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Special adjustment for measuring and adjusting CO2 levels
D. Returning to Service:
1. Return slotted cover to original position.
2. Reinstall Torx cover.
3. Remove CO
analyzer probe and reinstall plug in
2
exhaust collar.
4. Turn ON/OFF switch to the OFF (O) position and
then back to the ON (I) position.
5. Heater is ready for normal operation.
Without Front
Nat. Gas
9.1 ± 0.1 %
max. input
P1
9.4 ± 0.1 %
min. input
P2
10.1 ± 0.1 %
max. input
P1
10.4 ± 0.1 %
min. input
P2
* Final reading must be confirmed with the front cover
on, CO
levels increase when the cover is installed.
2
Table 7
Final Readings
P2 CO
Reading:
2
P1 CO
Reading:
2
Fig. 37
28
With Front
Cover
Cover
Nat. Gas
9.7 ± 0.1 %
9.7 ± 0.1 %
LP Gas
LP Gas
10.7 ± 0.1 %
10.7 ± 0.1 %
% CO
2
% CO
2
Fig. 38
6 720 607 440
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