EMI Chilled Water Cassette Evaporator CAF User manual
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Enviromaster International LLC 1
PRODUCT DESCRIPTION
The CAF Chilled Water Cassette Evaporator is
available in three cabinet sizes with six cooling out-
put capacities from 8,000-36,000 Btuh. Fan speed
adjustments are available in all three cabinet sizes
to obtain required performance. Key features include
a condensate pump with safety switch and an 30” lift;
electric heat; fresh air inlet and branch duct knock-
outs; and motorized air vanes (18-36 only). The CAF
accepts a 24 volt thermostat control (thermostat not
included) or an infrared microprocessor control can
be obtained as a factory installed option. Hot water
coils are available on all CAF models (except for
12,000 Btu) in place of electric heat.
Due to ongoing product development, all designs
notice.
STANDARD FEATURES
Materials of Construction -Galvanized steel chas-
-
tion and pearl grey high-impact polystyrene fascia.
Air Systems:
design; dynamically and statically balanced; and
mounted on integral mounting rails.
retardant aluminum/plastic impellers.
-
tardant plastic impellers.
protection and sealed lifetime bearings.
discharge locations.
-
net (2 on CAF 08-12).
18-36 (models 08-12 equipped with manually
adjusted air vanes).
Coil -
Controls and Components (Factory Installed or
Supplied):
timer, 60 second post purge fan relay, and on-
board 30 amp electric heat relay.
1.5kW (8000-12,000 Btuh)
3kW (18,000-20,000 Btuh)
5kW (33,000-36,000 Btuh)
Transformer.
water supply.
System Options:
remote wall thermostat.
only).
SpecificationS and performance
tWo and foUr pipe fan coiL
W/eLectric Heat
nominaL capacitieS:
8,000 - 12,000 - 18,000
20,000 - 33,000 - 36,000 Btuh
caf
cHiLLed Water caSSette
eVaporator
p/n# 240003233 rev. A [06/08]
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Enviromaster International LLC 2
25”
2½”
1¼” 11¾”4¾”
2¾”
11¼”
22½”
2¾”
3”
3”
8” 5”
5”
3½”
3¼”
1”
23”
1½” 1½”
½”
19½”
11”
6½”
3¾”
2”
¾”
SMALL CABINET
w/Hydronic Heat
CAF CASSETTE DIMENSIONS
A) Optional Discharge Knockout Ø 6”
C) Condensate Discharge ½”
G) CAF 09/12 Outlet ½”
L) CAF 09/12 Liquid ¼”
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Enviromaster International LLC 3
CAF CASSETTE DIMENSIONS
MEDIUM CABINET
w/Hydronic Heat
LARGE CABINET
w/Hydronic Heat
CASSETTE DIMENSIONS (INCHES)
SIZE A B C D E F G H J K L M N
MEDIUM 11 37 37 1¾ 32¾ 32¾ 2¾ ½ Ø 5 3¼ 9½ ¾ 33¼
LARGE 13 49¼ 37 1¾ 32¾ 45 2¾ ½ Ø 6 13¼ 9½ ¾ 45½
ELECTRICAL SPECIFICATIONS AND PERFORMANCE DATA
NOTE: Due to EMI’s ongoing product development program, all designs and specications are subject to change without notice.
ELECTRICAL SPECIFICATIONS
STANDARD UNIT DATA SMALL MEDIUM LARGE
A 0.4 0.6 0.9
A 0.5 0.75 1.13
A 15 15 15
WITH OPTIONAL ELECTRIC HEAT
1
SMALL MEDIUM LARGE
KW 1.5 3.0 5.0
A 6.52 13.1 21.7
A 7 13.7 22.6
A 8.8 17.1 28.3
A 15 20 30
WITH OPTIONAL BOOST TRANSFORMER
2
SMALL MEDIUM LARGE
A 0.8 1.2 1.8
A 1.0 1.5 2.26
A 15 15 15
CAF HOT WATER CASSETTE CAPACITIES
(Hot Water 180°F Inlet/160° F Outlet)
Model AIR ON °F
DB/50% RH
TC
Btuh
Flow
GPM
P.D. FT.
