FCXI_P
28
/&y/W/:ϭϱϬϭͳϱϯϴϯϵϬϬͺϬϱ
EN
/ĨƚŚĞĨĂŶĐŽŝůƌƵŶƐ ĐŽŶƚŝŶƵŽƵƐůLJ ŝŶ ĐŽŽůŝŶŐŵŽĚĞ
ŝŶĂŶĞŶǀŝƌŽŶŵĞŶƚǁŝƚŚŚŝŐŚƌĞůĂƚŝǀĞŚƵŵŝĚŝƚLJ
ĐŽŶĚĞŶƐĂƚĞ ŵĂLJ ĨŽƌŵ ŽŶ ƚŚĞ Ăŝƌ ĨůŽǁ dŚŝƐ
ĐŽŶĚĞŶƐĂƚĞĐŽƵůĚ ĚƌŝƉŽŶƚŽƚŚĞĨůŽŽƌ ĂŶĚ ŽŶƚŽ
any underlying objects. To prevent condensation
ƉŚĞŶŽŵĞŶĂ ŽŶ ƚŚĞ ĞdžƚĞƌŶĂů ƐƚƌƵĐƚƵƌĞ ŽĨ ƚŚĞ
ĂƉƉůŝĂŶĐĞǁŝƚŚƚŚĞĨĂŶƌƵŶŶŝŶŐƚŚĞĂǀĞƌĂŐĞǁĂƚĞƌ
ƚĞŵƉĞƌĂƚƵƌĞ ŵƵƐƚ ŶŽƚ ĚƌŽƉ ďĞůŽǁ ƚŚĞ ůŝŵŝƚƐ
ŝŶĚŝĐĂƚĞĚŝŶƚŚĞƚĂďůĞdŚĞƐĞůŝŵŝƚƐĚĞƉĞŶĚŽŶƚŚĞ
ƚĞŵƉĞƌĂƚƵƌĞĂŶĚŚƵŵŝĚŝƚLJĐŽŶĚŝƚŝŽŶƐŽĨƚŚĞƌŽŽŵ
ĂŝƌdŚĞƐĞůŝŵŝƚƐ ƌĞĨĞƌƚŽŽƉĞƌĂƚŝŽŶǁŝƚŚ ƚŚĞ ĨĂŶ
running at minimum speed.
ŽŶĚĞŶƐĂƚŝŽŶŵĂLJĨŽƌŵŝŶƚŚĞĞǀĞŶƚƚŚĞĨĂŶŝƐ
off for a prolonged period and cold water flows in
ƚŚĞĐŽŝů therefore, we recommend installing the
3-way valve (accessory).
/Ŷ ŽƌĚĞƌ ƚŽ ƉƌĞǀĞŶƚ Ăŝƌ ƐƚƌĂƟĮĐĂƟŽŶ ŝŶ ƚŚĞ
ĞŶǀŝƌŽŶŵĞŶƚĂŶĚƚŚƵƐŚĂǀĞďĞƩĞƌŵŝdžŝŶŐƚŚĞĨĂŶ
ĐŽŝůƐŚŽƵůĚŶŽƚďĞƐƵƉƉůŝĞĚǁŝƚŚǁĂƚĞƌƚŚĂƚŝƐŚŽƩĞƌ
ƚŚĂŶϲϱΣhƐŝŶŐǁĂƚĞƌĂƚĂǀĞƌLJŚŝŐŚƚĞŵƉĞƌĂƚƵƌĞ
ĐĂŶĐĂƵƐĞ ĐƌĞĂŬŝŶŐĚƵĞ ƚŽƚŚĞ ŚĞĂƚ ĞdžƉĂŶƐŝŽŶ ŽĨ
ƚŚĞ ĞůĞŵĞŶƚƐ ;ƉůĂƐƟĐ ĂŶĚ ŵĞƚĂůͿ ,ŽǁĞǀĞƌ ƚŚŝƐ
ĚŽĞƐ ŶŽƚ ĐĂƵƐĞ ĚĂŵĂŐĞ ƚŽ ƚŚĞ ƵŶŝƚ ƵŶůĞƐƐ ƚŚĞ
ŵĂdžŝŵƵŵŽƉĞƌĂƟŶŐƚĞŵƉĞƌĂƚƵƌĞŝƐĞdžĐĞĞĚĞĚ
MINIMUM AVERAGE WATER TEMPERATURE [°C]
Dry-bulb temperature of room temperature
21 23 25 27 29 31
Wet-bulb temperature
of room temperature
15 333333
17 333333
19 333333
21 654333
23 -87655
Minimum average water temperature
Water temperature
33. VERSIONS AND SIZES AVAILABLE
Batteria standard • Standard coil • Batterie standard • Standard-Register • Batería estándar
FCXI 20 30 40 50 80
Batteria maggiorata • Oversized coil • Batterie plus puissante • Vergrößertes Register• Vergrößertes Register
