Install Instructions

23
110839-01 -8/20
AP-U
Installation & Service Manual
4. WATER BOILERS WITH TANKLESS HEATERS:
The Warm Start Boiler Control is factory
programmed with a High Limit setpoint of
190°F. The High Limit setpoint is adjustable
between 100°F and 220F. Additionally, the
Warm Start Boiler Control is factory
programmed with a Low Limit setpoint off The
Low Limit setpoint is adjustable between 110°F
and 200°F. These temperatures may be varied
to suit the installation requirements.
5. CHECKOUT
Put the system into operation and observe at
least one complete cycle to make sure that the
controller operates properly. See
Troubleshooting Section to use LED to assist in
determining system operation.
F. CHECK OIL BURNER BEFORE STARTING.
1. CHECK BURNER SETTINGS and readjust if
necessary, see Burner Specifications, Table
7-1.
2. BECKETT AFG BURNERS
This Beckett AFG burner is equipped with a
non-adjustable Fixed “F” Series Head, the
number is stamped on the head.
a. Remove Gun Assembly.
b. Verify nozzle size, head size, gun setting,
and positioning of electrodes. This
information is shown in Figure 7-2, and
Beckett Burner Specifications, Table 6.
Replace Gun Assembly.
c. Check burner air band and air shutter
settings. Readjust if necessary, see Burner
Specifications Table 7-1.
d. OPEN ALL OIL LINE VALVES.
e. Attach a plastic hose to fuel pump vent
fitting and provide a pan to catch the oil.
f. OPEN FLAME OBSERVATION PORT
COVER on burner swing door.
Table 7-1: Beckett AFG Burners
Boiler Model
Firing Rate
(GPH)
Nozzle
Air Settings
Shutter Band Head (stop screw) Pump Pressure
*AP-110U-N(T) 0.75
0.65 - 80°AB
Danfoss
7 0 N/A 140
AP-154U-N(T) 1. 10
0.90 - 80°B
HAGO
6 0 N/A 140
* Equipped with low firing rate baffle
Figure 7-2: Electrode / Head Setting
7 System Start-Up (continued)