Carrier Humidifier HUMCCLBP2018 User Manual

HHUMumidifiers  
HOMEOWNER’S MANUAL  
Model HUMCCLFP1025-A--  
Fan-Powered Humidifier  
Model HUMCCSFP1016-A--  
Fan-Powered Humidifier  
Model HUMCCLBP2018-A--  
Bypass Humidifier  
Model HUMCCWTR2019-A--  
Water-Saver Bypass Humidifier  
Model HUMCCSBP2017-A--  
Bypass Humidifier  
NOTE TO INSTALLER: This manual should be left with the equipment user.  
 
Supply- and return-air grilles should not be blocked by items  
such as drapes, furniture, and toys. Restricted airflow reduces  
the efficiency of the humidifier, as well as that of the whole com-  
fort system.  
SOLENOID VALVE  
DISTRIBUTOR COVER  
DISTRIBUTOR PAN  
EVAPORATOR PAD  
The humidifier unit must be properly maintained on a regular  
basis.  
STARTUP PROCEDURES  
1. Open the saddle valve on the water supply line. (See Fig. 4.)  
Set humidistat to the desired relative humidity. (See Fig. 5  
and Table 2.)  
CABINET  
2. Turn the furnace on and adjust the thermostat to a high tem-  
perature setting. Be sure that the furnace blower is operating.  
3. Check to see if water is flowing into the humidifier.  
BOTTOM ACCESS PANEL  
Fig. 7 — Model HUMCCLP1025-A--  
HUMIDISTAT  
INLET  
SOLENOID VALVE  
CABINET  
Fig. 4 — Saddle Valve  
Fig. 5  
DISTRIBUTOR PAN  
EVAPORATOR PAD  
On a Model HUMCCLBP or Model HUMCCLFP humidifi-  
er, loosen the thumbscrew that holds the distributor cover to the  
top of the cabinet. Lift up the distributor cover slightly to make  
certain that water is flowing from the solenoid valve into the  
distributor pan. Do not lift the cover off the cabinet more than  
1 in. when water is flowing. (See Fig. 6 or 7 according to the  
model you own.)  
DUCT HOUSING  
SIDE ACCESS DOOR  
RECTIFIER  
DRAIN  
SOLENOID VALVE  
Fig. 8 — Model HUMCCSBP2017-A--  
DISTRIBUTOR COVER  
DISTRIBUTOR PAN  
EVAPORATOR PAD  
CABINET  
FRONT COVER  
CABINET  
SCREWS (4)  
PAD ASSEMBLY  
BOTTOM ACCESS  
PANEL  
Fig. 6 — Model HUMCCLBP2018-A--  
On a Model HUMCCSBP humidifier, gently pull the latch  
that secures the access door. Remove the door. Check to see if  
water is flowing from the solenoid valve into the evaporator pad.  
(See Fig. 8.)  
SIDE ACCESS DOOR  
On a Model HUMCCSFP humidifier, open the side door or  
the front cover. If the front cover is opened, hold the pad assem-  
bly in place. Check to see if water is flowing from the solenoid  
valve into the distributor pan. (See Fig. 9.)  
Fig. 9 — Model HUMCCSFP1016-A--  
On a Model HUMCCWTR unit, look through the window on  
front of the unit to see that the evaporator pad is rotating and  
water is flowing. (See Fig. 10.)  
4. Turn off the furnace. When the blower stops, look into the  
humidifier to make sure the water is not flowing into the  
unit.  
5. Replace the cover assembly and fasten securely.  
6. Now, turn the furnace on and set the thermostat for desired  
room temperature.  
The Model HUMCCWTR is controlled by a float valve. Turning  
off the furnace will not affect the water flow until float level is  
achieved. (See Fig. 11.)  
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SHUTDOWN PROCEDURES  
CLEANING PROCEDURES  
Models HUMCCLBP, HUMCCSBP, HUMCCLFP, and  
HUMCCSFP  
To shut down your humidifier, close the saddle valve on the wa-  
ter line. Then turn off the humidistat. When set to the OFF posi-  
tion, the humidistat shuts off the electrical power to the solenoid  
valve on the humidifier.  
1. Turn off all electrical power to the humidifier and furnace  
or fan coil.  
NOTE: If your home comfort system includes cooling, be sure  
the water supply to your humidifier isturned offduring the cool-  
ing season. Close the damper located in the bypass duct if one  
is installed. If your humidifier is a Model HUMCCWTR, drain  
and clean the water pan as described in cleaning procedures.  
2. Turn off the humidifier’s water supply. (See Fig. 4.)  
3. Disassemble the humidifier.  
To disassemble a Model HUMCCSBP humidifier, gently pull  
the latch that secures the access panel. Remove the door and  
slide the evaporator pad assembly out of the unit. (See Fig. 8.)  
