MODEL MUA TEMPERED MAKE-UP AIR UNITS

MUA tempered make-up air units are available in four housing sizes incorporating eight blower sizes (9" through 20" single blowers and 18" through 20" twin blower units) with a wide variety of heating and/or cooling options, air flow capacities from 600 to 30,000 CFM,  and total static pressures up to 4" W.G. 

These units are offered in a choice of three housings and five curb/mounting arrangements with three discharge orientations.
 

STANDARD CONSTRUCTION
STANDARD CONSTRUCTION
AVAILABLE MODELS
AVAILABLE MODELS
OPTIONS AND ACCESSORIES
OPTIONS AND ACCESSORIES

HOUSING

  • Heavy gauge weather proof galvanized steel housing
  • 1” thick 3# density fiberglass insulation
  • Large gasketed access panels with draw tight tooled fasteners
  • Heavy gauge base frame with lifting lugs
  • Intake hood with bird screen
  • V-bank filter rack
  • 1” permanent filters
  • Down discharge
  • Coil section

BLOWER SECTION

  • Forward curved double width, double inlet blowers
  • Statically and dynamically balanced blower wheels
  • Precision machined shafts and sealed ball bearings
  • Adjustable motor mount and drives with belt selected for 165% of motor horsepower
  • NEMA frame ODP motor
  • Three phase 1 HP and above motors are EPACT high efficiency rated
  • Blower and motor mounted on vibration isolators
   
SUBMITTAL
SELECTION GUIDE &
PERFORMANCE DATA
 
SPECIFICATIONS
MUA PDF PDF VIEW / WORD / PDF
MUA Vertical Flow PDF PDF VIEW / WORD / PDF
MUA Roof Curb Arrangements PDF    
       
OTHER INFORMATION:      
MUA Fan Installation and Maintenance Manual (PDF)
Evaporative Cooling Module I & M Manual (PDF)
Heating & Cooling Coil I & M Manual (PDF)

HOUSING

  • Flat filter section in intake hood
  • Delete intake hood
  • Foil faced insulation
  • Double wall insulation
  • Painted housing
  • Stainless steel housing
  • End discharge
  • Top discharge
  • Duct adaptor
  • Four way discharge head
  • Floor rubber in shear isolators
  • Hanger spring isolators
  • Vertical unit
  • Equipment stand for vertical unit

FILTERS

  • 2” permanent filters
  • 1” disposable filters
  • 2” disposable filters
  • 1” 30% filters
  • 2” 30% filters

MOTORS

  • TEFC
  • Two speed, two winding
  • Two speed, one winding (three phase)
  • Premium Efficiency (three phase)

MOTORIZED DAMPER

  • Low leakage opposed blade damper
  • Two position spring return actuator
  • Intake or discharge mounting
  • End switch
  • Return air damper with numerous actuator options

CONTROLS

  • Fan disconnect switch (non-fusible or fusible)
  • Single point pre-wired motor control center with main fusible disconnect, starter(s) and fused transformer (located within unit or remotely)
  • Exhaust fan starter
  • Remote control panel
  • Remote control panel with indicator lights
  • Low temperature limit switch (freeze stat)
  • Mild weather thermostat (inlet air sensor)
  • Clogged filter switch with indicator light
  • Convenience outlet (service receptacle)
  • Time delay relay
  • Time clock (seven day)
  • Smoke detector
  • Variable air volume with frequency drive

COOLING

  • Chilled water coil, ARI 400 tested, copper tubes with aluminum fins
  • DX coil, ARI 400 tested, copper tubes with aluminum fins
  • Evaporative cooling with microprocessor controls

HEATING

  • Hot water coil, ARI 400 tested, copper tubes with aluminum fins
  • Steam coil, ARI 400 tested, copper tubes with aluminum fins
  • Open coil electric heaters, CSA & NRTL/C Listed in compliance with CSA Std. C22.2 No. 155-M1986 & UL Std. No. 1986, with various control options available

Contact the factory for any other options or accessories not listed.


AVAILABLE FAN & MAKE-UP AIR UNITS: