Removing The Cylinder - Honeywell HM750 Installation Instructions Manual

HM750A1000

Removing the Cylinder

WARNING
Disconnect main power source before accessing
internal compartments.
The inside of the humidifier cabinet contains high
voltage components and wiring. Access should be
limited to authorized personnel.
1. Drain the existing cylinder by pressing the
Power/Drain button on the front of the humidifier for
1 second. Let the humidifier drain until no more
water is flowing out to drain (usually not more than
10 minutes). Following the drain cycle, the
humidifier will switch off.
2. Close the supply water shut off valve.
3. Turn off power to the humidifier with the external
disconnect.
4. Using a flat screwdriver, turn the lock on the
humidifier's front cover 90° counterclockwise to
release. Rotate the base of the cover outwards
6 inches, then lift upwards to remove.
3. LIFT COVER.
2. TILT BASE
OUT 6 INCHES.
1. TURN LOCK
90˚ COUNTER
CLOCKWISE.
Fig. 28. Removing the cover.
5. Remove the cylinder plugs from the cylinder pins by
pulling vertically.
6. Using a flat screwdriver or 5/16 in. nut driver, loosen
the hose clamp closest to the cylinder.
7. Pull the cylinder away from the steam hose to
disengage. When free of steam hose, lift the cylinder
out.
8. Some water may remain in the cylinder, even after
fully draining. Have a cloth available to absorb any
water.
33-00289—01
2. REMOVE
CYLINDER
PLUGS BY
PULLING
VERTICALLY.
3. PULL
CYLINDER
AWAY FROM
HOSE BY
TILTING
CYLINDER.
IMPORTANT
Always clean the drain valve before installing a
new cylinder. Scale from the spent cylinder may
have fallen into the drain valve and could prevent
proper operation. See page 21 for instructions.
9. Install the new cylinder by following the above
instructions in reverse order ensuring;
a. Cylinder is fully seated in drain valve;
b. Hose clamp is tightened to 12 in/lb.;
c. Cylinder plugs are securely reconnected.
MCR37236
20
Fig. 29. Removing the cylinder.
1. LOOSEN
HOSE CLAMP
4. LIFT
CYLINDER
OUT FROM
DRAIN VALVE.
MCR37237