Verona WALL HUNG GAS BOILER - Manual (Page 10)

2.Technical Information Cont.
ENERGY CAPACITY
Nominal heat input
(0/2000ft)
MBH 122.8
Nominal heat input
(2000/4500ft)
MBH 116.7
Minimum heat input MBH 49.5
Maximum useful output
(0/2000ft)
MBH 100.7
Maximum useful output
(2000/4500ft)
MBH 95.9
Minimum useful output MBH 37.0
GAS SUPPLY PRESSURE
Gas Normal Min Max
Natural inwc 7.0 3.5 10.5
Propane
inwc 11.0 8.0 12.0
GAS PRESSURE AT BURNER
Gas Min Max Ignition
Natural inwc 0.8 5.3 2.4
Propane inwc 1.4
9.0 5.2
FLUE DESIGN
Minimum Venturi pressure inwc 0.64
Flue pipe diameter
Coaxial in
2.25/4
3.25/5
Twin split pipes in 3.25/3.25
Nominal heat flow rate
(0/2000ft)
MBH 122.8
Nominal heat flow rate
(2000/4500ft)
MBH 116.7
Min Exhaust temperature °F 262
Max Exhaust temperature °F 324
INJECTORS No. Size
Natural 14 130
Propane 14 89
GAS FLOW RATE
Gas Min Max
Natural ft³/h 48.7 121.1
Propane lb/h 2.23 5.55
ELECTRICAL
Voltage V 120
Frequency Hz 60
Current A < 1.6
Power consumption W 176
FLUE GAS FIGURES
Gas Min Max
CO 2 2.5% 7.2%
O 2 16.5% 8.1%
RIVA HEAT ONLY MANUAL - REV A 10