17
Filter Drier
Replace whenever refrigerant system is exposed to atmosphere.
Only use factory specified liquid-line filter driers with working
pressures no less than 650 psig (4482 kPa).
Condenser-Fan Adjustment
1. Shut off unit power supply. Install lockout tag.
2. Remove condenser-fan assembly (grille, motor, and fan).
See Fig. 25.
3. Loosen fan hub setscrews.
4. Adjust fan height by pushing fan until it stops on the fan
shaft.
5. Tighten set screw to 60 in.-lb (6.78 Nm).
6. Replace condenser-fan assembly. When replacing the
condenser-fan assembly follow the screw pattern sequence
shown in Fig. 26. The screws must be replaced in the
sequence shown in the figure.
Fig. 25 — Condenser-Fan Adjustment
Fig. 26 — Condenser-Fan Assembly — Screw Pattern Sequence
CAUTION
EQUIPMENT DAMAGE
Failure to follow this caution can result in equipment damage.
Do not install a suction-line filter drier in liquid line. A liquid-
line filter drier designed for use with R-410A refrigerant is
required on every unit.