Geostar Arbor Base Series User manual

Arbor Base Series Installation Manual
I t ll ti M l
IM1201AZB 03/16
Installation Information
Water Piping Connections
Hot Water Connections
Electrical
Startup Procedures
Troubleshooting
Preventive Maintenance
COMMERCIAL
Water Source/Geothermal Heat Pump
• R-410A Refrigerant
• Commercial 0.75-6 Ton
ARBOR BASE SERIES
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ARBOR BASE SERIES INSTALLATION MANUAL
Table of Contents
Model Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Installation Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Dimensional Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
Installing Horizontal Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Hanger Bracket Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Duct System and Water Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Water Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Condensate Drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
System Cleaning and Flushing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Open Loop Ground Water Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Freeze Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Blower Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-25
5-Speed ECM Constant Torque Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26-31
Controls - Aurora Base Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32-35
Unit Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Operating Parameters and Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Compressor and Thermistor Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Refrigerant Circuit Guideline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Heat of Extraction/Rejection Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Reference Calculations and Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Startup/Troubleshooting Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacement Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Revision Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4
ARBOR BASE SERIES INSTALLATION MANUAL
Model Nomenclature
All Arbor Base Series product is safety listed under UL1995 thru ETL and performance listed with AHRI in
accordance with standard 13256-1.
Z B
Z
B
13-5678
Model Type
Z –Arbor
Operation Range
B –Base Series
Cabinet Configuration
V –Vertical
H –Horizontal
Unit Capacity (MBTUH)
006, 009, 012, 015,
018, 024, 030, 036,
041 (Vertical)
042, 048, 060, 070
Discharge Configuration
T –Top (Vertical)
E –End (Horizontal)
S –Side (Horizontal)
Return Air Configuration
L –Left
R –Right
Voltage
0 –208-230/60/1
2 –265-277/60/1 (018-036)
3 –208-230/60/3 (024-070)
4 –460/60/3 (024-070)
5 –575/60/3 (PSC Only 042-070)
9 –115/60/1 (006-012)
Refrigeration Option
0 –None
Blower Motor Options
0 –PSC Blower
1 –Variable Speed ECM Blower (015-070)
4 –5-Speed ECMBlower (015-070)
Water Coil Option
C –Copper
D –Insulated Copper
N –CuproNickel
P –Insulated CuproNickel
Sound Kit Option
A –None
B –Sound Kit (Not Available on H006-012)
Vintage
* - Factory UseOnly
Non-Standard Options
SS –Standard
DrainPan Option
0 –Composite, No Secondary Connection
1 –Composite, Secondary Connection
2 –Stainless Steel, No Secondary Connection
3 –Stainless Steel, Secondary Connection
Air Coil Option
3 –All-Aluminum Air Coil
4 –All-Aluminum Air Coil with AlumiSealTM
Filter
A –MERV 4
B –MERV 13
Cabinet Option
0 –Unpainted Cabinet, Filter Rail
1 –Painted Cabinet, Filter Rail
2 –Unpainted Cabinet, 4-Sided Filter Rack
3 –Painted Cabinet, 4-Sided Filter Rack
Electrical Options
N –No Phase Guard, No Disconnect
P –Phase Guard, No Disconnect
B –Phase Guard, Disconnect
D –No Phase Guard, Disconnect
Control Option
A –AuroraTM Base Control (ABC)
Water ControlOption
N –None
R –Water Flow Regulator (015-070)
V –2-Way Valve (015-070)
B –2-Way Valve w/ WaterFlow Regulator
(015-070)
91011 13
12 14 15 16 17 18 19 20-21 22
Note: Phase Guard Only Available on 208-230/60/3 and 460/60/3
Some options not available in ZBV041.
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5
ARBOR BASE SERIES INSTALLATION MANUAL
Installing and servicing heating and air conditioning equipment
can be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should install,
repair or service heating and air conditioning equipment. Untrained
personnel can perform the basic maintenance functions of clean-
ing coils and cleaning and replacing filters. All other operations
should be performed by trained service personnel. When working
on heating and air conditioning equipment, observe precautions in
the literature, tags and labels attached to the unit and other safety
precautions that may apply.
Follow all safety codes. Wear safety glasses and work gloves. Use
a quenching cloth for brazing operations and have a fire extin-
guisher available.
Moving and Storage
Move units in the normal “up” orientation. Horizontal units may
be moved and stored per the information on the packaging. Do
not stack more than three units in total height. Vertical units may
be stored one upon another to a maximum height of two units.
Do not attempt to move units while stacked. When the equipment
is received, all items should be carefully checked against the bill
of lading to be sure all crates and cartons have been received.
Examine units for shipping damage, removing the units from the
packaging if necessary. Units in question should also be internally
inspected. If any damage is noted, the carrier should make the
proper notation on the delivery receipt, acknowledging the damage.
Safety Considerations
General Installation Information
WARNING: Before performing service or maintenance
operations on a system, turn off main power switches
to the indoor unit. If applicable, turn off the accessory
heater power switch. Electrical shock could cause
personal injury.
Vertical Unit Mounting
2 in. PEX Foam
Unit Location
Locate the unit in an indoor area that allows for easy removal of
the filter and access panels. Location should have enough space
for service personnel to perform maintenance or repair. Provide
sufficient room to make water, electrical and duct connection(s). If
the unit is located in a confined space, such as a closet, provisions
must be made for return air to freely enter the space by means of a
louvered door, etc. Any access panel screws that would be difficult
to remove after the unit is installed should be removed prior to
setting the unit. On horizontal units, allow adequate room below
the unit for a condensate drain trap and do not locate the unit
above supply piping. Care should be taken when units are located
in unconditioned spaces to prevent damage from frozen water
lines and excessive heat that could damage electrical components.
Installing Vertical Units
Vertical units are available in left or right air return configurations.
Top flow vertical units should be mounted level on a vibration
absorbing pad slightly larger than the base to provide isolation
between the unit and the floor.

