Related Manuals for Thermolec Acu-Steam PRO Series
Summary of Contents for Thermolec Acu-Steam PRO Series
- Page 1 Installation Instructions and Maintenance Manual Acu-Steam PRO Commercial Humidifi er Pro 7 Please read this manual carefully before beginning installation. Feb. 2020 V1.4...
- Page 3 Warnings and Disclaimer – Installation Precautions and Recommendations Please read and understand the warnings and provided instructions fully before you begin this installation and keep them handy for future reference. The manufacturer will assume no responsibility and the warranty will be void if the installer or the user does not adhere to the following precautions/recommendations : Water quality and hardness can signifi...
- Page 4 Overview and model specifi cations 20” 6” Ø 1 1/4” 8” 12 5/8 ” 13 1/2” Ø 3” 12 ” 13 1/2” 23 1/4” 13” Page 2...
- Page 5 External view of the humidifi er. CU STEAM PRO Pro 7 11 5/8” 23 1/4” 14” 9” 13.5” 13” 20” Available capacities: Voltage / Phase Steam Output 208/1 208/3 240/1 240/3 480/3 600/3 lbs/hr kg/hr outlet Pro7 6.75 1.0" Pro12 1.5"...
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Page 6: Steam Outlet
Fig. 2a Steam Outlet Pro7 Electric Black Steam Outlet Valve Heating Element Black Foam Low Level High Level Overflow Pan White Manual Brown Thermal Cut-out Yellow Green Blue Blue White Page 4... - Page 7 How to Control the Humidity Humidity level and comfort are personal matters but it is generally acknowledged that a Relative Humidity of 35-45% is desirable. However, you should take the outside temperature into consideration before setting the humidity level in order to avoid condensation on the windows. Usually, a narrow strip of condensation around or at the bottom of the window is considered as normal.
- Page 8 Functions of the Electronic Circuit The electronic board located inside the unit controls all of the humidifi er functions. The front LED panel is equipped with pilot lights indicating the status of the humidifi er. Please see Fig.4a. Please refer to Article 4.2 for the description of the functions. The red pilot light, which is a warning light, can either glow all the time or fl...
- Page 9 Warning Red light An abnormal condition occurred. Please refer to the error code table in Section 7. Steam White light The humidifi er is heating water to produce steam. Filling cycle Blue light The electric water valve is open thus fi lling the humidifi...
- Page 10 Unpacking the Unit Contents Please inspect the carton’s contents and report any missing parts or damage immediately. AcuSteam Pro Humidifi er 2’ Steam hose Duct mount Highlimit humidistat Installation/maintenance manual Plastic bag containing installation material and hardware Inline water fi lter (to be changed yearly) NOTE : The electronic humidistat and the outdoor reset sensor are optional.
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Page 11: Installing The Humidifi Er
Installing the Humidifi er Detailed Installation Instructions This unit is design to be installed on a solid fl at surface near the ductwork of a forced air system. For ease of service, keep a minimum space of 24” in front of the unit. Remove both covers by fi... - Page 12 A rigid drain pipe has to be installed under the unit and connected to the main building drain. We recommend a standard 1-1/2” ( 1” for Pro7) I.D. ABS plumbing tube to do the installation. The two fl exible tubes (main drain and overfl ow) coming from the humidifi er and which will be inserted in the rigid pipe, require a minimum free vertical length of 30”...
- Page 13 Installing the Water Supply and drain pan connections Important Notes : • Close the main water supply valve before beginning. • We recommend installing a quarter of a turn shut off valve (not supplied) near the unit. This supply valve (not supplied) must be attached to a cold water pipe only, easily accessable from the Acu-Steam PRO unit.
- Page 14 Install the overfl ow pan under the tank by sliding it in the channel. Reconnect the white wire for the overfl ow sensor on the overfl ow pan. Cut the two drain tubes and insert them in the rigid pipe. Note that the main silicon drain tube must have a minimum length of 30”...
- Page 15 VERTICAL DUCTS: The diffuser tubes should be rotated either direction for improved steam dispersion or smaller ducts. * Diffuser tubes rotate to fine tune steam distribution Fig. 8c HORIZONTAL DUCTS WITH MULTIPLE DIFFUSERS: Multiple diffusers in horizontal ducts should be installed in a staggered confi guration. AIRFLOW Fig.
