Boiler Parameter Worksheet
Appendix
38
1.9
S
ERVICE
M
ENU
:
This service menu allows the operator to manually set the boiler to HI, or LOW blower operation (ver. 1043 and 9820
include 20%, 40%, 60% and 80% selections) or HI or LOW burner operation (ver. 1043 includes 20%, 40%, 60% and
80% selections) for setup and/or troubleshooting. This menu is protected by the service level 1 code (SVC1).
Pressing the SVC shortcut key (DOWN button when the default screen is present, see Section 1.1) accesses the
SERVICE menu. Users can also access the SERVICE menu by pressing the
button and using the
and
buttons until the cursor is next to
SERVICE. Press
.
This menu is protected by the service level 1 code
(SVC1).
NOTICE! Combustion adjustments should only be performed by service personnel experienced and knowledgeable
on the operation of the Harsco Industrial, Patterson-Kelley boiler.
Two test modes are available:
1) BNR ON TEST HI LOW
2) BNR OFF FAN HI LOW
Press the
or
buttons to select BURNER ON TEST
HI LOW or BURNER OFF FAN HI LOW, then press
.
Then press
or
to select HI or LOW
(for ver. 1043; 20%, 40%, 60% and 80% selections are
included). Then press
to select the desired operation.
For the first test mode, BNR ON TEST HI LOW allows the service technician to hold the boiler in high or low fire
(for ver. 1043; 20%, 40%, 60% and 80% selections are included) during firing operation so that the combustion
adjustment can be performed.
For the second test mode, BNR OFF FAN HI LOW checks the fan rate with the burner off at high fan speed or at low
fan speed (for ver. 1043; 20%, 40%, 60% and 80% selections are included).
These test modes will automatically terminate after 15 minutes of inactivity or can be terminated from the
control/display panel by pressing the cancel/reset button
Each boiler has a specific combustion adjustment procedure that is contained in each boiler
’s specific Installation &
Owner’s Manual. The correct combustion parameters are listed in the boiler specific manual as well. These specific
procedures must be followed for the boiler being adjusted. There is a fire test from the factory on the back of the
boiler.
Service
BNR ON Test HI LOW
BNR OFF Fan HI LOW
Service
BNR ON Test HI LOW
BNR OFF Fan HI LOW
Service
BNR ON Test HI LOW
BNR OFF Fan HI LOW
29 Jul 2013
14:17
Test Burner HIGH
LOW Supply 140° F
→20% Fan 0
Note: BNR OFF test mode can be useful for drying the burner and heat exchanger after cleaning.
Additionally, this can be used to dissipate heat from a boiler loop when necessary to enable other boilers
to be operated for test purposes when the load is insufficient for boiler operation.
