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CHECK THE HUMIDIFIER OPERATION
Turn the control knob to the maximum RH setting . Make sure that the
water saddle valve is open and that the humidifier is on . The indoor unit
blower must be running for the humidifier to function . Once humidifier
operation is verified, reduce the Humidifier Control setting to the
recommended inside humidity, depending on the outside temperature .
ADDITIONAL INFORMATION
Be sure to keep fireplace dampers closed when not in use . They provide
an excellent escape route for heat, as well as humidity .
On occasion, indoor moisture producing activities such as clothes drying,
cooking, showers, etc ., may raise the humidity level higher than it should
be, even though the humidifier is not operating . Telltale indications are
condensation or frost on cold surfaces such as windows, doors, walls,
etc . If such condensation persists for several hours, your home should be
ventilated to dissipate the potentially damaging excess moisture .
MAINTENANCE
NOTE: The manufacturer of the device recommends that service be
performed only by a qualified technician . Contact your installing contractor
for service . See Cautions and Warnings on pages 2 and 3 prior to
attempting these procedures .
Turn humidifier off and allow humidifier to drain. Disconnect
power before servicing.
Inspect humidifier at approximately 500 hour intervals or several times
during the humidification season .
• Check system operation and inspect all plumbing connections and piping
for signs of cracks or leaks .
• Inspect drain line to make sure it is not blocked and has constant
downward slope . Clean or replace if necessary .
• Inspect steam hose to make sure it has no low spots and has constant
upward slope from humidifier to dispersion tube in duct . If dispersion
tube is mounted below humidifier, inspect drip tee drain .
• Two canisters are available for optimal performance . The Model 8043RP
is for typical water while the Model 8043LCRP is designed for low
conductivity and 120V installations . The 8043LCRP should never be used
with softened water .
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TO REPLACE THE CANISTER
Replace the canister annually and when prompted by the "Service" light .
Use only genuine replacement part number 8043RP or 8043LCRP .
1 . Press On/Off switch to turn humidifier off . Humidifier will drain for four
minutes .
2 . Allow humidifier to drain . When the green "drain" LED stops flashing,
disconnect main electrical power to humidifier .
3 . Remove front panel .
4 . Pull three wires off posts on top of canister . (Two large electrode
conductors and one water level probe conductor .)
5 . Loosen hose clamp at top of canister .
6 . Slide hose off top of canister .
7 . Slide canister up and out of drain assembly . Discard canister .
8 . Remove O-ring from drain assembly using small screw driver .
9 . Inspect drain assembly and remove any debris . See drain valve cleaning
procedure in Installation & Maintenance manual .
10 . Insert new O-ring into slot in drain assembly . (O-ring is provided with
canister .) Dampen O-ring with water before inserting canister . Do not use
oil, grease, or any lubricant besides water .
11 . Make sure strainer is inserted into bottom of new canister .
12 . Insert canister into drain assembly . Position canister with label facing
outward .
13 . Slip steam hose over top of canister and tighten hose clamp .
14 . Reattach three wires to posts on top of canister . (Larger electrode
conductors are interchangeable .)
15 . Replace front panel .
16 . Inspect drain line to make sure it is not blocked and has constant
downward slope . Clean or replace if necessary .
17 . Inspect steam hose to make sure it has no low spots and has constant
upward slope from humidifier to dispersion tube in duct . If dispersion
tube is mounted below humidifier, inspect drip tee drain .
18 . Restore electrical power to humidifier .
19 . Turn humidifier on and verify green "On/Off" light is illuminated .
20 . See Start-up Procedure in Installation, Operation & Maintenance manual .
TO SERVICE FILL VALVE
If water flow from fill valve is restricted, disconnect inlet fitting and remove
in-line strainer using small screw from inlet port . Clean or replace strainer .
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