
FCXI_AS_U
28 /&y//:ϭϱϬϭͳϱϯϴϲϰϬϬͺϬϬ
EN
ATTENTION: Ensure that the power
supply has been disconnected before
carrying out any intervention.
ATTENTION: before doing any work
provide yourself with the proper personal pro-
tective equipment.
ATTENTION: The device must be installed in
accordance with national wiring rules.
ATTENTION: keep electric attachments separate
from the hydraulic attachments. The hydraulic
attachments and condensate drain attachments
must be on the side opposite to the side with
the electrical connections.
ATTENTION: electrical connections and instal-
lation of the units and their accessories must
out be carried only by personnel with the tech-
nical-professional qualification for installing,
transforming, extending and maintaining the
systems as well as for inspecting them to ensu-
re safety and functionality.
ATTENTION: Install a device, master switch or
electric plug that allows disconnecting the
appliance’s power supply.
ATTENTION: See all of the documentation before
commencing installation.
dŚĞŝŶƐƚƌƵĐƟŽŶƐĞƐƐĞŶƟĂůĨŽƌƚŚĞƐƵĐĐĞƐƐĨƵůŝŶƐƚĂů-
ůĂƟŽŶŽĨƚŚĞƐLJƐƚĞŵĂƌĞŝŶĚŝĐĂƚĞĚŚĞƌĞ
dŚĞĐŽŵƉůĞƟŽŶŽĨĂůůƚŚĞŽƉĞƌĂƟŽŶƐŝƐŚŽǁĞǀĞƌůĞŌ
ƚŽƚŚĞĞdžƉĞƌŝĞŶĐĞŽĨƚŚĞŝŶƐƚĂůůĞƌĂĐĐŽƌĚŝŶŐƚŽƚŚĞ
ƐƉĞĐŝĮĐƌĞƋƵŝƌĞŵĞŶƚƐ
• ZĞĨĞƌƚŽƚŚĞĐŚĂƌĂĐƚĞƌŝƐƚŝĐƐŽĨƚŚĞǀĞƌƐŝŽŶŝŶ
ƋƵĞƐƚŝŽŶ
• ůůƚŚĞĨĂŶĐŽŝůƐĐĂŶďĞ ŝŶƐƚĂůůĞĚŝŶĂ ǀĞƌƚŝĐĂů
position.
• KŶůLJǀĞƌƐŝŽŶƐĞƋƵŝƉƉĞĚǁŝƚŚĨƌŽŶƚƚƌĂLJĐĂŶďĞ
ŝŶƐƚĂůůĞĚŝŶĂŚŽƌŝnjŽŶƚĂůƉŽƐŝƚŝŽŶ
• ŶƐƵƌĞƚŚĞĞůĞĐƚƌŝĐĂƚƚĂĐŚŵĞŶƚƐĂƌĞŬĞƉƚƐĞƉĂƌĂ-
ƚĞĨƌŽŵƚŚĞŚLJĚƌĂƵůŝĐĂƚƚĂĐŚŵĞŶƚƐdŚĞŚLJĚƌĂƵůŝĐ
ĂƚƚĂĐŚŵĞŶƚƐĂŶĚ ĐŽŶĚĞŶƐĂƚĞĚƌĂŝŶĂƚƚĂĐŚŵĞŶƚƐ
ŵƵƐƚďĞŽŶƚŚĞ ƐŝĚĞŽƉƉŽƐŝƚĞƚŽƚŚĞƐŝĚĞǁŝƚŚ
ƚŚĞĞůĞĐƚƌŝĐĂůĐŽŶŶĞĐƚŝŽŶƐ
Before installing the unit, ensure that the follow-
ŝŶŐŝŶƐƚƌƵĐƟŽŶƐŚĂǀĞďĞĞŶĐŽŵƉůŝĞĚǁŝƚŚ
Place of assembly:
• Install in indoor closed environments.
• dŚĞǁĂůůŽƌĐĞŝůŝŶŐ ŵƵƐƚďĞ ĐĂƉĂďůĞ ŽĨ ƐƵƉƉŽƌ-
ƚŝŶŐƚŚĞƵŶŝƚǁĞŝŐŚƚ
ͻ/ŶƐƚĂůůĂƟŽŶŵƵƐƚŶŽƚĐŽŶƐƟƚƵƚĞĂĚĂŶŐĞƌƚŽƉĞƌ-
sons.
