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C90
Dimensions
Cabinet Height |
825mm |
Cabinet Width |
1000mm |
Cabinet Depth |
337mm |
High output and performance from a hassle-free, one-unit solution.
Compact yet powerful, the Keston C90 delivers up to a 90kW output in a unit only 337mm deep and 1,000mm long.
Combining high-efficiency single pass stainless steel heat exchangers with ultra-low emission burners, the C90 provides a complete no nonsense single unit solution ideal for commercial settings.
Made from the highest quality stainless steel, the heat exchangers are corrugated to provide a massive surface area within a compact space, whilst maximising efficiency and preventing corrosion.
Complete peace of mind and total performance can be achieved thanks to this powerful, compact and efficient solution, making the unit an ideal choice for new-build and replacement installations alike.
- High efficiency
- Extremely compact for the output
- Simple and easy to use
- Fast response
- Easy to install
- Automatic pump exercise
- Weather compensation included – just add optional sensor
- Two-stage frost protection for added peace of mind
- Flexible siting
- Automatic speed controlled pumps for increased efficiency
- Two year parts and labour warranty
Performance Data |
Unit |
NG |
|
Max. CH input (Gross CV) |
kW |
91.2 |
|
Max. DHW input (Gross CV) |
kW |
N/A |
|
Max. DHW output to water |
kW |
N/A |
|
Max. DHW output to water (80/60ºC flow/return) |
kW |
40.3 |
|
Max. output to water (50/30ºC flow/return) |
kW |
89.8 |
|
Min. output to water (80/60 flow/return) |
kW |
22.8 |
|
Max. domestic water flow rate (at 35ºC rise) |
l/min |
N/A |
|
Specific DHW rate (EN625 30ºC rise) |
l/min |
N/A |
|
Max. domestic hot water flow temp ºC N/A |
deg C |
N/A |
|
Max. Gas Cons. After 10 mins |
l/s |
2.414 |
|
Ft3/hr |
307 |
|
|
Ft3/hr |
8.69 |
|
|
Max. operating flow temp |
deg C |
82 |
Installation Data |
Unit |
NG |
|
Max. Press (sealed system) |
bar |
2.7 |
|
Inlet Gas Pressure |
mbar/(in w.g) |
20.0 |
|
Electrical supply |
230V 50Hz |
|
|
Power consumption (max) |
W |
520 |
|
Power consumption (standby) |
W |
16 |
|
Optimum flue gas CO2 level (at max CH rate, case on) |
% |
8.6 |
|
Safety valve |
bar/(ibf/sq in) |
N/A |
|
Expansion vessel capacity |
litre |
N/A |
|
Expansion vessel charge pressure |
bar/(ibf/sq in) |
N/A |
|
DHW Max. Working Pressure |
bar/(ibf/sq in) |
N/A |
|
CE PI Number |
87BN14 |
|
Physical Data |
C90 |
|
|
Weight – full |
kg |
143 |
|
Weight – empty |
kg |
125 |
|
Flow and return connection |
Rp 1”F |
|
|
DHW and CWS connection |
N/A |
|
|
Gas connection |
Rp 1”F |
|
|
Condensate connection |
22mm plastic |
|
|
Flue/Air Intake Pipe Size (Nominal Bore) |
100mm |
|
|
IP rating |
IP20 (IPX0) |
|
Flue and air intake material: 100mm PVC |
||
|
Max. Flue outlet length |
m |
30 |
|
Max. Total flue outlet and air intake |
m |
30 |
Flue and air intake material: 100mm Keston composite flue |
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|
Max. Flue outlet length |
m |
30 |
|
Max. Total flue outlet and air intake length |
m |
60 |