Startup
RT-SVX34F-EN 73
Note: To adjust the damper blade stops, refer to figures
Figure 51, p. 73 to Figure 54, p. 74
If the fan speed needs to be changed from the current
operating speed, refer to the unit wiring diagram and the
XTB1 and XTB2 terminal strip located in the economizer
section.
Table 49. Power exhaust fan performance— 27.5-35 Ton
— 60 Hz
Power Exhaust Selection
50% (min) 100% (max)
Return Duct
Static
(in. wc)
Damper Blade Open Distance (in)
1.5 (min) 4.0 (max) 1.5 (min) 4.0 (max)
CFM
0.0 3812 6866 7624 13742
0.1 3497 5296 6995 10591
0.2 3190 4458 6325 9000
0.3 2884 3812 5768 7635
0.4 2621 3359 5241 6719
0.5 2342 2885 4683 5771
Table 50. Power exhaust fan performance — 40-50 Ton —
60 Hz
Power Exhaust Selection
50% (min) 100% (max)
Damper Blade Open Distance (in)
Return Duct
Static (in. wc)
1.5 (min) 4.0 (max) 1.5 (min) 4.0 (max)
CFM
0.0 4854 8035 9708 16069
0.1 4575 7410 9151 14820
0.2 4262 6450 8552 13496
0.3 4011 6027 8021 12054
0.4 3718 5526 7436 11051
0.5 3467 5186 6933 10373
Table 51. Power exhaust fan performance — 22.9 - 29.2
To n — 5 0 H z
Power Exhaust Selection
50% (min) 100% (max)
Damper Blade Open Distance (mm)
Return Duct
Static (Pa)
38.1
(min)
101.6
(max)
38.1
(min)
101.6
(max)
L/s
0.0 1499 2701 2999 5405
24.9 1375 2083 2751 4166
49.8 1255 1753 2488 3540
74.7 1134 1499 2269 3003
99.6 1031 1321 2061 2643
124.5 921 1135 1842 2270
Table 52. Power exhaust fan performance — 33.3 - 41.7
Ton — 50 Hz
Power Exhaust Selection
50% (min) 100% (max)
Damper Blade Open Distance (mm)
Return Duct Static
(Pa)
38.1
(min)
101.6
(max)
38.1
(min)
101.6
(max)
L/s
0.0 1909 3160 3818 6321
24.9 1800 2915 3599 5829
49.8 1676 2537 3364 5308
74.7 1577 2371 3155 4741
99.6 1462 2173 2925 4347
124.5 1364 2040 2727 4080
Figure 51. (Upflow) Tracking exhaust damper
adjustment
Figure 52. (Horizontal) Tracking exhaust damper
adjustment
Tracking
Damper Minimum
Adjustment Linkage
Tracking Damper
Minimum
Adjustment
Linkage