6
ARBOR BASE SERIES INSTALLATION MANUAL
Vertical Dimensional Data
1
2
8
ACCESS
PANEL
Air coil
AIR COIL SIDE
AIR COIL SIDE
Air coil
5
Power supply
1 in (25.4 mm)
knockout
Low voltage
1/2" (12.7 mm)
knockout
Condensate
3/4 in PVC
glue socket
FRONT FRONT
Right View - Right Return (J & L)
Left View - Left Return (K & L)
Air coil
5
Condensate 3/4 in
PVC glue socket
1
2
6
8
78
7
8
6
Standard filter rails for
open return applications
Deluxe filter rack for
ductable return applications
2' (61 cm)
Service Access Left Return
(Right Return Opposite Side)
2' (61 cm)
Alternate
Service Access
Field installed
duct flange
ACCESS
PANEL
ACCESS
PANEL
ACCESS
PANEL
Front View - Left Return
Top View - Right Return Top View - Left Return
P
Q
B
RN
A
Front View - Right Return
UT
C
D
E
H
F
1.6 in (4.1 cm)
W
V
1.6 in (4.1 cm)
DEH
C
1.6 in
(4.1 cm)
1.6 in (4.1 cm)
LLK
J
F
Q
PB
SN
MM
A
Isometric View - Left Return
KL
L
J
NOTE: * Water connections protrude approximately 1.5 in. (3.81cm) from cabinet.
Water
Connections*
Water
Connections*

7
ARBOR BASE SERIES INSTALLATION MANUAL
Vertical Dimensional Data cont.
Alternative
Power Supply
Disconnect Located
on this Side for a
Right Return
Disconnect
Location
Vertical Shown in Left
Return Configuration
Power
Supply
LL
Vertical Models LL
015-018 15.8 [40.1]
024-030 18.8 [47.8]
036 15.3 [38.9]
042-048 13.8 [35.1]
060 14.3 [36.3]
070 14.3 [36.3]
Dimensions in inches [cm]
* Models 006-012 - Externally Mounted Disconnect
**UBV-041 - Disconnect not available
V
ertical Disconnect
When using disconnect, do not use dimension L from the standard
vertical dimensional data. Use dimension LL from the vertical
disconnect dimensional data.
Vertical
Models
Overall Cabinet Water Connections Electrical Knockouts
678
12 5 J K L
ABCDEHLoop 1/2” cond 1/2” cond 1” cond M
Width Depth Height* In Out Condensate Water FPT Low
Voltage Low Voltage Power Sup- ply Filter Rack Width
006-012 in. 19.2 19.2 24.2 2.6 5.6 8.8 1/2” 7.4 3.4 5.4 2.2
cm. 48.8 48.8 61.5 6.6 14.2 22.4 12.7 mm 18.8 8.6 13.7 5.6
015-018 in. 22.5 22.2 30.2 2.6 7.6 10.8 3/4” 9.4 5.4 7.4 2.2
cm. 57.2 56.4 76.7 6.6 19.3 27.4 19.1 mm 23.9 13.7 18.8 5.6
024-030 in. 22.5 22.2 36.2 2.6 7.6 10.8 3/4” 9.4 5.4 7.4 2.2
cm. 57.2 56.4 91.9 6.6 19.3 27.4 19.1 mm 23.9 13.7 18.8 5.6
036 in. 22.5 26.2 40.2 2.6 7.6 10.8 3/4” 10.1 6.1 8.1 2.2
cm. 57.2 66.5 102.1 6.6 19.3 27.4 19.1 mm 25.7 15.5 20.6 5.6
041 in. 21.5 21.5 40.2 2.6 7.6 10.8 3/4” 9.4 5.4 7.4 1.2
cm. 54.6 54.6 102.1 6.6 19.3 27.4 19.1 mm 23.9 13.7 18.8 3.0
042-048 in. 22.5 26.2 44.2 2.6 7.6 10.8 3/4” 10.1 6.1 8.1 2.2
cm. 57.2 66.5 112.3 6.6 19.3 27.4 19.1 mm 25.7 15.5 20.6 5.6
060 in. 25.5 31.2 44.2 2.6 7.6 10.8 1” 10.1 6.1 8.1 2.2
cm. 64.8 79.2 112.3 6.6 19.3 27.4 25.4 mm 25.7 15.5 20.6 5.6
070 in. 25.5 31.2 48.2 2.6 7.6 10.8 1” 10.1 6.1 8.1 2.2
cm. 64.8 79.2 122.4 6.6 19.3 27.4 25.4 mm 25.7 15.5 20.6 5.6
Vertical
Models
Discharge Connection
duct flange installed (±0.10 in) **Return Connection using deluxe filter rack (±0.10 in)
NPQRSTUVW
Supply Width Supply Depth Return Depth Return Height
006-012 in. 10.0 10.0 4.6 4.4 7.8 2.4 14.3 10.1 2.0
cm. 25.4 25.4 11.7 11.2 19.8 6.1 36.3 25.7 5.1
015-018 in. 14.0 14.0 4.1 4.3 7.7 2.1 18.1 14.0 2.0
cm. 35.6 35.6 10.4 10.9 19.6 5.3 46.0 35.6 5.1
024-030 in. 14.0 14.0 4.1 4.3 7.7 2.1 18.1 20.0 2.0
cm. 35.6 35.6 10.4 10.9 19.6 5.3 46.0 50.8 5.1
036 in. 14.0 14.0 6.1 4.5 7.7 2.1 22.1 22.1 2.0
cm. 35.6 35.6 15.5 11.4 19.6 5.3 56.1 56.1 5.1
041 in. 14.0 14.0 3.8 3.5 6.7 0.6 20.2 28.0 0.6
cm. 35.6 35.6 9.7 8.9 17.0 1.5 51.3 71.1 1.5
042-048 in. 18.0 18.0 4.1 2.1 3.9 2.1 22.1 26.1 2.0
cm. 45.7 45.7 10.4 5.3 9.9 5.3 56.1 66.3 5.1
060 in. 18.0 18.0 6.6 4.6 6.3 1.6 28.1 26.0 2.0
cm. 45.7 45.7 16.8 11.7 16.0 4.1 71.4 66.0 5.1
070 in. 18.0 18.0 6.6 4.6 6.3 1.6 28.1 30.0 2.0
cm. 45.7 45.7 16.8 11.7 16.0 4.1 71.4 76.2 5.1
Condensate is 3/4” PVC female glue socket and is switchable from side to front. 10/15/15
*Discharge flange is field installed and extends 1” (25.4 mm) from top of cabinet.
**Vertical units shipped with standard 2” (field adjustable to 1”) open application filter rack extending 2.2” from unit and is not suitable for duct connection.
For ductable return connection applications, order the deluxe 2” (field adjustable to 1”) duct collar/filter rack which extends 3.25

