Broan B70DHV Installation & Operation Instructions Download

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800.558.1711

Installation & Operation Instructions

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Installation & Operation Instructions

The

B70DHV

is a ventilating dehumidifier that is

integrated into the heating and cooling system to
provide the ultimate in comfort, health and property
protection through:

Dehumidification

Fresh Air Ventilation (Optional)

Air Filtration

B70DHV

TS-1127 08/21 Rev A

800.558.1711

Summary of Contents for B70DHV

Page 1: ...n Operation Instructions The B70DHV is a ventilating dehumidifier that is integrated into the heating and cooling system to provide the ultimate in comfort health and property protection through Dehum...

Page 2: ...Fresh Air Ventilation 10 Determine Ventilation Requirements 11 Controls 12 Wiring Controls 12 Air Filtration 13 MERV Rating Chart 14 Service 15 Warranty 17 TABLE OF CONTENTS FOR REPAIR TECH SUPPORT 1...

Page 3: ...METAL 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 FOL...

Page 4: ...cessary return and supply ductwork to the unit Allow sufficient clearance for filter removal and to prevent airflow obstruction Electrical service access will require the removal of the outside shell...

Page 5: ...Remove the exhaust panel using a T20 torx bit Rotate the panel so the exhaust collar is located on the top of the unit Align screw holes and snap the panel onto the base Secure the exhaust panel to th...

Page 6: ...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 B70DHV and the control are labeled to pr...

Page 7: ...quired to dispose of condensate Condensate 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 flo...

Page 8: ...the structure Use a minimum 8 diameter round or equivalent rectangular duct for total duct lengths of up to 25 Use a minimum 10 diameter or equivalent for longer lengths Grills or diffusers on the duc...

Page 9: ...s instead of installing a dedicated return to the B70DHV it is possible to select one to disconnect from the existing HVAC system and use it for the dedicated B70DHV return Select a return from a cent...

Page 10: ...ry 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 B70DHV capable of year r...

Page 11: ...ENTILATION 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 Fo...

Page 12: ...circuit breaker Check wiring for any electrical short and repair before resetting breaker Resetting the circuit breaker without correcting the electrical short may result in transformer damage Be sure...

Page 13: ...the slot Step 2 Remove the filter by gently pulling 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 t...

Page 14: ...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 Lab...

Page 15: ...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...

Page 16: ...ZARD ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON Low dehumidification capacity evaporator is frosted continuously Dehumidificat...

Page 17: ...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 furt...