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

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TT-S
ERIES
I
NSTALLATION
, O
PERATION AND
S
ERVICE
M
ANUAL
80 of 198
FIGURE 65: FM Manifold 700 MBH Less than 1000 MBH 1" NPT
FIGURE 66: FM Manifold 1000 - 5000 MBH - 1"-2" NPT
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
Hon
eyw
ell
PILOT GAS REGULATOR
CONTROLS THE AMOUNT OF
GAS FLOW TO THE
BURNER'S PILOT TUBE.
POSITION INDICATINGMAIN
GAS SOLENOID VALVE.
OPENS & CLOSES ALLOWING
GAS TO FLOW TO THE BURNER.
PILOT SHUT-OFF COCK
MANUAL SHUT OFF THAT ISOLATES
THE PILOT GAS ASSEMBLY FROM
THE MAIN GAS SUPPLY.
PILOT SOLENOID VALVE.
ALLOWS GAS TO FLOW TO
THE BURNER PILOT.
POSITION INDICATING BLOCK
GAS SOLENOID VALVE.
SECONDARY BACK-UP VALVE TO
PREVENT GAS FROM REACHING
BURNER DURING SHUTDOWN.
METERING VALVE.
CONTROLS THE FLOW OF
GAS TO THE MAIN BURNER
& TO SET THE HIGH & LOW
FIRE ON THE BURNER.
LOW GAS PRESS. SWITCH
PROTECTS AGAINST
INSUFFICIENT GAS
PRESSURE.
HIGH GAS PRESS. SWITCH
PROTECTS AGAINST EXCESSIVE GAS
PRESSURE
Se
le
ct
ra
M
AX
IT
RO
L
NOTE: Not used below
2500 MBH