Atag i28C Installation & Servicing Instructions

Installation & Servicing instructions ATAG iC-Range
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ATAG iC-Series
Boiler type i24C i28C i36C i40C iC
Economiser 27 Plus iC Economiser 35 Plus iC Economiser 39 Plus
Type heat exchanger iCon1 iCon1 iCon2 iCon2 iCon1 iCon2 iCon2
CE product identication number (PIN) 0063CQ3634
Country of destination UK
Qmin input min. CH & DHW (Hi) kW 4.5 4.5 6.2 6.2 4.5 6.2 6.2
Qn input nominal CH (Hi) kW 21.6 21.6 28.8 28.8 21.6 28.8 28.8
Qr adjusted input CH (Hi) kW 21.6 21.6 28.8 28.8 21.6 28.8 28.8
Qmin input min. CH & DHW (Hs) kW 5.0 5.0 6.9 6.9 5.0 6.9 6.9
Qn input nominal CH (Hs) kW 24.0 24.0 32.0 32.0 24.0 32.0 32.0
Qnw input nominal DHW (Hi) kW 24.0 27.3 35.4 37.9 28.3 36.3 37.9
Qnw input nominal DHW (Hs) kW 26.7 30.3 39.3 42.1 31.4 40.3 42.1
Pmin output min. CH (50/30°C) kW 5.0 5.0 6.9 6.9 5.0 6.9 6.9
Pn output nominal CH (50/30°C) kW 23.2 23.2 31.2 31.2 23.2 31.2 31.2
Pmin output min. CH (80/60°C) kW 4.4 4.4 6.1 6.1 4.4 6.1 6.1
Pn output nominal CH (80/60°C) kW 21.2 21.2 28.3 28.3 21.2 28.3 28.3
Pww output DHW kW 23.5 26.8 34.7 37.1 30.0 38.4 40.1
NOx class EN15502-1 6
O
2
(full load) % 4.7
CO
2
(full load) % 9.0
Appliance type B23, B33, C13, C33, C43, C53, C63, C83, C93
Flue gas temperature class T100
Max. ue resistance at Qnw/Qn Pa 130 153 191 143 151 140 148
Flue gas temperature CH (80/60°C full load) °C 59
Flue gas temperature CH (50/30°C full load) °C 34
Flue gas mass ow (full load DHW) g/s 10 11 14 15 11 14 15
Flue gas temperature CH (36/30°C low load) °C 30 30 30 30 30 30 30
Gas categories II2H3P
Gas pressure 2H / 3P mbar 20 / 37
Gas consumption max. G20 m3/hr 2.54 2.89 3.75 4.01 3.00 3.84 4.01
Current V/Hz ~ 230/50
Degree of protection acc. EN 60529 IPX4D (B22/B33 IPX0D)
Overrun time pump CH sec 60
Overrun time pump DHW sec 20
PMS water pressure CH min./max. bar 0.8 / 2.5
Flow temperature max. °C 80
Available pump height CH kPa 25 25 20 20 25 20 20
PMW water pressure DHW min./max. bar 0.5 / 8
DHW temperature setting (Tin=10°C) °C 60 60 60 60 60 60 60
Threshold DHW l/min 1.5 1.5 1.5 1.5 1.5 1.5 1.5
DHW ow (Tin=10°C, DT=35°C) l/min 10.1 11.5 14.9 16.2 12.6 16.1 17.0
DHW ow (Tin=10°C, DT=50°C) l/min 6.7 7.7 10.0 10.7 8.6 11.0 11.5
SAP Annual E󰀩ciency NG % 89.7 89.7 89.7 89.7 89.7 89.7 89.7
Weight boiler + jig (empty) kg 41 41 44 44 43 46 46
Content DHW part l 0.3 0.3 0.3 0.3 0.6 0.6 0.6
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ATAG iC-Series
Boiler type i24C i28C i36C i40C iC
Economiser 27 Plus iC Economiser 35 Plus iC Economiser 39 Plus
Type heat exchanger iCon1 iCon1 iCon2 iCon2 iCon1 iCon2 iCon2
O
2
(full load) % 5.1
CO
2
(full load) % 10.3
Restriction diameter/marking mm 4.10/41 4.10/41 4.60/46 4.60/46 4.10/41 4.60/46 4.60/46
Pre pressure mbar 37
Input CH (DHW) (Hi) kW 21.6 (23.9) 21.6 (27.3) 28.8 (35.4) 28.8 (37.9) 21.6 (28.4) 28.8 (36.4) 28.8 (38.3)
Gas consumption max. G31 kg/h 1.90 2.16 2.80 3.00 2.24 2.87 3.00
Gas consumption max. G31 m3/h 1.00 1.14 1.48 1.58 1.18 1.51 1.58
Modulation range CH (80/60°C) kW 8.3- 21.2 8.3- 21.2 19.1 - 28.3 19.1 - 28.3 8.3- 21.2 19.1 - 28.3 19.1 - 28.3
Modulation range CH (50/30°C) kW 9.0 - 23.2 9.0 - 23.2 20.8 - 31.2 20.8 - 31.2 9.0 - 23.2 20.8 - 31.2 20.8 - 31.2

Atag i28C Specifications

General

Brand	Atag
Model	i28C
Category	Boiler
Language	English