ECR International UNHV30 User manual
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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TABLE OF CONTENTS
Manufacturer
Check our website frequently for updates: www.enviromaster.com
3
RECEIVING INFORMATION
General Information
4
Safety Information
DANGER
!
WARNING
!
CAUTION
!
NOTICE
WARNING
!
WARNING
!
5
Model A B C D E F G H J
5½”
35”
193/16”
2½”
107/16”
40½”
5½”
45”
193/16”
2½”
107/16”
50½”
12 51/16”
55 7/16”
2020/32”
2½”
1113/16”
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 specied 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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5
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