Installation
2-10
750-297
Profire E/LNE Series Manual
FIGURE 2-8. No. 2 Oil Loop E-252 — E-420
THIS PIPING LAYOUT IS FOR REFERENCE ONLY
AND IS SUBJECT TO CHANGE WITHOUT NOTICE.
OPTIONAL EQUIPMENT MAY CHANGE THIS LAYOUT
LOW OIL
PRESSURE
SWITCH
RELIEF
VALVE
RETURN
SUCTION
GATE
VALVE
CHECK
VALVE
3-WAY VALVE
ON BURNER
OIL METERING
PUMP (SUPPLIED
WITH BURNER)
PRESSURE
GAUGE &
NEEDLE
VALVE
STRAINER
CHECK
VALVE
VACUUM
GAUGE
STRAINER
GATE
VALVE
GATE
VALVE
GATE
VALVE
PIPING BY OTHERS
PIPING BY I.C.
2-WAY VALVE
ON BURNER
BACK PRESSURE VALVE
SET AT 10-15 PSI
OIL
CIRCULATING
PUMP
OIL
STORAGE
TANK
REQUIRED IF PUMP DOES NOT
HAVE AN INTERNAL RELIEF.
RELIEF VALVE SET AT 50 PSI
TO DRAWER
ASSEMBLY
RECOMMENDED PIPE SIZE
NO. 2 OIL
TANK TO CIRCULATING PUMP CIRC. PUMP TO BURNER & RETURN
2” 1 1/2”
EL, LNEL EL, LNEL
252, 294, 336, 378, 420
252, 294, 336, 378, 420
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