Service And Maintenance Procedures - International comfort products A Series Installation Instructions Manual
Single-stage, 35-in. tall high efficiency, condensing, ultra low nox gas furnace
Hide thumbs
Also See for A Series:
- Installation instructions manual (85 pages) ,
- Installation, start-up, operating and service and maintenance instructions (40 pages) ,
- Installation instructions manual (62 pages)
Table of Contents
Advertisement
Table 23 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude - - 80,000
(Tabulated Data Based on 80,000 BTUH Input for 0-ft (0m) to
5400-ft (1646 M) above sea level)
AVG. GAS
SPECIFIC GRAVITY OF NATURAL GAS
ALTI-
HEAT
TUDE
VALUE AT
0.58
0.60
RANGE
ALTITUDE
ft (m)
(Btu/cu ft)
900
2.7
2.8
0
925
2.6
2.7
(0)
950
2.4
2.5
975
2.3
2.4
to
1000
2.2
2.3
1025
2.1
2.2
2000
1050
2.0
2.1
(610)
1075
1.9
2.0
1100
1.8
1.9
800
2.9
3.0
2001
825
2.8
2.9
(611)
850
2.6
2.7
875
2.5
2.5
to
900
2.3
2.4
925
2.2
2.3
3000
950
2.1
2.2
(914)
975
2.0
2.0
1000
1.9
1.9
775
2.9
3.0
800
2.7
2.8
3001
825
2.6
2.6
(915)
850
2.4
2.5
to
875
2.3
2.4
900
2.1
2.2
4000
925
2.0
2.1
(1219)
950
1.9
2.0
975
1.8
1.9
1000
1.8
1.8
750
2.9
3.0
775
2.7
2.8
4001
800
2.5
2.6
(1220)
825
2.4
2.4
850
2.2
2.3
to
875
2.1
2.2
900
2.0
2.0
5000
925
1.9
1.9
(1524)
950
1.8
1.8
975
1.8
1.8
1000
1.8
1.8
725
2.9
3.0
750
2.7
2.8
5001
775
2.5
2.6
(1525)
800
2.4
2.4
825
2.2
2.3
to
850
2.1
2.2
875
2.0
2.0
900
1.9
1.9
5400
925
1.8
1.8
(1646)
950
1.8
1.8
975
1.8
1.8
1000
1.8
1.8
440 01 4601 01
0.62
0.64
0.66
0.68
Manifold Pressure
2.9
3.0
3.1
3.1
2.8
2.8
2.9
3.0
2.6
2.7
2.8
2.9
2.5
2.6
2.6
2.7
2.4
2.4
2.5
2.6
2.2
2.3
2.4
2.5
2.1
2.2
2.3
2.3
2.0
2.1
2.2
2.2
1.9
2.0
2.1
2.1
3.1
3.1
3.1
3.1
3.0
3.1
3.1
3.1
2.8
2.9
3.0
3.1
2.6
2.7
2.8
2.9
2.5
2.6
2.6
2.7
2.4
2.4
2.5
2.6
2.2
2.3
2.4
2.4
2.1
2.2
2.3
2.3
2.0
2.1
2.1
2.2
3.1
3.1
3.1
3.1
2.9
3.0
3.1
3.1
2.7
2.8
2.9
3.0
2.6
2.7
2.7
2.8
2.4
2.5
2.6
2.7
2.3
2.4
2.4
2.5
2.2
2.2
2.3
2.4
2.1
2.1
2.2
2.3
2.0
2.0
2.1
2.1
1.9
1.9
2.0
2.0
3.0
3.1
3.1
3.1
2.9
2.9
3.0
3.1
2.7
2.8
2.9
2.9
2.5
2.6
2.7
2.8
2.4
2.5
2.5
2.6
2.2
2.3
2.4
2.5
2.1
2.2
2.3
2.3
2.0
2.1
2.1
2.2
1.9
2.0
2.0
2.1
1.8
1.9
1.9
2.0
1.8
1.8
1.8
1.9
3.1
3.1
3.1
3.1
2.9
3.0
3.0
3.1
2.7
2.8
2.9
2.9
2.5
2.6
2.7
2.8
2.4
2.4
2.5
2.6
2.2
2.3
2.4
2.4
2.1
2.2
2.2
2.3
2.0
2.0
2.1
2.2
1.9
1.9
2.0
2.1
1.8
1.8
1.9
2.0
1.8
1.8
1.8
1.9
1.8
1.8
1.8
1.8
Specifications subject to change without notice.
