www.DaikinApplied.com 151 IM 1287-6 • REBEL APPLIED ROOFTOP
Table 39: Furnace Gas Pressure Itemization (Natural Gas)
Natural Gas
Modulation 2-Stage 4-Stage 5:1 Modulation 10:1 Modulation 20:1 Modulation
Heat Input
Capacity:
MBH (kW)
200
(59)
400
(120)
600
(180)
600
(180)
200
(59)
400
(120)
600
(180)
400
(120)
600
(180)
600
(180)
800
(230)
1125
(330)
1500
(440)
600
(180)
800
(230)
1125
(330)
1500
(440)
Figure
(see page
150)
1 1 2 3 4 4 5 5 5 6 7 9 10 8 8 9 10
Part
Number(s)
404229301
404229201
404229107,
404229115
404229101,
404229109
404229302
404229202
404229102,
404229110
404229203
404229103,
404229111
404322004
404229001
404228901
404239001,
404238901
404322006
404229002
404228902
404239002,
404238901
P-I:
in. w.c. (kPa)
5
(1.2)
P-M:
in.
w.c.
(kPa)
High - - - -
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.9
(0.97)
3.5
(0.87)
3.8
(0.95)
3.5
(0.87)
3.9
(0.97)
3.5
(0.87)
3.8
(0.95)
Low - - - -
0.19
(0.047)
0.18
(0.045)
0.56
(0.14)
0.16
(0.04)
0.15
(0.037)
0.2
(0.05)
0.24
(0.06)
0.56
(0.14)
0.67
(0.17)
0.2
(0.05)
0.21
(0.052)
0.2
(0.05)
0.2
(0.05)
P-S1:
in.
w.c.
(kPa)
High
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
- -
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.2
(0.8)
3.2
(0.8)
3.5
(0.87)
3.2
(0.8)
3.5
(0.87)
3.9
(0.97)
3.5
(0.87)
3.2
(0.8)
Low
1.1
(0.27)
1.1
(0.27)
-
1.1
(0.27)
- - - - - - - - - - - - -
P-S2:
in.
w.c.
(kPa)
High - -
3.5
(0.87)
3.5
(0.87)
- - - - - - -
3.2
(0.8)
3.8
(0.95)
3.2
(0.8)
3.2
(0.8)
3.2
(0.8)
3.8
(0.95)
Low - - -
1.1
(0.27)
- - - - - - - - - - - - -
P-S3:
in.
w.c.
(kPa)
High - - - - - - - - - - -
3.2
(0.8)
3.2
(0.8)
- -
3.2
(0.8)
3.2
(0.8)
Low - - - - - - - - - - - - - - - - -
P-S4:
in.
w.c.
(kPa)
High - - - - - - - - - - - - - - - - -
Low - - - - - - - - - - - - - - - - -
P-V:
in.
w.c.
(kPa)
Min
4.5
(1.12)
Max
4.0
(1.00)
NOTE: All pressures are set at the factory based on standard inlet pressure and should not need to be adjusted for normal
installation. Adjust pressures only if other troubleshooting options have been exhausted.
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