KRUEGER CRFF-E Installation Operation & Maintenance

Page: 19 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com Technical Notes (continued) Designs with Duct Collar, VAV or constant air box and fan coils For applications requiring powered fan filter units and a ducted connection our recommendation would be to use FFD, FFDR, or FFDRA units equipped with PSC motors. Caution FFDE, FFDER, and FFDERA units are not recommend for use with ducted systems, and cannot operate with inlet static pressure exceeding 0.30 in wg. Fo ...

Installation, Operation, & Maintenance for CRFF-E Series Page: 3 of 26 Critical Operation Conditions of the CRFF-E, CRFF-E-ARS and CRFF-E-ARSM 1. Touching of the HEPA filter could damage it, voiding the warranty on the filter. The screen is only to protect against an accidental ‘touch’ of the filter. Never place a hand or tool on the filter. Never lay the filter face flat down on a surface always have filter on its side or back to protect from damage 2. Prior to powering th ...

Page: 18 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com Old Cable Style Old Cable Style New Cable Style Technical Notes Changing out from GE 2.3 to Nidec PerfectSpeed DC Motors in the field The Krueger family of Fan Filter Units has previously used the GE 2.3 motor that was purchased by Regal Beloit. The older models have GE 2.3 motors that have become obsolete and are replaced with the new Regal Beloit model EON. The EON motor is currently being evaluated and y ...

Page: 25 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com CRFF-E-ARS and CRFF-E-ARSM Filter Drawing ...

Page: 2 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com Table of Contents. Installation ....................................................................................................................................................................4. Unit Control Box ..........................................................................................................................................................5. Universal Control Card Set Up......... ...

Page: 23 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com Replacement Parts List Model Size/Voltage Description Part Number N/A Disconnect Switch 63739-002 N/A Pre-filter (foam) 62981-001 N/A Deflector - Filter 38532-001 N/A Gasket, Neop .125x.5 62968 N/A Grommet 5/8 Id 1 1/8 Od 63388 N/A Choke 3.0 Amps 63720 120V 63677 208V-240V 63666 277V 63665 N/A Blower Wheel 63270 N/A Ventiri Ring 62964 N/A Universal Control Card (CRFF-E, CRFF-E-ARS, CRFF-E-ARSM) 265888 N/A V ...

Page: 17 of 26 Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com Removal and Installation of the CRFF-E-ARSM with Access Room Side Motor Disconnect the unit from the electrical power source before attempting any service. Electrical service should be performed by licensed electricians or authorized KRUEGER service technicians. 1. To gain access to the motor, remove the gel seal filter (See Figure 5) 2. Prior to removing motor/blower assembly, remove blower wheel to expose ...