Front view
Top view
Side view
B
(Outlet opening centered)
15-9/16"
2-7/16"
3-5/16"
A
6-5/8"
10-1/4"
5-1/16"
7-1/8"
11/16"
Electrical
j box 4”x4”
1/2" NPT auxiliary
drain connection
Auxiliary
drain pan
Inlet opening
12-1/2"
9-1/8"
5" outlet opening
7-1/8"
Return (hot water)
Supply (steam)
Supply (hot water)
Return (steam)
(Hot water or steam)
Return
Supply
(Cooling)
Drain pan pitch
Filter
position
D
H
F
E
J
G
C
2-1/4"
9/16"
3/8"
*Electrical
control box
Dimensions and data
Model FLH
Dimensional data
Unit size
A
B
02
22-5/16
16-3/16
03
28-5/16
22-3/16
04
34-5/16
28-3/16
06
46-5/16
40-3/16
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 the 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
C
D
E
F
G
H
J
2 Row
N/A
N/A
N/A
N/A
10-9/16
5-1/2
11-5/8
3 Row
N/A
N/A
N/A
N/A
10-5/8
5-9/16 12-13/16
2/1 Row
12-11/16
9-1/16
13-1/16
2
10-9/16
5-1/2
11-5/8
3/1 Row
13-13/16
9-1/8
14-3/16
2-1/16
10-5/8
5-9/16 12-13/16
10
