Potterton Assure System Series - Page 14

3 Technical specifications
14
Tab.7 Characteristics of combustion
15
18
Natural gas rate (G20) Qmax
m
3
/h
1.64
1.96
Natural gas rate (G20) Qmin
m
3
/h
0.49
0.49
Important
Dynamic (nominal) inlet pressure (Natural gas — G20) 20mbar
with a CV of 37.78 MJ/m
3
Tab.8 Electrical specifications
All models
Nominal electrical power supply voltage V 230
Nominal electrical power supply frequency Hz 50
Nominal power consumption when firing W
60 (12 & 15) - 70 (18) - 100 (24)
External fuse rating Amp 3
Internal fuse rating Amp F2A H250V
Important
Boiler must be connected to an earth supply.
Tab.9 Other specifications
Degree of protection against humidity (EN 60529) IP IPX5D
Dimensions (height / width / depth) mm H 700/W 390/D 285
Tab.10 Connections (copper tails)
Gas inlet mm 22
Heating flow mm 22
Heating return mm 22
Pressure relief discharge mm 15
Condensate discharge drain plastic waste pipe mm 21.5
Tab.11 Clearances
Above casing mm 178
Below casing (min) mm 200
Front — for servicing mm 450
Front — for operation mm 5
Sides LH mm 5
Sides RH mm 5
Tab.12 Weights
Packaged boiler kg 31.2
Boiler lift weight (dry) kg 28.1
Installed weight (dry) kg 29.0
Installed weight when filled with water kg 31.6
Potterton Assure System
Potterton Assure System
Potterton Assure System
Potterton Assure System
Potterton Assure System
Potterton Assure System
12
24
0.49
1.31
0.49
2.61
All models
All models
All models
All models