Side View
6-7/8"
G
J
E
F
K
H
D
Drain pan pitch
Filter position
Return (hot water)
Supply (steam)
Supply (hot water)
Return (steam)
Supply
(Cooling)
(Hot water or steam)
Return
3-5/16"
2-7/16"
15-1/2"
8"
B
8"
Front View
Note: Inlet grill standard
1/2" NPT auxiliary drain connection
Auxiliary
drain pan
Electrical
junction box
A
C
(Outlet opening centered)
12-1/2"
6-1/2"
Top View
Piping
access section
Fan speed
access section
Dimensions and data
Model FLF
Dimensional data
Unit size
A
B
C
02
38-3/16
22-3/16
20-3/4
03
44-3/16
28-3/16
25
04
50-3/16
34-3/16
29-1/4
06
62-3/16
46-3/16
42
Notes:
All coil connections are 1/2" nominal (5/8" OD) all sizes
Left hand piping connections shown, right hand electrical as
standard. Piping hand determined when facing air outlet.
All listed dimensions are approximate and are subject to change
without notice. Modifications to the product specifications must be
accepted by Zehnder Rittling at its base office.
Dimensional data
Coil
D
E
F
G
H
J
K
3 row
N/A
N/A
N/A
N/A
10-3/8
5-1/2
11-1/2
4 row
N/A
N/A
N/A
N/A
10-3/8
5-9/16
12-5/8
3/1 row
12-9/16
9-1/8
12-7/8
2-1/16
10-3/8
5-1/2
11-1/2
4/1 row
13-11/16
9-1/8
14
2-1/8
10-3/8
5-9/16
12-5/8
9
Dimensions and data
Dimensions and data
