1088917-YIM-B-1014
Johnson Controls Unitary Products 9
Figure 5: ZF180-300 Unit Dimensions Front View
Note: All entry holes should be sealed to prevent rain water entry
into building.
Table 3: ZF180-300 Unit Accessory Weights
Unit Accessory
Weight (lbs.)
Shipping Operating
Economizer 165 160
Power Exhaust 90 85
Electric Heat
1
1. Weight given is for the maximum heater size available (54KW).
40 40
Gas Heat
2
2. Weight given is for the maximum number of tube heat exchangers available (8 tube).
240 240
Double Wall 260 260
Motorized Damper 150 150
Barometric Damper 50 45
Econ./Motorized Damper Rain Hood 60 55
Econ./Power Exhaust Rain Hood 95 90
Wood Skid 220 220
Roof Curb 190 185
Hot Gas Bypass 10 10
Supply Fan VFD See Table 5
R E T U R N
A IR
S U P P L Y
A IR
B O T T O M S U P P L Y
A N D R E T U R N
A IR O P E N IN G S
( S e e N o te )
( B )
P O W E R W IR IN G
E N T R Y
( A )
C O N T R O L W IR IN G
E N T R Y
N O T E :
F o r c u r b m o u n te d u n i ts , r e fe r to th e c u r b h a n g e r
d i m e n s i o n s o f th e c u r b fo r th e p r o p e r s i z e o f th e
s u p p l y a n d r e tu r n a i r d u c t c o n n e c ti o
n s .
U N IT B A S E W IT H R A IL S
S h o w n s e p a r a te l y to i l l u s tr a te
B o tto m D u c t o p e n i n g s , P o w e r
a n d G a s P i p i n g C o n n e c ti o n
l o c a ti o n s
1 2 - 1 /2 "
9 - 1 /4 "
8 - 1 /8 "
9 - 3 /4 "
3 - 3 /4 "
( B )
P O W E R W IR IN G
E N T R Y
( A )
C O N T R O L W IR IN G
E N T R Y
C O N D E N S E R
C O IL S
O P T IO N A L C O IL
G U A R D K IT
C O M P R E S S O R
A C C E S S
( S e e d e ta i l " X " )
E C O N O M IZ E R / M O T O R IZ E D D A M P E R ,
F IX E D O U T D O O R IN T A K E A IR A N D
P O W E R E X H A U S T R A IN H O O D S
( S e e d e ta i l " Y " )
FIELD-SUPPLIED
DISCONNECT SWITCH
LOCATION
BLOWER
COMPARTMENT
ACCESS
(Auxiliary)
D O T P L U G
( F o r p r e s s u r e
D r o p R e a d i n g )
F R ON T
V I E W
C O N T R O L B O X
A C C E S S
2 1 "
5 "
9 - 3 /4 "
1 1 - 1 /2 "
2 - 3 /4 " 2 1 - 1 /2 "
3 3 "
3 5 "
5 - 7 /8 "
4 6 - 5 /8 "
7 - 1 /8 "
6 - 3 /8 "
V E N T A IR
O U T L E T
H O O D S
C O M B U S T IO N
A IR IN L E T
H O O D
G A S H E A T
A C C E S S
( C )
G A S S U P P L Y
E N T R Y
4 6 - 5 /8 "
1 1 - 1 /8 "
( D )
G A S S U P P L Y
E N T R Y
R E T U R N A I R
S U P P L Y A I R
OU T D OOR A I
( E c o n o m i z e r )
9 2 "
24-1/4" (15 Ton)
35-1/4" (17.5
thru 25 Ton)
125-1/4" (15 Ton)
136-1/4" (17.5
thru 25 Ton)
48-5/8" (15 Ton)
52-5/8" (17.5 & 20 Ton)
ELECTRIC
BLOWER ACCESS
(Location Of
Optional VFD)
BLOWER MOTOR ACCESS
(Location Of Optional
VFD Bypass)
Table 4: Utilities Entry
Hole
Opening Size
Diameter
Used For
A
1-1/8” KO
Control Wiring
Front
3/4” NPS (Fem.) Bottom
B
3-5/8” KO
Power Wiring
Front
3” NPS (Fem.) Bottom
C 2-3/8” KO Gas Piping (Front)
1
1. One-inch Gas Piping NPT Required.
D 1-11/16” Hole Gas Piping (Bottom)
1,2
2. Opening in the bottom to the unit can be located by the slice in the
insulation.
Table 5: Supply Fan VFD Weights, In Lbs.
Supply Fan Motor 230V 460V 575V
W/O Manual Bypass
5.0 hp
25 25 30
7.5 hp
30 30 30
10.0 hp
30 30 35
15.0 hp
30 30 40
W/Manual Bypass
5.0 hp
30 30 35
7.5 hp
35 35 35
10.0 hp
35 35 40
15.0 hp
40 35 45
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