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S
XT I
, O
ERIES
NSTALLATION
PERATION AND
FIGURE 20: FM-Compliant Manifold (XT-115 - XT-130)
Alternate
Inlet
High Gas Pressure Regulator (Optional)
Inlet
Drip
Leg
By Others
NOTE: Vent valves must be piped to the atmosphere outside the structure and in accordance with
applicable codes.
FIGURE 21: XL-Compliant Manifold (XT-115 - XT-130)
Alternate
Inlet
High Gas Pressure Regulator (Optional)
Inlet
Drip
Leg
By Others
NOTE: Vent valves must be piped to the atmosphere outside the structure and in accordance with
applicable codes.
38
S
M
ERVICE
ANUAL
Safety Shut
Off Valve
Manual Gas
Valve (Main)
Union
(By Others)
Vent to Atmosphere
Manual Gas
Valve (Pilot)
Pilot
Regulator
Safety Shut
Off Valve
With Actuator
Manual Gas
Valve (Main)
Union
(By Others)
Low Gas Pressure Switch
LOW GAS
PRESSURE
SWITCH
Manual Gas
Valve (Pilot)
Pilot
Regulator
Safety Shut
Off Valve
Visual Indicator
Pilot
Solenoid
Vent to Atmosphere
Block Valve
With Actuator
Vent
Valve
Vent to Atmosphere
Pilot
Solenoid
Vent to Atmosphere
Vent to Atmosphere
Modulating Valve With
Pressure Regulator
Manual Gas Valve (Burner)
Ps
High Gas Pressure Switch
Vent to Atmosphere
Vent to Atmosphere
Modulating Valve With
Pressure Regulator
Manual Gas Valve (Burner)
Ps
High Gas Pressure Switch
Burner
Burner
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