MTD 127-335A User Manual download pdf (Page 25)

RoofPak Singlezone; RCS,RDT,RFS,RPS 080-135 “C” Rev. AD 07/12 RPL 700007000 / Page 25

Section A- Outdoor/Return Air Section

0- 100% Economizer Section with Barometric Exhaust Damper

Units without Return Air Fans

C20= DE, DY, EE, EY, FE, FY, GE, or GY, C21= YYYY

Ref Part Part Qty.

No. Description Number

11 Economizer Damper

w/Act.(C20= DE, EE, FE, GE) 055941103 1

w/o Act. (C20= DY, EY, FY, GY) 055941102 1

12 Exhaust Damper Assy

until 1/05

Powered (C20= EE, EY, GE, GY) 055929902 1

Barometric (C20= DE, DY, FE, FY) 055929901 1

Exhaust Damper Assy

1/05 & later

Powered (C20= EE, EY, GE, GY) 112040401 1

Barometric (C20= DE, DY, FE, FY) 112039601 1

N/S Isolation Damper C19= BE only

055942906 1

N/S= Not Shown on diagram.

Economizer with actuator (C20= DE, FE, GE, HE) requires MicroTech Controls. Without actuator (C20= DY, FY,

GY, HY), requires controls by others (C12= YM, YC). Economizer detail two pages after next.

Powered Exhaust Damper (until 1/05) detail follows the Economizer Damper detail.

Details follow exhaust damper section.

Back Return (C19= HY) shown.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 290 291

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MTD 127-335A User Manual Page 25