8
ARBOR BASE SERIES INSTALLATION MANUAL
Horizontal Dimensional Data
Right Return
End Discharge Left Return End Discharge
End Discharge End Discharge
Side Discharge
Side Discharge
Right Return Left Return
Front Front
CMP CMP
AP AP
Condensate
"X" PVC size Condensate
"X" PVC size
Right Return Air Front View
BLOWER
OUTLET
BLOWER
OUTLET
Right Return Side Discharge Left Return Side Discharge
Right Return Side View Left Return Side View
FILTER RACK CONNECTION FILTER RACK CONNECTION
Front Front
Air Coil Air Coil
Left Return Air Front View
CP
BLOWER
OUTLET
BLOWER
OUTLET
Front Front
CMP
AP
CMP
AP
AP
AIR COIL SIDE
AIR COIL SIDE
1/2 in knockout
1/2 in knockout
1 in knockout
1 in knockout
1" knockout
1 in knockout
1/2 in knockout
1/2 in knockout
BP
BP
FILTER RACK
FILTER RACK
Standard filter rails
Standard filter rails
Deluxe filter rack option shown Deluxe filter rack option shown
Deluxe filter
rack option
(shown)
B
B
CC
L
M
N
P
L
M
P
N
A
L
M
P
N
C
L
M
C
A
PN
D
E
J
A
1.7 1.7
H
2.1 2.1
H
D
EK
J
K
1.7 1.7
J
KJ
K
1.5 1.5
SQ SQ
T
R
T
R
2.3 2.3
Legend
AP = Alternate Service Panel
BP = Blower Service Panel
CP = Control Access Panel
CMP=Compressor Service Panel
2' (61 cm)
ServiceAccess
2' (61 cm)
ServiceAccess
CMP
CP
AP
CMP
1
2
33
Water Connections*
NOTE: * Water connections protrude approximately 1.5 in. from cabinet.
Water Connections*
BP
BP

9
ARBOR BASE SERIES INSTALLATION MANUAL
Horizontal Dimensional Data cont.
Disconnect Located on this
Side for a Left Return
Disconnect
Location
Horizontal Shown
In Right Return
Configuration
Power Supply
KK
Horizontal Models KK
015-018 8.2 [20.8]
024-030 8.2 [20.8]
036 9.2 [23.4]
042-048 9.2 [23.4]
060 11.2 [28.4]
070 10.2 [25.9]
Dimensions in inches [cm]
* Models 006-012 - Externally Mounted Disconnect
Horizontal Disconnect
When using disconnect, do not use dimension K from the standard
horizontal dimensional data. Use dimension KK from the horizontal
disconnect dimensional data.
Horizontal
Models
Overall Cabinet Water Connections Electrical Knockouts
123
Loop JK
A B C D E H 1/2 in. cond 1 in. cond
Width Depth Height* In Out Condensate Water FPT Low Voltage Power Supply
006-012** in. 19.2 35.0 12.1 1.8 4.8 3.6 1/2 in. 7.4 7.5
cm. 48.8 88.9 30.7 4.6 12.2 9.1 12.70 mm 18.8 19.1
015-018 in. 22.5 35.0 17.2 1.8 6.8 0.8 3/4 in. 7.1 7.1
cm. 57.2 88.9 43.7 4.6 17.3 2.0 19.05 mm 18.0 18.0
024-030 in. 22.5 42.0 17.2 1.8 6.8 0.8 3/4 in. 7.1 7.1
cm. 57.2 106.7 43.7 4.6 17.3 2.0 19.05 mm 18.0 18.0
036 in. 22.5 42.0 19.2 1.8 6.8 0.8 3/4 in. 9.2 7.1
cm. 57.2 106.7 48.8 4.6 17.3 2.0 19.05 mm 23.4 18.0
042-048 in. 22.5 45.0 19.2 1.8 6.8 0.8 3/4 in. 9.2 7.1
cm. 57.2 114.3 48.8 4.6 17.3 2.0 19.05 mm 23.4 18.0
060 in. 25.5 48.0 21.2 1.8 6.8 0.8 1 in. 9.2 9.1
cm. 64.8 121.9 53.8 4.6 17.3 2.0 25.4 mm 23.4 23.1
070 in. 25.5 53.0 21.2 1.8 6.8 0.8 1 in. 9.2 9.1
cm. 64.8 134.6 53.8 4.6 17.3 2.0 25.4 mm 23.4 23.1
Horizontal
Models
Discharge Connection
duct flange installed (±0.10 in) Return Connection using deluxe filter rack option (±0.10 in) PVC Size
LMNPQRSTX
Supply Width Supply Depth Return Depth Return Height
006-012** in. 2.3 8.0 10.0 2.7 22.5 9.4 2.4 1.4 1/2 in.
cm. 5.8 20.3 25.4 6.9 57.2 23.9 6.1 3.6 1.3
015-018 in. 5.7 10.5 9.4 4.9 16.4 14.5 2.0 1.4 3/4 in.
cm. 14.5 26.7 23.9 12.4 41.7 36.8 5.1 3.6 1.9
024-030 in. 5.7 10.5 9.4 4.9 23.4 14.5 2.0 1.4 3/4 in.
cm. 14.5 26.7 23.9 12.4 59.4 36.8 5.1 3.6 1.9
036 in. 6.7 10.5 9.4 4.9 27.4 16.5 2.0 1.4 3/4 in.
cm. 17.0 26.7 23.9 12.4 69.6 41.9 5.1 3.6 1.9
042-048 in. 4.2 13.6 13.2 2.4 30.4 16.5 2.0 1.5 3/4 in.
cm. 10.7 34.5 33.5 6.1 77.2 41.9 5.1 3.8 1.9
060 in. 4.8 13.6 13.2 4.6 35.4 18.7 2.3 1.3 3/4 in.
cm. 12.2 34.5 33.5 11.7 89.9 47.5 5.8 3.3 1.9
070 in. 4.8 13.6 13.2 4.6 40.4 18.5 2.3 1.4 3/4 in.
cm. 12.2 34.5 33.5 11.7 102.6 47.0 5.8 3.6 1.9
09/26/12
Horizontal units shipped with standard 2 in. (field adjustable to 1 in.) open application filter rail extending 2.2 in. from the unit and is not
suitable for duct connection. For ductable return connection applications, order the 2 in. (field adjustable to 1 in.) duct collar/filter rack which
extends to 3.25 in. from the unit and is suitable for duct connections.
** H006-012 offers a lifted drain pan that allows the trap to be installed without additional ceiling height required.

