Potterton EC three 125, Installation, Operation And Maintenance Manual, Page: 11 / 148

Tab. 1: Dimensions
Model Description EC three
125
EC three
170
EC three
215
EC three
260
EC three
300
Dimension A Gas Connection R 1" R 1½" R 1½" R 1½" R 1½"
Dimension B Safety Group Connection R 1" R 1" R 1¼" R 1¼" R 1¼"
Dimension C Flue 160 mm 160 mm 200 mm 200 mm 200 mm
Dimension D Depth 1008 mm 1008 mm 1171 mm 1264 mm 1357 mm
Dimension E Centre of Return 301 mm 301 mm 351 mm 351 mm 351 mm
Dimension F Centre of Flow 401 mm 401 mm 514 mm 607 mm 700 mm
Dimension G Centre of Flue 134 mm 134 mm 163 mm 163 mm 163 mm
Dimension H Centre of Safety 14 mm 14 mm 14 mm 14 mm 14 mm
Dimension I Centre of Gas 687 mm 687 mm 851 mm 944 mm 1037 mm
Dimension K Centre of Flue (optional) 530 mm 530 mm 530 mm 630 mm 630 mm
Dimension L Depth of Flue (optional) 30 mm 30 mm 90 mm 50 mm 90 mm
Dimension M Distance to Flue (optional) 139 mm 139 mm 50 mm 302 mm 50 mm
Dimension N Centre of Supply (optional) 450 mm 450 mm 202 mm 202 mm 202 mm
Dimension O Centre of Supply (optional) 150 mm 150 mm 167 mm 167 mm 167 mm
3.2 Technical Data
Tab. 2: Technical Data
Model EC three
125
EC three
170
EC three
215
EC three
260
EC three
300
Product-ID-No. CE-0085 CL 0072
Nominal heat input range
Natural gas heating
kW 20.0-125.0 28.0-170.0 35.0-215.0 42.0-260.0 48.0-300.0
LPG heating
kW 35.0-125.0 35.0-170.0 48.0-215.0 58.0-260.0 58.0-300.0
Nominal heat output range
Natural gas 80/60°C kW 19.2-121.6 26.8-165.8 33.5-210.1 40.2-254.5 45.9-294.0
50/30°C kW 21.3-133.1 29.8-181.3 37.4-229.6 44.9-278.1 51.4-321.3
LPG 80/60°C kW 33.5-121.6 33.5-165.8 46.0-210.1 55.5-254.5 55.5-294.0
50/30°C kW 37.2-133.1 37.3-181.3 51.2-229.6 62.0-278.1 62.1-321.3
Gross efficiency 100% load 80/60°C % Gross 87.74 87.94 88.13 88.28 88.37
50/30°C % Gross 96.03 96.17 96.31 96.45 96.57
Gross efficiency 30% load 40/30°C % Gross 96.57 96.70 96.82 96.93 97.05
Data for design of the chimney to DIN EN 13384 (room air-depending operation)
Exhaust gas temperature 80/60°C °C 57-61 57-61 57-61 57-61 57-61
50/30°C °C 30-37 30-37 30-37 30-38 30-38
Exhaust gas mass flow
Natural gas 80/60°C
m
3
/hr 24.5-152.9 34.3-208.0 42.8-263.1 51.4-318.1 58.7-367.1
50/30°C
m
3
/hr 22.5-142.0 31.5-193.0 39.3-243.9 47.1-294.7 53.9-339.7
LPG 80/60°C
m
3
/hr 40.6-145.1 40.6-197.4 55.7-249.6 67.3-301.8 67.3-348.3
50/30°C
m
3
/hr 38.6-134.2 37.8-182.3 52.2-230.4 63.1-278.4 62.5-320.9
Technical Data
7308536-02 06.13 Condensing gas boiler Eurocondense three125-300 kW 11