PERFORMING ROUTINE MAINTENANCE  
To disassemble either a Model HUMCCLBP or Model  
HUMCCLFP humidifier, first remove the water supply con-  
nection to the solenoid valve. Next, remove the screw that  
holds the distributor cover to the cabinet, and lift off the cover.  
Disconnect the drain line from the sump and loosen the  
thumbscrew(s) holding the sump to the cabinet. Remove the  
sump. Remove evaporator pad assembly. (See Fig. 6 or 7,  
according to the model you own.)  
With the proper maintenance and care, your humidifier will op-  
erate economically and dependably. Maintenance can be accom-  
plished easily by referring to the following directions. However,  
before performing any maintenance, consider these important  
safety precautions:  
DISCONNECT ALL ELECTRICAL POWER TO THE  
HUMIDIFIER AND FURNACE BEFORE PERFORMING  
ANY SERVICE OR MAINTENANCE TO AVOID PER-  
SONAL INJURY.  
To disassemble a Model HUMCCSFP, the pad assembly can  
be removed from the side access door or the front cover. When  
removing the side door, lift the pad assembly up by holding the  
tabs and slide the assembly out. When removing the front cover  
on Model HUMCCSFP, disconnect the quick connects to the  
solenoid valve, unscrew the 4 screws to the front cover, snap  
loose the top and bottom catches, and lay the front cover aside.  
Once the front cover is off, lift the pad assembly up and twist it  
out. The pad assembly consists of 4 parts; the distributor pan,  
frame, sump, and the evaporator pad. Pull the distributor pan  
apart from the frame and the evaporator pad can be removed. Do  
not force the evaporator pad in or out without removing the dis-  
tributor pan as this will distort the pad.  
BEARING RETAINER  
4. Clean the humidifier’s external components.  
If your humidifier is a Model HUMCCSBP humidifier, wash  
the access door and outlet drain portion of the cabinet. Make  
sure the drain is open.  
CABINET  
PAD  
If your humidifier is a Model HUMCCLBP or HUMCCLFP,  
wash the distributor cover, sump cover, and cabinet. Be sure the  
inlet ports are open and clean. Then, clean the sump with a solu-  
tion of detergent and water.  
PAN  
Fig. 10 — Model HUMCCWTR2019-A--  
5. Clean the internal components of your humidifier. Wash the  
distributor pan with a mild detergent and warm water. Be  
sure holes and slots in the pan are clean and unobstructed.  
Wash the evaporator pad assembly in a detergent solution.  
If there are scale deposits on the pad, soak it in ordinary  
household vinegar. If the pad is covered by a heavy deposit  
of scale, or if the local water supply has high sulfate or cal-  
cium content, replace the pad with a new one. Contact your  
dealer for replacement part.  
NOTE: THERE MAY BE MORE THAN 1 ELECTRICAL  
DISCONNECT SWITCH.  
ALTHOUGH SPECIAL CARE HAS BEEN TAKEN TO  
MINIMIZE SHARP EDGES IN THE CONSTRUCTION OF  
YOUR HUMIDIFIER, BE EXTREMELY CAREFUL WHEN  
HANDLING PARTS OR REACHING INTO THE UNIT TO  
AVOID PERSONAL INJURY.  
6. Reassemble your humidifier.  
7. Turn on the electrical power and water supplies. Refer to  
the startup procedures.  
Your humidifier has been designed for easy disassembly to sim-  
plify cleaning and servicing. Your unit must be kept clean to  
maintain its efficiency.  
Model HUMCCWTR  
1. Turn off all electrical power to the humidifier and furnace  
or fan coil.  
Regular inspection allows you to determine the cleaning sched-  
ule best suited to your humidifier’s operating conditions. The  
frequency for required maintenance will depend most upon the  
available water supply. In areas where hard water and high min-  
eral content are prevalent, more frequent cleaning and servicing  
may be required.  
2. Turn off the humidifier’s water supply. (See Fig. 4.)  
3. Drain water from the unit. Place a pail underneath the drain  
plug located on the bottom of the humidifier cabinet. Lift  
the tab on the drain plug and remove the plug. Allow all  
water to drain from the unit. (See Fig. 12.)  
At minimum, the humidifier will need to be cleaned at the be-  
ginning of every heating season.  
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4. Remove the front door from the humidifier. Rotate the  
latches one-half turn, then pull the door forward.  
5. Remove and inspect the evaporator pad assembly. Lift the  
bearing from its retainer. (See Fig. 10.) Pull the assembly  
away from the motor to disengage the assembly shaft from  
the motor coupling. Remove assembly through the access  
opening.  
Inspect the evaporator pad. If the pad is heavily loaded with  
scale, or if the local water has a high sulfate content, replace the  
pad. Contact your dealer for replacement part.  
