CAC / BDP HUM STM3034 Series Owner's Manual page 7

3 . Inspect the two electrode wires (see ELECTRODE WIRE REPLACEMENT
section for detailed instructions) .
Replace them if they are:
• Not tightly fitting
• Damaged
• Over 3 years old or age is unknown
• Have D shaped connectors (see FIGURE 4A)
4 . Loosen hose clamp at top of canister . Slide steam hose off top of canister
(see FIGURE 5) .
5 . Slide canister up and out of drain assembly (see FIGURE 5) . Discard old
canister .
6 . Remove O-ring from drain assembly using small screwdriver . Discard old
O-ring .
7 . With your finger, swirl the fluid/precipitate mixture in the bottom of the
drain valve reservoir (see FIGURE 5) .
8 . Using a sponge or paper towels, soak up the water in the reservoir . If
necessary, use a wet/dry vacuum to remove residue .
9 . Clean the inside of the drain port (where coil projects out) by gently
swabbing with a bent cotton swab or other soft implement .
10 . Rinse the drain valve reservoir with clean water and vacuum as necessary .
11 . Insert new O-ring (O-ring is provided with Model 8045HUM canister)
into slot in drain assembly . Dampen O-ring with water before inserting
canister . Do not use oil, grease, or any lubricant besides water .
FIGURE 3A –
Two Circuit Boards
ONE WIRE MUST GO THROUGH
CURRENT-SENSING TOROID
WATER LEVEL
PROBE
POWER
RELAY
ELECTRODE
POST
FIGURE 3B –
One Circuit Board
CANISTER ELECTRODES
J8 J10
- 12 -
12 . Make sure strainer is inserted into bottom of new canister .
13 . Insert new canister into drain assembly (see FIGURE 5) .
14 . Slip steam hose over top of canister and tighten hose lamp (see
FIGURE 5) .
15 . Reconnect the electrode wires and water level probe wire to the posts
on top of the canister (see FIGURE 3A and FIGURE 3B) . Electrode wires
are interchangeable and can be placed on either of the two electrode
posts on top of the canister . Ensure connectors are fully seated.
FIGURE 4A –
"D" Shaped Connector
FIGURE 5 – Fill & Drain
System and Canister
OVERFLOW
FILL
VALVE
SUPPLY
WATER
90-2352
FIGURE 4B –
"O" Shaped Connector
STEAM HOSE
STEAM
OUTLET
WATER LEVEL PROBE
ELECTRODES
CANISTER
FILL DRAIN VALVE
DRAIN CUP
DRAIN
- 13 -
90-2736
TUBELETS
DISPERSION
TUBE IN DUCT
DRAIN ASSEMBLY
90-1522