Table 24 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude - - 100,000
(Tabulated Data Based on 100,000 BTUH Input for 0-ft (0m) to
5400-ft (1646 M) above sea level)
AVG. GAS
SPECIFIC GRAVITY OF NATURAL GAS
ALTI-
HEAT
TUDE
VALUE AT
0.58
0.60
RANGE
ALTITUDE
ft (m)
(Btu/cu ft)
900
2.7
0
925
2.6
(0)
950
2.4
975
2.3
to
1000
2.2
1025
2.1
2000
1050
2.0
(610)
1075
1.9
1100
1.8
800
2.9
2001
825
2.8
(611)
850
2.6
875
2.5
to
900
2.3
925
2.2
3000
950
2.1
(914)
975
2.0
1000
1.9
775
2.9
800
2.7
3001
825
2.6
(915)
850
2.4
to
875
2.3
900
2.1
4000
925
2.0
(1219)
950
1.9
975
1.8
1000
1.8
750
2.8
775
2.7
4001
800
2.5
(1220)
825
2.4
850
2.2
to
875
2.1
900
2.0
5000
925
1.9
(1524)
950
1.8
975
1.8
1000
1.8
725
2.8
750
2.7
5001
775
2.5
(1525)
800
2.3
825
2.2
to
850
2.1
875
2.0
900
1.8
5400
925
1.8
(1646)
950
1.8
975
1.8
1000
1.8
SERVICE AND MAINTENANCE
PROCEDURES
Untrained personnel can perform basic maintenance functions such
as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. A qualified service person
should inspect the furnace once a year.
0.62
0.64
0.66
Manifold Pressure
2.8
2.9
3.0
3.1
2.7
2.7
2.8
2.9
2.5
2.6
2.7
2.8
2.4
2.5
2.6
2.6
2.3
2.4
2.4
2.5
2.2
2.2
2.3
2.4
2.1
2.1
2.2
2.3
2.0
2.0
2.1
2.2
1.9
1.9
2.0
2.1
3.0
3.1
3.1
3.1
2.9
3.0
3.0
3.1
2.7
2.8
2.9
3.0
2.5
2.6
2.7
2.8
2.4
2.5
2.6
2.6
2.3
2.3
2.4
2.5
2.2
2.2
2.3
2.4
2.0
2.1
2.2
2.3
1.9
2.0
2.1
2.1
3.0
3.1
3.1
3.1
2.8
2.9
3.0
3.1
2.6
2.7
2.8
2.9
2.5
2.6
2.7
2.7
2.3
2.4
2.5
2.6
2.2
2.3
2.4
2.4
2.1
2.2
2.2
2.3
2.0
2.1
2.1
2.2
1.9
2.0
2.0
2.1
1.8
1.9
1.9
2.0
2.9
3.0
3.1
3.1
2.8
2.9
2.9
3.0
2.6
2.7
2.8
2.8
2.4
2.5
2.6
2.7
2.3
2.4
2.4
2.5
2.2
2.2
2.3
2.4
2.0
2.1
2.2
2.3
1.9
2.0
2.1
2.1
1.8
1.9
2.0
2.0
1.8
1.8
1.9
1.9
1.8
1.8
1.8
1.8
2.9
3.0
3.1
3.1
2.8
2.8
2.9
3.0
2.6
2.7
2.7
2.8
2.4
2.5
2.6
2.7
2.3
2.3
2.4
2.5
2.1
2.2
2.3
2.4
2.0
2.1
2.2
2.2
1.9
2.0
2.0
2.1
1.8
1.9
1.9
2.0
1.8
1.8
1.8
1.9
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
0.68
3.1
3.0
2.9
2.7
2.6
2.5
2.3
2.2
2.1
3.1
3.1
3.1
2.9
2.7
2.6
2.4
2.3
2.2
3.1
3.1
3.0
2.8
2.7
2.5
2.4
2.3
2.1
2.0
3.1
3.1
2.9
2.8
2.6
2.5
2.3
2.2
2.1
2.0
1.9
3.1
3.1
2.9
2.7
2.6
2.4
2.3
2.2
2.0
1.9
1.8
1.8
51
Hide quick links:
Advertisement
Table of Contents