BEFOREYOU REQUEST A “SERVICE CALL’  
BEFOREYOU CALL FOR SERVICE, CHECK FOR  
THESE EASILY SOLVED PROBLEMS:  
Check the main power disconnect  
switch. Verify that the circuit break-  
ers are on and that fuses have not  
blown. If you must reset breakers or  
replace fuses, do so only once. Con-  
tact your servicing dealer for assis-  
tance if the breakers trip or the fuses  
blow a second time.  
NOTE: For best performance, the evaporator pad should be  
replaced before each heating season.  
6. Inspect the float assembly. Remove the float arm from the  
valve body by sliding out the pin and lifting off the float  
arm. (See Fig. 11.) Inspect the rubber valve seat located in-  
side the float arm. If the seat appears to be nicked or worn,  
invert the seat or replace it with the spare valve seat located  
on the float arm. Inspect the water opening in the valve  
body. If the opening is clogged, use a pin to remove the  
obstruction. Remove any accumulated deposits from the  
valve body and float arm.  
7. Clean the water pan and unit cabinet. Tilt the water pan and  
lift it from the unit. Wash the pan with warm, soapy water.  
Flex the pan to loosen accumulated scale. Wash the unit in-  
terior, removing any accumulated deposits. Inspect the  
drain line to insure that no blockage has occurred. Clean as  
required. (See Fig. 12.)  
8. Reassemble your Model HUMCCWTR humidifier. Rein-  
sert the water pan and drain plug. Ensure that the overflow  
tube is inserted into the hole at the bottom of the cabinet.  
Attach the float arm to the valve body by aligning the holes  
on both parts and reinserting the pin. Do not force or bend  
the pin. The float arm should have free up-and-down move-  
ment. Install the evaporator pad assembly. Ensure that the  
square shaft engages the motor coupling and that the bear-  
ing washer is located inside the bearing retainer. Turn the  
water on. Adjust float by rotating until water covers inside  
of foam drum. Attach the access door and turn the latches.  
If the humidity level is too low, check the humidistat setting.  
Confirm that the saddle valve is turned on. Check the evapora-  
tor pad, and clean or replace the pad as necessary. Check water  
level in Model HUMCCWTR.  
Check for sufficient airflow. Check the furnace filter or elec-  
tronic air cleaner for excessive accumulations of dirt. Check for  
blocked return- or supply-air grilles. Be sure grilles are open  
and unobstructed.  
If water drips from the humidifier, check the drain hose for  
kinks or obstructions. If your unit is a Model HUMCCWTR,  
dripping may indicate that the float valve requires adjustment.  
If your comfort system still fails to operate properly, contact  
your servicing dealer for troubleshooting and repairs. Specify  
your apparent problem, and state the model and serial numbers  
of your equipment. (You should have them recorded where  
noted in this booklet.)With this information, your dealer may be  
able to offer helpful suggestions over the phone, or save valuable  
time through knowledgeable preparation for the service call.  
PIN  
FLOAT ARM  
VALVE  
BODY  
HIGHER  
LOWER  
VALVE SEAT  
REGULAR DEALER MAINTENANCE  
In addition to the routine maintenance that you perform, your  
humidifier should be inspected regularly by a properly trained  
service technician. The inspection (preferably each year, but at  
least every other year) should include the following:  
Fig. 11 — Float Arm Removal  
HUMIDIFIER HOUSING  
WATER PAN  
Routine inspection of the humidifier. Cleaning, if necessary.  
Cleaning or replacement of the evaporator pad as required.  
A check of all electrical wiring and connections.  
A check of water connections to the unit.  
DRAIN PLUG  
OVERFLOW TUBE  
Operational check of the complete comfort system to deter-  
mine actual working condition. Necessary repair and/or adjust-  
ment should be performed at this time.  
Fig. 12 — Cleaning Water Pan and Unit Cabinet  
Your servicing dealer may offer an economical service contract  
that covers seasonal inspections. Ask for further details.  
9. Turn on electrical power supplies. Refer to startup proce-  
dures listed on page 3.  
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Record the model and serial numbers of your new humidifier in  
the following spaces. This information, along with the other  
ready-reference facts requested below, may be required if you  
should ever need information or service.  
Model No._________________________________________  
Serial No. _________________________________________  
Date Installed ______________________________________  
Dealer Name_______________________________________  
Address___________________________________________  
City ______________________________________________  
State ____________________ Zip_____________________  
Telephone _________________________________________  
TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or the classified section of your local telephone directory under the  
“Heating Equipment’’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name.  
Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part  
Carrier Corporation Indianapolis, IN 46231  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Copyright 1998 Carrier Corporation  
Form: OMHUM-1  
Replaces: OM49-9  
Printed in the U.S.A.  
7-98  
PC 101  
Catalog No. 03HU-MC0  
 

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