6
Revised June 1, 2018.
Zehnder Rittling periodically makes changes to the design and/or specifications of its products. As a result, the design and specifications of each product at the time of order may be different than as
described herein. Please contact Zehnder Rittling's Sales Support staff at 716-827-6510 for specific information on current design and specifications. Designs, specifications and other information contained herein are not express
warranties, which are only as expressly set forth by Zehnder Rittling in its terms and conditions of sale. The latest version of this document is available at www.zehnder-rittling.com.
Rittling Cabinet Unit Heater
Submittal Data
Zehnder Rittling · 100 Rittling Blvd. · Buffalo, NY USA 14220
T 716-827-6510 · F 716-218-2805 · [email protected] · www.zehnder-rittling.com
© Zehnder Rittling June 2018, English, subject to change without notice
8 1/8"
2"
T
P
N
R
12 13/16"
7 1/8"
M
K
7 1/8"
2"
16 1/8"
J
L
20 13/16"
6 1/2"
16"
2, 3 & 4 row hot
water supply
water return
1 row hot
and 1 row
water return
Side view: Model RFI
steam supply
steam return
and 1 row
water supply
2, 3 & 4 row hot
1 row hot
Filter positions
RF-200
shown
RF-220
shown
(top outlet)
access section
Top view
Fan speed
section
Piping access
Outlet opening centered
6"
D
10"
1 row hot
water supply
and 1 row
steam supply
steam return
and 1 row
2, 3 & 4 row hot
water return
Side view: Model RF
position
Filter
1 row hot
water return
2, 3 & 4 row hot
water supply
Front view
(Front outlet)
A
6"
3 1/2"
3"
26 1/2"
Models RF and RFI
Dimensions and data
Dimensional data
Unit size
A
B
C
D
Std.
6" Ext
02
38-3/16
44-3/16
22-3/16
23-5/8
20
03
44-3/16
50-3/16
28-3/16
29-5/8
26
04
50-3/16
56-3/16
34-3/16
35-5/8
32
06
62-3/16
68-3/16
46-3/16
47-5/8
44
08
68-3/16
74-3/16
52-3/16
53-5/8
50
10
76-3/16
82-3/16
60-3/16
61-5/8
58
12
86-3/16
92-3/16
70-3/16
71-5/8
68
Dimensional data
Coil
J
K
L
M
N
P
R
T
2 Row
18-1/4 4-7/16 19-1/16 5-3/16
9-7/8
5-3/16 10-11/16 4-7/16
3 Row 19-1/16 3-1/16 20-3/8 4-13/16 8-9/16 4-13/16
9-7/8
3-1/16
4 Row 19-1/16 3-1/16 20-3/8 4-13/16 8-9/16 4-13/16
9-7/8
3-1/16
Notes:
- 1, 2, 3 and 4 row coil 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 specificstions must be acceptrd by
Zehnder at its base office.
* Add 6" per extended end selection. See chart for details.
mounting slot
3/8" wd. x 1" lg.
(4 places)
Note: Inlet grille optional
Electrical
end pocket
Front view
(less front panel)
* 8"
B
* 8"
C
8 1/8"
2"
T
P
N
R
12 13/16"
7 1/8"
M
K
7 1/8"
2"
16 1/8"
J
L
20 13/16"
6 1/2"
16"
2, 3 & 4 row hot
water supply
water return
1 row hot
and 1 row
water return
Side view: Model RFI
steam supply
steam return
and 1 row
water supply
2, 3 & 4 row hot
1 row hot
Filter positions
RF-200
shown
RF-220
shown
(top outlet)
access section
Top view
Fan speed
section
Piping access
Outlet opening centered
6"
D
10"
1 row hot
water supply
and 1 row
steam supply
steam return
and 1 row
2, 3 & 4 row hot
water return
Side view: Model RF
position
Filter
1 row hot
water return
2, 3 & 4 row hot
water supply
Front view
(Front outlet)
A
6"
3 1/2"
3"
26 1/2"
Models RF and RFI
Dimensions and data
Dimensional data
Unit size
A
B
C
D
Std.
6" Ext
02
38-3/16
44-3/16
22-3/16
23-5/8
20
03
44-3/16
50-3/16
28-3/16
29-5/8
26
04
50-3/16
56-3/16
34-3/16
35-5/8
32
06
62-3/16
68-3/16
46-3/16
47-5/8
44
08
68-3/16
74-3/16
52-3/16
53-5/8
50
10
76-3/16
82-3/16
60-3/16
61-5/8
58
12
86-3/16
92-3/16
70-3/16
71-5/8
68
Dimensional data
Coil
J
K
L
M
N
P
R
T
2 Row
18-1/4 4-7/16 19-1/16 5-3/16
9-7/8
5-3/16 10-11/16 4-7/16
3 Row 19-1/16 3-1/16 20-3/8 4-13/16 8-9/16 4-13/16
9-7/8
3-1/16
4 Row 19-1/16 3-1/16 20-3/8 4-13/16 8-9/16 4-13/16
9-7/8
3-1/16
Notes:
- 1, 2, 3 and 4 row coil 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 specificstions must be acceptrd by
Zehnder at its base office.
* Add 6" per extended end selection. See chart for details.
mounting slot
3/8" wd. x 1" lg.
(4 places)
Note: Inlet grille optional
Electrical
end pocket
Front view
(less front panel)
* 8"
B
* 8"
C
Dimensions and data
Models RF and RFI
Dimensional data
Unit size
A
B
C
D
Std.
6" Ext.
6" Ext. x2
02
38-3/16
44-3/16
50-3/16
22-3/16
24
20
03
44-3/16
50-3/16
56-3/16
28-3/16
30
26
04
50-3/16
56-3/16
62-3/16
34-3/16
36
32
06
62-3/16
68-3/16
74-3/16
46-3/16
48
44
08
68-3/16
74-3/16
80-3/16
52-3/16
54
50
10
76-3/16
82-3/16
88-3/16
60-3/16
62
58
12
86-3/16
92-3/16
98-3/16
70-3/16
72
68
Notes:
1 and 2 row coil supply and return 1/2" nominal (5/8" OD) all sizes
Inlet grill optional
Unit shown with left hand piping connections and right hand electrical connections as standard
Right hand piping connections with left hand electrical connections available as an option
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 at its base office
See www.zehnder-rittling.com for any recent updates or changes
Dimensions and data
DIMENSIONS AND DATA
Notes:
1 and 2 row coil supply and return 1/2" nominal (5/8" OD) all sizes
Inlet grille optional
Unit shown with left hand piping connections and right hand electrical connections as standard
Right hand piping connections with left hand electrical connections available as an option
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
See www.zehnder-rittling.com for any recent updates or changes
Dimensional data
Unit size
A
B
C
D
Std.
6" Ext.
6" Ext. x2
02
38-3/16
44-3/16
50-3/16
22-3/16
24
20
03
44-3/16
50-3/16
56-3/16
28-3/16
30
26
04
50-3/16
56-3/16
62-3/16
34-3/16
36
32
06
62-3/16
68-3/16
74-3/16
46-3/16
48
44
08
68-3/16
74-3/16
80-3/16
52-3/16
54
50
10
76-3/16
82-3/16
88-3/16
60-3/16
62
58
12
86-3/16
92-3/16
98-3/16
70-3/16
72
68
Models RF and RFI