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Model 70007000 M ModelModel 70007000 Installation/Operating Instructions # 010921025 2 Model 7000 Flow Through Humidifier FREQUENTLY ASKED QUESTIONS your furnace is running and in heating mode. 24 hours of humidifier operation may take 3 days to complete. Question: Why use a flow-through style humidifier rather Question: How much water does this humidifier use? than a drum style humidifier? Answer: This humidifier incorporates a restrictor which Answer: This will depend on several factors including size of meters the amount of water supplied to the unit. In the home, style of furnace, and size of ducting; as well as personal average home the unit will use totally 56 US gallons (47 preference. However in order to use this model flow through Imperial gallons, 212 Litres) of water per 24 hours of you will require at least 10" wide ducting where as our drum operation. styles will fit on 8" ducting. Comment: As mentioned above 24 hours of operation refers Comment: Flow-through and rotating-drum style evaporative to humidifier operation, the 24 hours operating time may take furnace humidifiers will safely and efficiently humidify 90% of 3 days to complete. When Compared to the water consumed homes which use forced air heating. As a manufacturer of during the average shower (3 to 5 gallons per minute) the total both styles there are pro’s and con’s to be considered when amount of water consumed to humidify your home is not that choosing a type of humidifier. A drum style humidifier is much. typically 100% efficient in its use of water, meaning all the water it uses will be delivered to the air. A flow through humidifier’s efficiency will range anywhere from 20% to 40%, Question: I’m replacing an old humidifier on my furnace however this inefficiency is by design. The purpose of can I use the old components? allowing so much water to "flow through" is to continually flush the evaporator pad of impurities and mineral build up. Answer: You should replace all the components to ensure The cost of running and maintaining a flow through yearly good operation. You may be able to utilize the existing duct (cost of water, electricity & typically an evaporator pad) is cut outs for the new install however some reworking may be typically less than the cost of running and maintaining a drum required. style humidifier. Comment: As a rule we like to see you change all the components, particularly the water supply tube. As over time Question: What type of furnaces will this humidifier work on? minerals, solids, or sludge may have built up, these will very quickly clog the water inlet of the humidifier, or over time the Answer: The unit will work on most forced air furnaces tube may have become worn or leaky. Replace the bypass incorporating a heating source, a supply duct, and a return duct as well, there may be secondary dampers unseen which duct at least 10" in width. will block air or again there may be unseen wear. The same goes for electrical components or wiring these may be Comment: The technology used in this humidifier to deliver malfunctioning or worn out. Note: If you have a humidifier moisture to the air is not new, it is the simplest and easiest which was interlocked with your furnace (meaning the style, a bypass type evaporative humidifier. Your furnace fan humidifier only came on when the furnace came on) then the creates a pressure difference between the supply air (hot, high old transformer is wired in with your furnace. Do not attempt pressure) and return air (cold, low pressure). By installing a to disconnect this transformer from the furnace only bypass tube between the supply and return duct a small disconnect the low voltage side wires for the humidifier and amount of air is forced (via the pressure difference) to flow tape over the terminals. from the supply duct through the humidifier’s evaporator pad and back into the return duct. What will differ from furnace to furnace or home to home is how much moisture or capacity Question: I’ve installed the humidifier on my furnace and you will get from the unit. There are several factors which will it is functioning properly but I do not feel anything and affect this, how old is your home, how old is your furnace, humidistat reading is not changing, is the humidifier working? how well insulated is your home. For example, the capacity for this unit is 18 US gallons per 24 hrs of operation. This is Answer: As long as there is hot air going through the based on ARI standards (120’F hot air temp, 60’F water supply humidifier and there is water getting to the evaporator pad temp, 0.5" static pressure difference between supply & return moisture is being delivered to the air in your home. duct), used by all humidifier manufacturers. If your furnace is a hi efficiency or pulse type furnace the hot air temperature Comment: All year, and especially during the winter months may be less, or the length of time the furnace burner is on when many combustion appliance are operating in your may be less; therefore as a rule of thumb we would say you home, fresh outdoor air is required to ensure a healthy would get approx. 