• dŚĞƉůĂĐĞŽĨŝŶƐƚĂůůĂƚŝŽŶŵƵƐƚďĞ ƉƌŽǀŝĚĞĚǁŝƚŚ
ƚŚĞŚLJĚƌĂƵůŝĐĂƚƚĂĐŚŵĞŶƚƐŽĨƚŚĞŚĞĂƚŝŶŐĂŶĚŽƌ
cooling systems.
• dŚĞƉůĂĐĞŽĨŝŶƐƚĂůůĂƚŝŽŶŵƵƐƚďĞ ƉƌŽǀŝĚĞĚǁŝƚŚ
ĞůĞĐƚƌŝĐĂůĐŽŶŶĞĐƚŝŽŶŽƌƉŽǁĞƌƐŽĐŬĞƚ
• dŚĞƉůĂĐĞŽĨŝŶƐƚĂůůĂƚŝŽŶƐŚŽƵůĚďĞƉƌŽǀŝĚĞĚǁŝƚŚ
ĂĐŽŶŶĞĐƚŝŽŶƚŽƚŚĞĐŽŶĚĞŶƐĂƚĞĚƌĂŝŶŝĨƚŚĞƵŶŝƚ
ƐŚŽƵůĚďĞŽƉĞƌĂƚĞĚŝŶĐŽŽůŝŶŐŵŽĚĞ
ͻdŚĞƵŶŝƚŵƵƐƚďĞŝŶƐƚĂůůĞĚŝŶĂƉŽƐŝƟŽŶƚŽĂůůŽǁ
ĞĂƐLJƌŽƵƟŶĞ;ĐůĞĂŶŝŶŐŽĨƚŚĞĮůƚĞƌͿĂŶĚĞdžƚƌĂŽƌĚŝ-
ŶĂƌLJŵĂŝŶƚĞŶĂŶĐĞĂƐǁĞůůĂƐĂĐĐĞƐƐƚŽƚŚĞĂŝƌǀĞŶƚ
ǀĂůǀĞŽŶƚŚĞƐŝĚĞŽĨƚŚĞĨƌĂŵĞ;ĐŽŶŶĞĐƟŽŶƐƐŝĚĞͿ
• dŚĞƉůĂĐĞŽĨĂƐƐĞŵďůLJƐŚŽƵůĚŚĂǀĞƚŚĞŵĂdžŝŵƵŵ
and minimum limit of environment temperature
ŝŶĚŝĐĂƚĞĚŝŶƚŚĞƚĂďůĞΗKƉĞƌĂƟŶŐůŝŵŝƚƐΗ
ͻŽŶŽƚŝŶƐƚĂůůƚŚĞƵŶŝƚŝŶĂƌĞĂƐǁŚĞƌĞƚŚĞƌĞĂƌĞ
ŇĂŵŵĂďůĞŐĂƐĞƐŽƌĂĐŝĚŝĐŽƌĂůŬĂůŝŶĞƐƵďƐƚĂŶĐĞƐ
ƚŚĂƚ ĐŽƵůĚ ŝƌƌĞƉĂƌĂďůLJ ĚĂŵĂŐĞ ƚŚĞ ĐŽƉƉĞƌͲĂůƵ-
ŵŝŶŝƵŵŚĞĂƚĞdžĐŚĂŶŐĞƌƐŽƌƉůĂƐƟĐŝŶƚĞƌŶĂůĐŽŵ-
ponents.
