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The Ultra-Aire MD33 is a built-in dehumidification solution that can be 

conveniently installed inside standard wall framing. The Ultra-Aire MD33 

provides the ultimate in comfort, health and property protection.

TS-927  6

/

18   Rev E

P/N: 4035900  Serial No.: 

Install Date:

Sold by: 

HVAC Installer: Please Leave Manual for Homeowner

Installation Instructions

INSTALLATION BY AN HVAC PROFESSIONAL IS RECOMMENDED

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Patent Pending

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Therma-Stor, LLC

Summary of Contents for MD33

Page 1: ...l framing The Ultra Aire MD33 provides the ultimate in comfort health and property protection TS 927 6 18 Rev E P N 4035900 Serial No Install Date Sold by HVAC Installer Please Leave Manual for Homeow...

Page 2: ...rements 7 Dehumidifier Installation 8 Maintenance 12 Air Flow 12 Controls 13 Service 15 Warranty 17 TABLE OF CONTENTS Therma Stor is committed to manufacturing quality products To maintain our standar...

Page 3: ...TRICAL AND PLUMBING CODES MUST BE ADHERED TO FOR PROPER UNIT OPERATION AND WARRANTY COMPLIANCE IMPROPER INSTALLATION MAY CAUSE PROPERTY DAMAGE OR INJURY INSTALLATION SERVICE AND MAINTENANCE MUST BE PE...

Page 4: ...DOIVENT TRE RESPECT S POUR UNE UTILISATION AD QUATE DE CETTE UNIT ET UNE VALIDIT DE LA GARANTIE UNE INSTALLATION NON CONFORME PEUT CAUSER DES DOMMAGES MAT RIELS OU DES BLESSURES TOUTE INSTALLATION TO...

Page 5: ...ted behind tamper proof cover Air Filter 1 2 Washable mounted behind diffuser Dehumidistat Digital tamper proof float switch input Cabinet Galvanized Steel Decibels 46 dBA Drain Connection 3 4 O D Dra...

Page 6: ...ing members or unwanted noise may result Unit is designed to be suspended by side mounting flanges only Drain hose must be routed with downward slope from unit drain connection to appropriate location...

Page 7: ...z AC only 15 amp fused and grounded electrical supply A visible circuit breaker or disconnect switch near the unit is required for maintenance and service A dedicated circuit is recommended Use of a U...

Page 8: ...ER POWER BEFORE BEGINNING INSTALLATION 1 2 Electrical Box Shipping Bracket AVERTISSEMENT FERMEZ LE DISJONCTEUR ALIMENTATION AVANT DE COMMENCER L INSTALLATION Items Included in Box Ultra Aire MD33 Dehu...

Page 9: ...p 3 There are three electrical knock outs one on the back and two on the bottom of the unit Remove appropriate knock out and install non metallic cable clamp with clamp screws inside of unit oriented...

Page 10: ...ng on both sides Additional insulation or sound dampening material not provided may be required if the dehumidifier cabinet contacts the studs especially in applications involving metal studs Fasten t...

Page 11: ...e of the electrical wires are pinched Step 15 Turn breaker power back on Step 16 Set the digital controller to desired RH See Controls Section on page 13 Step 17 Install diffuser cover by aligning the...

Page 12: ...ORD IS DAMAGED IT MUST BE REPLACED BY THE MANUFACTURER ITS SERVICE AGENT OR SIMILARLY QUALIFIED PERSONS IN ORDER TO AVOID A HAZARD AVERTISSEMENT ASSUREZ VOUS QUE L UNIT EST FERM E OU D BRANCH E OU QUE...

Page 13: ...will show 00 for a couple of seconds and then it will display the RH level of the room and the dehumidifier blower will turn on to start sampling the air for one minute Indicator LED located above di...

Page 14: ...after an hour Evaporator Temperature Mode To enter evaporator temperature mode press and hold both arrow buttons for 5 seconds and the LED will change to Blue The display will flash at twice the rate...

Page 15: ...TO PERFORM SOME TESTS THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON MISE EN GARDE LES TRAVAUX DE D PANNAGE NE DEVRAIENT TRE EFFECTU S QUE PAR UN TECHNICIEN CVCA QUALIFI AVERTISSEMENT...

Page 16: ...ning 1 Wiring or connectors loose 2 Blower relay failure 3 Blower capacitor failure 4 Blower failure Check wiring and connectors for damage or loose connections Check power to blower circuit replace p...

Page 17: ...y 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 Responsi...

Page 18: ...18 Ultra Aire MD33 Installation Instructions www InWallDehumidifier com 800 533 7533...

Page 19: ...19 www InWallDehumidifier com 800 533 7533 Ultra Aire MD33 Installation Instructions...

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