75% to 80% of rated output. environment for your family. Do not think of your home as a sealed bubble, no matter how well insulated, all homes breathe (some more than others). The cold dry outside air is Question: How much moisture does the humidifier mixing with the air in your home constantly, even when your deliver to the air in my home? furnace is not running. A furnace humidifier will work to offset the constant effect the dry outside air has on your Answer: This model will deliver 18 US Gallons (15 Imperial home, and your home’s furnishings. Throughout the winter gallons, 68 litres) per 24 hours of operation. there is a constant diminishing and replenishing of moisture levels in the home, conditions inside and out rarely remain Comment: 24 hours of operation means hours of humidifier stagnant for any length of time. operation. The humidifier is designed to operate only when Model 7000 Flow Through Humidifier 3 INSTALLATION AND OPERATING INSTRUCTIONS: MODEL 7000 FLOW THROUGH HUMIDIFIER • READ THESE INSTRUCTIONS FULLY BEFORE INSTALLING SELECTION OF LOCATION THIS PRODUCT. TO MOUNT THE HUMIDIFIER • SAVE THESE INSTRUCTIONS FOR REFERENCE. • WHEN DRILLING OR CUTTING INTO DUCTING BE All bypass type furnace mount humidifiers rely on the pressure EXTREMELY CAREFUL NOT TO DAMAGE AIR- difference which exists between the supply duct (hot air) and the CONDITIONING COILS OR OTHER FURNACE APPARATUS. return duct (cold air) to create an air flow through the humidifier’s evaporator pad. The air will ALWAYS flow from Hot • THIS UNIT MUST BE INSTALLED IN 10" WIDE DUCT (high pressure) to Cold (low pressure). MINIMUM. Selecting the proper location and installing the humidifier • FOR THIS UNIT TO OPERATE PROPERLY YOUR FURNACE properly as intended by the manufacturer is imperative for the SHOULD ACHIEVE A HEATING TEMPERATURE OF AT LEAST 35’C (95’F) IN ONE MINUTE. IF IT DOES NOT YOU MAY proper operation of the humidifier. See illustrations below along HAVE TO PURCHASE A SECONDARY ACTIVATION SWITCH with the brief explanations as to what a good installation is and (SOLD SEPARATELY). what is not. • DO NOT INSTALL THIS UNIT WHERE EXTREME •INSTALLATION TIP: Before starting fully plan out the TEMPERATURES EXIST (BELOW 8’C / 45’F OR ABOVE 63’C / installation. Check for the locations of the humidifier, 145’F). bypass collar & damper, and the humidistat and associated sensors. Plan the length and type of ducting • THIS UNIT REQUIRES A DRAIN TO ALLOW WATER TO FREELY RUN OFF. required, the water supply, the water drain, the electrical wiring, and a constant 120 volt outlet to plug in the • FOR THIS UNIT TO OPERATE PROPERLY IT MUST BE transformer. This will ensure your installation goes as INSTALLED ON A FORCED AIR HEATING SYSTEM WITH A easy and quickly as possible SUPPLY DUCT AND RETURN DUCT. • THE HUMIDIFIER BODY AND THE BYPASS COLLAR DAMPER ARE TO BE INSTALLED ON DUCTING ONLY. UNDER NO IDEAL INSTALLATION RETURN DUCT CIRCUMSTANCES MOUNT ANY COMPONENT TO THE Figure 1 COLD AIR SUPPLY DUCT FURNACE BODY. WARM AIR • ELECTRICAL WIRING, WATER SUPPLY, AND DRAIN TUBE MUST NOT KINK OR COME INTO CONTACT WITH SHARP EDGES OR HOT SURFACES. 10" wide duct minimum Damper fully open No more • IF REPLACING AN EXISTING FURNACE HUMIDIFIER, WE than 30" RECOMMEND YOU REPLACE ALL COMPONENTS TO ENSURE PROPER HUMIDIFIER OPERATION. • THE INSTALLATION OF THIS PRODUCT MUST COMPLY Bypass collar and WITH NATIONAL AND LOCAL ELECTRICAL, PLUMBING, unit level BUILDING, AND MECHANICAL CODES. Bypass tube pulled tight and cut to length REQUIRED TOOLS • Safety glasses • Work gloves Water flowing to drain • Electric or cordless drill • Drill bits (3/8", 1/8", 7/32”, 7/64") • Tin snips 1. The humidifier body and bypass tube are installed at eye level, • Full size Philips or Roberstons screw driver easily accessible for installation and routine maintenance. • Short handle Philips or Roberstons screw driver 2. The space between the humidifier body and bypass tube are no • Adjustable wrench more than 30" to ensure maximum air flow through the humidifier. • Utility knife 3. The supplied aluminum flex bypass tube are cut to the proper • Pliers length and pulled tight to ensure maximum air flow. • Level 4. The bypass damper is fully open. • Measuring tape or ruler 5. The humidifier is mounted level on the duct. • Medium-grit sand paper 6.
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