Certikin MB50S - Technical Data; General Specifications; Performance Specifications

PERFORMANCE SPECIFICATIONS
GAS CATEGORY, TYPE AND SUPPLY PRESSURE II
2H3P
G20 @ 20 mbar
G31 @ 37 mbar
NATURAL GAS PROPANE
MODEL MB20S MB35S MB50S MB20S MB35S MB50S
Corgi Work Code TBA 1036909 1036910 TBA 1036913 1036914
HEAT GROSS kW 21.5 38.0 51.5 23.1 38.0 51.5
INPUT Btu/h 73,305 129,650 179,100 78,941 129,650 179,100
NET kW 19.5 34.2 46.4 21.3 35.0 47.5
Btu/h 66,392 116,700 158,300 72,842 119,400 162,000
TYPICAL EFFICIENCY % gross 92 - 94 92 - 94 92 - 94 92 - 94 92 - 94 92 - 94
% net 102 - 104 102 - 104 102 - 104 102 - 104 102 - 104 102 - 104
HEAT kW 20.0 36.9 50.0 21.5 36.9 50.0
OUTPUT Btu/h 68,175 121,870 165,170 73,415 121,870 165,170
GAS RATE (NG, Propane) m3/h 1.98 3.45 4.64 0.87 1.43 1.9
MAXIMUM RATE, CO ppm 20 - 60 120-150 80-120 35 - 70 130-160 100-130
COMBUSTION SETTINGS, NG, CO2 % 8.7 - 8.8 8.9 - 9.1 8.9 - 9.1 9.9 - 10.1 9.5 - 10.5 9.5 - 10.0
OFFSET SETTING pA -3.0 -3.0 -3.0 -3.0 -3.0 -3.0
ORIFICE mm Not required 4.4 4.4 5.2
GENERAL SPECIFICATIONS
WATER CONTENT MB20S & MB35S/MB50S 3.0 Litres / 4.0 Litres
WEIGHT (net) MB20S & MB35S/MB50S 53 kg / 55kg
DIMENSIONS, OVERALL 375 mm wide, 520 mm deep, 980 mm high
SERVICE CLEARANCE 300mm Left, Right and Above. 800 mm Infront
CORE DRILL DIAMETER 175 mm
MINIMUM FLOW RATE 80 l/m (17.8 gpm)
MAX PRIMARY WATER PRESSURE 2½ bar (37 psi)
INTERNAL PUMP SETTING Speed 3
MAXIMUM POOL TEMP Pool 32°C (90°F) Spa 41°C (106°F)
ELECTRICAL SUPPLY 230V 50Hz, FUSED AT 5A, 130W
PROTECTION LEVEL IP44
FLUE SYSTEM 80/125 PP, to a max. Flue Equivalent Length of 20m
TECHNICAL DATA
GB, IE