10
ARBOR BASE SERIES INSTALLATION MANUAL
Installing Horizontal Units
Horizontal units are available with side or end discharge and may
be easily field converted by flipping the blower discharge panel.
Horizontal units are normally suspended from a ceiling by four 3/8
in. diameter threaded rods. The rods are usually attached to the
unit by hanger bracket kits furnished with each unit. Lay out the
threaded rods per the dimensions below. Assemble the hangers to
the unit as shown. Securely tighten the brackets to the unit using
the weld nuts located on the underside of the bottom panel. When
attaching the hanger rods to the bracket, a double nut is required
since vibration could loosen a single nut.
NOTE: The unit should be pitched approximately 1/4 in. towards
the drain in both directions to facilitate the removal of condensate.
Horizontal Unit Mounting
Use only the bolts provided in the kit to attach hanger brackets.
The use of longer bolts could damage internal parts. Some
applications require the installation of horizontal units on an attic
floor. In this case, the unit should be set in a full size secondary
drain pan on top of a vibration absorbing pad. The secondary
drain pan prevents possible condensate overflow or water leakage
damage to the ceiling. The secondary drain pan is usually placed
on a plywood base isolated from the ceiling joists by additional
layers of vibration absorbing material. Insulate supply plenum and
use at least one 90° elbow and flexible duct collar to reduce noise.
CAUTION: Do not use rods smaller than 3/8 in.
diameter since they may not be strong enough
to support the unit. The rods must be securely
anchored to the ceiling.
Installing Horizontal Units

11
ARBOR BASE SERIES INSTALLATION MANUAL
Hanger Bracket Locations
BC
A
E
D
G
F
Left
D
E
F
G
Right
Vibration Isolator
Washer
Hex Nuts
(not supplied)
Bolt and
Lockwasher
3/8”
Threaded Rod
(not supplied)
Compressor
Section
Compressor
Section
Air Handler
Section
Air Handler
Section
Hanger Dimensions
Model Hanger Kit
Part Number Unit Hanger Dimensions
ABC
006-012 in. 99S500A04 35.8 21.8 18.1
cm. 90.9 55.4 46.0
015-018 in. 99S500A04 35.8 25.1 21.4
cm. 90.9 63.8 54.4
024-030 in. 99S500A04 42.8 25.1 21.4
cm. 108.6 63.8 54.4
036 in. 99S500A04 42.8 25.1 21.4
cm. 108.7 63.8 54.4
042-048 in. 99S500A04 45.8 25.1 21.4
cm. 116.3 63.8 54.4
060 in. 99S500A04 48.8 28.1 24.4
cm. 124.0 71.4 62.0
070 in. 99S500A04 53.8 28.1 24.4
cm. 136.7 71.4 62.0
09/26/12
Weight Distribution Table
Model Vertical Shipping
Weight
Horizontal
Shipping
Weight
Horizontal Weight Distribution
Front Back
DEFG
006-012 lbs 111 112 44 21 19 28
kg 50 51 20 10 9 12
015-018 lbs 171 176 32 67 32 45
kg 78 80 15 30 15 20
024 lbs 245 242 47 85 45 65
kg 111 110 21 39 20 29
030 lbs 245 242 47 85 45 65
kg 111 110 21 39 20 29
036 lbs 267 265 60 95 50 60
kg 121 120 27 43 23 27
041 lbs 243 N/A
kg 110
042 lbs 305 310 68 105 60 77
kg 138 141 31 48 27 35
048 lbs 305 310 68 105 60 77
kg 138 141 31 48 27 35
060 lbs 344 350 77 115 68 90
kg 156 159 35 52 31 41
070 lbs 357 378 80 130 73 95
kg 162 171 36 59 33 43
10/15/2015

