49
R2K 24 - RAD - ING - Inst.Manual - 2002.1_CSA
2. FIRST START-UP
SUPPOR
T CENTER
2.1.6. COMBUSTION BLOWER FREQUENCY/HEAT CAPACITY DIAGRAM
GAS TYPE
MINIMUM
HEATING
FREQUENCY
MAXIMUM
HEATING
FREQUENCY
MINIMUM
FREQUENCY IN
DOMESTIC HOT
WATER LINE
MAXIMUM
FREQUENCY IN
DOMESTIC HOT
WATER LINE
Natural
Gas
Hz
45
172
45
186
Propane
Hz
45
172
45
186
Note: The frequency would change based on vent length. See section ‘1.1.21 TABLE 1: ALLOWABLE
VENT LENGTHS’ for change on frequency with feference to vent lengths.
2
4
6
8
10
12
14
16
18
20
22
24
26
35
50
65
80
95
110
125
140
155
170
185
(kW)
(Hz)
(btu/h)
6824
13648
20472
27297
34121
40945
47769
54594
61418
68242
75067
81891
88715
Natural Gas
Propane
FIRST START-UP
fig. 32