Ratings - Zehnder Rittling RW-260 Installation, Operation And Maintenance Manual

Cabinet unit heater
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Table A: Standard ratings
Specifications
Steam capacity
Hot water capacity
(1 row coil)
Hot water capacity
(2 row coil)
CFM: standard
CFM: high static
(@ 0.2" ESP)
Coil
Face area, ft
Coil connections
Blower
Diameter
Length, in.
Filter
Width, in.
Thickness, in.
Height, in.
Cabinet size
Length, in.
Width, in.
Shipping weight, lbs.
Notes
Airflows for floor mounted units with 1-row coil. Please check with
factory for adjusted outputs on other models
Heating capacity based on inlet air 60 ˚F DB, 200˚F entering water
or 2 psig steam, 180˚F leaving water, standard motor at high fan
speed
Pressure drop (PD) shown in feet of water
02
MBH
18.7
EDR
76
MBH
16.2
GPM
1.7
WPD
0.2
MBH
25.0
GPM
2.6
WPD
0.8
High
220
Medium
150
Low
125
High
250
Medium
210
Low
160
FPI
12
1.25
2
1/2" Cu
Quantity
1
5.7"
Width
7.5"
Number
1
22
9.75
1
26.5
38.2
10
85
03
04
06
25.5
34.8
51.0
104
144
212
22.4
30.7
45.5
2.3
3.2
4.8
0.4
0.8
2.2
34.3
47.2
69.5
3.6
4.9
7.3
1.7
3.6
9.3
300
420
620
200
310
450
140
220
350
345
490
640
290
425
550
230
320
420
12
12
12
1.67
2.08
2.92
1/2" Cu
1/2" Cu
1/2" Cu
1
2
2
5.7"
5.7"
5.7"
10.4"
7.5"
10.4"
1
1
1
28
34
46
9.75
9.75
9.75
1
1
1
26.5
26.5
26.5
44.2
50.2
62.2
10
10
10
100
115
140
Overall length for fully and partially recessed units is (length +3").
Wall rough-in hole dimension to be (length + 1/8") by 24-1/8" width
Height dimension applies to floor units only. Wall and ceiling units
are 24". Sloped top units are 29-1/4"
Model RF and RS filters are 7.25" width
08
10
12
62.8
73.4
90.7
260
304
376
54.8
64.5
80.1
5.7
6.7
8.4
0.5
0.7
1.2
86.6
101.2
125.8
9.0
10.5
13.1
2.2
3.3
5.6
810
940
1180
600
720
875
440
480
660
920
1020
1150
780
870
980
590
660
750
12
12
12
3.33
3.89
4.58
1/2" Cu
1/2" Cu
1/2" Cu
1, 2
4
4
5.7"
5.7"
5.7"
7.5", 10.4"
7.5"
10.4"
1
1
1
52
60
70
9.75
9.75
9.75
1
1
1
26.5
26.5
26.5
68.2
76.2
86.2
10
10
10
155
170
195

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