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356214-XIM-A-0108
Johnson Controls Unitary Products 33
* Factory Setting
Power Exhaust motor is a 3/4 HP, PSC type with sleeve bearings, a 48 frame and inherent protection.
TABLE 16: STATIC RESISTANCES
1
DESCRIPTION
RESISTANCE, Pa/IWG
m
3
/s/CFM
MODEL 180 MODEL 240 MODEL 300
2.1/4500 2.8/6000 3.4/7200 2.8/6000 3.8/8000 4.4/9400 3.78/8000 4.25/9000 4.72/10000
WET COIL 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 25/0.1 25/0.1 25/0.1
GAS HEAT 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 25/0.1 25/0.1 25/0.1
ELECTRIC HEAT OPTIONS
18 KW 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 25/0.1 25/0.1 25/0.1
36 KW 24.8/0.1 50.0/0.2 74.4/0.3 24.8/0.1 50.0/0.2 74.4/0.3 25/0.1 50/0.2 75/0.3
54 KW 50.0/0.2 74.4/0.3 99.2/0.4 50.0/0.2 74.4/0.3 99.2/0.4 50/0.2 75/0.3 100/0.4
72 KW 50.0/0.2 99.2/0.4 149.0/0.6 50.0/0.2 99.2/0.4 149.0/0.6 50/0.2 100/0.4 150/0.6
ECONOMIZER OPTION 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 24.8/0.1 25/0.1 25/0.1 25/0.1
HORIZONTAL DUCT CONNECTIONS 50.0/0.2 74.4/0.3 124.0/0.5 50.0/0.2 74.4/0.3 124.0/0.5 50/0.2 75/0.3 125/0.5
1.
Deduct these resistance values from the available external static pressures shown in the respective Blower Performance Table except for Horizontal
Duct Connections.
Add these values due to less airflow resistance.
TABLE 17: POWER EXHAUST PERFORMANCE
MOTOR
SPEED
STATIC RESISTANCE OF RETURN DUCTWORK, IWG
0.2 0.3 0.4 0.5 0.6
CFM KW CFM KW CFM KW CFM KW CFM KW
HIGH* 5250 0.83 4500 0.85 4200 0.88 3750 0.93 3000 0.99
MEDIUM 4900 0.77 3900 0.79 3500 0.82 2900 0.85 - -
LOW 4400 0.72 3700 0.74 3000 0.78 - - - -
TABLE 18: BLOWER MOTOR AND DRIVE DATA
MODEL
SIZE
DRIVE
1
BLOWER
RANGE
(RPM)
MOTOR
2
ADJUSTABLE MOTOR PULLEY
3
FIXED BLOWER PULLEY
BELT
(NOTCHED)
kW/HP FRAME
EFF.
(%)
DESIG-
NATION
PITCH
DIA.
(mm/IN.)
BORE
(mm/IN.)
DESIG-
NATION
PITCH
DIA.
(mm/IN.)
BORE
(mm/IN.)
DESIG-
NATION
PITCH
LENGTH
(mm/IN.)
QTY.
180
High
Static
1030/1240 3.7/5.0 184 T 83 1VP62
109-135
4.3-5.3
29/1-1/8 BK75 175/6.9 25/1 BX68 1773/69.8 1
240
High
Static
895-1080 5.6/7.5 213 T 87 1VP75
140-165
5.5-6.5
35/1-3/8 BK100 239/9.4
30/1-3/16
4
BX81 2103/82.8 1
300
High
Static
950/1130 7.5/10 254 T 89
1LVP58
B70A
157-188
(6.2-7.4)
A2
Bushing
1B5V94 241 (9.5)
B
Bushing
5VX840 2134/84 1
1.
All 50 Hz DM180-300 models come standard with factory filtered High Static Drive.
2.
All motors have a nominal speed of 1450 RPM, a 1.15 service factor and a solid base. They can operate to the limit of their service factor because
they are located in the moving air, upstream of any heating device.
3.
Do NOT close this pulley below 1 turn open.
4.
Requires bushing (included in kit).