Potterton Isis HE Installation, Operation & Maintenance Manual page 4

SECTION 1
PAGE 2
Table 3 – Technical Data
Number of Sections
CE Number
Output
Input (Gross) GAS
OIL
Input (Net) GAS
OIL
Fuel GAS m
1
Consumption OIL
Maximum Design
Pressure
Minimum Operating
2
Pressure
Nominal Flue
3
Connection Size
4 Flue Gas Volume
Flue Draught Requirements
High Level Natural
5
Ventilation to BS 6644
Low Ventilation Natural
5
Ventilation to BS 6644
Mechanical Inlet to
6
BS 6644
Water Connection Size
7
(See Fig.3 & 4)
Water Flow
8
at 11°C ∆ t
Minimum Water Flow
8
o
C ∆ t
at 11
Hydraulic Resistance
8
at 11°C ∆ t
Cold Feet Size to BS
9
6644 Minimum Bore
Open Vent Size to BS
9
6644 Minimum Bore
Safety Valve Size to BS
6644 Nominal Size
Maximum
2
Flow Temperature
Minimum Return
10
Temperature
11 Dry Weight
Water Content
Power Requirements
For metric to imperial conversions refer to chart inside back cover
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION & MAINTENANCE MANUAL
6 7
kW 440 516
kW 536 629
kW 514 603
kW 483 567
kW 482 566
3
/hr 50 58.7
lit/hr 47.6 55.9
Bar
Bar
250mm DIAMETER
3
m /hr 656 770
1342 1550
2
cm
2684 3101
2
cm
0.482 0.566
3
m /sec
3''
BSP
9.5 11
lit/sec
5.2 6.1
lit/sec
2.8 4
kPa
38
mm
50
mm
32 40
mm
°C
°C
kg 1460 1655
kg 285 330
8 9 10
BG/EC87/97/127
586 670 762
714 817 929
685 783 891
643 736 837
642 734 836
66.7 76.2 86.6
63.5 72.6 82.6
6 BAR ALL MODELS
0.5 BAR ALL MODELS
874 999 1135
0 – 4 mm ALL MODELS
1742 1973 2225
3485 3946 4451
0.644 0.735 0.836
12.6 14.5 16.5
6.9 8.0 9.1
5 6.5 8.2
65
50
90°C ALL MODELS
55°C ALL MODELS
1850 2035 2230
375 420 465
415V ALL MODELS
11 12 13
840 925 1000
1024 1128 1219
982 1082 1169
922 1016 1098
921 1015 1096
95.5 105.2 113.7
91 100.3 108.3
350mm DIAMETER
1252 1379 1491
2439 2673 2878
4851 5346 5757
0.922 1.02 1.097
4''
18.2 20.1 21.7
10 11 11.9
11 13 14.5
50
65
2425 2620 2870
510 555 600
ISIS HE
14 15
1070 1172
1305 1429
1251 1370
1175 1287
1173 1285
118.8 133.3
115.9 127
1597 1748
3070 3350
6141 6700
1.175 1.286
23.2 25.4
12.8 14
15 21
80
80
3065 3265
645 690