49
R2KA 34 /20 - 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
N a t u r a l
Gas
Hz
43
182
43
182
Propane
Hz
43
174
43
174
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.
(btu/h)
Natural Gas
Propane
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
35
50
65
80
95
110
125
140
155
170
185
(kW)
13648
20472
27297
34121
40945
47769
54594
61418
68242
75067
81891
88715
95539
10236
10918
11601
(Hz)
FIRST START-UP
fig. 31