Installation manual

RIVA PLUS MANUAL 9
2. Technical Information Cont.
ENERGY CAPACITY
Nominal heat input
(0/2000ft)
MBH 116.0
Nominal heat input
(2000/4500ft)
MBH 110.2
Minimum heat input MBH 49.5
Maximum useful output
(0/2000ft)
MBH 102.0
Maximum useful output
(2000/4500ft)
MBH 97.2
Minimum useful output MBH 41.6
GAS SUPPLY PRESSURE
Gas Normal Min Max
Natural inwc 7.0 3.5 10.5
Propane inwc 11.0 8.0 13.0
GAS PRESSURE AT BURNER
Gas Min Max Ignition
Natural inwc 1.0 4.8 2.4
Propane inwc 2.0 10.3 5.1
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 fl ow rate
(0/2000ft)
MBH 116.0
Nominal heat fl ow rate
(2000/4500ft)
MBH 110.2
Min Exhaust temperature °F 140
Max Exhaust temperature °F 180
INJECTORS No. Size
Natural 14 130
Propane 14 85
GAS FLOW RATE
Gas Min Max
Natural ft³/h 48.7 115.1
Propane lb/h 2.23 5.25
ELECTRICAL
Voltage V 120
Frequency Hz 60
Current A 1.6
Power consumption W 180
FLUE GAS FIGURES
Gas Min Max
CO2
2.5% 6.3%
O2
16.5% 9.7%
CLEARANCE TO COMBUSTIBLES
Front in 18
Back
in 0
Top
in 8
Sides in 2
Bottom in 8
Flue pipe enclosed in 2
Flue pipe free air in 0
Hot water pipes in 1”