Trane GGAA - Air Blower

MUA-SVX005B-EN
33
Table 3. Standard CFM Blower Air Filter Size Requirements (continued)
200 MBtuh (58.6 kW)
4
250 MBtuh (73.2 kW)
4
300 MBtuh (87.9 kW)
4 2
350 MBtuh (102.6 kW)
4 2
400 MBtuh (117.2 kW)
6
500 MBtuh (146.5 kW)
4
600 MBtuh (175.8 kW)
4 2
700 MBtuh (205.1 kW)
4 2
800 MBtuh (234.4 kW)
6
Table 4. High CFM Blower Air Filter Size Requirements
Unit Input
Number of Filters Required
16 x 20 (in) 20 x 20 (in)
100 MBtuh (58.6 kW)
8
150 MBtuh (58.6 kW)
8
200 MBtuh (58.6 kW)
8
250 MBtuh (73.2 kW)
8
300 MBtuh (87.9 kW)
8 4
350 MBtuh (102.6 kW)
8 4
400 MBtuh (117.2 kW)
12
500 MBtuh (146.5 kW)
8
600 MBtuh (175.8 kW)
8 4
700 MBtuh (205.1 kW)
8 4
800 MBtuh (234.4 kW)
12
1,200 MBtuh (351.6kW)
12
Air Blower
Belt Tension Adjustment Standard CFM Blower belt tension can be adjusted by loosening motor
mounting bolts marked A (See Figure 11, p. 34). To tighten belt, slide motor down motor
mounting bracket and re-fasten motor to mounting bracket.
High CFM Blower belt(s) tension can be adjusted by first loosening motor mounting plate bolts
marked A (See Figure 11, p. 34). To tighten belt tension, turn belt tension adjustment screws
marked B (See Figure 11, p. 34) counter-clockwise. To loosen belt tension, turn clockwise. Once
belt tension has been adjusted, re-fasten motor mounting plate bolts.
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To adjust blower RPM:
1. Loosen and remove belt(s).
2. Match driver pulley to one found in Figure 12, p. 35.
3. Loosen setscrew(s) marked A.
4. If driver pulley is equipped with external key, marked B, remove.
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