Pentair ETi 400 Installation Manual page 10

10
Propane Conversion Kit Installation Instructions (Continued)
10. BEFORE PROCEEDING DOUBLE CHECK THE INSTALLATION AGAIN
AND BE SURE THE SPARK IGNITER SCREWS ARE HAND TIGHT, SPARK
CABLES ON IGNITERS ARE SEATED PROPERLY, GAS ORIFICE UNIONS
ARE TIGHT, AND AIR ORIFICES ARE SEATED PROPERLY
11. SWITCH BACK TO THE ON POSITION FOR THE GAS VALVE TOGGLE
SWITCH.
12. TURN ON THE GAS SUPPLY VALVE TO THE HEATER.
13. TURN THE HEATER ON AT THE CONTROL PANEL AND BE SURE IT
OPERATES PROPERLY.
14. Turn on heater. Observe it for smooth ignition and regular combustion without
undue noise or pulsation.
15. Run heater for at least 10 minutes. After at least 10 minutes of continuous
operation, insert a combustion analyser probe into the exhaust and measure
CO2 . The recommended CO2 range for Propane combustion is listed below.
Table 3. Flue Gas CO2 Range
Fuel
Propane
Continue on next page.
ETi 400 Heater Fuel Gas Conversion Kit Installation Guide
Recommended CO2
(Dry Basis)
9.6% – 10.2%