ͻŽŶŽƚŝŶƐƚĂůůƚŚĞƵŶŝƚŝŶǁŽƌŬƐŚŽƉƐŽƌŬŝƚĐŚĞŶƐ
ǁŚĞƌĞƚŚĞŽŝůǀĂƉŽƵƌƐŵŝdžĞĚǁŝƚŚƚŚĞƚƌĞĂƚĞĚĂŝƌ
ĐŽƵůĚ ĚĞƉŽƐŝƚ ŽŶ ĞdžĐŚĂŶŐĞ ďĂƩĞƌŝĞƐ ƌĞĚƵĐŝŶŐ
ƉĞƌĨŽƌŵĂŶĐĞŽƌŽŶƚŚĞŝŶƚĞƌŶĂůƉĂƌƚƐŽĨƚŚĞƵŶŝƚ
ĚĂŵĂŐŝŶŐƚŚĞƉůĂƐƟĐĐŽŵƉŽŶĞŶƚƐ
• dŚĞƉŽƐŝƚŝŽŶŵƵƐƚĞŶƐƵƌĞƐƵĨĨŝĐŝĞŶƚƐƉĂĐĞĨŽƌƚŚĞ
ĂŝƌĨůŽǁƐŝŶŝŶƚĂŬĞĂŶĚĚĞůŝǀĞƌLJ
• tŝƚŚǁĂůůŝŶƐƚĂůůĂƚŝŽŶǁŝƚŚŝŶƚĂŬĞĨƌŽŵďĞůŽǁ
ŵĂŝŶƚĂŝŶĂŵŝŶŝŵƵŵĚŝƐƚĂŶĐĞĨƌŽŵƚŚĞĨůŽŽƌŽĨ
80 mm.
ͻdŚĞƵŶŝƚŵƵƐƚďĞŝŶƐƚĂůůĞĚŝŶĂƉŽƐŝƟŽŶƐƵĐŚƚŚĂƚ
ƚŚĞ Ăŝƌ ĐĂŶ ďĞ ĚŝƐƚƌŝďƵƚĞĚ ƚŚƌŽƵŐŚŽƵƚ ƚŚĞ ĞŶǀŝ-
ƌŽŶŵĞŶƚdŚĞƌĞŵƵƐƚďĞŶŽďĂƌƌŝĞƌƐ;ƉĂŶĞůƐ Žƌ
ŽďũĞĐƚƐͿƚŽƉĂƐƐĂŐĞŽĨƚŚĞĂŝƌĨƌŽŵƚŚĞŝŶƚĂŬĞĂŶĚ
delivery grilles.
• /ŶƚŚĞĞǀĞŶƚŽĨĨůŽŽƌ ŝŶƐƚĂůůĂƚŝŽŶǁŝƚŚƉůŝŶƚŚƐ
ƌĞĨĞƌ ƚŽ ƚŚĞ ŝŶƐƚƌƵĐƚŝŽŶƐ ĂĐĐŽŵƉĂŶLJŝŶŐ ƚŚĞ
accessory.
ͻdŚĞƵŶŝƚƐƉƌŽǀŝĚĞĚĨŽƌĐŽŶŶĞĐƟŽŶƐǁŝƚŚƉŝƉĞƐĨŽƌ
ĂŝƌŚĂǀĞĂƐĞƌŝĞƐŽĨĂĐĐĞƐƐŽƌŝĞƐĨŽƌĮƫŶŐƚŽƚŚĞ
ducts.
/ŶĐŚŽŽƐŝŶŐƚŚĞƉŽŝŶƚŽĨŝŶƐƚĂůůĂƟŽŶƚĂŬĞŝŶƚŽĂĐ-
ĐŽƵŶƚƚŚĞŝƌĐŚĂƌĂĐƚĞƌŝƐƟĐƐĚŝŵĞŶƐŝŽŶƐĂŶĚƚĞĐŚ-
ŶŝĐĂůĂƌĞĂƐƌĞƋƵŝƌĞĚĨŽƌŝŶƐƚĂůůĂƟŽŶĂŶĚ ŵĂŝŶƚĞ-
nance.