12
ARBOR BASE SERIES INSTALLATION MANUAL
An air outlet collar is provided on vertical top flow units and all
horizontal units to facilitate a duct connection. A flexible connector
is recommended for discharge and return air duct connections
on metal duct systems. Uninsulated duct should be insulated
with a minimum of 1-inch duct insulation. Application of the
unit to uninsulated ductwork in an unconditioned space is not
recommended as the unit’s performance will be adversely affected.
If the unit is connected to existing ductwork, check the duct
system to ensure that it has the capacity to accommodate the air
required for the unit application. If the duct is too small, as in the
replacement of heating only systems, larger ductwork should be
installed. All existing ductwork should be checked for leaks and
repaired if necessary.
Duct System
Water Piping
The duct system should be sized to handle the design airflow
quietly and efficiently. To maximize sound attenuation of the unit
blower, the supply and return plenums should include an internal
duct liner of fiberglass or constructed of ductboard for the first few
feet. On systems employing a sheet metal duct system, canvas
connectors should be used between the unit and the ductwork. If
air noise or excessive airflow is a problem, the blower speed can
be changed.
The proper water flow must be provided to each unit whenever the
unit operates. To assure proper flow, use pressure/temperature
ports to determine the flow rate. These ports should be located at
the supply and return water connections on the unit. The proper
flow rate cannot be accurately set without measuring the water
pressure drop through the refrigerant-to-water heat exchanger.
All source water connections on commercial units are fittings that
accept a male pipe thread (MPT). Insert the connectors by hand,
then tighten the fitting with a wrench to provide a leakproof joint.
When connecting to an open loop (groundwater) system, thread
any copper MPT fitting into the connector and tighten in the same
manner as described above.

13
ARBOR BASE SERIES INSTALLATION MANUAL
1/2'' Pitch
Drain
Unit Pitch for DrainHorizontal Drain Connection (Composite Drain Pan)
Condensate Drain
On vertical units, the internal condensate drain assembly consists
of a drain tube which is connected to the drain pan, a 3/4 in. PVC
female adapter and a flexible connecting hose. The female adapter
may exit either the front or the side of the cabinet. The adapter
should be glued to the field-installed PVC condensate piping.
On vertical units, a condensate hose is inside all cabinets as a
trapping loop; therefore, an external trap is not necessary.
On horizontal units, a PVC stub or stainless steel tube is provided
for condensate drain piping connection. An external trap is required
(see below). If a vent is necessary, an open stand pipe may be
applied to a tee in the field-installed condensate piping.
NOTE: All units equipped with electronic condensate
overflow protection.
In ground water situations where scaling could be heavy or where
biological growth such as iron bacteria will be present, a closed
loop system is recommended. The heat exchanger coils in ground
water systems may, over a period of time, lose heat exchange
capabilities due to a buildup of mineral deposits inside. These
can be cleaned, but only by a qualified service mechanic, as
special solutions and pumping equipment are required. Hot water
generator coils can likewise become scaled and possibly plugged.
Water Quality
Material Copper 90/10 Cupronickel 316 Stainless Steel
pH Acidity/Alkalinity 7 - 9 7 - 9 7 - 9
Scaling Calcium and
Magnesium Carbonate (Total Hardness) less than 350 ppm (Total Hardness) less than 350 ppm (Total Hardness) less than 350 ppm
Corrosion
Hydrogen Sulfide Less than 0.5 ppm (rotten egg
smell appears at 0.5 ppm) 10 - 50 ppm Less than 1 ppm
Sulfates Less than 125 ppm Less than 125 ppm Less than 200 ppm
Chlorine Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm
Chlorides Less than 20 ppm Less than 125 ppm Less than 300 ppm
Carbon Dioxide Less than 50 ppm 10 - 50 ppm 10 - 50 ppm
Ammonia Less than 2 ppm Less than 2 ppm Less than 20 ppm
Ammonia Chloride Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm
Ammonia Nitrate Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm
Ammonia Hydroxide Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm
Ammonia Sulfate Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm
Total Dissolved Solids (TDS) Less than 1000 ppm 1000 - 1500 ppm 1000 - 1500 ppm
LSI Index +0.5 to -0.5 +0.5 to -0.5 +0.5 to -0.5
Iron Fouling
(Biological Growth)
Iron, FE2+ (Ferrous)
Bacterial Iron Potential < 0.2 ppm < 0.2 ppm < 0.2 ppm
Iron Oxide Less than 1 ppm, above this level
deposition will occur Less than 1 ppm, above this level deposition will occur Less than 1 ppm, above this level deposition will occur
Erosion Suspended Solids Less than 10 ppm and filtered for
max. of 600 micron size Less than 10 ppm and filtered for max. of 600 micron size Less than 10 ppm and filtered for max. of 600 micron size
Threshold Velocity
(Fresh Water) < 6 ft/sec < 6 ft/sec < 6 ft/sec
NOTES: Grains = ppm divided by 17
mg/L is equivalent to ppm 2/22/12
In areas with extremely hard water, the owner should be informed
that the heat exchanger may require occasional flushing. Failure
to adhere to the guidelines in the water quality table could result in
loss of warranty.
Units with cupronickel heat exchangers are recommended for open
loop applications due to the increased resistance to build-up and
corrosion, along with reduced wear caused by acid cleaning.
1.5 in. 1.5 in.
PVC tube stub
PVC coupling Vent (if needed)
PVC tube stub
1/8 in. per foot
NOTE: ZBH006-012 offers a lifted
drain pan that allows the trap to be
installed without additional ceiling
height required.

