User Guide

25
VII: SYSTEM START-UP (continued)
• 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.
ii. Installation:
To insert drawer assembly, reverse the
procedure in Step i above.
b. Nozzle Replacement, refer to Figure 17.
i. Remove the NOZZLE ADAPTER (2) from
the DRAWER ASSEMBLY by loosening the
SCREW (1).
ii. Remove existing nozzle from nozzle adapter.
iii. Insert the proper NOZZLE into NOZZLE
ADAPTER and tighten securely (DO NOT
cover tighten), refer to Table 7.
Figure 16: Installation/Removal of
Riello Drawer Assembly
Figure 17: Riello Nozzle Replacement
Figure 15: Electrode / Head Setting
iv. Replace adapter, with nozzle installed, into
drawer assembly and secure with screw (1).
c. Inspect and measure burner electrodes. Refer
to Figure 18 for the proper electrode settings.
d. Re-install Drawer Assembly into Combustion
Head per Step 3a above.
e. Insertion Depth, verify the distance between the
tip of the end cone is equal to the distance
specied in Table 7.
f. Turbulator Setting, refer to Figure 19 and
Riello Burner Specications Table 7.
g. Pump Connections and Port Identication,
refer to Figure 20.
This burner is shipped with the oil pump set to
operate on a single line system. To operate on a
two-line system the bypass plug must be
installed.