H
2
0
08
50° 19,800 2.0 10.0
60° 17,100 1.7 8.4
70° 14,000 1.4 6.7
18/20
50° 46,060 4.7 10.9
60° 41,930 4.3 9.4
70° 37,770 3.8 8.1
33/36
50° 62,500 6.4 10.8
60° 56,940 5.8 9.2
70° 51,350 5.2 7.3
SOUND LEVELS (dbA)
Model High
Speed
Med.
Speed
Low
Speed
08-12 47 45 40
18 43 41 39
20 47 43 41
33-36 48 47 45
CAF TECHNICAL DATA
CABINET DIMENSIONS SMALL MEDIUM LARGE
10-3/4” 9-1/2” 11-1/2”
22-1/2” 32-1/4” 44-1/2”
22-1/2” 32-1/4” 32-1/4”
FASCIA DIMENSIONS SMALL MEDIUM LARGE
2-1/4” 3” 3”
25” 37” 49-1/4”
25” 37” 37”
CONNECTIONS SMALL MEDIUM LARGE
5/8” 7/8” 7/8”
5/8” 7/8” 7/8”
3/8” 3/8” 3/8”
5” 5” 6”
3” 3” 3”
5/8” 5/8” 5/8”
5/8” 5/8” 5/8”
FILTRATION SMALL MEDIUM LARGE
WIRE FRAMED PERIFRAME
1 2 3
80% 80% 80%
CONDENSATE PUMP SMALL MEDIUM LARGE
30” 30” 30”
0.1 0.1 0.1
DISCHARGE AIR VOLUME
Model
High
Speed
CFM
Med.
Speed
CFM
Low
Speed
CFM
08-12 400 340 300
18 615 550 490
20 750 615 550
33 996 890 784
36 1123 996 890
CAF CHILLED WATER CASSETTE CAPACITIES
COOLING CAPACITY CHILLED WATER INLET/OUTLET °F
MODEL AIR ON °F
DB/50% RH
40/50° F 45/55° F
TC Btuh SC Btuh FLOW GPM P.D. FT. H20 TC Btuh SC Btuh FLOW GPM P.D. FT. H20
72 5460 5460 1.2 6.7 4780 4440 1.1 5.4
08 75 6480 6140 1.4 9.0 5460 5460 1.2 6.4
80 9550 7170 2.1 17.0 7500 6480 1.7 11.7
72 7850 7510 1.7 4.3 6480 6140 1.4 2.7
12 75 10580 8190 2.3 6.7 8190 7510 1.8 4.0
80 14670 9550 3.3 12.0 12280 8530 2.7 8.7
72 13480 12520 2.7 3.7 10100 10100 2.0 2.2
18 75 17310 13850 3.5 5.8 11670 11640 2.3 3.0
80 23410 15870 4.7 9.0 17810 13780 3.6 6.0
72 15050 14570 3.0 4.6 11670 11630 2.3 3.0
20 75 19140 15930 3.8 6.4 13510 13470 2.7 3.7
80 26650 18390 5.3 11.1 19990 15970 4.0 6.8
72 26310 21260 5.3 8.5 17610 17570 3.5 5.3
33 75 32070 23500 6.4 13.0 23060 19790 4.6 7.4
80 41760 26920 8.4 19.2 33130 23300 6.6 14.2
72 28490 23300 5.7 10.3 19210 19170 3.8 6.0
36 75 34700 25690 6.9 15.1 24910 21700 5.0 8.1
80 45810 29480 9.2 21.0 35830 25450 7.2 15.7
Enviromaster International LLC
5780 Success Drive, Rome, NY 13440
www.enviromaster.com
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