ANTEA CTFSANTEA CTN CO

ND

ENSI

NG

BO

ILER

S

WITH MONO-THERMAL HEAT EXCHANGER

EN

Available with the following outputs:

24kW

➲ Ultra-compact size

➲ LCD user interface

➲ 7 litre expansion vessel

➲ Boiler change kit

➲Ready for connection to an external probe (option)

➲

Additional relay for managing2 heating zones (with same delivery temperature)

Pre-set to run on Methane or LPG

ANTEA CTFS and CTN

• Mono-thermal, copper heat exchanger

• Plate heat exchanger for production of domestic hot water

• Exclusive circulation pump compact version with integrated air purging device

• 7 litre expansion vessel

• Sliding temperature operation with external probe (optional)

• Factory-set for Methane or LPG

• Compact size LxHxD: 400 x 700 x 250 mm

• Steel sheet and ceramic panel combustion chamber

• Electronic board with continuous flame modulation based on three probes (flow, return and DHW) and ionization flame control via a single electrode

• LCD interface to view CH flow water temperature, DHW temperature, failure codes, CH setting, DHW setting and operating status setting

• Anti-fast, anti-freeze, pump anti-seizing, pump post-circulation and flue cleaning functions.

• Ready for connection to remote control

• Energy efficiency marking 92/42/EC: CTFS 24 ★★★

CTN 24 ★★

Model Gas type Code Heat output kWEfficiency rating atMaximum output

Gross weight(kg)

ANTEA CTFS 24sealed chamber

METHANE CAHxx2CA2423.7 93.0 % 28.00

LPG CAHxx3CA24

ANTEA CTN 24open chamber

METHANE CAHxx2CC2422.1 90.1 % 25.00

LPG CAHxx3CC24

THE PRICE INCLUDES: Paper template, dowels, blanking cap for air intake opening.

Mono-thermalheat exchanger

Hydraulic assemblySecondary plate heat exchanger

CTFS 24

WALL-HUNG GAS COMBI BOILER WITH INSTANT PRODUCTION OF DOMESTIC HOT WATER, OPEN OR SEALED COMBUSTION CHAMBER

M CH flow (¾”)

C DHW outlet (½”)

G Gas inlet (½”)

F Cold water inlet (½”)

R CH return (¾”)

top view bottom view

ACCESSORIES

DIMENSIONS AND CONNECTION CENTRE DISTANCES

Article Description Code

Covering for pipes and cocks 0COPETUB00

Remote control 0CREMOTO04

Metal fixing template 0DIMMECO10

Wall spacer kit 0DISTANZ00

Sludge remover 0KITDEFA00

Flow - return cold water 90° taps kit 0KITIDBA11

Base hydraulic kit (copper pipes and straight cocks) 0KITIDBA13

Article Description Code

Plus hydraulic kit (copper pipes, angle cocks and double cone fittings) 0KITIDBA14

Gas and water tap kit 0KITRUBI04

Kit for connection to solar plant with deviating valve and

thermostatic mixing valve0KITSOLC07

Connection kit for complex solar systems 0KITSOLC08

Replacement kit Panarea/Antea 0KITSOST01

Replacement kit Baxi/Antea - Luna 3 System HT - Luna 3 Comfort HT - Luna Platinum HT - Prime HT 0KITSOST02

Replacement kit Beretta/Antea- Esclusive Green - Mynute Green - Mybute Sinthesi 0KITSOST03

Replacement kit Immergas/Antea- Victrix 50 - Victrix Mini 0KITSOST04

Replacement kit Vaillant/Antea- Eco Block Exclusive - Eco block Plus

- Eco Block Pro0KITSOST05

Replacement kit Ariston/Antea- Clas Premium - Genus Premium - Genus - Clas 0KITSOST06

Replacement kit Tahiti/Antea 0KITSOST07

Biasi/Savio replacement kit- Inovia, Inovia Cond, Rinnova cond, Parva recupera

/ Aludens, Evodens, Futura, Superevo due0KITSOST14

Electrical kit for zone management with external probe

0KITZONE05

Basic kit for split vent ducts 0SDOPPIA11

Plus kit for split vent ducts (pipe length = 0.5 m) 0SDOPPIA12

External probe 0SONDAES01

Inhibitor for multi-metal systems (0.5 L bottle) 0PROTIMP00

Universal cleaner (0.5 L bottle) 0PROTIMP01

Liquid inhibitor for domestic multi-metal systems (10 L bottle) 0PROTIMP02

Neutral universal cleaner (10 L bottle) 0PROTIMP03

Liquid inhibitor for 3/4” filter 0PROTIMP04

Hydrocyclone and magnetic filter 0FILTIMP00

CTFS

CTN

108 93

7460

M

C G F

R

66 60 62 67 82 63

114

31

9181

250400

700

231,5

122

M

C G F

R

66 60 62 67 82 63

114

31

91

81

TECHNICAL SPECIFICATIONS CTFS 24 CTN 24

No. nozzles - 11 11

Nominal heat input kW 25.5 24.5

Reduced heat input kW 12.5 12.0

Nominal heat output kW 23.7 22.1

Reduced heat output kW 11.1 10.5

Useful efficiency at nominal heat input % 93.0 90.1

Useful efficiency at 30% % 90.4 88.5

Casing heat loss with burner on at nominal heat input % 1.01 3.92

Casing heat loss with burner off % 0.23 0.60

Chimney heat loss with burner on at nominal heat input % 5.89 5.98

Energy efficiency marking (92/42/EC) - ★★★ ★★

CH maximum working pressure bar 3.0 3.0

CH maximum working temperature °C 83 83

CH temperature range °C 35-78 35-78

Expansion vessel capacity l 7 7

Consumption at nominal heat output (CH) Methane m3/h 2.70 2.59

Consumption at nominal heat output (CH) Propane kg/h 1.98 1.90

Consumption at nominal heat output (CH) Butane kg/h 2.01 1.93

DHW maximum pressure bar 6.0 8.0

DHW minimum pressure bar 0.5 0.5

DHW nominal flow ∆T 30°C l/min 11.1 10.6

DHW minimum heat input l/min 3.0 3.0

DHW maximum working temperature °C 62 58

DHW temperature range °C 35-57 35-50

Air-flue ΔT at nominal heat input °C 98.0 83

Flue gas flow at nominal heat input g/s 14.18 16.72

CO2 at nominal heat input Methane % 6.8 5.7

CO2 at nominal heat input Propane % 7.7 7.3

CO2 at nominal heat input Butane % 8.0 6.7

Supply pressure Methane mbar 20 20

Supply pressure Propane mbar 37 37

Supply pressure Butane mbar 28-30 28-30

Power supply voltage/frequency V/Hz 230/50 230/50

Fuse on the power supply A 3.15 3.15

Power absorption W 98 73

Electric protection rating - IPX4D IPX4D

Gas fitting - G ½ G ½

CH fittings - G ¾ G ¾

DHW fittings - G ½ G ½

Coaxial air intake/flue gas duct diameter 100/60 -

Split air intake/flue gas duct diameter 80+80 -

Flue gas duct diameter mm - 130

LxHxD mm 400x700x250

Net weight kg 26.00 23.00

Gross weight kg 28.00 25.00

FONDITAL S.p.A.

25079 VOBARNO (Brescia) Italy

Via Cerreto, 40 - Tel. + 39 0365 878.31 www.fondital.com

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