Filter Drier; Condenser-Fan Adjustment - Carrier 50GCQ Series Service And Maintenance Instructions

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).
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.

Condenser-Fan Adjustment

1. Shut off unit power supply. Install lockout tag.
2. Remove condenser-fan assembly (grille, motor, and fan).
See Fig. 25.
4
3
5
Fig. 26 — Condenser-Fan Assembly — Screw Pattern Sequence
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
2
17
No Screw
(Blank Tab)
1