EMI CAHV Installation & Operation Manual

EMI
Brand
EMI
Model
CAHV
Category
Split-system air conditioners
Type
Installation & Operation Manual
P/N# 240009099, Rev. D [08/06/2013]

ECR International, Inc.
2201 Dwyer Avenue,
Utica NY 13501
web site: www.ecrinternational.com
CAHV
Variable Speed Cassette Ductless
Split System Air Handlers

CAHV09 CAHV12 CAHV18 CAHV24 CAHV30 CAHV36 
9,000 12,000 18,000 24,000 30,000 35,600 
COOL
2.6 3.5 5.3 7.0 8.8 10.4 kW
8400 8800 17000 19000 29000 29000 

2.5 2.6 5.0 5.6 8.5 8.5 kW
Installation, Operation and
Maintenance Manual
2
TABLE OF CONTENTS
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
 Manufacturer


 .................................................................................................................. 3
 ........................................................................................................ 4
 ......................................................................................................... 5
 ............................................................................................................ 6
 ............................................................................................................ 8
 ....................................................................................................................... 9
 ......................................................................................................................12
 .......................................................................................................................13
 .......................................................................................................................14
 ................................................................................................................. 15
 ...........................................................................................................................17
 .........................................................................................................................19
 ......................................................................................................21
 ............................................................................22
 ......................................................................................................24
 ...........................................................................................................28
 ...............................................................................................31
 ................................................................................................................33
 ....................................................................................................35
 ....................................................................................................39
 ............................................................................................................40
 ..............................................................................................................................42
 ............................................................................................................43
 .......................................................................................................44
 .........................................................................................................47
 .............................................................................................................................48
 ...................................................................................................................49
 .................................................................................................50
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RECEIVING INFORMATION
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
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
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

 
 
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 
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 

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 

 

 
 


 
DANGER


!
WARNING


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


!
NOTICE


WARNING





!
WARNING



!
Product Description














14.
5

Standard Features
CAHV units





Materials of Construction





Air Systems

















Coil





Refrigeration Circuit


Controls and Components -









System Options





Electric Heat Option




Wired Wall Control Applications





Condensate Pump








Air Vanes




Heating

















6

Figure 1 - Dimensions: Models 9, 12, 18, & 24 (see Table 1, Page 7)



1




2



- 9/12

3x3 18/24
3



4


5

6



7
Table 1 Dimensions — Models 9, 12, & 24 (see Figure 1, Page 6)
Dimension
Models 9 & 12 Model 18 & 24 Model 30 & 36
 mm  mm  mm
A
25.00 635 37.00 940 37.00 940
B
25.00 635 37.00 940 49.26 1251
C
22.50 572 32.44 824 32.44 824
D
2.04 52 2.00 51 2.04 52
E
22.57 573 30.40 772 44.68 1135
F
1.41 36 1.41 36 1.41 36
G
2.88 73 3.65 93 3.65 93
H
8.13 207 8.90 226 8.90 226
J (ref)
2.67 68 3.38 86 3.38 86
K
25.86 657 35.61 904 47.78 1214
L
12.76 324 18.69 475 24.73 628
M
1.73 44 1.97 50 1.97 50
N (ref)
2.16 55 2.72 69 2.72 69
O
5.12 130 5.12 130 5.12 130
P (ref)
11.34 288 12.05 306 14.01 356
R (typical)
1.50 38 1.63 41 1.63 41
R1
19.50 495 29.19 741 29.19 741
R2
23.27 591 31.20 792 42.66 1084
R3
22.47 571 30.41 772 43.45 1104
S
7.19 183 6.87 174 6.87 174
T
3.73 95 2.58 66 4.98 126
4.88 124 5.50 140 5.47 139
V
3.50 89 4.93 125 5.00 127
W
2.50 64 3.97 101 4.00 102
X
4.69 119 4.37 111 4.37 111

8
INSTALLATION CONSIDERATIONS
Before Installing








.
Table 2 
S1CV
or
S1HV
Model


Equivalent
feet

Lift

Trap

Liquid
Line
Suction
Line
“H” “P”  
09






 1/2"
12  1/2"
18  *5/8"
24 3/8" 
30  
36  







NOTICE

1.

2.


3.

