STEP 1
2-STAGE GAS VALVE
48HJD005,006*
48HJE004-006*
48HJF004-006*
48HJD007-014
48HJE007-014
48HJF007-014
*3-phase units only.
†Single-phase units only.
STEP 6
STEP 2
STEP 4
SINGLE-STAGE GAS
VALVE
WR
48HJD005,006†
48HJE004-006†
48HJF004-006†
48HJG005,006
48HJH004-006
48HJK004-006
48HJL005,006
48HJM004-006
48HJN004-006
STEP 5
Fig. 3 — To Shut Unit Off
4
MAIN
ON
OFF
STEP 3
STEP 7