TrueSTEAM
HM512, HM509, and HM506
TROUBLESHOOTING AND
PARTS REPLACEMENT GUIDE
1
SOLENOID VALVE REPLACEMENT
CAUTION:
Ensure outside of tank
is cool before removing to prevent
possible injury.
1.
Ensure the TrueSTEAM is empty, and unplug.
2.
Shut off and disconnect the water line from the
bottom of the unit.
3.
Unlock the red lever and disengage the tank from the
valve assembly and remove tank.
4.
Remove TrueSTEAM from the mounting
bracket.
5.
Remove the cover with a flathead or Torx
screwdriver.
6.
Disconnect the valve wire plug from the circuit
board.
7.
Using a flathead screwdriver, disengage the frame’s
backplate at the four locations.
8.
Slide the valve out of the back of the frame, and ease
the wiring out of the TrueSTEAM frame.
9.
Reassemble with the new solenoid valve, following
steps 2–8 in reverse order.
IN-LINE WATER FILTER
1.
Turn off water supply at the source (i.e. saddle
valve)
2.
Push in on the filter’s compression snap-lock fittings
where the 1/4-in. water line connects.
3.
Pull out the water line as you are pushing in the snap-
locks.
4.
Install the new water filter, ensuring directional water
flow is accurate per the filter label, by inserting the
water lines on either end of the filter.
5.
Initiate a call for humidity by turning the humidistat
on.
6.
Check the filter after 5 minutes of humidifier operation
to ensure no water leakage.
WATER TANK
1.
Press and hold the EMPTY button for 3 seconds.
2.
Water will drain from the tank and the CLEAN TANK
light will blink as it drains.
3.
When the CLEAN TANK is on solid, the tank is
empty.
4.
Turn the water valve arm to the UNLOCK position.
Grip the solenoid toggle valve and slide it back to
disengage.
5.
Hold bottom of the tank while pressing down the
safety release button on the cover and slide the handle
forward.
6.
The sediment screen is on the inside of the tank at the
bottom. Push the release button away from the tank
wall to disengage the screen.
7.
Pull out and clean or replace the screen.
8.
Clean tank and reattach.
WATER SENSOR ASSEMBLY
1.
Unplug the TrueSTEAM.
2.
Remove the cover with a flathead or Torx
screwdriver.
3.
Disconnect the water sensor wire from the electric
circuit board.
4.
Remove the Torx screw holding down the water sensor
assembly.
5.
Lift the metal hinge and remove the sensor assembly
,
.
6.
Replace with the new sensor assembly and connect the
new wires to the assembly and the circuit board.
7.
Reattach the cover.
8.
Plug in the TrueSTEAM.
M28182
A
B
REPLACEMENT PARTS
Part
Part Number
Fig.
Ref
10-foot Remote Hose and
Nozzle Kit
50024917-001
1
20-foot Remote Hose and
Nozzle Kit
50024917-002
1
Cover
50028004-001
2
Duct Nozzle
50028003-001
3
Remote Nozzles
50028001-001
4
Mounting Bracket
50020012-001
5
Solenoid Valve
50027997-001
6
In-Line Water Filter
50028044-001
7
HM512/HM509 Water
Tank
50033181-001
8
HM506 Water Tank
50033182-001
9
Water Level Sensor
Assembly
50027998-001
10
Saddle Valve
32001616-001
11
Back-flow Water Valve
50030142-001
12
Differential Pressure
Switch
50027910-001
13
M28180A
1
2
3
4
5
6
7
8
9
10
11
12
13
69-2144
