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HE120 By-pass Drum Humidifier
INSTALLATION INSTRUCTIONS
Contents
Unpacking the Unit .................................................................................................................................................................... 2
Before You Begin ...................................................................................................................................................................... 4
STEP 1: Determine Best Location ...............................
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HE120 BY-PASS DRUM HUMIDIFIER UNPACKING THE UNIT This box contains all of the parts necessary to install your new Honeywell HE120 Humidifier in most installations. Before continuing, please take the time to familiarize yourself with these components. • Humidifier Housing • Motor Plate • Humidifier Pad • Humidifier Cover • Humidistat • Float Valve • Water Pan (Installed on Humidifier • Motor Cover Housing) • Humidifier Accessory Bag (Plastic Bag) • Humidistat Installation Kit (Small Bag in
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HE120 BY-PASS DRUM HUMIDIFIER • Open Drum End • Closed Drum End U 18-gauge two-strand thermostat wire (20 ft.) V 1/4 in. plastic water tubing (20 ft.) W 3/8 in. inside diameter, 1/2 in. outside diameter plastic Overflow Tube (10 ft.) [Not Included] • Bypass Duct X Plug-in Transformer (6 in. dia. Y Duct Tape (10 yds.) Flexible) • Installation Accessory Kit (Plastic Bag) • Bypass Collar • Damper • Saddle Valve Kit (Small Plastic Bag) Z Wire Nuts (x4) AA 1/2 in. Tube Clamp (smaller) BB #8 x 3/4
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HE120 BY-PASS DRUM HUMIDIFIER BEFORE YOU BEGIN When Installing this Product… 1. Read these instructions carefully. Failure to follow them NOTE: The Bypass Duct can be connected to either side of could damage the product or cause a hazardous condi- the Humidifier Housing. See Fig. 2. tion. 2. Installation of this Humidifier requires several steps. 2. Select a location for the Bypass Collar on the opposite Read and understand instructions completely before duct. See Fig. 1. (The Humidifier is de
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HE120 BY-PASS DRUM HUMIDIFIER 3. Select a location for the Humidistat. NOTE: Every installation is unique. Please ensure that • Humidistat can be mounted on the return duct or on water, power, and drain are available before install- the wall in the main living space. (Return duct ing the device. In some cases, additional wire, tub- mounting is easiest for installing wiring.) ing, or duct may need to be purchased in order to • For return duct mounting, the Humidistat must be correctly install t
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HE120 BY-PASS DRUM HUMIDIFIER MOUNTING HOLES STARTING HOLE M13618 M13619 MOUNTING HOLES Fig. 6. Marking Mounting Hole locations. 10. Place the Humidifier Housing over the screws, level the housing and tighten the three screws. See Fig. 7. 11. Secure the bottom of the Humidifier Housing using two #8 x 3/4 in. Sheet Metal Screws. Fig. 5. Cutting Humidifier opening. 6. Disassemble the Humidifier; remove the cover by lifting up on the front edge and take out the drum components, Water Pan, and M
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HE120 BY-PASS DRUM HUMIDIFIER 2. Trace around the inside of the collar and mark the loca- STEP 3: INSTALL BYPASS COLLAR tion of the mounting holes with a marker. 3. Remove the collar and carefully cut out the circular opening using tin snips. See Fig. 9. (Use a drill to start the cut in the middle of the circle. Cut in an outward spi- WARNING ral to assist in controlling the cut.) Hazardous Voltage. Can cause personal injury or equipment damage. Do not cut or drill into any air conditioning
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HE120 BY-PASS DRUM HUMIDIFIER 4. Pre-drill the mounting holes using a 1/8 in. drill bit. If you 5. If you are installing the Optional Damper, place a #8 X are installing the optional Damper, do not drill the hole 3/4 in. Sheet Metal Screw through the Bypass Collar where the damper blade will swing. See Fig. 10. and Damper, as shown in Figure 11. BENT UP EDGE OF DAMPER SHEET METAL OPTIONAL OPEN SCREW (PIVOT SCREW) DAMPER CLOSE PIVOT DO NOT DRILL HOLE IN POINT THIS SCREW DAMPER LOCATION I
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HE120 BY-PASS DRUM HUMIDIFIER 3. Secure Bypass Duct to Humidifier using at least three STEP 4: INSTALL BYPASS DUCT #8 x 3/4 in. Sheet Metal Screws. See Fig. 14. Drill pilot holes using 1/8 in. drill bit.) CAUTION Sharp Edges Installation Hazard. Can cause personal injury. Wear gloves and safety glasses. 1. Carefully stretch out flexible Bypass Duct between Bypass Collar and Humidifier. See Fig. 12. Fig. 14. Connecting Bypass Duct to Humidifier. 4. Seal both duct connections with Duct Tape.
