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Preferred PF845411 Installation, Operation & Maintenance Manual

Fan-powered evaporative humidifier
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Preferred
TM
Fan-Powered Evaporative Humidifier
READ AND SAVE THESE INSTRUCTIONS
PF845411 & PF845412

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Summary of Contents for Preferred PF845411

  • Page 1 Preferred Fan-Powered Evaporative Humidifier READ AND SAVE THESE INSTRUCTIONS PF845411 & PF845412...

  • Page 2: Table Of Contents

    Clearances ............................. 4 Mounting............................4 4.3. Plumbing ............................6 4.4. Electrical/Wiring ..........................7 4.4.1 Wiring PF845411 (without water saving controls) .............. 7 4.4.2 Wiring PF845412 (with water saving controls) ..............7 5. Operation ..............................7 Preliminary Checkout ........................7 Starting and Stopping the humidifier ....................7 End Of Season Decommissioning....................

  • Page 3: Safety Warnings

    Otherwise, it is the date of manufacture plus Sixty (60) months. WARNING STANDARD PROVISIONS AND CONDITIONS The following terms are common to all of Preferred’s individual product Improper installation, adjustment, alteration, service, or main- warranties. tenance may cause property damage, injury, or death. This THIS WARRANTY WILL NOT APPLY: a) to defects or malfunctions re- appliance must be installed according to these instructions.

  • Page 4: Introduction

    3.1 Basic Operation Remember to select a location that is readily accessible for periodic inspection, cleaning, and service. The following table Your Preferred fan-powered evaporative humidifier oper- indicated the minimum allowable installation clearances. The ates on the principles of evaporation. Water is introduced to...
  • Page 5 DO NOT mount the humidifier in a furnace jacket. • DO NOT install on gravity hot air systems. • DO NOT connect a hot water supply to Preferred humidi- fiers that are equipped with water saving controls. (Model PF845412 with Water Saving Controls).

  • Page 6: Plumbing

    Failure to complete this task may result The Preferred PF845411/PF845412 humidifier requires a in faulty operation or leaks. 120 VAC source of electrical power. The unit is equipped with Ensure that the humidifier is level and plumb before pro- a line-cord so that this power source may be connected easily.
  • Page 7 WIRING NOTES Figure 7 AIR PROVING SWITCH ELECTRONIC MANUAL 4.4.1 Wiring Model PF845411(without water saving controls) HUMIDISTAT HUMIDISTAT Figure 10 Wiring the low voltage portion of the unit: Wiring the high voltage portion of the unit: Plug line cord into a source of 120 VAC electrical power. Pro- The source of 24 VAC (low voltage) comes from the HVAC sys- vide means of overload protection as required.

  • Page 8: Operation

    DANGER - RISK OF ELECTRIC SHOCK Before cleaning, servicing, or parts replacement, the unit must Once the PF845411/PF845412 is installed and ready to be start- be disconnected from all sources of electricity. ed, the humidistat and DIP switches on the control board within the humidifier unit must be confirgured.
  • Page 9 I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l there is no call for humidity.

  • Page 10: Control Board Faults & Reset

    I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l 6.2 Control Board Faults &...

  • Page 11: Troubleshooting Chart

    I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l 6.3 Troubleshooting Chart PF845412 (water saving units only) Problem/Symtom Probable Cause...
  • Page 12 I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l Figure 17 P r e f e r r e d M o d e l P F 8 4 5 4 11 / P F 8 4 5 4 1 2...
  • Page 13 I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l Figure 18 P r e f e r r e d M o d e l P F 8 4 5 4 11 / P F 8 4 5 4 1 2...
  • Page 14 I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l Figure 19 P r e f e r r e d M o d e l P F 8 4 5 4 11 / P F 8 4 5 4 1 2...
  • Page 15 THERMISTOR ASSEMBLY, APPROX. 9" 265628-001 POWER CORD, 6' 265807-001 MOTOR ASS'Y 265846-001 WIRING HARNESS ASSY, PF845412 (not shown) 265846-003 WIRING HARNESS ASSY, PF845411 (not shown) 265847-001 POWER CORD ASS'Y 265849-001 MOTORIZED RELAY/TERM. WIRE (not shown) 265160-002 HUMIDISTAT, ELECTRONIC (not shown) 265160-001...
  • Page 16 Preferred Products 4744 Island Ford Rd. | Randleman, NC 27317 www.askpreferred.com Form No. 265817-004 rev. 10182012 © 2011. All Rights Reserved.

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Pf845412

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