,LJĚƌĂƵůŝĐĐŽŶŶĞĐƟŽŶƐ
ͻdŚĞƉŝƉĞƐŽĨƚŚĞŚŽƚĂŶĚŽƌĐŽůĚǁĂƚĞƌŵƵƐƚďĞŝŶ
ƚŚĞƉŽƐŝƟŽŶĂŶĚǁŝƚŚƚŚĞĚŝĂŵĞƚĞƌŽĨƚŚĞŚLJĚƌĂƵ-
ůŝĐĐŽŶŶĞĐƟŽŶƐƐŚŽǁŶŝŶƚŚŝƐŵĂŶƵĂů
dŚĞ ŚLJĚƌĂƵůŝĐ ĂƩĂĐŚŵĞŶƚƐ ĂƌĞ ŶŽƌŵĂů-
ůLJ ŽŶ ƚŚĞ ůĞŌ ŽĨ ƚŚĞ ƵŶŝƚ ;ĨƌŽŶƚ ǀŝĞǁͿ
dŚĞ ǀĞƌƐŝŽŶƐ ǁŝƚŚ Ϯ ĐŝƌĐƵŝƚ ďĂƩĞƌŝĞƐ ĨŽƌ ϰ ƉŝƉĞ
ƐLJƐƚĞŵƐ ĂƌĞ ŶŽƚ ƌĞǀĞƌƐŝďůĞ ŽƚŚ ƚŚĞ ǀĞƌƐŝŽŶƐ
ǁŝƚŚ ƌŝŐŚƚ ĂŶĚ ůĞŌ ĐŽŶŶĞĐƟŽŶƐ ĂƌĞ ĂǀĂŝůĂďůĞ
ͻdŽĂǀŽŝĚĚƌŝƉƐĚƵƌŝŶŐƚŚĞĐŽŽůŝŶŐŽƉĞƌĂƟŽŶŝƚ
ŝƐĂĚǀŝƐĂďůĞƚŽĂĚĞƋƵĂƚĞůLJŝƐŽůĂƚĞƚŚĞǁĂƚĞƌƉŝƉĞƐ
ŽƌƚŽŝŶƐƚĂůůƚŚĞĂƉƉƌŽƉƌŝĂƚĞĂƵdžŝůŝĂƌLJĐŽŶĚĞŶƐĂƚĞ
ĐŽůůĞĐƟŽŶƚƌĂLJĂǀĂŝůĂďůĞĂƐĂŶĂĐĐĞƐƐŽƌLJ
ͻtŚĞƌĞƚŚĞǀĂůǀĞŝƐŝŶƐƚĂůůĞĚƚŚĞŵŝŶŝŵƵŵƚĞŵ-
perature water probe can be installed in two po-
ƐŝƟŽŶƐ
ͲŝŶŝƚƐƐĞĂƚŝŶƚŚĞĐŽŝů
ͲƚŽƚŚĞĚĞůŝǀĞƌLJƉŝƉĞƵƉƐƚƌĞĂŵŽĨƚŚĞǀĂůǀĞ
ŽŶƐƵůƚ ƚŚĞ ƚŚĞƌŵŽƐƚĂƚ ŵĂŶƵĂů ďĞĨŽƌĞ ƐĞůĞĐƟŶŐ
ƚŚĞƉŽƐŝƟŽŶŽĨƚŚĞƉƌŽďĞŽĨƚŚĞŵŝŶŝŵƵŵƚĞŵ-
ƉĞƌĂƚƵƌĞǁĂƚĞƌƉƌŽďĞĚĞƉĞŶĚŝŶŐŽŶƚŚĞĐŽŶƚƌŽů
33. INSTALLATION
INFORMATION FOR INSTALLATION
OPERATING ENVIRONMENT
dŚĞƵŶŝƚƐĂƌĞĚĞƐŝŐŶĞĚĨŽƌŝŶƐƚĂůůĂƟŽŶŝŶĐůŽƐĞĚĞŶǀŝƌŽŶŵĞŶƚƐŝŶĐŽŶĚŝƟŽŶƐŽĨƵƌďĂŶ
ŶŽŶͲŵĂƌŝŶĞĂƚŵŽƐƉŚĞƌĞǁŝƚŚŶŽŶͲĐŽƌƌŽƐŝǀĞĂŶĚŶŽŶͲĚƵƐƚLJĐŚĂƌĂĐƚĞƌŝƐƟĐƐ
hŶĚĞƌŶŽĐŝƌĐƵŵƐƚĂŶĐĞƐƚŚĞĨŽůůŽǁŝŶŐĐŽŶĐĞŶƚƌĂƟŽŶƐŽĨƉŽůůƵƚĂŶƚƐŝŶƚŚĞĂŝƌŝŶǁŚŝĐŚ
ƚŚĞƵŶŝƚŵƵƐƚŽƉĞƌĂƚĞƐŚĂůůďĞĞdžĐĞĞĚĞĚ
SO2фϬϬϮƉƉŵ
H2SфϬϬϮƉƉŵ
EKEK2фϭƉƉŵ
NH3фϲƉƉŵ
N2OфϬϮϱƉƉŵ
dŚĞƵŶŝƚƐŚŽƵůĚŶŽƚďĞŝŶƐƚĂůůĞĚŝŶůŽĐĂƟŽŶƐĐŚĂƌĂĐƚĞƌŝnjĞĚďLJƚŚĞƉƌĞƐĞŶĐĞŽĨŇĂŵŵĂďůĞ
ŐĂƐĞƐŽƌĂĐŝĚŝĐŽƌĂůŬĂůŝŶĞƐƵďƐƚĂŶĐĞƐ
KƚŚĞƌǁŝƐĞƚŚĞĐŽŝůƐĂŶĚƚŚĞŝŶƚĞƌŶĂůĐŽŵƉŽŶĞŶƚƐŽĨƚŚĞĞƋƵŝƉŵĞŶƚĐŽƵůĚƐƵīĞƌƐĞƌŝŽƵƐ
and irreparable damage from corrosion.
