Weather-Rite TT Series, Инструкция по установке, эксплуатации и обслуживанию

Страница: 87 / 205

SECTION 1 8 : G
AS
P
IPING
81 of 198
FIGURE 67: FM Manifold above 3000 MBH 2 ½" to 3" NPT
FIGURE 6 8 : XL Manifold Less than 1000 MBH - 1" NPT
Honey
well
FLUID POWER GAS
VAL
VE
FLUID POWER GAS
VAL
VE Honey
well
M
AXITROL
Selec
tra
PILOT GAS REGULATOR
CONTROLS THE AMOUNT OF
GAS FLOW TO THE
BURNER'S PILOT TUBE.
PILOT SOLENOID VALVE.
ALLOWS GAS TO FLOW TO
THE BURNER PILOT.
METERING VALVE.
CONTROLS THE FLOW OF
GAS TO THE MAIN BURNER
& TO SET THE LOW FIRE
ON THE BURNER.
BLOCK GAS MOTORIZED ACTUATOR
SECONDARY BACK-UP.
OPENS AND CLOSES VALVE.
MAIN GAS MOTORIZED ACTUATOR.
OPENS & CLOSES VALVE ALLOWING
GAS TO FLOW TO THE BURNER.
MOTORIZED BLOCK
VALVE BODY.
SECONDARY BACK-UP
VALVE TO PREVENT GAS
FROM REACHING THE
BURNER DURING
SHUTDOWN.
PILOT SHUT-OFF COCK
MANUAL SHUT OFF THAT ISOLATES
THE PILOT GAS ASSEMBLY FROM
THE MAIN GAS SUPPLY.
MAIN GAS VALVE BODY
OPENS & CLOSES ALLOWING
GAS TO FLOW TO THE BURNER.
SHUT-OFF COCK.
MANUAL SHUT OFF THAT ISOLATES
THE GAS TRAIN ASSEMBLY FROM
THE BURNER.
LOW GAS PRESS. SWITCH
PROTECTS AGAINST
INSUFFICIENT GAS
PRESSURE.
HIGH GAS PRESS. SWITCH
PROTECTS AGAINST EXCESSIVE GAS
PRESSURE
PILOT GAS REGULATOR
CONTROLS THE AMOUNT OF
GAS FLOW TO THE
BURNER'S PILOT TUBE.
POSITION INDICATING BLOCK
GAS SOLENOID VALVE.
SECONDARY BACK-UP VALVE TO
PREVENT GAS FROM REACHING
BURNER DURING SHUTDOWN.
MAIN GAS PRESSURE REGULATOR
CONTROL THE FLOW OF GAS TO
THE MAIN BURNER & TO SET
THE HIGH FIRE ON THE BURNER
PILOT SHUT-OFF COCK
MANUAL SHUT OFF THAT ISOLATES
THE PILOT GAS ASSEMBLY FROM
THE MAIN GAS SUPPLY.
POSITION INDICATING MAIN
GAS SOLENOID VALVE.
OPENS & CLOSES ALLOWING
GAS TO FLOW TO THE BURNER.
PILOT SOLENOID VALVE.
ALLOWS GAS TO FLOW TO
THE BURNER PILOT.
METERING VALVE.
CONTROLS THE FLOW OF
GAS TO THE MAIN BURNER
& TO SET THE LOW FIRE
ON THE BURNER.
HIGH GAS PRESS. SWITCH
PROTECTS AGAINST EXCESSIVE GAS
PRESSURE
LOW GAS PRESS. SWITCH
PROTECTS AGAINST
INSUFFICIENT GAS
PRESSURE.