FCXI 24 34 44 54 84
VERSION SIZES AVAILABLE
FCXI P 20 24 30 34 40 44 50 54 80 84
FCXI PBV 20 - 30 - 40 - 50 - 80 -
FCXI PBVD 20 - 30 - 40 - 50 - 80 -
FCXI P
FCXI P
OPERATING ENVIRONMENT
dŚĞƵŶŝƚƐĂƌĞĚĞƐŝŐŶĞĚĨŽƌŝŶƐƚĂůůĂƟŽŶŝŶĐůŽƐĞĚĞŶǀŝƌŽŶŵĞŶƚƐŝŶĐŽŶĚŝƟŽŶƐŽĨƵƌďĂŶ
ŶŽŶͲŵĂƌŝŶĞĂƚŵŽƐƉŚĞƌĞǁŝƚŚŶŽŶͲĐŽƌƌŽƐŝǀĞĂŶĚŶŽŶͲĚƵƐƚLJĐŚĂƌĂĐƚĞƌŝƐƟĐƐ
hŶĚĞƌŶŽĐŝƌĐƵŵƐƚĂŶĐĞƐƚŚĞĨŽůůŽǁŝŶŐĐŽŶĐĞŶƚƌĂƟŽŶƐŽĨƉŽůůƵƚĂŶƚƐŝŶƚŚĞĂŝƌŝŶǁŚŝĐŚ
ƚŚĞƵŶŝƚŵƵƐƚŽƉĞƌĂƚĞƐŚĂůůďĞĞdžĐĞĞĚĞĚ
SO
2
фϬϬϮƉƉŵ
H
2
S фϬϬϮƉƉŵ
EKEK
2
фϭƉƉŵ
NH
3
фϲƉƉŵ
N
2
O фϬϮϱƉƉŵ
dŚĞ ƵŶŝƚ ƐŚŽƵůĚ ŶŽƚ ďĞ ŝŶƐƚĂůůĞĚ ŝŶ ůŽĐĂƟŽŶƐ ĐŚĂƌĂĐƚĞƌŝnjĞĚ ďLJ ƚŚĞ ƉƌĞƐĞŶĐĞ ŽĨ
ŇĂŵŵĂďůĞŐĂƐĞƐŽƌĂĐŝĚŝĐŽƌĂůŬĂůŝŶĞƐƵďƐƚĂŶĐĞƐ
KƚŚĞƌǁŝƐĞ ƚŚĞ ĐŽŝůƐ ĂŶĚ ƚŚĞ ŝŶƚĞƌŶĂů ĐŽŵƉŽŶĞŶƚƐ ŽĨ ƚŚĞ ĞƋƵŝƉŵĞŶƚ ĐŽƵůĚ ƐƵīĞƌ
serious and irreparable damage from corrosion.
WARNINGS FOR THE QUALITY OF THE WATER CIRCULATING
IN THE COILS
/ƚ ŝƐ ƌĞĐŽŵŵĞŶĚĞĚ ƚŽ ƉĞƌĨŽƌŵ ĂŶ ĂŶĂůLJƐŝƐ ŽĨ ƚŚĞ ǁĂƚĞƌ ĐŝƌĐƵůĂƟŶŐ ŝŶ ƚŚĞ ĐŽŝů
ĨŽĐƵƐŝŶŐ ŽŶ ƚŚĞ ƌĞƐĞĂƌĐŚ ŽĨ ƚŚĞ ƉŽƐƐŝďůĞ ƉƌĞƐĞŶĐĞ ŽĨ ďĂĐƚĞƌŝĂ ;ĚĞƚĞĐƟŽŶ ŽĨ
ŝƌŽŶďĂĐƚĞƌŝĂ ĂŶĚ ŵŝĐƌŽͲŽƌŐĂŶŝƐŵƐ ƚŚĂƚ ĐĂŶ ƉƌŽĚƵĐĞ ,Ϯ^ Žƌ ĐŚĞŵŝĐĂůůLJ ƌĞĚƵĐĞ
ƐƵůƉŚĂƚĞƐͿĂŶĚŽŶƚŚĞĐŚĞŵŝĐĂůĐŽŵƉŽƐŝƟŽŶŽĨƚŚĞǁĂƚĞƌƚŽƉƌĞǀĞŶƚĐŽƌƌŽƐŝŽŶ
ĂŶĚĨŽƵůŝŶŐŝŶƐŝĚĞƚŚĞƚƵďĞƐ
dŚĞǁĂƚĞƌĐŝƌĐƵŝƚŵƵƐƚďĞƐƵƉƉůŝĞĚĂŶĚƌĞƉůĞŶŝƐŚĞĚǁŝƚŚƚƌĞĂƚĞĚǁĂƚĞƌƚŚĂƚĚŽĞƐ
ŶŽƚĞdžĐĞĞĚƚŚĞƚŚƌĞƐŚŽůĚůĞǀĞůƐŝŶĚŝĐĂƚĞĚďĞůŽǁ
dŽƚĂůŚĂƌĚŶĞƐƐŝŶŵŵŽůů ůфŵŵŽůůůфϭϱ
ŚůŽƌŝĚĞƐ>
-
] фϭϬŵŐůŝƚƌĞ
^ƵůƉŚĂƚĞƐ^K
4
2-
] фϯϬŵŐůŝƚƌĞ
EŝƚƌĂƚĞƐEK
3
-
] = 0 mg/litre
Dissolved iron фϬϱŵŐůŝƚƌĞ
Dissolved oxygen ϰфK
2
фϵŵŐůŝƚƌĞ
ĂƌďŽŶĚŝŽdžŝĚĞK
2
] фϯϬŵŐůŝƚƌĞ
ZĞƐŝƐƟǀŝƚLJ ϮϬKŚŵͼŵфZĞƐŝƐƟǀŝƚLJф
ϱϬKŚŵͼŵ
pH ϲϵфƉ,фϴ