York DM 078 用户手册
246645-YTG-C-0708
40
Johnson Controls Unitary Products
FIGURE 11 - FACTORY INSTALLED DOWNFLOW ECONOMIZER
FIGURE 12 - FIELD INSTALLED DOWNFLOW ECONOMIZER W/POWER EXHAUST
TABLE 41: ECONOMIZER USAGE
Application
Cabinet Height
Description
Model
Bottom Return
All
Downflow economizer with barometric relief
2EE04705424
Side Return
All
Horizontal economizer without barometric relief
2EE04705524
*
*
Barometric relief must be ordered separately and installed in duct work.
ERV or End Return
42"
Slab Economizer, 42” tall cabinet
2EE04705624
†
†
Barometric relief or fresh air hood not included. Must be ordered separately.
50"
Slab Economizer, 50” tall cabinet
2EE04705224
2EE04705424
Fresh Air Hood
2EE04705424
Fresh Air Damper
2EE04705424
Return Air Damper
2EE04705424
Barometric Relief Damper
2EE04705424
Barometric Relief Hood
2EE04705424
Fresh Air Hood
2EE04705424
Fresh Air Damper
2EE04705424
Return Air Damper
2PE047032XX
Power Exhaust
2EE04705424
Barometric Relief Damper
2EE04705424
Barometric Relief Hood