Owner Manual
507330-02C mrcool.com Page 27 of 35
Proper Combustion
Capacity CO
2
% for Nat CO
2
% for LP
-070
-090
-110
-135
Table 11.
High Altitude
Pressure Switch
Fan Control
Figure 35. Heat Fan Off Time in Seconds
Capacity
Pressure
1
Natural
Propane
Propane
to Natural
Pressure
1
Natural
Propane
Propane
to Natural
Pressure
1
Natural
Propane
2
73W80
2
80W52
2
73W80
2
80W51
51W01
2
070
80W52 80W51
090
80W52 80W51
110
80W57 80W52
135
80W52 80W51
1
2
Table 12.