Install Instructions

22
g. Align holes and install two (2) remaining cap
screws. Level burner and fully tighten all three
(3) screws.
h. Plug burner power cord into power outlet
receptacle located in lower right corner of front
panel.
2. Install Riello oil burner, refer to Figure 10.
a. Loosen Burner cover Holding Screws and
remove Burner Cover. Check oil nozzle in
burner for size, angle and type, inspect electrode
settings and check insertion depth and turbulator
setting. Refer to Table 8A "Riello burner
Specications" at rear of this manual.
i. Installation/Removal of Drawer Assembly.
Refer to Figure 11A.
Figure 11C: Electrode Setting
Figure 11B: Nozzle Replacement
SECTION II: UNIT-PAK BOILER ASSEMBLY (continued)
b. Remove existing nozzle from nozzle
adapter.
c. Insert the proper NOZZLE into NOZZLE
ADAPTER and tighten securely (Do not
over tighten).
d. Replace adapter, with nozzle installed, into
drawer assembly and secure with screw (1).
iii. Inspect/Measure Burner Electrodes.
Refer to Figure 11C.
iv. Re-install Drawer Assembly into
Combustion Head. Refer to Figure 11B.
v. Check Insertion Depth. Verify the distance
between the tip of the end cone to face of the
burner mounting ange is as specied in
Table 8A “Riello Burner Specications” at
rear of this manual.
vi. Verify Turbulator Setting, Refer to Figure
11D.
a. Conrm the turbulator setting is as specied
in Table 8A “Riello Burner Specications”
of this supplement.
b.`If adjustment required, loosen RETAINING
NUT (1), then, turn SCREW (2) until the
INDEX MARKER (3) is aligned with the
correct index number shown in Table 8A
“Riello Burner Specications” at rear of this
manual.
Figure 11A: Installation/Removal of Drawer
Assembly
a. Removal:
• Disconnect oil delivery tube nut from
pump.
• Loosen SCREW (3), and then unplug
PRIMARY CONTROL (1) by carefully
pulling it back and then up.
• Remove the AIR TUBE COVER PLATE
(5) by loosening the retaining SCREW
(4) (Two SCREWS - Model F5).
• Loosen SCREW (2), and then slide the
complete drawer assembly out of the
combustion head as shown.
b. Installation:
• To insert drawer assembly, reverse the
procedure in Step ii, a thru d.
ii. Nozzle Replacement (if required). Refer to
Figure 11B.
a. Remove the NOZZLE ADAPTER (2) from
the DRAWER ASSEMBLY by loosening
the SCREW (1).