P-K SONIC
TM
Gas Fired Boiler
T
T
T
Technical Service 1.877.728.5351
echnical Service 1.877.728.5351
echnical Service 1.877.728.5351
echnical Service 1.877.728.5351
and knowledgeable installer or service agency that has been trained on the Harsco Industrial, Patterson-
Kelley boilers. Refer
to
Section 3.12.2 Combustion Setup and Adjustment
.
5.2.3 Monthly Preventive Maintenance
1. Press the “Info” button on the NURO touch screen to load the Information Screen and scroll down to
view the flame signal measured in Volts. Typical flame signals should read between 20-50V. If the
flame signal is below 20V, the ignition electrode may need to be replaced.
2. Test the low water level cut-off. Refer to
Section 3.10.2 Low Water Cut-out Test.
3. Test the manual reset high-temp limit. Refer to
Section 3.10.3 Manual Reset High Temperature Limit
Test
.
4. Test low gas pressure switch. Refer to
Section 3.10.4 Gas Pressure Switch Tests
.
5. Test operating temperature controls by reducing or increasing temperature setting as necessary to
check burner operation.
6. Check the condensate drain system. Clean and flush as necessary.
N
OTICE
!
Installation and service must be performed by a qualified installer or service
agency that has been trained on the SONIC
TM
boiler.
5.3 Cleaning the Burner & Combustion Chamber
Harsco Industrial, Patterson-Kelley recommends cleaning the burner and combustion chamber once
annually:
Required Replacement Parts
NOTE
Spare parts and replacement parts can be ordered from Harsco Industrial,
Patterson-Kelley by calling toll free
(877) 728-5351
. Reach us by fax at
(570)
476-7247
.
Boiler
Part
Part Number
SONIC
Burner Gasket
SONIC
Burner Gasket
1. Lockout/tagout gas supply to the boiler.
2. Lockout/tagout electrical power to the boiler.
3. Disconnect the condensate neutralization tank piping in order to install a temporary drain hose into the
condensate trap/drain. Run the open end of this hose to a nearby floor drain.
4. Open the front and side doors of the boiler.
5. Protect the electrical and control components from exposure to water with towels, a nylon tarp, or
plastic wrap.
6. Locate the blower and burner assembly bolted to the cast Aluminum heat engine. Refer to
Section
6.2.1
and
Section 6.2.4
for an illustration of these components.
7.
Remove the nuts and bolts connecting the blower transition piece to the burner transition piece. The
blower transition piece will remain supported in place.
8.
Remove the nuts holding the burner transition piece to the studs on the front of the boiler.
9.
Pull out the burner transition piece with the two gaskets and set aside. Discard gaskets