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HE120 BY-PASS DRUM HUMIDIFIER 3. Slide Humidifier Pad over closed drum end posts. STEP 5: ASSEMBLE HUMIDIFIER See Fig. 18. DRUM 1. Slide Closed Drum End over Drum Shaft with round posts facing away from metal tabs. See Fig. 16. (Slots in cone end should rest over metal tab.) METAL TAB Fig. 18. Installing Humidifier Pad. 4. Slide Open Drum End over Drum Shaft with round posts SLOT IN inside Humidifier Pad. See Fig. 19. CLOSED DRUM END 5. Secure Open Drum End to shaft using Spring Retainer
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HE120 BY-PASS DRUM HUMIDIFIER 5. Place motor lead wires through bottom hole of Motor STEP 6: ASSEMBLE HUMIDIFIER Cover and snap into place on outside of Humidifier. See Fig. 22. 1. Position the Bearing Bracket inside the Humidifier Housing to the side where the Bypass Duct is con- nected. Make sure the “U” shape is pointing up. See Fig 20. “U” SHAPE FACES UP Fig. 22. Installing Motor Cover. 6. Install the Float Valve to the Humidifier Housing on the SNAP TABS M13624 INTO PLACE same side as
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HE120 BY-PASS DRUM HUMIDIFIER 8. Insert the Drain Fitting into the bottom of the Humidifier on the same side as the Bypass Duct. See Fig. 27. DRAIN MOTOR FITTING FLOAT FLOAT VALVE M13626 Fig. 24. Correct Float Valve position. M13628 Fig. 27. Installing Drain Fitting. HUMIDIFIER HOUSING WALL 9. Place the Water Pan in the Humidifier Housing so Over- flow Tube is above previously installed Drain Fitting. See Fig. 28. FLOAT VALVE RETAINING NUT OVERFLOW FLOAT VALVE STEM TUBE FLOAT VALVE WASHER M
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HE120 BY-PASS DRUM HUMIDIFIER 11. Snap Humidifier Cover into place. IMPORTANT Do not turn handle before or while installing the sad- dle valve. Be sure the piercing lance does not pro- trude beyond the rubber gasket. Failure to do this STEP 7: INSTALL DRAIN may damage piercing needle. To prevent debris from clogging the Float Valve, do not install the saddle valve with the handle pointing CAUTION toward the floor. Water Hazard. Can result in water damage to property. NOTE: This saddle valve
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HE120 BY-PASS DRUM HUMIDIFIER a. For 3/8 in. diameter copper tubing use bracket side 3. Turn the handle to expose the lance beyond the gasket with projections to prevent distorting tube. no more than 3/16 in. See Fig. 34. See Fig. 33. 4. Place valve body over hole such that lance fits into the b. Use “V” side of bracket for all other size tubing. drilled hole in the pipe. 5. Tighten bottom clamp evenly. Brackets should be paral- lel. See Fig. 32. BRACKET SIDE 6. Turn handle clockwise to close
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HE120 BY-PASS DRUM HUMIDIFIER 2. Slide the Plastic Compression Sleeve over the Tubing. STEP 9: INSTALL WATER LINE 3. Install Brass Insert into end of Plastic Water Tubing. NOTE: To prevent leaking, use Plastic Compression Sleeve only with Plastic Tubing and Copper Compression CAUTION Sleeve only with copper tubing. Water Hazard. Can result in water damage to property. 4. Insert the tubing into the saddle valve fitting. Properly secure water line along route to prevent 5. Support the valve wh
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HE120 BY-PASS DRUM HUMIDIFIER 3. Refer to Fig. 37, and use the following steps to cut the STEP 10: INSTALL HUMIDISTAT Humidistat mounting hole. a. Drill a 1/2 in. hole in the center of the template. b. Use tin snips to cut the opening along the dotted lines. WARNING c. Drill four 7/64 in. mounting holes Hazardous Voltage. Can cause personal injury of equipment damage. DRILL A 1/2 IN. (13 mm) Do not cut or drill into any air conditioning or electrical HOLE IN CENTER accessory. OF TEMPLATE.
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60 10 HE120 BY-PASS DRUM HUMIDIFIER 5. Unscrew Back Cover of the Humidistat and remove. 9. Use four #6 x 1 in. Sheet Metal Screws to secure the See Fig. 39. assembly to the duct through the mounting holes. See Fig. 42. DUCT GASKET SHEET METAL Fig. 39. Removing Humidistat Back Cover. SCREWS (4) SETPOINT DIAL CONTROL 6. Snap two Screw Terminals over the blade terminals on M12841A ASSEMBLY the Control Assembly. See Fig. 40 Fig. 42. Securing Humidistat to Duct. 10. Push the Setpoint Dial knob on
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60 10 HE120 BY-PASS DRUM HUMIDIFIER 4. Plug the hole with nonflammable insulation to prevent drafts from affecting the control. WALL 5. Unscrew the Back Cover of Humidistat and remove. See Fig. 39. 6. Unscrew the two Base Plate screws and remove the Control Assembly. See Fig. 44. BASE PLATE SCREWS BASE PLATE WITH CONTROL ASSEMBLY MOUNTED SHEET METAL M13635 SCREWS (4) Fig. 46. Mounting Humidistat. M13634 12. Remove the backing and adhere the Humidistat Label to the recessed area of the fron
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HE120 BY-PASS DRUM HUMIDIFIER 4. At the transformer, connect both white conductors to the STEP 11: WIRING two transformer terminals. See Fig. 50. WARNING Hazardous Voltage. Can cause personal injury of equipment damage. Disconnect power supply before installing or servicing equipment. IMPORTANT All wiring must comply with applicable code, ordi- nances and regulations. 1. Run the 18-gauge two-strand Thermostat Wire from the Humidistat to the Transformer near a wall outlet and cut to length.
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HE120 BY-PASS DRUM HUMIDIFIER STEP 12: TESTING AND CHECKOUT 1. Complete the following checklist: Humidifier is level. Bypass Collar is secured with Sheet Metal Screws. Damper is open (If installed). RAISE Control wiring was reviewed per wiring diagram. (Fig. 51). LOWER WATER LEVEL WATER LEVEL Water supply line has no kinks. (COUNTER- (CLOCKWISE) CLOCKWISE) Overflow drain line slopes continuously down, does not have kinks, and ends at floor drain or bucket. 2. Plug in transformer. 3. Ope