- Page 16 To avoid excessive humidity in the ductwork a high limit humidistat (included with unit) must be installed. Air flow 5 - 8’ Fig. 8e High limit sensor The high limit humidistat should be installed 5 to 8 feet downstream from the steam difuser follow the wiring diagram for proper connections.
- Page 17 Installing the Air Pressure Probe The pressure probe (also called a Pitot tube) connected to the pressure differential switch checks whether there is enough air pressure in the (warm) air duct to activate the humidifi er. The probe can be installed in either the warm air or cold air return duct. A 24” long plastic tube is supplied to connect the pressure probe to the PDS.
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Page 18: Making Electrical Connections
Making Electrical Connections NOTE : All internal wiring is done at the factory. All external wiring shall be done by a qualifi ed electrician and must conform to procedures, regulations and local codes. 10.1 A dedicated breaker in the main panel (or fused disconnect) must be installed. 10.2 Ensure that the wire size and protection equipment conform to the sizes required by the Electrical Code. - Page 19 Installing and Connecting to a Humidistat 11.1 See wiring diagrams in section 19 for proper connection. When using an Acu-Steam electronic humidistat with outdoor sensor please refer to the instructions included with the humidistat (see page 5, sections 3.1 through 3.5 explain the functions of the Acu-Steam wall and duct humidistats). If you decide to use a standard mechanical humidistat by others, connect the mechanical humidistat between the terminals marked GND (ground) &...
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Page 20: Working Principle
NOTE: The Acu-Steam PRO board has a memory that remembers the last sequence of operation when the power is turned off, hence the unit might start at step 2 or 3 when you put the power back on. Also, timings may slightly vary depending on the capacity of the unit, the pressure of the water inlet and the quality of the water. - Page 21 Start-up and Test Procedure 13.1 Turn the breaker (or disconnect switch) “ON” to supply power to the humidifi er. The green light comes ON to confi rm that the unit is ready to work (after initialization). 13.2 Test of the On/Standby button. Press the white button once. The green light goes OFF then fl ashes, indicating that the unit is in standby mode but still powered.
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Page 22: What To Do If A Malfunction Occurs
What To Do if a Malfunction Occurs 14.1 Count and take note of red warning fl ashes. Shut the main power OFF and restart the humidifi er to see if the error code (fl ashing red light) disappears. The red light will fl ash again if the error condition still exists. 14.2 If you see a water leak, follow the water supply tube and close the valve installed on the water pipe located near the humidifi... -
Page 23: Maintenance
Maintenance WARNING : The water tank and its contents can become extremely hot. Please be careful before proceding. As with any evaporative water device , some minerals normally dissolve in the tank and will create varying degrees of deposits inside the tank. Even though the unit drains and cleans itself during normal operation, it will require a minimum annual maintenance check (see sections 16.5 through 16.8) to assure all humidifi... - Page 24 the unit by pulling it towards you. Please see Fig. 16a. Also remove the main drain tube from the rigid drain pipe attached to the wall and check that both tubes are clean and clear from deposits. 16.6 CAUTION: Check that the water tank is not too hot to handle. Unfasten the latches around the water tank and remove the tank bottom from the main body of the tank vessel by pulling it down carefully in a twisting motion.
- Page 25 16.9 Put the overfl ow pan under the tank by sliding it in the channel. 16.10 Reconnect the white wire of the overfl ow sensor on the overfl ow pan terminal. 16.11 Put the overfl ow and main drain tubes back into the rigid drain pipe. 16.12 Put the cover back on the humidifi...
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Page 26: Preventative Maintenance
Preventative Maintenance 17.1 In order to avoid problems due to accumulation of deposits, we suggest that you replace the silicone drain tube and the low and high water level sensors every 2 to 4 years. We also suggest you replace the round o-ring gasket around the tank. -
Page 27: Warranty
Warranty 18.1 Thermolec Ltd. warrants against defects for a period of two (2) years from the date of installation. 18.2 Any claim under warranty shall be considered only if the product has been properly installed, by a certifi ed technician, and operated in accordance with Thermolec’s written instructions. -
Page 28: Wiring Diagrams
Wiring diagrams Page 26... - Page 29 Page 27...
- Page 30 AcuSteam Pro 7 Page 28...
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Page 31: Detailed Error Codes
Detailed Error Codes Page 29...
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