LTB Audio Systems FW09Q6, FW07Q6, FW18Q6, FW24Q6, FW36Q6 Installation, Operation And Maintenance Manual
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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 1 / 17
INSTALLATION, OPERATION
AND MAINTENANCE MANUAL
FW RANGE – Water condensing units
Cooling only
Monosplit
Single-phase
FW07Q6 – FW09Q6 – FW14Q6 – FW18Q6 – FW24Q6 – FW36Q6
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 2 / 17
In case of any deterioration, detailed reservations must be made and immediately sent
by registered letter to the carrier indicating the damages observed. A copy of the letter
must also be sent to the builder or to the retailer.
1 INTRODUCTION
The present document constitutes the installation, operation and maintenance manual for the following water
condensing units:
FW07Q6 (model code WQF101).
FW09Q6 (model code WQF102).
FW14Q6 (model code WQF103).
FW18Q6 (model code WQF104).
FW24Q6 (model code WQF105).
FW36Q6 (model code WQF106).
A water condensing split system consists of:
An indoor unit (IU) which can be a wall mount unit, ceiling cassette, ducted indoor unit or floor
mounted/ceiling console.
A condensing unit (CU) connected to the water network (town water, water loop).
The fitting must be carried out by a person with the right competences and legal capacities. This person
must respect the standing rules and regulations. The builder declines any responsibility and the guarantee will
no longer be applicable if the fitting instructions have not been respected. A case of any doubt or for any
additional detailed information, please contact your local retailer.
2 RECEIPT AND STORAGE OF THE GOODS
Please inspect the goods on receipt before unpacking. Any choc may have caused serious damage to unit's
function which will not be taken under warranty.
The machine must not be carried or placed upside-down. It must be stocked inside and perfectly sheltered
from rain and snow, etc. Weather variations (high or low temperatures) must not damage the unit. Very high
temperatures (from 60°C) may damage certain plastic parts and cause permanent damage. Moreover, certain
electronical components may not function properly.
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 3 / 17
Compressor
LP pressure switch (option)
Filter drier
Capillary expansion
LP service valve
HP service valve
HP pressure switch
Electrical panel
Water
regulation valve
3 DESCRIPTION OF THE GOODS
Each CU is supplied with:
A wall mount fixing rail.
2 water connection flexible hoses with 4 flat washers.
An installation, operation and maintenance manual containing the electrical drawing and the
commissioning form
4 DESCRIPTION OF THE UNIT
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 4 / 17
WITHOUT
LP switch
WITH
LP switch
WITHOUT AH BH
WITH CH DH
Enhance noise ins ultation
Water outlet
Water inlet
Suction flare valve
Liquid flare valve
Grommet for electrical
connection
Each CU model exist in 4 versions specified by its option pack which corresponds to the last two digits of the
article code (the first 6 being the model code):
Example: WQF104DH = FW 14 Q6 with the options « LP switch » and « Enhanced noise insulation ».
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 5 / 17
Care must be taken to ensure that the GC remains accessible for maintenance and respect the
service spaces that are defined for:
5 FLUIDIC DIAGRAM
6 INSTALLATION OF THE UNITS
This section explains how to choose the location to install and set up the CU.
Concerning the IU, please refer to its own documentation (supplied with the IU).
Choice of location:
Make sure the support on which the CU is installed is solid. CUs must be installed in a non-aggressive
environment. It is therefore necessary to avoid places with aggressive vapours, splashes of liquid, a high dust,
a marine atmosphere.
Easy access to the CU.
Easy access to the flared valves and water connections.
Removing the cover.
Reading the ID-plate.
Fitting of accessories (water filter, water flow meter).
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FW cooling only range – Monosplit single-phase
V6
Caution: the use of a manual that is not up to date with the condensing unit version does not
engage the responsibility of LTB
Page 6 / 17
FW 07 to 24
FW 36
The service spaces are as follows :
Setting up :
It is possible to install the CU in two ways:
First possibility: hanging the CU against a wall using its back mounting rail (supplied with the CU) :
Second possibility: installation of the CU (on feet, brackets ...) and fixing the CU on the bottom. For
FW size 07 to 24, four hexagonal M8 inserts are provided for this purpose:
FW 07 to 24 top view
For size 36, the holes are not pre-drilled.
All precautions should be taken to avoid the transmission of vibrations. If the vibrations are an important
part of the installation, it is necessary to favor an installation according to the second possibility.
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