III. Evaporator FAN Performance Adjustment Fig

III.EVAPORATOR FAN PERFORMANCE ADJUSTMENT (Fig. 25-27)

Fan motor pulleys are factory set for speed shown in Table 1. To change fan speeds:

1.Shut off unit power supply.

2.a. Size 180 Only: Loosen belt by loosening fan motor mounting plate nuts.

b.Size 216-300 Only: Loosen nuts on the 2 carriage bolts in the motor mounting base. Install jacking bolt and plate under motor base (bolt and plate are shipped in installer's packet). See Fig. 25. Using bolt and plate, raise motor to top of slide and remove belt. Secure motor in this position by tightening the nuts on the carriage bolts.

3.Loosen movable-pulley ¯ange setscrew (see Fig. 25).

4.Screw movable ¯ange toward ®xed ¯ange to increase speed and away from ®xed ¯ange to decrease speed. Increas- ing fan speed increases load on motor. Do not exceed maxi- mum speed speci®ed in Table 1.

See Table 4 for air quantity limits.

5.Set movable ¯ange at nearest keyway of pulley hub and tighten setscrew. (See Table 1 for speed change for each full turn of pulley ¯ange.)

6.Replace and tighten belts. See Belt Tension Adjustment section on page 22.

To align fan and motor pulleys:

1.Loosen fan pulley setscrews.

2.Slide fan pulley along fan shaft.

3.Make angular alignment by loosening motor from mount- ing plate.

IV. EVAPORATOR FAN SERVICE AND REPLACEMENT

A. 559F180 Units (See Fig. 26)

NOTE: To remove belts only, follow Steps 1-6.

1.Remove ®lter and supply-air section panels.

2.Remove unit top panel.

3.Loosen carriage nuts A and B holding motor mount as- sembly to fan scroll side plates.

4.Loosen screw C.

5.Rotate motor mount assembly (with motor attached) as far as possible away from evaporator coil.

6.Remove belt.

7.Rotate motor mount assembly back past original posi- tion toward evaporator coil.

8.Remove motor mounting nuts D and E (both sides).

9.Lift motor up through top of unit.

10.Reverse above procedure to reinstall motor.

11.Check and adjust belt tension as necessary.

B. 559F216-300 Units (See Fig. 27)

The 559F216-300 units use a fan motor mounting system that features a slide-out motor mounting plate. To replace or serv- ice the motor, slide out the bracket.

1.Remove the evaporator-fan access panel and the heat- ing control access panel.

2.Remove the center post (located between the evapora- tor fan and heating control access panels) and all screws securing it.

3.Loosen nuts on the two carriage bolts in the motor mount- ing base.

Fig. 25 Ð Evaporator-Fan Pulley Alignment

and Adjustment

Fig. 26 Ð 559F180 Evaporator-Fan

Motor Section

Ð21Ð

559F specifications

The Bryant 559F is a standout heating and cooling solution, designed with both efficiency and performance in mind. This model is a part of Bryant's legacy of reliability, combining innovative technology with user-friendly features to ensure a comfortable indoor environment throughout the year.

One of the most notable features of the Bryant 559F is its high efficiency rating. With a Seasonal Energy Efficiency Ratio (SEER) that exceeds industry standards, this model is engineered to significantly reduce energy consumption, translating to lower utility bills and a smaller carbon footprint. The system is designed to perform efficiently even in extreme temperatures, making it a reliable choice for households in diverse climates.

Incorporating advanced inverter technology, the Bryant 559F automatically adjusts its output to meet the precise cooling and heating needs of the space, providing consistent comfort while minimizing energy usage. This adaptive capability reduces energy waste, resulting in more efficient operation compared to traditional systems that constantly cycle on and off.

The Bryant 559F also features an integrated Wi-Fi capability, allowing users to control their heating and cooling system remotely via a smartphone app. This modern convenience empowers homeowners to create schedules, adjust settings, and monitor performance from virtually anywhere, enhancing both comfort and energy management.

Another characteristic of the Bryant 559F is its quiet operation. Thanks to sound-dampening features, the system is designed to operate at lower noise levels, providing a peaceful indoor environment. This makes it particularly suitable for residential applications where noise can be a concern, such as bedrooms and home offices.

Additionally, the Bryant 559F is equipped with advanced air filtration and purification systems that help improve indoor air quality. This is particularly beneficial for allergy sufferers or those concerned about pollutants in the air. The system can remove dust, pollen, and other particulates, creating a healthier living space.

Furthermore, the Bryant 559F model is backed by a robust warranty, showcasing Bryant's commitment to quality and customer satisfaction. Overall, the Bryant 559F combines innovative technology, energy efficiency, and user-friendly features to deliver a reliable heating and cooling solution that meets the needs of modern households. Its blend of performance, comfort, and convenience makes it an excellent choice for anyone looking to enhance their indoor climate control solutions.

Bryant operation manual III. Evaporator FAN Performance Adjustment Fig, 559F180 Units See Fig

Models: 559F