14
ARBOR BASE SERIES INSTALLATION MANUAL
System Cleaning and Flushing
Cleaning and Flushing
Prior to start up of any heat pump, the water circulating system
must be cleaned and flushed of all dirt and debris.
If the system is equipped with water shutoff valves, the supply and
return runouts must be connected together at each unit location
(This will prevent the introduction of dirt into the unit, see Flushing
with Water Shutoff Valve Equipped Systems illustration). The
system should be filled at the water make-up connection with all air
vents open. After filling, vents should be closed.
The contractor should start the main circulator with the pressure
reducing valve makeup open. Vents should be checked in
sequence to bleed off any trapped air and to verify circulation
through all components of the system.
As water circulates through the system, the contractor should
check and repair any leaks found in the piping system. Drain(s) at
the lowest point(s) in the system should be opened for initial flush
and blowdown, making sure water fill valves are set at the same
rate. Check the pressure gauge at the pump suction and manually
adjust the make-up water valve to hold the same positive pressure
both before and after opening the drain valves. Flushing should
continue for at least two hours, or longer if required, until drain
water is clean and clear.
The supplemental heater and/or circulator pump, if used, should
be shut off.All drains and vents should be opened to completely
drain the system. Short-circuited supply and return runouts should
now be connected to the unit supply and return connections.
Refill the system with clean water. Test the system water for acidity
and treat as required to leave the water slightly alkaline (pH 7.5 to
8.5). The specified percentage of antifreeze may also be added
at this time. Use commercial grade antifreeze designed for HVAC
systems only. Environol™ brand antifreeze is recommended.
Once the system has been filled with clean water and antifreeze
(if used), precautions should be taken to protect the system
from dirty water conditions. Dirty water will result in system-wide
degradation of performance, and solids may clog valves, strainers,
flow regulators, etc. Additionally, the heat exchanger may become
clogged which reduces compressor service life and can cause
premature unit failure.
In boiler/tower application, set the loop control panel set points
to desired temperatures. Supply power to all motors and start the
circulating pumps. After full flow has been established through all
components including the heat rejector (regardless of season), air
vented and loop temperatures stabilized, each of the units will be
ready for check, test and start up and for air and water balancing.
Ground Source Loop System Checkout
Once piping is completed between the unit pumping system and
ground loop, final purging and charging of the loop is needed. A
high pressure pump is needed to achieve adequate flow velocity
in the loop to purge air and dirt particles from the loop itself.
Antifreeze solution is used in most areas to prevent freezing. Flush
the system adequately to remove as much air as possible; then
pressurize the loop to a static pressure of 40-50 PSI (summer)
or 50-75 PSI (winter). This is normally adequate for good system
operation. Loop static pressure may decrease soon after initial
installation, due to pipe expansion and loop temperature change.
Running the unit for at least 30 minutes after the system has been
completely purged of air will allow for the “break-in” period. It may
be necessary to adjust static loop pressure (by adding water) after
the unit has run for the first time. Loop static pressure will also
fluctuate with the seasons. Pressures will be higher in the winter
months than during the cooling season. This fluctuation is normal
and should be considered when charging the system initially.
Ensure the pump provides adequate flow through the unit by
checking pressure drop across the heat exchanger.
Usually 2.25-3.0 gpm of flow per ton of cooling capacity is
recommended in earth loop applications.
Return Runout
Supply Runout
Mains
Rubber Hose
Runouts Initially
Connected Together
Flushing with Water Shutoff Valve Equipped Systems

15
ARBOR BASE SERIES INSTALLATION MANUAL
Typical open loop piping is shown below. Always maintain water
pressure in the heat exchanger by placing water control valves at
the outlet of the unit to prevent mineral precipitation. Use a closed,
bladder-type expansion tank to minimize mineral formation due to
air exposure. Insure proper water flow through the unit by checking
pressure drop across the heat exchanger and comparing it to the
figures in unit capacity data tables in the specification catalog.
1.5-2 gpm of flow per ton of cooling capacity is recommended in
open loop applications. Due to only minor differences in flow rate
from low to high, only one solenoid valve should be used. The valve
should be sized for full flow.
Open System - Groundwater Application
Flexible
Duct Collar
Vibration
Absorbing Pad
P/T Plugs
Drain
Low Voltage
to Thermostat
and Valve
Unit Supply
Aux. Heat Supply
Water Out
Water In
Shut Off Valves
Boiler Drains
For HX Flushing
Disconnects
(IfApplicable)
Rubber Bladder
Expansion Tank
Solenoid
Valve
Shut Off Valves
(to isolate solenoid
valve while acid flushing)
Strainer
Flow Control
Valve
(on outlet of
Solenoid Valve)
Compressor
Line Voltage
Discharge water from the unit is not contaminated in any manner
and can be disposed of in various ways, depending on local codes,
i.e. recharge well, storm sewer, drain field, adjacent stream or
pond, etc. Most local codes forbid the use of sanitary sewer for
disposal. Consult your local building and zoning departments to
assure compliance in your area.
Open Loop Ground Water Systems

16
ARBOR BASE SERIES INSTALLATION MANUAL
For Aurora Base Control, set SW2-1, FP1, on the printed circuit
board for applications using a closed loop antifreeze solution to
15°F [-9.4°C]. On applications using an open loop/ground water
system (or closed loop no antifreeze), set this dip switch to 30°F
[-1.1°C], the factory default setting. (Refer to the Dip Switch Field
Selection table).
Freeze Detection

17
ARBOR BASE SERIES INSTALLATION MANUAL
General
Be sure the available power is the same voltage and phase as that
shown on the unit serial plate. Line and low voltage wiring must be
done in accordance with local codes or the National Electric Code,
whichever is applicable.
Power Connection
Connect the incoming line voltage wires to L1 and L2 of the
contactor for single-phase unit. Consult the Electrical Data tables
for correct fuse sizes.
Aurora Base Control Box
Electrical Connections
208 Volt Operation
All Arbor Base Series 208/230 units are factory wired for 230 volt
operation. For 208 volt operation, the red and blue transformer
wires must be switched on terminal strip PS.
CAUTION: When installing a unit with a
variable speed ECM blower motor in 460/60/3
voltage, a neutral wire is required to allow
proper unit operation.

