Manuale d’uso / di manutenzione del prodotto 1150 del fabbricante Aprilaire
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Steam Humidifier Models 1150 and 1160 Installation, Operation, and Maintenance Manual Humidifier READ AND SA VE THESE INSTRUCTIONS.
PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Materials Provided and Not Provided . . . . . . . . . . . . . . . . . . 3 Electrical Specifications, Capacities and Weights . . . . . . . . 4 Dimensions . . . . . . . . . .
PRODUCT OVERVIEW Aprilaire Steam Humidifiers create steam by boiling water inside a steam chamber. This is accomplished by the transfer of energy from electric heating elements to the water inside the chamber. A three-level water probe is used to determine when to turn on and off a water fill valve in order to bring water into the chamber.
OM-4006 Removable steam chamber Immersion heaters (1 in Model 1150, 2 in Model 1160) Electrical power area 1½” (DN40) flexible steam hose Duct Electrical controls area Power wiring knockout ¾” (.
OM-4018 FIGURE 2 – Dimensions (pertains to Models 1150 and 1160) 6.50” (165 mm) Venting Chamber drain Steam outlet 11.89” (302 mm) TOP VIEW Power wire knockout Control wire knockout LEFT SIDE VIEW FRONT VIEW BOTTOM VIEW 1.00” (25 mm) 3.09” (78 mm) 24.
90-914 FIGURE 3 – Mounting Hole Locations .
INTERNAL CONTROLLER The internal controller within the humidifier cabinet responds to external inputs (e.g., humidistat and airflow proving switch) and internal inputs (e.
TABLE 2 – Display Panel Light Indications Indicator light(s) Status Description All Blinking sequentially from right to left The humidifier is in a forced cool-down period prior to a required automatic drain sequence. Normal operation On/Off (switch) On Power is on.
AA-LW420-1 FIGURE 6 – Model 1 150 Wiring Diagram INST ALLA TION .
AA-LW420-2 FIGURE 7 – Model 1 160 Wiring Diagram .
SETTING SLIDE SWITCHES IMPORTANT: Slide switch on-off positions 1 through 16 are preset at the factory. These settings are determined by output capacity, water type, and demand signal type.
TABLE 3 – Factory Slide Switch Settings Slide switch S1 Slide switch S2 Position Factory setting My setting Position Factory setting My setting 1 Off 9 Off 2 Off 10 See Table 4 Do not change. 3 Off 11 Off Do not change. 4 Off 12 Off Do not change. 5 See Table 4 Do not change.
Humidifier Location When selecting the location of the humidifier, consider the following: • Proximity to duct To av oid h avi ng to in stal l a dra in at th e dist rib utio n tube in the d uct , the di stri but ion tu be mu st be mo unte d at an el eva tion hig her than th e humi dif ier.
DISTRIBUTION TUBE AND CONTROL DEVICES LOCATION OPTIONS CHOOSING A DISTRIBUTION TUBE LOCATION When installing a steam humidifier on a split system, there are three locations that can be used to mount the steam distribution tube: the supply plenum (Location A), the return duct (Location B), or a supply branch (Location C).
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DISTRIBUTION TUBE INSTALLATION After the location for the distribution tube has been identified, follow the steps below and refer to Figure 12 to install the distribution tube in the duct. 1. Cut or drill a 1 5/8” diameter opening in the duct. 2. Drill a 3/8” hole in the opposite surface of the duct so that the distribution tube has a 2”/ft.
OM-4008 Duct Distribution tube Humidifier Secure and seal face plates Mounting nut 3/8” - 16 Tube pitch: 2”/ft (15%) Steam hose; do not exceed 10’ (3 m) in length Hose pitch: 2”/ft (15%) FIGURE 12 – Distribution Tube Installation 90-915 FIGURE 13 Mounting bolt 3/8” - 16 x 1/2” 4.
MOUNTING THE HUMIDIFIER Mounting the humidifier on the wall When mounting on a wood stud wall (studs 16” [406 mm] on center), locate studs and position lag bolts in place so that each of the bolts centers on a stud. Mark hole locations and predrill ¼” (6 mm) diameter pilot holes.
Below are field wiring connections: • Connect to line power. Refer to the wiring diagram or the dataplate on the outside of the cabinet for wire sizing amperage. • Connect to control signal wiring. (from the Automatic Steam Humidifier Control or from signal by others).
OM-4007 Fused disconnect P ow e r s up p ly FIGURE 14 – Line Power Wiring Requirements WARNING 240 volts may cause serious injury or death from electrical shock. Shut off power at main breaker before installing supply wiring for humidifier.
