EMI UNHV Installation & Operation Manual

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

This manual is also suitable for

P/N# 240009098, Rev. D [08/06/2013]

UNHV
Variable Speed Ductless Split System
Air Handler

UNHV09 UNHV12 UNHV18 UNHV24 UNHV30 UNHV36 
9,000 12,000 18,000 24,000 29,800 33,400 
COOL
2.6 3.5 5.3 7.0 8.8 9.8 kW
8,800 10,000 18,000 21,000 26,000 26,400 

2.5 2.6 5.0 5.6 7.6 7.7 kW
Installation, Operation and
Maintenance Manual
ECR International, Inc.
2201 Dwyer Avenue,
Utica NY 13501
web site: www.ecrinternational.com
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 .................................................................................................................. 3
 ........................................................................................................ 4
 ............................................................................................................ 5
 ......................................................................................................... 6
 ............................................................................................................................. 8
 .......................................................................................................................... 8
 .............................................................................................................................. 8
 ............................................................................................................................. 9
 ......................................................................................................................10
 .......................................................................................................................11
 .................................................................................................................13
 .........................................................................................................................15
 ..................................................................................................................20
 ..................................................................................................................21
 ...........................................................................................................................23
 .........................................................................................................................24
 ..................................................................................................................25
 .................................................................................................................27
 ....................................................................................................29
 .......................................................................................................33
 .....................................................................................................................34
 ...........................................................................................................35
 ..............................................................................................................................36
 ..........................................................................................................................37
 .........................................................................................................39
 .....................................................................................................40
 .................................................................................................................41
 .................................................................................................42
TABLE OF CONTENTS

Manufacturer


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


RECEIVING INFORMATION
General Information















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




 
 
Safety Information
 
 
 



 

 

 

 


 
DANGER


!
WARNING


!
CAUTION


!
NOTICE


WARNING




!
WARNING



!
5

Model A B C D E F G H J
    5½”

35”

19
3
/
16
”

2½”

10
7
/
16
”

40½”

    5½”

45”

19
3
/
16
”

2½”

10
7
/
16
”

50½”

 
12


5
1
/
16
”

55
7
/
16
”

20
20
/
32
”

2½”

11
13
/
16
”

61½”


1.


2.

3.


4.




5.



11
/
16

6.



7.
1⅝"


8.




9.


10.


11.

12.
1⅝"


13.
1⅝"





14.
1⅝





15.







16.



17.


Figure 1 - Dimensions, Openings And Knockouts
6
GENERAL PRODUCT INFORMATION
Product Description












Controls And Components








































Cabinet Features:





Optional Equipment





Installer Supplied Items







7
GENERAL PRODUCT INFORMATION
NOTICE



S1CV/
S1HV
or
Model


Equivalent
Feet

Lift

Trap

Liquid
Line
Suction
Line
“H” “P”  
09 





 
12  
18  
24  
30  
36  




Condensate Pump Kit Option
 
.
 
.
Optional Toe Kick Kit

See .


Site Preparation










Installation Considerations






.
Table 1 
Insulated
Floor-Mounted Units
Air Handler 208/230v 115v
09 / 12 550001727 550001728
18 / 24 550001727 550001727


Ceiling-Mounted Units
Air Handler 208/230v 115v
 240006200 240006199
Air Handler Part number
09 / 12
550001785
18 / 24
550001786
30 / 36
550001787



Table 2 - Condensate Pump Kits, UNHV 09-24
Table 3 - Toe Kick Kits
Ceiling Mounted Units
Air Handler
Kit #
09/12
550001915
18 / 24
550001916
30 / 36
550001917


Table 4 - Drain Pan Extension Kits
8
UNIT MOUNTING
NOTICE




Unit Mounting Instructions
1.





2.



3.
See 

4.



Ceiling Mounted
Wall Mounted
5.


6.

.
7.

A. 
B. 



C. 

D. 

 

Grille screws
Loosen top
screws




Figure 2 - Mounting Options
Figure 3 Removing Front Grill
9
UNIT MOUNTING
Unit Mounting Instructions
WARNING




!
Ceiling Mounting


.
Wall Mounting


.
Figure 4 Ceiling Mounting
T
Rod
Figure 5 Wall Mounting
m


10
CONDENSATE PIPING






A. 

B. 


C. 




D. 















-


Figure 6 Condensate Piping
11
REFRIGERANT PIPING
Figure 7 Refrigerant Connections
S


Piping Preparation

















.
See 

See 

12
REFRIGERANT PIPING
Line Sizing
1.
.
2.





3.



Refrigerant Piping
1.

.
2.

.
3.
.

4.

Pressure test



Figure 8 Clean ends of tubing
Figure 9 Place Wet Rag “Heat Sink" Over

Protect Paint
Wet rag heat sink
Shield
NOTICE




13
REFRIGERANT PROCESSING
Refrigerant Processing
1.


2.



A. 
B. 
C. 
D. 
3.



Refer to refrigerant charge table for specied charge.
4.

 Only add/remove R410A in liquid
form. See .
5.
-






Charge with dial-a-charge or weighed in with scale.
NOTICE










Common Suction Port
• Common Suction Port






Figure 13 Common Suction, Common

COMMON
DISCHARGE
PORT
HIGH PRESSURE
SWITCH
COMMON
SUCTION
PORT
14
REFRIGERANT PROCESSING





Table 5 - S1CV / S1HV R410A Refrigerant

Condenser Cassette
Pairing

Per Foot
Factory

   
   
   
   
   
   
 
09
 
 
12
 
 
18
 
 
24
 
 
30
 
 
36
 
15
ELECTRICAL WIRING
Figure 14 Electrical Connections
Wall
Mounted
Electrical connections
Ceiling
Mounted
Electrical connections
Site Preparation For Wiring



WARNING



!
1.



2.



3.


4.
See 






Connect Wiring
1.



2.


16
ELECTRICAL WIRING

1.



2.


3.






18 AWG.



Low voltage connections
Figure 15 

Compartment


Ground
L2
L1
Figure 16 
Figure 17 
17
ELECTRICAL WIRING
Cooling Only Connection





.



Heat Pump Connection





.







18 AWG.
Figure 18 Unit-Mounted Controls —
Cooling Only
Figure 19 Unit-Mounted Controls —
Heat Pump Connection
18
ELECTRICAL WIRING
Wired Wall Controller

18 AWG.





Optional Wired Wall Controller Connection




.








Heat Pump Applications
-
 See 


Heat pumps only:









Replace control
box cover screws
Figure 20 Replace Cover Box
19
ELECTRICAL WIRING
Figure 21 
Figure 22 
20

Re-Assemble Cabinet


See .
1.




2.

3.

4.

5.

See .
1.

2.

Figure 23 

Loosen top
screws
Remove center
screws
Loosen
bottom screws
Figure 24 
Grille screws
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EMI UNHV Installation & Operation Manual

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