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43
Cassette Air Handler
TROUBLESHOOTINg pROCEdURE
Continued
frequently Asked questions
Continued
• Does the system have the proper refrig
-
erant charge? A system low on refriger
-
ant can cause air handlers freeze-up.
To check system charge you will need
CASSETTE pERfORmANCE dATA
NOTE:
Due to EMI’s ongoing product development program, all designs and specifications
are subject to change without notice.
INdOOR SOUNd LEVELS (dBA)
model
High Speed
Low Speed
12
41
39
24
44
42
36
51
49
dISCHARgE AIR VOLUmE
“dry Coil”
model
High Speed
Cfm
Low Speed
Cfm
12
380 (180 L/S)
335 (158 L/S)
24
700 (330 L/S)
620 (293 L/S)
36
1,300 (614 L/S)
1,160 (548 L/S)
CASSETTE TECHNICAL dATA
REfRIgERATION
12
24
36
Refrigerant Type
R22
CONNECTIONS
12
24
36
Suction
½”
¾”*
¾”
Liquid
¼”
⅜”
⅜”
Condensate Drain
½” I.D. ½” I.D. ½” I.D.
Branch Duct
5¼” Ø 5¼” Ø 5¼” Ø
fresh Air Duct
1¼ x 2½” 3” x 3” 3” x 3”
fILTRATION
12
24
36
Type
Washable Mesh
Quantity
1
2
3
Efficiency
80%
CONdENSATE pUmp
12
24
36
Maximum Head
36” (0.9 m)**
Min. flow Rate
2.5 gPH (9.5 l/h)
*Must bush down to 5/8” interconnect for 18K system.
** Measured from bottom of unit.
SHIppINg WEIgHT
model S
ize
Lbs.
12
70 (31.8 kg)
24
108 (49.1 kg)
36
146 (66.4 kg)
to contact a qualified refrigeration ser
-
vice technician. Refrigerant charge in-
formation can be found in IOM for the
outdoor condensing unit.
Содержание CAC_36
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