Economizer Damper Adjustment; Economizer (O/A) Dampers - Trane Voyager Commercial Installation, Operation And Maintenance Manual

S S t t a a r r t t u u p p
Table 55. Power exhaust fan performance — 22.9 -
29.2 Ton — 50 Hz
Power Exhaust Selection
50% (min)
Damper Blade Open Distance (mm)
Return
(min)
Duct Static
(Pa)
0.0 1499
24.9 1375
49.8 1255
74.7 1134
99.6 1031
124.5 921
Table 56. Power exhaust fan performance — 33.3 -
41.7 Ton — 50 Hz
50% (min)
Damper Blade Open Distance
(min)
Return Duct
Static (Pa)
0.0 1909
24.9 1800
49.8 1676
74.7 1577
99.6 1462
124.5 1364
Figure 54. (Upflow) Exhaust damper actuator
adjustment
84
100% (max)
(max) (min) (max)
L/s
2701 2999 5405
2083 2751 4166
1753 2488 3540
1499 2269 3003
1321 2061 2643
1135 1842 2270
Power Exhaust Selection
100% (max)
(mm)
(max) (min) (max)
L/s
3160 3818 6321
2915 3599 5829
2537 3364 5308
2371 3155 4741
2173 2925 4347
2040 2727 4080
Damper Actuator Adjustment
Figure 55. (Horizontal) Exhaust damper actuator
adjustment
Figure 56. (Upflow) Exhaust maximum damper
position
More Exhaust
Less Exhaust
Figure 57. (Horizontal) Exhaust maximum damper
position
Less Exhaust
More Exhaust

Economizer Damper Adjustment

Economizer (O/A) Dampers

Arbitrarily adjusting the outside air dampers to open
fully when the return air dampers are fully closed can
overload the supply fan motor or deliver higher CFM to
the space than designed. This causes higher operating
Damper Actuator
Adjustment
RT-SVX34R-EN