Control input wiring The internal controller offers four input control types, which are field adjustable. The factory default control type for Model 1150 is the Automatic Steam Humidifier Control, on-off configuration as shown in Figure 16 .
90-918 FIGURE 18 – Model 1160: Input Wiring for Optional 0-10 VDC Signal by Others .
Description: The airflow proving switch is a safety device that will prevent the humidifier from producing steam when there is no airflow present in the HVAC system. The switch is a pressure differential measuring device that determines if there is airflow present based on the pressure differential between the HVAC system and atmosphere.
Notes: • Dashed lines indicate provided by installer. • The water supply inlet is more than 1” (25 mm) above the skim/overflow port, eliminating the possibility of backflow or siphoning from the chamber. No additional backflow prevention is required; however, governing codes prevail.
Notes: • Dashed lines indicate provided by installer. • The water supply inlet is more than 1” (25 mm) above the skim/overflow port, eliminating the possibility of backflow or siphoning from the chamber. No additional backflow prevention is required; however, governing codes prevail.
DISTRIBUTION DRIP TEE INSTALLATION If the humidifier cannot be mounted below the steam distribution tube, such that there is a minimum 2”/ft (15%) pitch along the entire hose length, a drip tee as shown below must be installed.
After the system is properly installed and connected to both electrical and water supplies, it can be started. START-UP PROCEDURE: Mounting Before filling with water, check mounting to verify that the steam chamber is level and securely supported. Refer to Maintenance Section, page 29, for details on securing the steam chamber.
Water Supply • Turn water supply on; confirm drain valve is closed. Power • Turn the supply power on. – Verify that the On/Off indicator light illuminates along with the Fill indicator light.
D. If the steam chamber is cool to the touch, skip to Step 1E. If the chamber is hot, the water must be cooled down before draining and handling of the chamber. This can be accomplished by allowing sufficient time for the chamber to become cool enough to handle.
2. Remove the steam chamber (see Figure 25 for drawing item numbers): • Hold up on the bottom of the steam chamber (Item 6 in drawing) and remove the top mounting nuts (Items 2 and 3). • Hold up on the bottom of the steam chamber while removing the bottom mounting nut (Item 4).
11. Turn on the electrical power. 12. Allow the steam chamber to fill with water and initiate a humidity demand signal (see Figure 28 for drawing item numbers). • IMPORTANT: Verify that the gasket seal is not leaking prior to leaving the humidifier unattended.
TROUBLESHOOTING Problem Possible Cause Action All indicator lights are blinking sequentially from right to left The humidifier is in a forced cool-down period prior to a required automatic drain sequence. • This is normal operation. DO NOT RESET POWER.
Problem Possible Cause Action The On/Off light on the display panel is blinking slowly (one blink per second) Mineral buildup or oxidation on probe rods • Remove probe assembly and clean probe rods; reset power to clear warning. Deterioration of probe rod assembly • Replace probe rod assembly.
Problem Possible Cause Action Heater burnout Improper wiring • Verify proper voltage applied to heater. • Verify proper electrical connections. Water level is too low.
Problem Possible Cause Action Humidity below desired level No humidity demand signal from humidistat • Low or no signal from humidistat. Check for proper wiring. • No demand signal by others. • If using Automatic Steam Humidifier Control in the Automatic Mode and the temperature outside is greater than 60°F, the unit will not operate.
Connector tab on ribbon cable Programming port factory use only Internal controller board OM-2031 Note: See page 37 for a listing of replacement part numbers.
OM-4040 .
APPENDIX – ABSORPTION DIST ANCE CALCULA TION Step 1: Enter the Design Conditions Percentage of Outdoor Air OA: Indoor Air Temperature T Indoor : Setpoint Indoor RH (for the leaving air) RH Leaving : Step 2: Find the ‘Moisture Content Factor’ for the leaving air ( M Leaving ) In Table 7, find the intersection of T Indoor and RH Leaving .
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1015 E. Washington Ave. • Madison, WI 53703 • Phone: 888/782-8638 • Fax: 608/257-4357 • www.aprilairecontractor.com 61000129 B2203603A W ARRANTY Please… Take a few minutes to visit us on-line at www.aprilairecontractor.com to register your Aprilaire product.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Aprilaire 1150 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Aprilaire 1150 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Aprilaire 1150 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Aprilaire 1150 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Aprilaire 1150, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Aprilaire 1150.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Aprilaire 1150. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Aprilaire 1150 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
