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IO-HE12-A

IO-HE12-A

This humidifier is capable of delivering up to 12 GPD of humidity, according to the industry-standard performance test, AHRI 610, 

which specifies an air flow of approximately 200 CFM and plenum temperature of 120° F / 49° C. If the furnace or air handler 

operates at lower temperatures or air flow, the amount of humidity delivered will be less than 12 GPD. If an HRV is installed in the 

system, some of the humidity in the house will be transferred outside by the HRV; if this is the case, the humidifier should be sized 

to accommodate for this humidity loss. 

8-7/8˝

9-1/2˝

The Clean Comfort Model HE12 may be installed on  

either the supply or return plenum of a forced air handling 

system. Select a location for the humidifier that allows for 

service and maintenance. Using the installation template 

supplied with this humidifier, cut out a rectangle 8-7/8˝  

wide by 9-1/2˝ tall. Extend horizontal centerline of cut out 

to the adjacent plenum. Cut a 6˝ hole 10˝ to 15˝ from side  

of humidifier, on cabinet centerline, using connecting  

collar as guide. The bypass is reversible and can be  

mounted on the right or left side of the humidifier. 

Open cover and remove evaporator pad assembly. Humidi-

fier is self retaining. Slide top side in first, then slide chassis 

down. Level chassis and install center screws. If by-pass pipe 

installs to opposite side of chassis, bend clip on chassis,  

remove side discharge, and reinstall discharge to opposite 

side of chassis. Install remaining four corner screws. 

Corner 

Screw

Corner 

Screw

Corner 

Screw

Corner 

Screw

Attach by-pass pipe 

to humidifier here

Corner 

Screw

Corner 

Screw

4a 

Connect by-pass pipe to collar and humidifier cabinet.  

Using holes at top and bottom of side panel discharge,  

pierce 2 self tapping screws through by-pass pipe. 

COPPER 

TUBING 

Hot Water

PLASTIC 

TUBING 

Cold Water 

Compression 

Nut 

Sleeve 

Insert 

Saddle Valve Installation Option: Mount the self tapping  

saddle valve (4a) or code valve (4b next page) on either a  

cold or hot water* pipe. A side or top mount is best to avoid 

clogging from pipe sediment. Connect 1/4˝ O.D. tubing to  

the saddle valve. Copper tubing requires a brass compression  

nut and brass sleeve. Plastic tubing requires a brass compres-

sion nut, a brass insert inside the tubing and a plastic sleeve 

on the outside.

 

NOTE: DO NOT USE PLASTIC TUBING ON HOT WATER OR IN CON-

TACT WITH ANY HOT PLENUM SURFACE OR DUCT. INSTALLATION 

OF THIS SADDLE VALVE MUST MEET OR EXCEED LOCAL CODES AND 

ORDINANCES. USING HOT WATER WILL INCREASE THE AMOUNT OF 

HUMIDITY DELIVERED TO THE HOME, AND WILL ALSO INCREASE 

 

THE DEMAND ON THE HOME’S DOMESTIC HOT WATER SYSTEM.

Attach by-pass pipe 

to humidifier here

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Summary of Contents for HE12

Page 1: ... number HEP GA50 suggested or air pressure proving switch part number HEP 12500 suggested 5 8 self piercing sheet metal screws Proprietary Notice This document and the information disclosed herein are proprietary data of Daikin North America LLC Neither this document nor the information contained herein shall be reproduced used or disclosed to others without the written authorization of Daikin Nor...

Page 2: ...ide top side in first then slide chassis down Level chassis and install center screws If by pass pipe installs to opposite side of chassis bend clip on chassis remove side discharge and reinstall discharge to opposite side of chassis Install remaining four corner screws Corner Screw Corner Screw Corner Screw Corner Screw Attach by pass pipe to humidifier here Corner Screw Corner Screw 2 4a Connect...

Page 3: ...be followed by compression sleeve 9 Insert tube into valve fully and tighten nut 10 Turn on water supply and check for leaks 4b 5 6 7A 7D Electronic Humidistat 7A To furnace control board 24 volts 7B To constant power using 24V transformer and pressure switch 7C To furnace control board 115 volts with 24V transformer 7D To constant power using 24V relay and current sensing relay 7E 7H Manual Humid...

Page 4: ...r than one heating season 4 In areas where the supply water for the humidifier contains a high mineral content OR if the solenoid valve fails to operate the solenoid and the strainer screen should be in spected and descaled To do this disconnect the 1 4 water supply line from the solenoid valve Carefully pull the strainer screen part number HEP GA19 from the valve HE12MB Models shipped to Canada a...

Page 5: ...ITY TOO HIGH DURING COLD WEATHER EXCESSIVE HUMIDITY MAY CAUSE CONDENSATION ON WINDOWS OR IN WALLS REFER TO RECOMMENDED SETTINGS AS DESCRIBED IN THE HUMIDISTAT OWNERS MANUAL 1 Verify water supply is on 2 Verify metering orifice is not obstructed Very hard water with high mineral content may restrict the metering orifice in as little as one heating season Replace metering orifice if restricted part ...

Page 6: ...R H 30 R H 15 1 2 13 3 4 13 1 4 8 7 8 9 1 2 Footnote If plenum temperature is less than 120 F 49 C the amount of humidity delivered to the home will be less than the GPD specification shown above HUMIDIFIER PACKAGED COMPONENT ACCESSORIES Model HE12A includes Humidifier components HEP GA10 Vapor pad HEP GA4040 solenoid assembly Integral Bypass Damper Accessories HEP GFX3 Automatic Digital Humidista...

Page 7: ...sistance Failure by California or Quebec residents to register the Product does not diminish their warranty rights How to Obtain Service Contact the contractor from whom you purchased the Products s or Contact Daikin using the information below What Daikin Will Do If the Product s covered by this limited warranty are not as warranted and you notify Daikin of such failure during the term of the lim...

Page 8: ...______________________________________________ Address 2 _____________________________________________________________________________ City _______________________________ State __________________ Zip Code ___________________ Phone ________________________________________________________________________________ Email ________________________________________________________________________________ ...

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