WARNINGS FOR THE QUALITY OF THE WATER CIRCULATING IN
THE COILS
/ƚŝƐƌĞĐŽŵŵĞŶĚĞĚƚŽƉĞƌĨŽƌŵĂŶĂŶĂůLJƐŝƐŽĨƚŚĞǁĂƚĞƌĐŝƌĐƵůĂƟŶŐŝŶƚŚĞĐŽŝůĨŽĐƵƐŝŶŐŽŶ
ƚŚĞƌĞƐĞĂƌĐŚŽĨƚŚĞƉŽƐƐŝďůĞƉƌĞƐĞŶĐĞŽĨďĂĐƚĞƌŝĂ;ĚĞƚĞĐƟŽŶŽĨŝƌŽŶďĂĐƚĞƌŝĂĂŶĚŵŝĐƌŽͲ
ŽƌŐĂŶŝƐŵƐ ƚŚĂƚ ĐĂŶ ƉƌŽĚƵĐĞ ,Ϯ^ Žƌ ĐŚĞŵŝĐĂůůLJ ƌĞĚƵĐĞ ƐƵůƉŚĂƚĞƐͿ ĂŶĚ ŽŶ ƚŚĞ ĐŚĞŵŝĐĂů
ĐŽŵƉŽƐŝƟŽŶŽĨƚŚĞǁĂƚĞƌƚŽƉƌĞǀĞŶƚĐŽƌƌŽƐŝŽŶĂŶĚĨŽƵůŝŶŐŝŶƐŝĚĞƚŚĞƚƵďĞƐ
dŚĞ ǁĂƚĞƌ ĐŝƌĐƵŝƚ ŵƵƐƚ ďĞ ƐƵƉƉůŝĞĚ ĂŶĚ ƌĞƉůĞŶŝƐŚĞĚ ǁŝƚŚ ƚƌĞĂƚĞĚ ǁĂƚĞƌ ƚŚĂƚ ĚŽĞƐ ŶŽƚ
ĞdžĐĞĞĚƚŚĞƚŚƌĞƐŚŽůĚůĞǀĞůƐŝŶĚŝĐĂƚĞĚďĞůŽǁ
dŽƚĂůŚĂƌĚŶĞƐƐŝŶŵŵŽůů ůфŵŵŽůůůфϭϱ
ŚůŽƌŝĚĞƐ>-]фϭϬŵŐůŝƚƌĞ
^ƵůƉŚĂƚĞƐ^K4
2-]фϯϬŵŐůŝƚƌĞ
EŝƚƌĂƚĞƐEK3
-] = 0 mg/litre
Dissolved iron фϬϱŵŐůŝƚƌĞ
Dissolved oxygen ϰфK2фϵŵŐůŝƚƌĞ
ĂƌďŽŶĚŝŽdžŝĚĞK2]фϯϬŵŐůŝƚƌĞ
ZĞƐŝƐƟǀŝƚLJ ϮϬKŚŵͼŵфZĞƐŝƐƟǀŝƚLJф
ϱϬKŚŵͼŵ
pH ϲϵфƉ,фϴ