Thermolec AcuSteam User Manual Page 1

User and Maintenance Manualfor the HomeownerandInstallation Instructionsfor the ContractorACU-STEAM™ Humidifi erby ThermolecPlease read this manual

Page 8HOME OWNERHOME OWNER8. MaintenanceWARNING : The water tank and its contents can become extremely hot. Please be careful before proceding.As with

Page 9HOME OWNERHOME OWNER8.5 Pull the plastic tube attached to the bottom of the overfl ow pan out of the rigid drain pipe on the wall. You do not ha

Page 10HOME OWNERHOME OWNER8.9 Put the overfl ow pan under the tank by sliding the slot on the back screw and hooking the key hole on the front screw.

Page 11HOME OWNERHOME OWNER9. Preventative Maintenance9.1 In order to avoid problems due to accumulation of deposits, we suggest that you replace the

Page 12HOME OWNERHOME OWNER10. Warranty10.1 Thermolec Ltd. warrants against defects in materials and workmanship of the steam humidifi er and all its

Page 13CONTRACTORDetailed Instructions for the Contractor11. Unpacking the Unit11.1 ContentsPlease inspect the carton’s contents and report any missi

Page 14CONTRACTOR12. Dimensions and Available Models12.1 Humidifi er dimensions Fig. 12a12.2 Available models Fig. 12b14”13”11 5/8”9”!ACU STE

Page 15CONTRACTOR13. Detailed View and WiringView of the top of the unit. Fig. 13aGreenYellowWhiteRedRedBlackBlackBlueBlueHeatingElement

Page 16CONTRACTORView and list of the wire harness by color and function. Please see Fig. 13b & Fig. 13c.FANGIN24VAH-STATA AON1 2 3OFFONGreenBlu

Page 17CONTRACTORNote: Please read sections 14 and 15 before proceeding.14. Installing the Steam Diffuser and the Steam Hose14.1 Proper installation

Page 18CONTRACTORIMPORTANT: For horizontal ducts that are only 8” to 10” inch high, install the diffuser at the very bottom of the duct with only the

Page 19CONTRACTOR 15. Installing the Humidifi erFor ease of service, keep a minimum space of 24” in front of the unit.15.1 Remove both covers by fi rs

Page 20CONTRACTOR15.5 A rigid drain pipe has to be installed under the unit and connected to the main house drain. We recommend a 1” minimum I.D. tub

Page 21CONTRACTOR16. Installing the Water Supply and drain pan connectionsImportant Notes : Close the main water supply valve before beginning. We

Page 22CONTRACTOR16.2 Take the 5/16 dia. plastic tube and push one end on the connector located at the bottom of the overfl ow pan. Please see Fig. 16

Page 23CONTRACTOR17 Installing the Air Pressure Probe17.1 The pressure probe (also called a Pitot tube) connected to the pressure differential switc

Page 24CONTRACTOR18. Making Electrical ConnectionsNOTE : All internal wiring is done at the factory. All external wiring shall be done by a qualifi ed

Page 25CONTRACTOR19. Installing and Connecting to a Humidistat 19.1 See wiring diagrams in section 21 for proper connection. When using an ACU-STEA

Page 26CONTRACTOR20. Start-up and Test Procedure20.1 Turn the breaker “ON” to supply power to the humidifi er. The green light comes ON to confi rm th

Page 27CONTRACTORNOTE:The Acu-Steam board has a memory that remembers the last sequence of operation when the power is turned off, hence the unit migh

Page 1HOME OWNERHOME OWNER1. Warnings and Disclaimer – Installation Precautions and RecommendationsPlease read and understand the warnings and provid

Page 28CONTRACTOR21. Wiring diagramsPDSELECTRIC WATERVALVE 24VDCM- CUT-OUT225FHLSLLSFSREDBLUEGREENGREENV1BLUEREDGL1IN24GFAN AMODE123456789101112131415

Page 29CONTRACTOR PDSELECTRIC WATERVALVE 24VDCM- CUT-OUT225FHLSLLSFSREDBLUEGREENGREENV1BLUEREDGIN24GFAN AMODE123456789101112131415H-STATWHITE YELLO

Page 30CONTRACTOR

Page 31CONTRACTORNumber of fl ashes of the red lightError Description Humidifi er StatusActions to be Taken by the TechnicianResetOFFN

Page 2HOME OWNERHOME OWNERInstructions and User Manual for the Homeowner2. View of the unit2.1 External view of the humidifi er. Fig. 2a

Page 3HOME OWNERHOME OWNER3. Startup3.1 The startup of the humidifi er is done as follows :  Adjust the knob on the humidistat to the humidity level

Page 4HOME OWNERHOME OWNER4. How to Control the Humidity4.1 Humidity level and comfort are personal matters but it is generally acknowledged that a

Page 5HOME OWNERHOME OWNER5. Functions of the Electronic Circuit5.1 The electronic board located inside the unit controls all the humidifi er functio

Page 6HOME OWNERHOME OWNER Warning Red light ON An abnormal condition occurred. Please refer to the error code table in Section 7.

Page 7HOME OWNERHOME OWNER6. What To Do if a Malfunction Occurs6.1 Shut the main power OFF and restart the humidifi er to see if the error code (fl as