York 480, Техническое руководство

Страница: 8 / 24

036-21335-002-A-1102
8 Unitary Products Group
Note: Three elements required per unit.
TABLE 6: UNIT DRIVE DATA
UNIT
MODEL
DRIVE KIT
MODEL
NUMBER
BLOWER
RPM
RANGE
ADJUSTABLE MOTOR PULLEY FIXED BLOWER PULLEY BELTS
PITCH DIA.
(IN.)
BORE
(IN.)
PITCH DIA.
(IN.)
BORE
(IN.) QTY.
PITCH
LENGTH
(IN.) DESIGNATION
LA300
1LD0440 600 - 750 4.0 - 5.0 1 1/8 12.0 1 3/16 2 63.3 A62
1LD0407 700 - 850 4.2 - 5.2 1 3/8 11.0 1 3/16 2 63.3 A62
1LD0442 780 - 940 5.3 - 6.3 1 3/8 12.0 1 3/16 2 63.3 A62
LB360
1LD0415 636 - 795 4.0 - 5.0 1 1/8 11.0 1 3/16 2 63.3 A62
1LD0407 668 - 827 4.2 - 5.2 1 3/8 11.0 1 3/16 2 63.3 A62
1LD0408 827 - 986 5.3 - 6.3 1 3/8 11.0 1 3/16 2 59.7 A59
LB480 1LD0409 607 - 776 4.3 - 5.5 1 3/8 12.4 1 3/16 2 85.1 B84
1LD0410 776 - 917 5.4 - 6.6 1 3/8 12.4 1 3/16 2 86.8 B85
LB600 1LD0411 692 - 833 4.8 - 6.0 1 3/8 12.4 1 3/16 2 78.6 B78
1LD0412 762 - 931 5.4 - 6.6 1 5/8 12.4 1 3/16 2 76.8 B75
TABLE 7: MOTOR OVERLOAD ELEMENTS
1
1.
These units are equipped from the factory with a cor-
rectly sized motor starter; overload elements are not
factory supplied.
MOTOR HP VOLTAGE MODEL NUMBER
5
208 2MP04704600
230 2MP04704600
460 2MP04704900
575 2MP04705000
7.5
208 2MP04703700
230 2MP04704500
460 2MP04704300
575 2MP04704000
10
208 2MP04701600
230 2MP04704100
460 2MP04704200
575 2MP04704300
15
208 2MP04704400
230 2MP04701700
460 2MP04704500
575 2MP04704600
Do not operate the supply air blower motor above
its nominal HP rating when a unit is equipped with
a hot water coil accessory. Do not use steam in hot
water coils.
Do not operate the supply air blower above its
nominal HP rating when a unit is equipped with a
steam coil accessory.
Although these coils are suitable for a much higher
pressure, steam above 25 psig provides too much
heat that could damage the blower motor.