20
110891-02 - 5/22
RSAH
Installation & Service Manual
A. GENERAL.
1. Use flexible oil line(s) so that burner can be
removed without disconnecting the oil supply.
2. A supply line fuel oil filter is recommended as a
minimum for all firing rates but a pleated paper
fuel oil filter is recommended for the lowest
firing rate application to prevent nozzle fouling.
Figure 6-1: Single-Pipe Installation
3. Use Flared fittings only.
DO NOT
use
compression fittings.
4. Use of a high efficiency micron filter (Garber or
equivalent) in addition to conventional filter is
highly recommended.
B. SINGLE-PIPE OIL LINES.
1. Standard burners are provided with single-
stage 3450 rpm fuel units with the bypass plug
removed for single-pipe installations.
2. The single-stage fuel unit may be installed
single-pipe with gravity feed or lift. Maximum
allowable lift is 8 feet. See Figure 6-1.
NOTICE:
Oil piping must be absolutely airtight or
leaks or loss of prime may result. Bleed line and
fuel unit completely.
6
Oil Piping
NOTICE:
The National Oilheat Research Alliance
(NORA) recommends single pipe oil systems and
high-quality filtration for all fuel types. This should
include at least a 10-micron Spin-on filter. Double
filtration provides even greater assurance clean
fuel will get to the pump. Contaminants in the tank
that enter the fuel supply to the burner can cause
pump sticking/seizing. These contaminants may
increase in the early stages of transitioning to
modern fuels (Ultra Low Sulfur and Bio Blends).
High quality filtration adds protection against
pump sticking.
