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Aprilaire 1150, 1160 FIGURE 1 Product Overview, TABLE 1 Electrical Specifications

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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” (DN20) copper

overflow and drain

Control wiring knockout

FIGURE 1 – Product OverviewTABLE 1 – Electrical Specifications

Model

number

Maximum

steam capacity

Current draw

(amps) Circuit

Breaker

(amps)

minimum

kW

Shipping weight

(includes packaging and

all materials in the box)

Operating weight

(humidiﬁer only, with

water in chamber)

Single-phase

lbs/hr kg/h 240V* lbs kg lbs kg

1150 12 5.4 16.7 25 4 70 32 67 30

1160 24 10.9 33.3 45 8 70 32 74 34

Note: Models 1150 and 1160 operate at 50/60 Hz.

* 208V single-phase may also be used but the steam capacity will be approximately 25% lower than the values above. It is recommended that the same size

circuit breakers be used with 208V single-phase as listed above for 240V.

Distribution Tube

Cover/shroud

Fill Valve

1/4” (DN8)

compression

fitting

Display panel

Field wiring terminal block

Internal controller board

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Contents

Main TABLE OF CONTENTS ATTENTION INSTALLER WARNING PRODUCT OVERVIEW FIGURE 1 Product Overview TABLE 1 Electrical Specifications FIGURE 2 Dimensions (pertains to Models 1150 and 1160) FIGURE 3 Mounting Hole Locations FIGURE 4 Distribution Tube Dimensions Page Page FIGURE 6 Model 1150 Wiring Diagram INSTALLATION APRILAIRE STEAM HUMIDIFIER MODEL 1150 SINGLE HEATER WIRING DIAGRAM ON/OFF CONFIGURATION FIGURE 7 Model 1160 Wiring Diagram APRILAIRE STEAM HUMIDIFIER MODEL 1160 DUAL HEATER WIRING DIAGRAM MODULATING CONFIGURATION Page TABLE 3 Factory Slide Switch Settings TABLE 4 Slide Switch S1 Settings by Model Page Page Page WARNING FIGURE 12 Distribution Tube Installation FIGURE 13 Page Page WARNING FIGURE 16 Model 1150: Input Wiring for Automatic Steam Humidifier Control (on/off configuration) FIGURE 18 Model 1160: Input Wiring for Optional 0-10 VDC Signal by Others FIGURE 19 Model 1160: Input Wiring for Optional 4-20 mA Signal by Others Page FIGURE 21 Field Piping Overview Showing Hose Drain Connection FIGURE 22 Field Piping Overview Showing Hard Pipe Drain Connections Page OPERATION WARNING MAINTENANCE CAUTION WARNING Page Page TROUBLESHOOTING Page Page Page Note: See page 37 for a listing of replacement part numbers. REPLACEMENT PARTS FIGURE 29 Display Panel Ribbon Connection FIGURE 30 Display Panel Connector Polarity FIGURE 31 Internal Controller Board FIGURE 32 Humidifier Replacement Parts TABLE 6 Replacement Parts (refer to Figure 32) APPENDIX ABSORPTION DISTANCE CALCULATION FIGURE 33 Aprilaire Steam Humidifiers Absorption Distance Chart TABLE 7 Moisture Content Factor WARRANTY Thank you!