Indirect Fired Standard Features
Construction
- ETL Listed
- Primed welded structural steel base
- G-90 Galvanized Casing
- Single wall access doors
- Internally mounted motor, burner, and controls
- Pre-piped, pre-wired, and factory tested
- Sectioned units may require field assembly, wiring, and piping
- Lifting provisions
- Multiple configurations
Fan & Motor
- DWDI forward curve industrial type blower(s)
- Solid turned ground and polished shaft
- Self aligning bearings
- Premium E ODP blower motor with 1.15 service factor
- Motor starter & overload protection
- Adjustable motor base
- Variable pitch drive up to 30 HP (Except when VFD is utilized)
Burner
- 409 S.S. tubular or drum and tube
- ANSI Z83.8 / CSA 2.6 gas train
- Continuous flame supervision
- Air proving burner safety switch
- High gas pressure switch
- High temperature limit
Controls
- Non-Fused door interlocked disconnect switch
- Discharge air temperature control, with remote set-point & summer-off-winter selector switch
- Auxiliary contacts for exhaust fan interlock
- Control voltage transformer
Indirect Fired Optional Features
Construction
- Double wall access doors with extruded aluminum frames (rated to 8" w.c.)
- 1” 1.5#, 2” 1.5#, 2” 3#, 2" R-7.7, or 2” R-13 insulation
- G-90 galvanized, perforated G-90 galvanized, or stainless steel liner
- Enamel, Epoxy, or Heresite coatings
- Custom configurations and dimensions
- Built-in or separate chilled water or DX cooling coil module
- Built-in or separate direct evaporative cooler module
- Packaged DX cooling
- Flat plate cell energy recovery section
- Enthalpy wheel energy recovery section
Accessories
- Mixing Box
- Intake air hood w/ bird screen
- Intake damper (standard or low leak)
- Discharge damper (standard or low leak)
- Discharge diffuser
- Roof curb
- Service platform
- Service lights
- GFI service outlet
- V-Bank intake filter section
- 1" or 2" Cleanable filters
- Linked panel MERV-8 filters
- 2" pleated MERV-8 filter
- Flat bank final filter section
- 2" Pleated MERV-8 filters
- 4" Pleated MERV-11 to 14 filters
- 12" Cartridge MERV-11 to 16 filters
- Bag Filters MERV-9 to 14 filters
- 12" Carbon odor control filters
- 12" HEPA 99.97 to 99.99% filters
Fan & Motor
- BIDW or AFDW Industrial centrifugal fan
- BISW or AFSW Industrial centrifugal fan
- Commercial or industrial plenum fan
- Commercial or industrial plug fan
- TEFC, Severe Duty or EXP Motors
- AMCA A, B, or C Spark Resistant
- Motor and bearings outside air stream
- Spring or neoprene isolation
Burner
- 304 S.S. tubular or drum and tube indirect-fired heat exchanger
- IRI or FM insurance compliance
- Burner on/off economizer ductstat
- Low temperature freezestat
- High gas pressure regulator
Controls
- Fused door interlocked disconnect switch
- Room temperature control
- Variable Air Volume
- Supply fan VFD
- DDC control system
- PLC control system
- Operation indication lights
- Circuit analyzer indication lights
- Clogged filter switch
- Smoke detector