LAARS EDN Series - Installation, Operation and Maintenance Instructions - Manual (Page 19)

Endurance Page 19
d’une allumette ou d’une chandelle ou la afumée
d’une cigarette, d’une cigare ou d’une pipe.
6. Une fois qu’il a été déterminé, selon la méthode
indiquée ci-dessus, que chaque appareil raccordé
au systéme d’évacuation est mis à l’air libre de
façon adéquate. Remettre les portes et les
fenêres, les ventilateurs, les registres de
cheminées et les appareils au gaz à leur position
originale.
7. Tout mauvais fonctionnement du systéme
d’évacuation commun devrait êvacuation
commun devrait être corrigé de façon que
l’installation soit conforme au National Fuel Gas
Code, ANSI Z223.1/NFPA 54 et (ou) aux codes
d’installation CAN/CGA-B149. Si la grosseur
d’une section du systéme devrait être modifié
ppour respecter les valeurs minimales des
tableaux pertinents de l’appendice F du National
Fuel Gas Code, ANSI Z223.1/NFPA 54 et (ou)
des codes d’installation CAN/CGA-B149.
6.2 Filling the System
1. Open all supply and return valves.
2. Fill heating system to minimum operating
pressure 12 psig.
3. Loosen screw in coin vent and allow any trapped
air to escape. Collect any water that escapes so
that it does not drip on the blower electronics and
damage them. Small amounts of air that may
remain will be purged by the internal pump.
Tighten screw after purging.
*The “manual operation” lever located on the
side of the valve operator requires moderate pressure
to latch the valve open and then again to unlatch it and
allow it to close.
4.
Purge all lines by opening vents.
5. Close gas shutoff valve located above gas valve.
6. Turn on 120 volt power, the display will initially
display [---] for five seconds before displaying
[OFF].
7. If the temperature sensor detects a temperature
below 39°F (4°C) it will display [ICE]. The
appliance will then be in its Low Temperature
Mode. The Endurance will call for the pump to
run for 5 minutes, or until the discharge
temperature reaches 45°F (7°C). (EBP ONLY:
When the internal zone valve is manually
opened, the water will be allowed to be pumped
to the space heating system, if the system zones
are also open. This is a good time to ensure that
the system is fully discharged of all air and the
water charge pressure is correct.) If the water
temperature remains below 45°F (7°C) for 5
minutes, the Endurance will attempt an ignition,
in hopes of warming the boiler water. After three
attempts to ignite the burner control will lock out
and display [LO] (see Figure 25).
8. If the display remains at [OFF], press the on/off
button on the front panel and the reset button on
top of the front panel. The pump and the blower
will start, the display will then flash [
] (boiler
flow temperature) for 1 second intervals and the
actual temperature (e.g., [127]) in degrees F for
3 second intervals. The appliance will attempt to
ignite three times after which it will lock out and
display [LO]. The fan and the pump will then stop.
Ensure that the system is fully discharged of all
air and the water charge pressure is correct.
9. Turn the main electrical supply off.
10. EBP ONLY: Manually reset the internal zone
valve to its normal position (manual level
toward top of actuator).
11. System is now ready for operation.
6.3 Firing Burner
1. Be sure that system has been filled properly and
is leak tight.
2. Open gas shutoff valve.
3. Turn on main electrical switch.
4. If the temperature sensor detects a temperature
below 39°F (4°C) it will display [ICE]. The
appliance will then be in its Low Temperature
Mode.
5. If the display remains at [OFF], press the on/off
button on the front of the control panel and the
reset button on top of the control panel.
6. The pump and the blower will start, the display
will show [
] (boiler flow temperature) for
1 second intervals and the actual temperature
(e.g., [127]) in degrees F for 3 second intervals.
The appliance will attempt to ignite three times,
if ignition is not successful, the appliance will
lock out and display [LO]. Ignition reset is done
by pressing the reset button on top of the control
panel. EBP models will then operate to heat the
transfer tank.
7. EBP ONLY: Turn on a hot water tap. This puts
the appliance in the DHW mode.
Caution
Should any pronounced odor of gas be detected, or
if the gas burner does not appear to be functioning
in a normal manner, close main shutoff valve, do
not shut off switch, and contact your heating
contractor, gas company, or factory representative.
You MUST check flame monitoring control
(ignition system safety shut off device).
1. Close gas shutoff valve with burner operating.