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Start-Up Procedures

1. Open the saddle valve on the water supply line. (See

Fig. 3.) Set humidistat to the desired relative humidity.
(See Fig. 4 and Table 1.)

2. Turn the furnace on and adjust the thermostat to a high

temperature setting. Be sure that the furnace blower is
operating.

3. Check to see if water is flowing into the humidifier.

• On P110-L8P2018A or P110-LFP1025A humidifiers,

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 flow-
ing. (See Fig. 5 or 6.)

• On a P110-SBP2017A 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. 7.)

• On a P110-SFP1016A humidifier, open the side door

or the front cover. If the front cover is opened, hold the
pad assembly in place. Check to see if water is flowing
from the solenoid valve into the distributor pan. (See
Fig. 8.)

• On a P110-WTR2019A humidifier, look through the win-

dow on front of the unit to see that the evaporator pad
is rotating and water is flowing. (See Fig. 9.)
The P110-WTR2019A humidifier is controlled by a float
valve. Turning off the furnace will not affect the water
flow until float level is achieved.

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 de-

sired room temperature.

Fig. 3 — Saddle Valve

HUMIDISTAT

Fig. 4 — Humidistat

DISTRIBUTOR COVER

SOLENOID VALVE

DISTRIBUTOR PAN

EVAPORATOR PAD

CABINET

BOTTOM ACCESS
PANEL

Fig. 5 — Humidifier Details — P110-LBP2018A

SOLENOID VALVE

DISTRIBUTOR COVER

DISTRIBUTOR PAN

EVAPORATOR PAD

CABINET

BOTTOM ACCESS PANEL

Fig. 6 — Humidifier Details — P110-LFP1025A

CABINET

RECTIFIER

DRAIN

INLET

DISTRIBUTOR
PAN

EVAPORATOR
PAD

DUCT
HOUSING

SIDE
ACCESS
DOOR

SOLENOID
VALVE

Fig. 7 — Humidifier Details — P110-SBP2017A

2

Summary of Contents for P110-LFP1025A

Page 1: ...buted through out the house via the ductwork See Fig 1 Typical humidi fier installations are shown in Fig 2 OPERATING YOUR HUMIDIFIER Your new humidifier is designed to operate as part of your home heating system For performance at maximum effi ciency follow these recommendations The humidifier is controlled by a humidistat Adjust the humidistat setting according to the outside temperature Re fer ...

Page 2: ...t cover is opened hold the pad assembly in place Check to see if water is flowing from the solenoid valve into the distributor pan See Fig 8 On a P110 WTR2019Ahumidifier look through the win dow on front of the unit to see that the evaporator pad is rotating and water is flowing See Fig 9 The P110 WTR2019Ahumidifier is controlled by a float valve Turning off the furnace will not affect the water f...

Page 3: ...fier To disassemble a P110 SBP2017A 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 7 To disassemble either a P110 LBP2018A or P110 LFP1025Ahumidifier 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...

Page 4: ...hat the square shaft en gages the motor coupling and that the bearing washer is located inside the bearing retainer Turn the water on Ad just float by rotating until water covers inside of foam drum Attach the access door and turn the latches 9 Turn on electrical power supplies Refer to start up pro cedures listed on page 2 BEFORE YOU REQUEST A SERVICE CALL Before You Call For Service Check For Th...

Page 5: ...our 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 5 ...

Page 6: ...6 ...

Page 7: ......

Page 8: ...anufacturer of air conditioning heating and refrigeration products Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations REPLACEMENT COMPONENTS DIVISION LITERATURE NUMBER HUM 50SO R CARRIER CORPORATION 1 99 REPLACES 2 05930 PRINTED IN U S A ...

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