Aprilaire 1150 Manuale Utente

Steam HumidifierModels 1150 and 1160Installation, Operation, and Maintenance ManualHumidifierREAD AND SAVE THESE INSTRUCTIONS

AA-LW420-2FIGURE 7 – Model 1160 Wiring Diagram 

SETTING SLIDE SWITCHESIMPORTANT: Slide switch on-off positions 1 through 16 are preset at the factory. These settings are determined by output capacit

TABLE 3 – Factory Slide Switch SettingsSlide switch S1 Slide switch S2Position Factory setting My setting Position Factory setting My setting1 Off 9 O

Humidifier LocationWhen selecting the location of the humidifier, consider the following:• Proximity to duct To avoid having to install a drain at t

DISTRIBUTION TUBE AND CONTROL DEVICES LOCATION OPTIONSCHOOSING A DISTRIBUTION TUBE LOCATIONWhen installing a steam humidifier on a split system, there



DISTRIBUTION TUBE INSTALLATIONAfter the location for the distribution tube has been identified, follow the steps below and refer to Figure 12 to insta

OM-4008DuctDistribution tubeHumidifier Secure and seal face platesMounting nut 3/8” - 16Tube pitch: 2”/ft (15%)Steam hose; do not exceed 10’ (3 m) in

MOUNTING THE HUMIDIFIERMounting the humidifier on the wallWhen mounting on a wood stud wall (studs 16” [406 mm] on center), locate studs and position

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 sizi

PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Materials Provided and Not Provided . . . . . . . . . . . . . . . . .

OM-4007Fused disconnect Power supply FIGURE 14 – Line Power Wiring RequirementsWARNING 240 volts may cause serious injury or death

Control input wiringThe internal controller offers four input control types, which are field adjustable. The factory default control type for Model 11

90-918FIGURE 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 th

Notes:• Dashed lines indicate provided by installer.• The water supply inlet is more than 1” (25 mm) above the skim/overflow port, eliminating the p

Notes:• Dashed lines indicate provided by installer.• The water supply inlet is more than 1” (25 mm) above the skim/overflow port, eliminating the p

DISTRIBUTION DRIP TEE INSTALLATIONIf the humidifier cannot be mounted below the steam distribution tube, such that there is a minimum 2”/ft (15%) pitc

After the system is properly installed and connected to both electrical and water supplies, it can be started.START-UP PROCEDURE: MountingBefore filli

Water Supply• Turn water supply on; confirm drain valve is closed.Power• Turn the supply power on. – Verify that the On/Off indicator light illu

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

PRODUCT OVERVIEWAprilaire Steam Humidifiers create steam by boiling water inside a steam chamber. This is accomplished by the transfer of energy from

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

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 i

TROUBLESHOOTINGProblem Possible Cause ActionAll indicator lights are blinking sequentially from right to leftThe humidifier is in a forced cool-down pe

Problem Possible Cause ActionThe On/Off light on the display panel is blinking slowly (one blink per second)Mineral buildup or oxidation on probe rods

Problem Possible Cause ActionHeater burnoutImproper wiring • Verify proper voltage applied to heater.• Verify proper electrical connections.Water le

Problem Possible Cause ActionHumidity below desired levelNo humidity demand signal from humidistat• Low or no signal from humidistat. Check for prope

Connector tab on ribbon cableProgramming port factory use onlyInternal controller boardOM-2031Note: See page 37 for a listing of replacement part numb

OM-4040

APPENDIX – ABSORPTION DISTANCE CALCULATIONStep 1: Enter the Design ConditionsPercentage of Outdoor AirOA:Indoor Air TemperatureTIndoor:Setpoint Indoor

 

OM-4006Removable steam chamberImmersion heaters (1 in Model 1150, 2 in Model 1160)Electrical power area1½” (DN40) flexible steam hoseDuctElectrical c

1015 E. Washington Ave. • Madison, WI 53703 • Phone: 888/782-8638 • Fax: 608/257-4357 • www.aprilairecontractor.com61000129B2203603AWARRANTYPlease… Ta

OM-4018FIGURE 2 – Dimensions (pertains to Models 1150 and 1160)6.50”(165 mm)VentingChamber drainSteam outlet 11.89”(302 mm)TOP VIEWPower wire knockout

90-914FIGURE 3 – Mounting Hole Locations90-912, 90-913FIGURE 4 – Distribu

INTERNAL CONTROLLERThe internal controller within the humidifier cabinet responds to external inputs (e.g., humidistat and airflow proving switch) and

TABLE 2 – Display Panel Light IndicationsIndicator light(s) Status DescriptionAllBlinking sequentially from right to leftThe humidifier is in a forced

AA-LW420-1FIGURE 6 – Model 1150 Wiring DiagramINSTALLATION