QHT Riva Installation, Operation And Service Instructions - page 10
RIVA HEAT ONLY MANUAL - REV B
10
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
ft
³/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%
2.Technical Information Cont.