L Q
must be removed to check the delivery.
The delivery should include:
ComfoFond-L Q TR
ComfoFond-L Q; Check the identification plate to
ensure that it is the required type;
Filter with separate filter handle;
Condensation drain connection;
Wall bracket;
Boiler safety group;
Foam insulation for boiler safety group;
User manual;
Installer manual.
ComfoFond-L Q ST
ComfoFond-L Q; Check the identification plate to
ensure that it is the required type;
Filter with separate filter handle;
Condensation drain connection;
Wall bracket;
2 x 90º connection bends;
EPP sleeve joint;
180-160 adapter;
Metal sleeve joint;
Boiler safety group;
Foam insulation for boiler safety group;
User manual;
Installer manual.
The ComfoFond-L Q is supplied in the following
types:
Type:
ComfoFond-L Q L ST
ComfoFond-L Q L TR
Meaning of the suffices:
ComfoFond-L Q = Brine subsoil heat exchanger;
TR = Suitable for a ComfoAir Q TR;
ST = Suitable for a ComfoAir Q ST;
L = Suitable for a ComfoAir Q with the supply and
extract air to the left side;
R = Suitable for a ComfoAir Q with the supply and
extract air to the right side.
ComfoFond-L Q R ST
ComfoFond-L Q R TR