D
FF-200 only
(Outlet opening centered)
D
FF-220 only
(Outlet opening centered)
10"
6-1/2"
Piping access
section
Fan speed
access section
Top View
A
Auxiliary
drain pan
6"
C
3/8" mounting holes
(4 places)
8"
8"
1/2" NPT auxiliary drain connection
Drain pan pitch
7"
11-15/16"
Electrical
junction box
Front View
Note: inlet grill optional
B
FF-200
FF-220
5-11/16"
Return (hot water)
Supply (steam)
(Hot water or steam)
Supply (hot water)
Return (steam)
3-1/2"
E
G
26-7/16"
L
J
Filter position
Side View
F
H
Supply
(Cooling)
Return
K
M
Top outlet
FF-200 only
Side outlet
FF-220 only
2-5/16"
6-1/2"
Front louvers
FF-220 only
Dimensions and data
Model FF
Dimensional data
Unit size
A
B
C
D
02
38-3/16
22-3/16
24
20-3/4
03
44-3/16
28-3/16
30
25
04
50-3/16
34-3/16
36
29-1/4
06
62-3/16
46-3/16
48
42
08
68-3/16
52-3/16
54
51-1/8
10
76-3/16
60-3/16
62
59
12
86-3/16
70-3/16
72
69
Dimensional data
Coil
E
F
G
H
J
K
L
M
3 Row
N/A
N/A
N/A
N/A
18-9/16
3
19-7/8
4-5/8
4 Row
N/A
N/A
N/A
N/A
18-9/16
3
19-7/8
4-5/8
3/1 Row
18
7-3/4
21-3/4 4-5/16 18-9/16
3
19-7/8
4-5/8
4/1 Row
19-3/8 8-1/16 23-1/8
5-1/4 18-9/16
3
19-7/8
4-5/8
Notes:
3 and 4 row coil supply and return 1/2" nominal (5/8" OD) all sizes.
1 row coil (reheat option) supply and return 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.
Unit length: for 6" extended end pocket add 6" to dimension “A.”
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.
7
Dimensions and data
