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800.558.1711

Installation & Operation Instructions

WARRANTY

Limited Warranty.

 

Broan, LLC (“Broan”) warrants as follows: (i) the Broan dehumidifiers (“Product”) will be free of material 

defects in workmanship or materials for a period of two (2) years (“Two-Year Warranty”) following the date of initial purchase 

of such Product by an original customer purchasing from Broan or an authorized reseller (“Customer”); and (ii) the Product’s 

components will be free of material defects in workmanship or materials for a period of six (6) years following the date of initial 

purchase of such Product by a Customer. 

Limitation of Remedies.

 CUSTOMER’S SOLE AND EXCLUSIVE REMEDY UNDER THE ABOVE LIMITED WARRANTY 

AND BROAN’S ENTIRE LIABILITY THEREUNDER, SHALL BE, AT THE SOLE OPTION OF BROAN, REPLACEMENT OR 

REPAIR OF SUCH PRODUCT OR ITS COMPONENTS (“COMPONENTS”) BY BROAN OR BROAN’S AGENTS ONLY. 

REFRIGERANT, PIPING, SUPPLIES, TRANSPORTATION COSTS, LABOR COSTS INCURRED IN REPAIR OR REPLACEMENT 

OF SUCH COMPONENTS ARE NOT INCLUDED. THIS DISCLAIMER AND EXCLUSION SHALL APPLY EVEN IF THE 

EXPRESS WARRANTY AND LIMITED REMEDY SET FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE. CUSTOMER 

ACKNOWLEDGES THAT NO REPRESENTATIVE OF BROAN OR OF ITS AFFILIATES OR RESELLERS IS AUTHORIZED TO 

MAKE ANY REPRESENTATION OR WARRANTY ON BEHALF OF BROAN OR ANY OF ITS AFFILIATES OR RESELLERS THAT 

IS NOT IN THIS AGREEMENT. Notwithstanding the above, during the term of the Two-Year Warranty only, Broan will provide, 

free of charge to Customer, all Components and labor (except costs related to removal and installation of Product) required to 

fulfill its obligations under such Two-Year Warranty. 

Disclaimer of Warranties.

 EXCEPT FOR ABOVE LIMITED WARRANTY, WHICH IS THE SOLE AND EXCLUSIVE WARRANTY 

PROVIDED WITH RESPECT TO THE PRODUCT AND ITS COMPONENTS, BROAN HEREBY DISCLAIMS ALL EXPRESS AND 

IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 

FITNESS FOR A PARTICULAR PURPOSE. 

Warranty Limitations. 

The foregoing limited warranty extends only to a Customer and shall be null and void upon attempted 

assignment or transfer. A “defect” under the terms of the limited warranty shall not include problems resulting from Customer’s 

or Customer’s employees’, agents’, invitees’ or a third party’s misuse, improper installation, improper design of any system in 

which the Product is included, abuse, lack of normal care, failure to follow written instructions, tampering, improper repair, or 

freezing, corrosion, acts of nature or other causes not arising out of defects in Broan’s workmanship or material. If a Product or 

Component is replaced while under warranty, the applicable limited warranty period shall not be extended beyond the original 

warranty time period. The limited warranty does not cover any costs related to changes to a Product or Component that may be 

required by any codes, laws, or regulations that may become effective after initial purchase of the Product by Customer. 

Customer Responsibilities. 

As a further condition to obtaining warranty coverage hereunder, the Customer must send a valid 

warranty claim to Broan such that Broan receives such claim prior to the end of the applicable warranty period. Broan shall 

have no obligation hereunder with respect to any claim received by Broan after the expiration of the applicable warranty 

period. As a further condition to obtaining warranty coverage hereunder, the Customer must present forms of invoices 

evidencing proof of purchase of a Product. If such invoices do not clearly indicate the date of initial purchase by a Customer, 

the applicable Product’s date of manufacture will be used instead of the date of initial purchase for the purpose of calculating 

the commencement of the applicable warranty period. Warranty service must be performed by Broan or a servicer authorized 

by Broan. In order to obtain warranty service, the Customer should call Broan at 1-800-558-1711 and ask for the Broan 

Products Service Department, which will then arrange for applicable warranty service. Warranty service will be performed during 

customary, daytime working hours. If the Product must be shipped for service, Customer shall be solely responsible for properly 

packaging the Product, for all freight charges, and for all risk of loss associated with shipment. 

