Gas Wall Hung Combination Boiler
Item No.: | SD24-A3 |

Features & Benifits
* 18 protective functions ensure maximum reliability
* Floor heating mode with 60℃ temp limit protection
* Energy saving and comfortable mode available to cater for different needs.
* Magnetic filtering devices ensure normal operation in bad quality area.
Technical Data
Model | SD24-A3 | Unit |
Fuel | NG/LPG/Town Gas |
|
C.H. system | ||
Nominal heat input | 26.3 | KW |
Norminal heat output | 23.7 | KW |
Heat efficiency | 90.1 | % |
Heating system pressure | 0.05~0.3/0.5~3 | Mpa/bar |
Max.heating temperature | 90 | ºC |
Adjustable C.H. flow temperature range(± 3ºC) | 40~85(floor heating 35~60) | ºC |
Norminal electric power | 125 | W |
Protection Class | IPX4D |
|
Expansion Vessel Volume | 8 | L |
Expansion Vessel Pre-charge Pressure | 0.1/1 | Mpa/bar |
Heating area( for reference only) | 80~200 | sq.M |
Power supply | ~220V/50Hz |
|
Weight(boiler only) | 40 | kg |
Dimension(L*H*W) | 827*403*342 | mm |
DHW system | ||
Max working pressure | 0.6/6 | Mpa/Bar |
Min working pressure | 0.03/0.3 | Mpa/Bar |
DHW flow @△T=25K | 13.6 | kg/min |
Adjustable DHW flow temperature range | 35~60 | ºC |
Min DHW flow rate | 2.5 | kg/min |
Limited flow | 10 | kg/min |
Rated Fuel Gas Pressure | ||
NG rated pressure | 2000 | Pa |
LPG rated pressure | 2800 | Pa |
Connection | ||
CH water outlet | 3/4" |
|
DHW inlet | 3/4" |
|
DHW outlet | 1/2" |
|
Cold water inlet | 1/2" |
|
Gas inlet | 3/4" |
|
Pump capacity | 5 | m |