Instruction/ maintenance manual of the product DH90 Honeywell
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DH90 Whol e House Deh umid ifi er wit h fresh air v ent ila t io n In sta ll a ti o n Gu id e Dehumidification Fresh Air V entilation Compact Size Energy Efficient The DH9 0 wh ole hou se d ehu mi dif.
DH90 Dehu mid ifier • F or HV A C Ins ta lle r Only 2 T ab le of Cont ents I n t r o d u c t i o n ....................... 1 Fe a tu res & B e ne fi t s . . . . . . . . . . . . . . . . . 1 Sa f et y Pre c au ti o ns . . . . . . . . . . . . . . .
F or HV A C Ins taller Only • Instal la ti on Guide 3 1 . I n te n d e d Ap p li ca ti o n f or DH 90 The DH90 is intended for use in residential applications to reduce the indoor humidity levels and increase comfort.
DH90 Dehu mid ifier • F or HV A C Ins ta lle r Only 4 The DH90 plugs into a common grounded 115V AC outlet. The device draws 6.2 Amps under normal operating conditions. If used in an area which may become wet, a ground fault interrupter (GFI) protected circuit is recommended.
F or HV A C Ins taller Only • Instal la ti on Guide 5 equivalent rectangular . For longer lengths, use a minimum 12" diameter or equivalent. Grills or diffusers on the duct ends must not excessively restrict airflow . • Isolated Areas: Effective dehumidification may requir e that ducting be branched to isolated, stagnant air flow areas.
DH90 Dehu mid ifier • F or HV A C Ins ta lle r Only 6 Instead of installing a separate return to the DH90, and if the existing system has multiple returns, it is possible to select one to disconnect fr om the existing forced air system and use it for the dedicated DH90 r eturn.
F or HV A C Ins taller Only • Instal la ti on Guide 7 4.5 Noise A batement A length of 10' or more of acoustical flex ducting on the outlet of the DH90 will reduce air noise from the fan. A length of flexible ducting on all DH90 duct connections is recommended to reduce noise transmitted to rigid ductwork in the structure.
DH90 Dehu mid ifier • F or HV A C Ins ta lle r Only 8 Figu re 7: Singl e transforme r , conventiona l system. Wake Room System Fan Heat Auto AM DST Tue R C W Y G R R C W Y G M19994 G F R C C C C H W.
F or HV A C Ins taller Only • Instal la ti on Guide 9 7 . P arts List For replacement parts call: 1-800-345-6770. DH90A1007 — DH90 Dehumidifier EARD6 — Motorized Damper 50018994-001 — 14" x 14" x 1" MERV 11 Filter 50018995-001 — 10" Back Draft Damper 8.
DH90 Dehu mid ifier • F or HV A C Ins ta lle r Only 1 0 9. 1 T rou bleshooti ng No dehumidification, neither fan nor compressor run with fan switch and ventilation timer OFF . 1. Unit unplugged or no power to outlet. 2. Humidity control set too high or defective.
F or HV A C Ins taller Only • Instal la ti on Guide 1 1 Fan does not run with ventilation activated. Compressor runs briefly but cycles on & off with humidity control turned to ON. 1. Loose connection in fan circuit. 2. Obstruction prevents fan rotation.
1 2 Ho n ey we ll wa rra nt s t hi s p ro d uc t , ex cl ud i ng ba tt ery , to be f ree f rom d e fe c ts i n t he wo r km an shi p or ma te ria ls , u nd er no rma l use a n d s erv i ce , f or a p er io d o f five ( 5) ye a rs f rom t he da te of p u rc h as e by th e c on sum er .
An important point after buying a device Honeywell DH90 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell DH90 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell DH90 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell DH90 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell DH90 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell DH90, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell DH90.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell DH90. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell DH90 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