Limitation of Liability

. IN NO EVENT SHALL BROAN, IN CONNECTION WITH THE DESIGN, SALE, INSTALLATION, USE, 

REPAIR, REPLACEMENT OR PERFORMANCE OF ANY PRODUCT, COMPONENT, PART THEREOF OR WRITTEN MATERIAL 

PROVIDED THEREWITH, BE LIABLE, TO THE EXTENT ALLOWED UNDER APPLICABLE LAW, UNDER ANY LEGAL THEORY 

FOR ANY SPECIAL, DIRECT, INDIRECT, COLLATERAL OR CONSEQUENTIAL DAMAGES OF ANY KIND. NOTWITHSTANDING 

THE ABOVE LIMITATIONS AND WARRANTIES, THE SOLE AND EXCLUSIVE LIABILITY OF BROAN, REGARDLESS OF THE 

NATURE OR THEORY OF THE CLAIM, SHALL UNDER NO CIRCUMSTANCES EXCEED THE PURCHASE PRICE OF THE 

PRODUCT, COMPONENT OR PART UPON WHICH THE CLAIM IS PREMISED. 

Applicable Law and Venue. 

ANY ARBITRATION, ENFORCEMENT OF AN ARBITRATION OR LITIGATION RELATED TO THE 

PRODUCT WILL BE BROUGHT EXCLUSIVELY IN DANE COUNTY, WISCONSIN, AND CUSTOMER CONSENTS TO THE 

JURISDICTION OF THE FEDERAL AND STATE COURTS LOCATED THEREIN, SUBMITS TO THE JURISDICTION THEREOF 

AND WAIVES THE RIGHT TO CHANGE VENUE. CUSTOMER FURTHER CONSENTS TO THE EXERCISE OF PERSONAL 

JURISDICTION BY ANY SUCH COURT WITH RESPECT TO ANY SUCH PROCEEDING. 

Miscellaneous.

 If any term or condition of this Limited Warranty is found by a court of competent jurisdiction to be invalid, illegal 

or otherwise unenforceable, the same shall not affect the other terms or conditions hereof or thereof or the whole of this Limited 

Warranty. Any delay or failure by Broan to exercise any right or remedy will not constitute a waiver of Broan to thereafter enforce 

such rights.

Summary of Contents for B120DHV

Page 1: ...y Installation Operation Instructions The B98DHV and B120DHV are ventilating dehumidifiers that integrate into the heating and cooling system to provide the ultimate in comfort health and property protection through Dehumidification Fresh Air Ventilation Optional Air Filtration B98DHV B120DHV 800 558 1711 ...

Page 2: ...tallation 9 Fresh Air Ventilation 10 Determine Ventilation Requirements 11 Controls 12 Air Filtration 14 MERV Rating Chart 15 Service 16 Warranty 19 TABLE OF CONTENTS FOR REPAIR TECH SUPPORT 1 800 558 1711 follow prompts Broan is committed to manufacturing quality products To maintain our standards product specifications may change without notice 926 West State Street Hartford WI 53027 www Broan N...

Page 3: ...L IMPROPER INSTALLATION MAY CAUSE PROPERTY DAMAGE OR INJURY INSTALLATION SERVICE AND MAINTENANCE MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN DEHUMIDIFIER IS HEAVY HANDLE WITH CARE AND FOLLOW INSTALLATION INSTRUCTIONS NEVER OPERATE A UNIT WITH A DAMAGED POWER CORD IF THE POWER CORD IS DAMAGED IT MUST BE REPLACED BY THE MANUFACTURER ITS SERVICE AGENT OR A SIMILARLY QUALIFIED PERSON IN ORDER ...

Page 4: ...hes a 115 VAC electrical outlet with a minimum of a 15 Amp circuit capacity Locate the dehumidifier in an area where field wiring the control low voltage to the unit will be possible It is recommended that a backdraft damper be used in the discharge duct of the Dehumidifier especially when connecting to the supply ducting system The backdraft damper prevents supply air from counter flowing through...

Page 5: ... B C Air Flow Rear View Front View A B Fresh Air Ventilation Duct Fresh air ventilation is optional A 6 diameter duct is attached to the unit The 6 duct should be capped if fresh air is not desired If setting up the unit to provide fresh air ventilation see page 10 Return Air Inlet A 10 diameter duct collar is attached to the unit Supply Air Outlet The back panel of the dehumidifier can be rotated...

Page 6: ...ALLOW THE 24V TERMINAL TO CONTACT THE COM DMPR TERMINALS ON THE DEHUMIDIFIER OR DAMAGE TO THE TRANSFORMER WILL RESULT Electrical Precautions Do not install the control where it may not accurately sense the relative humidity such as near HVAC supply registers near exterior doors on an outside wall near a window or near a water source The screw terminals on the Dehumidifier and the control are label...