18
ARBOR BASE SERIES INSTALLATION MANUAL
Electrical Data
PSC Motor
Model Rated
Voltage Voltage Min/Max
Compressor Blower
Motor
FLA
Total
Unit
FLA
Min
Circ
Amp
Max
Fuse/
HACR Breaker
MCC RLA LRA
006 115/60/1 104/127 9.5 6.1 29.0 1.5 7.6 9.1 15
208-230/60/1 187/253 4.7 3.0 15.0 0.6 3.6 4.4 10/15
265/60/1 238/292 4.2 2.7 11.0 0.6 3.3 4.0 10/15
009 115/60/1 104/127 12.5 8.0 50.0 1.5 9.5 11.5 15
208-230/60/1 187/253 6.4 4.1 21.0 0.6 4.7 5.7 10/15
265/60/1 238/292 6.7 4.3 22.0 0.6 4.9 6.0 10/15
012 115/60/1 104/127 14.8 9.5 50.0 1.5 11 13.4 20
208-230/60/1 187/253 7.7 4.9 25.0 0.6 5.5 6.7 10/15
265/60/1 238/292 7.0 4.5 22.0 0.6 5.1 6.2 10/15
015 208-230/60/1 187/253 9.2 5.9 29.0 1.1 7.8 9.5 15
265/60/1 238/292 7.8 5.0 28.0 1.0 6.6 8.0 10/15
018 208-230/60/1 187/253 10.4 6.7 33.5 1.1 7.8 9.5 15
265/60/1 238/292 8.7 5.6 28.0 1.0 6.6 8.0 10/15
024
208-230/60/1 187/253 13.0 7.4 43.0 1.2 8.6 10.5 15
265/60/1 238/292 12.6 6.7 46.0 1.1 7.8 9.5 15
208-230/60/3 187/253 13.0 5.9 63.0 1.2 7.1 8.6 10/15
460/60/3 414/506 6.0 2.9 30.0 0.6 3.5 4.2 10/15
030
208-230/60/1 187/253 17.5 9.4 54.0 1.5 10.9 13.3 20
265/60/1 238/292 14.0 8.0 46.0 1.5 9.5 11.5 15
208-230/60/3 187/253 13.5 6.6 63.0 1.5 8.1 9.8 15
460/60/3 414/506 6.4 3.2 30.0 1.0 4.2 5.0 10/15
036
208-230/60/1 187/253 20.5 11.6 74.0 2.2 13.8 16.7 25
265/60/1 238/292 17.7 9.9 67.0 1.1 11.0 13.5 20
208-230/60/3 187/253 13.5 7.4 68.0 2.2 9.6 11.5 15
460/60/3 414/506 7.1 3.8 34.0 1.1 4.9 5.9 10/15
041
208-230/60/1 187/253 25.0 13.0 88.0 3.5 16.5 19.8 30
208-230/60/3 187/253 14.5 8.6 68.0 3.5 12.1 14.3 20
460/60/3 414/506 7.7 4.2 34.0 1.8 6.0 7.1 10/15
575/60/3 517/633 6.0 3.5 28.0 1.4 4.9 5.8 10/15
042
208-230/60/1 187/253 25.0 13.0 88.0 3.5 16.5 19.8 30
208-230/60/3 187/253 14.5 8.6 68.0 3.5 12.1 14.3 20
460/60/3 414/506 7.7 4.2 34.0 1.8 6.0 7.1 10/15
575/60/3 517/633 6.0 3.5 28.0 1.4 4.9 5.8 10/15
048
208-230/60/1 187/253 24.5 15.7 84.0 3.5 19.2 23.1 35
208-230/60/3 187/253 17.5 11.0 88.0 3.5 14.5 17.3 25
460/60/3 414/506 8.0 5.6 44.0 1.8 7.4 8.8 10/15
575/60/3 517/633 7.0 4.4 36.0 1.9 5.8 6.9 10/15
060
208-230/60/1 187/253 33.0 21.1 105.0 5.9 27.0 32.3 50
208-230/60/3 187/253 22.0 12.9 88.0 5.9 18.8 22.0 30
460/60/3 414/506 12.0 6.7 55.0 3.0 9.7 11.4 15
575/60/3 517/633 7.5 5.1 36.0 1.9 7.0 8.3 10/15
070
208-230/60/1 187/253 36.0 23.0 130.0 5.9 28.9 34.7 50
208-230/60/3 187/253 24.6 14.3 110.0 5.9 20.2 23.8 35
460/60/3 414/506 11.5 7.1 55.0 3.0 10.1 11.9 15
575/60/3 517/633 8.7 5.6 43.0 1.9 7.5 8.9 10/15
HACR circuit breaker in USA only 10/15/15

