PB Heat DE User Manual download pdf (Page 29)

3. Low Water Cut-Off (if used) – Consult the

manufacturer’s instructions for the low water cut-off

operational check procedure.

4. Check the system to make sure there are no leaks or

overfilling problems which might cause excessive

make-up water to be added. Make-up water causes

liming in the boiler and brings in oxygen. Oxygen

can cause severe damage to the boiler through

oxygen corrosion pitting.

5. Check the expansion tank and automatic fill valve (if

used) to confirm that they are operating correctly. If

either of these components causes high pressure in

the system, the boiler relief valve will weep or open,

allowing fresh water to enter the system.

6. Do not allow the system controls to subject the boiler

to excessively low water temperatures, which would

cause condensation of flue gases and corrosion of

the boiler. Operate the boiler at a temperature above

130°F (55°C). Adjust the boiler limit as required to

maintain boiler temperature above this level.

7. Check the general condition of the system including

piping support, joints, etc. Check cleanliness of the

radiators, baseboard units and/or convectors. Clean

them to the extent possible. If radiators do not heat

evenly, vent any remaining air from them.

8. Review operation and User’s Information Manual

with end-user.

9. Complete the Warranty Card and submit it to PB

Heat, LLC.

10. Hang the Installation, Operation and Maintenance

Manual and User’s Information Manual in an

accessible position near the boiler.

START-UP PROCEDURES

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PB Heat DE User Manual Page 29