High Altitude Ratings And Capacity; High Altitude Chart - Baxi LUNA DUO-TEC 60 GA Installation Instructions For The Installer

12.2 High Altitude Ratings and Capacity

For elevations between 2000 ft (600 m) and 10,000 ft (3048 m), use the following information:
Model
Altitude
Number
1.48 GA
2,000-4,500 ft
(600 m -1350 m)
60 GA
1.48 GA
4,501-6,500 ft
(1372 m -1981 m)
60 GA
1.48 GA
6,501-10,000 ft
(1982 m - 3048 m)
60 GA
Max DHW temp 140° F (60° C)
*

12.4 High Altitude Chart

Model
Parameter
1.48 GA
P71
High Fire
60 GA
Fan Speed
Parameter
1.48 GA
P72
Low Fire
60 GA
Fan Speed
Input, MBH
Maximum Minimum
147 26.5
147 26.5
135 24.1
135 24.1
113 20.3
113 20.3
GAS Natural
0-2,000 ft.
[0-610 m]
Setting
RPM
Setting
RPM
Setting 43
RPM 1180
Setting 40
RPM 1150
CO Limit < 200 ppm
Heating
Capacity, AFUE, % Max Input,
MBH * MBH
137 95.0
137 95.0
184.5
126 95.0
126 95.0
168
105 95.0
105 95.0
141
**
Altitude
2,000- 10,000 ft 0-2,000 ft.
[610-3,048 m] [0-610 m]
105
6050
225
7250
60
1350
60
1350
57
240012485 REV C [06/30/2019]
Domestic Hot Water (DHW) Circuit **
Min Input, Max Output,
MBH MBH
26.5 157
24.1 143
20.3 120
60 GA Max DHW flow rate 5.0 GPM (18.9L/min)
LP
2,000- 10,000 ft
[610-3,048 m]
120
6200
220
7200
45 60
1200 1350
45 60
1200 1350
Min Output,
MBH
23
20
17