19
ARBOR BASE SERIES INSTALLATION MANUAL
Electrical Data cont.
5 Speed ECM Motor
Model Rated
Voltage Voltage Min/Max
Compressor Blower
Motor
FLA
Total
Unit
FLA
Min
Circ
Amp
Max
Fuse/
HACR Breaker
MCC RLA LRA
015 208-230/60/1 187/253 9.2 5.9 29.0 4.1 10.0 11.5 15
265/60/1 238/292 7.8 5.0 28.0 3.6 8.6 9.8 10/15
018 208-230/60/1 187/253 10.4 6.7 33.5 4.1 10.8 12.5 15
265/60/1 238/292 8.7 5.6 28.0 3.6 9.2 10.6 10/15
024
208-230/60/1 187/253 13.0 7.4 43.0 4.1 11.5 13.4 20
265/60/1 238/292 12.6 6.7 46.0 3.6 10.3 12.0 15
208-230/60/3 187/253 13.0 5.9 63.0 4.1 10.0 11.5 15
460/60/3 414/506 6.0 2.9 30.0 2.1 5.0 5.7 10/15
030
208-230/60/1 187/253 17.5 9.4 54.0 4.1 13.5 15.9 25
265/60/1 238/292 14.0 8.0 46.0 3.6 11.6 13.6 20
208-230/60/3 187/253 13.5 6.6 63.0 4.1 10.7 12.4 15
460/60/3 414/506 6.4 3.2 30.0 2.1 5.3 6.1 10/15
036
208-230/60/1 187/253 20.5 11.6 74.0 4.1 15.7 18.6 30
265/60/1 238/292 17.7 9.9 67.0 3.6 13.5 16.0 25
208-230/60/3 187/253 13.5 7.4 68.0 4.1 11.5 13.4 20
460/60/3 414/506 7.1 3.8 34.0 2.1 5.9 6.9 10/15
041 208-230/60/1 187/253 25.0 13.0 88.0 4.1 17.1 20.4 30
208-230/60/3 187/253 14.5 8.6 68.0 4.1 12.7 14.9 20
460/60/3 414/506 7.7 4.2 34.0 2.1 6.3 7.4 10/15
042 208-230/60/1 187/253 25.0 13.0 88.0 7.6 20.6 23.9 35
208-230/60/3 187/253 14.5 8.6 68.0 7.6 16.2 18.4 25
460/60/3 414/506 7.7 4.2 34.0 4.0 8.2 9.3 10/15
048 208-230/60/1 187/253 24.5 15.7 84.0 7.6 23.3 27.2 40
208-230/60/3 187/253 17.5 11.0 88.0 7.6 18.6 21.4 30
460/60/3 414/506 8.0 5.6 44.0 4.0 9.6 11.0 15
060 208-230/60/1 187/253 33.0 21.1 105.0 7.6 28.7 34.0 50
208-230/60/3 187/253 22.0 12.9 88.0 7.6 20.5 23.7 35
460/60/3 414/506 12.0 6.7 55.0 4.0 10.7 12.4 15
070 208-230/60/1 187/253 36.0 23.0 130.0 7.6 30.6 36.4 50
208-230/60/3 187/253 24.6 14.3 110.0 7.6 21.9 25.5 35
460/60/3 414/506 11.5 7.1 55.0 4.0 11.1 12.9 20

20
ARBOR BASE SERIES INSTALLATION MANUAL
Electrical Data cont.
CAUTION: When installing a unit with an variable speed ECM blower motor in 460/60/3 voltage, a neutral wire is required to allow proper
unit operation.
Variable Speed ECM Motor
Model Rated
Voltage Voltage Min/Max
Compressor Blower
Motor
FLA
Total
Unit
FLA
Min
Circ
Amp
Max
Fuse/
HACR Breaker
MCC RLA LRA
015 208-230/60/1 187/253 9.2 5.9 29.0 4.0 9.9 11.4 15
265/60/1 238/292 7.8 5.0 28.0 4.1 9.1 10.3 15
018 208-230/60/1 187/253 10.4 6.7 33.5 4.0 10.7 12.4 15
265/60/1 238/292 8.7 5.6 28.0 4.1 9.7 11.1 15
024
208-230/60/1 187/253 13.0 7.4 43.0 4.0 11.4 13.3 20
265/60/1 238/292 12.6 6.7 46.0 4.1 10.8 12.5 20
208-230/60/3 187/253 13.0 5.9 63.0 4.0 9.9 11.4 15
460/60/3 414/506 6.0 2.9 30.0 4.1 7.0 7.7 10/15
030
208-230/60/1 187/253 17.5 9.4 54.0 4.0 13.4 15.8 25
265/60/1 238/292 14.0 8.0 46.0 4.1 12.1 14.1 20
208-230/60/3 187/253 13.5 6.6 63.0 4.0 10.6 12.3 20
460/60/3 414/506 6.4 3.2 30.0 4.1 7.3 8.1 10/15
036
208-230/60/1 187/253 20.5 11.6 74.0 4.0 15.6 18.5 30
265/60/1 238/292 17.7 9.9 67.0 4.1 14.0 16.5 25
208-230/60/3 187/253 13.5 7.4 68.0 4.0 11.4 13.3 20
460/60/3 414/506 7.1 3.8 34.0 4.1 7.9 8.9 15
041 208-230/60/1 187/253 25.0 13.0 88.0 4.0 17.0 20.3 35
208-230/60/3 187/253 14.5 8.6 68.0 4.0 12.6 14.8 25
460/60/3 414/506 7.7 4.2 34.0 4.1 8.3 9.4 15
042 208-230/60/1 187/253 25.0 13.0 88.0 4.0 17.0 20.3 35
208-230/60/3 187/253 14.5 8.6 68.0 4.0 12.6 14.8 25
460/60/3 414/506 7.7 4.2 34.0 4.1 8.3 9.4 15
048 208-230/60/1 187/253 24.5 15.7 84.0 4.0 19.7 23.6 40
208-230/60/3 187/253 17.5 11.0 88.0 4.0 15.0 17.8 30
460/60/3 414/506 8.0 5.6 44.0 4.1 9.7 11.1 15
060 208-230/60/1 187/253 33.0 21.1 105.0 7.0 28.1 33.4 55
208-230/60/3 187/253 22.0 12.9 88.0 7.0 19.9 23.1 35
460/60/3 414/506 12.0 6.7 55.0 6.9 13.6 15.3 25
070 208-230/60/1 187/253 36.0 23.0 130.0 7.0 30.0 35.8 60
208-230/60/3 187/253 24.6 14.3 110.0 7.0 21.3 24.9 40
460/60/3 414/506 11.5 7.1 55.0 6.9 14.0 15.8 25
HACR circuit breaker in USA only 10/15/15