Wood Pellet Cast Iron Boiler MESys 4000 - Maine Energy Systems
Wood Pellet Cast Iron Boiler MESys 4000 - Maine Energy Systems
Wood Pellet Cast Iron Boiler MESys 4000 - Maine Energy Systems
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20<br />
4 Installing the boiler<br />
4.9 Installing the aquastat and burner sensors<br />
This pellet boiler/burner system is equipped with an outdoor<br />
sensor to provide outdoor temperature control for system<br />
efficiency optimization. The boiler is equipped with a 3/4”<br />
well for boiler water sensing near the boiler supply tapping.<br />
A Honeywell L4006E aquastat (Fig. 10a) is supplied as a<br />
manual reset high limit control to shut down burner in case of<br />
a high temperature condition.<br />
DANGER: Risk of fatal injury due to electric<br />
shock!<br />
�V<br />
Electrical work may only be carried out by<br />
qualified technicians.<br />
V� Before opening or working on any electrical<br />
equipment isolate it from the power supply<br />
and take steps to ensure it cannot be inadvertently<br />
reconnected.<br />
Warning: Fire hazard from hot boiler components<br />
may damage electrical cables.<br />
V� Make sure that all cables are sheilded in that<br />
way that they cannot come in to contact<br />
with hot boiler parts and are not placed in<br />
hot zones (ie. boiler front door).<br />
V �<br />
Make sure that the boiler is electrically grounded<br />
to NEC requirements.<br />
�V<br />
Identify the boiler sensor as part of the Janfire NH burner<br />
package. Slide contact sleeve (supplied in B-kit) around<br />
PT100 Sensor (Fig. 10b).<br />
�V<br />
Route and insert the boiler sensor under the jacket panels<br />
into the well. Ensure fit to bottom of well.<br />
V� Remove adapter clam off of aquastat. Use the two screws<br />
provided in B-kit to secure aquastat to top rear jacket panel.<br />
V� Uncoil the capillary of the Honeywell and insert into the<br />
well.<br />
V � Use 2 90 degree spacers furnished with the B-kit to<br />
carefully block in the capillary and sensor. Make sure<br />
that boiler sensor and capillary are fully inserted into the<br />
immersion well.<br />
V � Drill holes to fit the aquastat on the boiler jacket.<br />
V � Refer to page 42 in this manual for detailed wiring<br />
instructions of supplied safety componenets.<br />
.�1<br />
Fig. 10a: Aquastat bracket, aquastat and<br />
PT100 boiler sensor installation<br />
mounting.<br />
Set L4006E at 200 degrees F.<br />
PT100<br />
Sensor<br />
Fig. 10b: Sensor and capiallary sensor details<br />
<strong>MESys</strong> <strong>4000</strong> - 6000 Series- Technical specifications are subject to change without prior notice.<br />
Aquastat bulb<br />
Corrugated spaces<br />
Pie shape sensor
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