Page 7: ...ate is automatically pumped to a remote location when the water level in the pump s reservoir rises to close the float switch The pump also contains a safety float switch The white leads from this switch extend from beneath the pump cover This switch should be installed in series with the field wire that connects to the common lead from the Dehumidifier to the control panel If the pump fails this ...

Page 8: ...onnections is recommended to reduce noise and vibration transmitted to rigid ductwork in the structure Use a minimum 10 diameter round or equivalent rectangular duct for total duct lengths of up to 25 Use a minimum 12 diameter round or equivalent rectangular duct for longer lengths Grills or diffusers on the duct ends must not excessively restrict airflow Effective dehumidification may require tha...

Page 9: ... a backdraft damper If the existing system has multiple returns instead of installing a dedicated return to the Dehumidifier it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated Dehumidifier return Select a return from a central location in the house that is always open to the rest of the structure DO NOT use a return from a room where doors are kep...

Page 10: ...s required It may be necessary to use 8 duct work if additional fresh air is required In cold climates or at times when the dew point is low ventilation can be used to dehumidify the structure making the Dehumidifier capable of year round drying FRESH AIR VENTILATION Outdoor Air 90 F 65 RH Indoor Air 70 F 50 RH Mixed Air Mixed Air 75 F 75 F 65 RH 65 RH Mixed Air 75 F 65 RH Outlet Air 75 F 65 RH Ho...

Page 11: ...VENTILATION Determine Ventilation Requirements The MINIMUM ventilation requirement is calculated using ASHRAE 62 2 2016 Use one or both of the options below to determine your ventilation requirement Follow all local and national building and safety codes Option 2 Calculating Airflow Requirement Using Table 4 1 from ASHRAE 62 2 2016 Table 4 1 from ASHRAE 62 2 2016 Record the required CFM __________...

Page 12: ...4V TERMINAL FROM THE DEHUMIDIFIER TO CONTACT THE COM TERMINAL ON THE DEHUMIDIFIER OR DAMAGE TO THE TRANSFORMERS WILL RESULT Circuit Breaker To prevent damage to the 24 volt control transformer the Dehumidifier comes with a resettable circuit breaker Check wiring for any electrical short and repair before resetting breaker Resetting the circuit breaker without correcting the electrical short may re...

Page 13: ...he accessory to the DMPR OR COM and 24V terminals Between the COM lead and the 24V TERMINAL is a 40VA transformer This low voltage power source powers the relay coils which control the fan and compressors This 24VAC transformer can also be used to power HVAC accessories external to the dehumidifier COM 24VAC Power Transformer Neutral Side FAN Fan Control 24V Transformer High Side DEHU Dehumidifica...

Page 14: ... Remove the filter by gently pulling it straight out of the unit Insert new filter by gently pushing it straight into the unit Make sure the AIR FLOW arrow on the filter is pointing into the unit Step 3 Insert filter door into tabs and swing door closed to lock the latch into place Filter Fresh Air Intake Optional Return Side View Top View Side View Magnetic Strip nal Fresh ake eturn Supply Top Vi...

Page 15: ...ed Legionella microfine fiberglass or 11 60 65 95 Humidifier Dust Better Commercial Buildings synthetic media 12 36 in deep 6 12 pockets Lead Dust 10 50 55 95 Milled Flour Box Filter Rigid Style Cartridge Filters 6 to 12 deep may use lofted or paper media Auto Emissions Hospital Laboratories 9 40 45 90 Welding Fumes 8 30 35 90 3 0 10 0 pm Particle Size Commercial Buildings Pleated Filters Disposab...

Page 16: ...onnect the terminals 8 Connect the 24V and DEHU terminals together fan and compressor should run Disconnect the terminals 9 If this test works then the field control wiring is ok 10 If the problem persists then the control is most likely faulty WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSO...

Page 17: ... or in area of low relative humidity the dehumidifier will produce little to no water 7 Collecting the water removed in a 24 hour period will give a measurement of performance WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON Fan is not running Dehumidification or fan is being called for 1 Lo...

Page 18: ...t charge weight and refrigerant type Refrigerant Charging SERVICE Symptom Possible Reason Troubleshooting Procedure CAUTION CAUTION TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN Troubleshooting Continued 1 Verify power to the unit at power outlet 2 Look for short in control wiring 3 Check wire connections at control and unit 4 Reset circuit breaker button on dehumidifier WARNI...

Page 19: ...hanges to a Product or Component that may be required by any codes laws or regulations that may become effective after initial purchase of the Product by Customer Customer Responsibilities As a further condition to obtaining warranty coverage hereunder the Customer must send a valid warranty claim to Broan such that Broan receives such claim prior to the end of the applicable warranty period Broan...

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