4.

5.


6.

7.


8.


9







1.

.
2.

.
3.



Figure 2 

Hinge
Figure 3 
Blanking-Off
Pieces
Figure 4 Models 9–12 — One Grille & One Filter
10
Positioning

1.



.
2.


3.


4.


5.

6.



7.


8.



Wired Wall Control 



1.


2.


3.


4.


5.


Dimension A + 1” = Minimum Space Above False
Ceiling For Installation
A
A
+1”
Model Dimension A
9 & 12 
18 & 24 
30 & 36 
Ceiling Opening
NOTICE





Table 4 - Ceiling Opening Sizes
Model Dimensions
9 & 12 
18 & 24 
30 & 36 
Figure 5 - Spacing Requirements
Figure 6 - Ceiling Cutout/Rod Placement

(51mm x 45°)
2.000 x 45° TYP
Rod
Positions
1.500 TYP
Rod
Positions
(38mm TYP)
11
Figure 7 
Fold
bracket along
perforations








A. 

B. 

C. 

D. 

 

Table 5 - Ceiling Rod Positions
A
A
B
Model Dimension A Dimension B
9 & 12  
18 & 24  
30 & 36  

Figure 8 - Positioning Installation Guides
INNER CASE
INSULATION
CASSETTE
CASE
Figure 9 



2”
(51mm)
Mounting
1.

.
2.


3.

.
4.

5.

.
6.


7.

.







12


Cassette installation considerations
1.


2.



3.




4.




5.



6.


Figure 10 

Correct
Incorrect
Figure 11 - Condensate Drain
Condensate Drain Connection
CONDENSATE PIPING
13




1.
.



 
& 12.
 
3.
.
4.

5.

it.
6.


7.

Figure 12 
Fresh Air
Knockout
Branch Duct Knockout
Cassette 9-12
CASSETTE 18 - 36
Figure 13 - Cut Insulation And Snip Out


14
Figure 14 
Suction Line Liquid Line
(When a reducing bushing is required, install
only at the indoor suction-line connection.)
REFRIGERANT PIPING
Piping Preparation











.
Refrigerant Piping
1.
.
2.

.
3.


4.

5.


Figure 15 - Clean Ends Of Tubing
Figure 16 
Figure 17 




15
COMMON





COMMON

REFRIGERANT PROCESSING

1.

See .
2.


See .

 



3.


.
Refer to refrigerant charge table for specied charge.
4.

Only add/remove R410A in liquid
 See .
5.









NOTICE




Common Suction Por
• Common Suction Port 






Figure 18 
Figure 19 
A
B
C
S1HV
Shown
A

B

C

Figure 20 














S1HV

Figure 21 

16
Condenser Cassette
Pairing

Per Foot
Factory

   
   
   
   
   
   
 
09
 
 
12
 
 
18
 
 
24
 
 
30
 
 
36
 
REFRIGERANT PROCESSING





Table 6 - S1CV / S1HV R410A Refrigerant

17
Assembly Instructions
1.

a.

b.

c.


2.



3.



4.


a.


b.


5.


6.


7.

.
8.



9.

Figure 22 - Mounting Bolts
Figure 23 
Figure 24 - Wire Routing

18
Figure 25 - Connect Vane Motor Plug Into




Figure 26 
Figure 27 
Figure 28 - Adjust Louver Position 30° From
Plumb



19
Figure 29 - Remove Control Box Cover
Rating Plate
Figure 30 - Electrical Connections
L2

L1


Low-Voltage
Connections
General Electrical Requirements



WARNING



!
1.


2.


3.


4.


5.


6.
AWg.
Connect Wiring
1.


.
2.

3.




4.


1.

.
2.



3.


Terminate ALL unused wires with wire nut or crimp
connector.
ELECTRICAL WIRING
20


1.




2.


3.






.
Figure 31 
Cooling Only
Figure 32 

Heating
Cooling Only




.



Heat Pump Connection





See .





ELECTRICAL WIRING
Wiring Diagram Located
inside control panel
cover)
Figure 33 - Wiring Diagram Location
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EMI CAHV Installation & Operation Manual

EMI
Brand
EMI
Model
CAHV
Category
Split-system air conditioners
Type
Installation & Operation Manual
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