Carrier 48ZG, ZW Return/Exhaust-FanShipping Brackets 48Z6, Shipping Brackets Size 030-050Units

FS

DP

BP

OACFM

TRANSDUCER

RF	PP
CFM	SS

	LEGEND
BP — Building Pressure	OACFM — Outdoor Air Cfm
Transducer	Sensor Transducer
DP — Duct Pressure	PPSS — Plenum Pressure
Transducer	Safety Switch
FS — Filter Switch	RFCFM — Return Fan Cfm Sensor Transducer

Fig. 49 — Auxiliary Control Box Details (Size 075-105 Units with Return Fan)

Supply-Fan Shipping Brackets — Supply-fan ship- ping brackets (4 per unit) must be removed from each corner of the fan sled before starting unit.

UNIT SIZES 030-050

1.To remove brackets, raise fan sled by turning adjusting bolt counterclockwise until spring is compressed slightly.

2.Remove screws holding shipping bracket to unit cross rail.

3.Remove shipping bracket (top of bracket is slotted so that it will slide out).

4.After removing all shipping brackets, level fan sled using the adjusting screws. On all 4 corners, dimension from cross rail to fan sled should be as shown in Fig. 50.

UNIT SIZES 055-070 — To remove shipping brackets, re- move the 6 screws holding each bracket to the cross rail. There are 8 brackets per unit. See Fig. 51.

After removing all shipping brackets, level fan sled using the adjusting screws. On all 4 corners dimension from cross rail to fan sled should be as shown in Fig. 51.

UNIT SIZES 075-105 — Supply-fan shipping brackets must be removed from each corner of the fan sled before starting unit. To remove shipping brackets, remove the 6 screws hold- ing each bracket to the cross rail. There are 4 brackets per unit. See Fig. 52.

After removing all shipping brackets, level fan sled using the adjusting screws. On all 4 corners dimension from cross rail to fan sled should be as shown in Fig. 52.

Fig. 50 — Shipping Brackets; Size 030-050 Units

Fig. 51 — Shipping Brackets;

Size 055-070 Units

Return/Exhaust-Fan Shipping Brackets (48Z6,

Z8 Units) — Return/exhaust fan shipping brackets must be removed from each corner of the fan sled before starting unit.

To remove shipping brackets, remove 2 screws holding each bracket to the cross rail. There are 4 brackets per unit.

After removing all shipping brackets, level the fan using the adjustment screws. On all 4 corners the dimension from cross rail to fan sled should be as shown in Fig. 53.

53