Aprilaire 1150 manual

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Table of contents for the manual

  • Page 1

    1 Safety , Installation, and Operation Manual Automatic Steam Humidifier Control READ COMPLETE INST ALLA TION INSTRUCTIONS BEFORE ST ARTING. WARNING 1. 240 volts may cause serious injury from electrical shock. Disconnect electrical power to the Steam Humidifier before starting installation. 2. Sharp edges may cause serious injury from cuts. Use car[...]

  • Page 2

    2 MEASURED %RH - SETPOINT %RH OUTPUT Note: The Proportional Control Band can be adjusted to 6%, 9%, 12%, or 15% RH. The factory setting of 12% is depicted at left. PROPORTIONAL CONTROL BAND 0 +6 -6 10 VDC 5 VDC 0 VDC FIGURE 1 – Modulating Control Output 90-890 R17 H+ 24V C I- I+ ODT H- 15 12 9 6 JP2 123 FIGURE 2 – On/Off Setting for Model 1150 [...]

  • Page 3

    3 AIR FLOW POSSIBLE DISPERSION TUBE LOCA TIONS AIR FLOW PROVING SWITCH AUTOMA TIC STEAM HUMIDIFIER CONTROL AIR FLOW SUPPL Y AIR PLENUM RETURN AIR DROP AIR FLOW SUPPL Y AIR DUCT HIGH LIMIT HUMIDITY SWITCH FIGURE 4 – Split System Installation 90-893 Outside Air Filters Heating Coil Cooling Coil Air Flow Proving Switch Duct High Limit Humidity Contr[...]

  • Page 4

    4 STEP 6: ROUTE THE WIRE TO CHOSEN SENSOR LOCA TION Run wire to the outdoor temperature sensor . Sensor is not affected by lead length up to 300 feet. Use standard thermostat wire. Do not run outdoor temperature sensor alongside wires carrying high voltage (120 V AC or higher). STEP 8: WIRE THE CONTROL TO THE HUMIDIFIER Wire the Control to the fiel[...]

  • Page 5

    5 OPERA TION NOTES FOR MODULA TING CONTROL FOR MODEL 1160 & 1180 CAUTION A high relative humidity setting on the Control may cause excessive condensation on windows and within walls. Set the relative humidity in accordance with the instructions in this manual. Do not set the relative humidity higher than recommended. As explained in the ‘Prin[...]

  • Page 6

    6 The recommended settings on the humidistat are based on years of research for an average building. (See ASHRAE Handbook – HV AC Systems and Equipment, Ch. 20 – Humidifiers.) Note: these settings may not be appropriate for every application. These settings represent a compromise between RH levels that would be most desirable for comfort reason[...]

  • Page 7

    Humidifier operates constantly • If the humidity level in the building is less than the knob setting or is within the proportional control band (Model 1160 and 1180 only), the Automatic Steam Humidifier Control will operate the humidifier until the humidity level is higher than the knob setting. • In the “T est” mode, verify unit will opera[...]

  • Page 8

    1015 E. Washington A ve. • Madison, WI 53703 Phone: 888/782-8638 • Fax: 608/257-4357 www .aprilairecontractor .com LIMITED WARRANTY Y our Research Products Corporation Aprilaire Automatic Steam Humidifier Control is expressly warranted for two (2) years from the date of installation to be free from defects. Research Products Corporation’ s ex[...]