ENGINEERING, INSTALLATION AND SERVICE MANUAL
2OACH SERIES
Portable Air-Cooled Heat Pump
Form EISM-2OACH 01012019
FORWARD
This manual provides the user with basic details for the installation and operation of the
OceanAire 2OACH heat pump. It is recommended to read and fully understand the
instructions outlined within this manual, before operating the 2OACH unit.
As with all commercial air conditioning equipment, it is recommended to have the 2OACH
sized and installed by a licensed specifying engineer and contractor, in accordance with
all local and state codes. The length of service received can be extended by following
the installation and preventive maintenance instructions.
NOTICE
In our ongoing process of continuous improvement, the items and procedures described
in this manual are subject to change without notice. Please note model and serial
number of the 2OACH unit before contacting the factory.
TABLE OF CONTENTS
PAGE
GENERAL INFORMATION …................................ 1
PRODUCT DATA AND SPECIFICATIONS............ 2
UNIT DESCRIPTION
Standard Features.................................. 3
Applications / Operation
Cooling Mode.......................... 4
Heating Mode…………………. 5
Electrical Configurations......................... 6
Use of Extension Cords…………………. 7
Condensate............................................ 8
Accessories………................................. 9 - 15
Inspection/Installation............................. 16
Deluxe Electronic Controller.................... 17-19
SERVICE
Replacement Parts Procedure................. 20
Troubleshooting Guide............................. 21
Preventive Maintenance........................... 22
Interior View............................................. 23
DIAGRAMS/SCHEMATIC
Piping Schematic…………………………. 24
Single Phase Wiring Diagrams................. 25 - 27
Three Phase Monitor................................ 28
Three Phase Wiring Diagrams................. 29 - 32
WARRANTY…......................................................... 33
END USER INFORMATION / TECH NOTES........... Back Cover
GENERAL INFORMATION
The OceanAire 2OACH is a portable air-cooled heat pump designed for permanent or
temporary spot cooling or heating applications. The entire unit has been built in a
premium sheet metal cabinet, equipped with heavy-duty casters for mobility. All 2OACH
models come standard with a 10-foot power cord for electrical connection and added
mobility in service. These units direct heated/cooled air to specific areas or objects
through a discharge grille located on the upper-front of the unit, while rejecting cooled/
heated air from the top of the unit. The 2OACH models range in capacities from 12,000
BTU/HR to 60,000 BTU/HR to satisfy most space cooling or heating requirements.
The 2OACH is a self-contained unit with the entire system (evaporator and condenser
blower assemblies, electrical and refrigeration components), neatly arranged in a gray
and blue polyester powder coated metal cabinet. When connected to the proper source
of electrical power, the 2OACH is controlled by a solid-state electronic controller, with
numerous options of temperature and airflow controls that will provide the desired level
of comfort when cooling or heating.
A wide variety of accessories and factory installed options are available for the 2OACH
units allowing for improved performance and added versatility.
WARRANTY CARD
It is important that the warranty card be filled out completely and returned to the factory
within fourteen (14) days of installation of the unit in order to receive the benefits of the
warranty.
1
NOMENCLATURE
2O AC H 60 1 2
DELUXE
PORTABLE VOLTAGE
AIR-COOLED PHASE (1 or 3)
HEAT PUMP NOMINAL
CAPACITY
CAPACITY RATING
12..........12,000 BTU/HR
18..........18,000 BTU/HR
24..........24,000 BTU/HR
36..........36,000 BTU/HR
60……...60,000 BTU/HR
NOT APPROVED FOR OUTDOOR USE
WARRANTY
ALL OCEANAIRE PRODUCTS ARE COVERED BY THE
OCEANAIRE LIMITED WARRANTY
1 YEAR ON THE FULL PRODUCT
PLUS, 4 ADDITIONAL YEARS FOR THE COMPRESSOR
(Restrictions Apply)
2
SPECIFICATIONS
2OACH
MODEL: 2OACH 1211 1811 2412 3612 3632 3634 6012 6032 6034
COOLING CAPACITY 11,800 16,800 24,020
HEATING CAPACITY 11,000 15,600 22,000
VOLTAGE (V/Phase) at 60Hz 208-230/3 460/3 208-230/1 208-230/3 460/3
AMPS 10.4 14.1 14.9 19.6 17.2 8.7 32.0 20.4 14.8
TOTAL WATTS 1180 1670 2700
IN-RUSH CURRENT (AMPS) 60 75 68 113 93 60 178 162 87
PLUG TYPE 5-15P 5-20P 6-20P 6-30P L15-30P L16-20P 6-50P L15-30P L16-20P
EER 8.9
COMPRESSOR HP 1 1 1/2 2
COMPRESSOR RLA 9.5 12.3 10.5 13.6 8.8 5.0 27.6 18.1 9.0
COMPRESSOR LRA 50 63 48 83 77 35 158 137 62
EVAP CFM 400 600 810
EVAP MOTOR HP
CONDENSER CFM 580 930 1010
COND MOTOR HP 1/3
CONDENSATE
R-410A CHARGE (oz.) 18 40 37
(A) HEIGHT (in.) 37-3/4
(B) WIDTH (in.) 20
(C) DEPTH (in.) 25
NET WEIGHT (lb.) 180 400 520
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 2OACHSPECS0101 19
115/1
1200
1950
208-230/1
60,100
53,500
36,050
32,500
3620
6000
10.0
10.0
3
5
5 Gallon Condensate Tank - STANDARD (Pump Optional)
Pump - STANDARD (20 ft. Lift)
66
80
45-3/4
50-1/4
51-3/4
24
27-1/2
365
303539-1/2
260
485
2200
1
1
1/8
1/3
1390
1/8
NOTES
* Dedicated Circuit and Time Delay fuse or Circuit Breaker are recommended
* Cooling Capacity is total BTUH at 80°DB/67°WB return air, with 95° DB Condens er Air
* Heating Capacity is total BTUH at 70°DB/60°WB Indoor, 47° DB/43° WB Outdoor
* CFM with free dis charge
* Cooling EER is determined at high fan speed, with condenser air ducted into another area
* Sound Pressure, dB at 5 feet, commercial operation
* Amps and Watts at 208 Volts (208-230V Models )
COOLING AMBIENT OPERATING RANGE 65° TO 105°
May COOL down to 55° if equipped with hot gas bypass (factory installed)
HEATING AMBIENT OPERATING RANGE 45° TO 85°
STANDARD FEATURES
CABINET
The 2OACH Series heat pump has a cabinet that is constructed of 18 gauge steel with a
polyester powder coated finish that will compliment any decor. The cool blue front
compliments any surrounding space, and is insulated with sound-absorbing insulation for
cool, quiet comfort. All units come equipped with handles and premium swivel casters
for portability and convenient set-up.
DELUXE ELECTRONIC CONTROLLER
Each 2OACH unit is equipped with a deluxe electronic controller. When power is
connected to the unit, the thermostat will control the unit to cool/heat a space to the
desired temperature. The thermostat is also capable of controlling the fan to operate
automatically when needed, or continuously.
One additional feature of the Deluxe Electronic Controller is that it will display a condition
alarm “CON”. “CON” displays when a condensate alarm, or a high pressure reset
condition has been met. To protect the compressor from short-cycling, there is a built-in
time delay. In the event of a power outage, all thermostat settings are saved, and the
unit will re-start automatically.
FAN SPEED CONTROL
One of the features of the electronic controller is that the unit supply fan can be
controlled either automatically or manually. In AUTO mode, the indoor blower will adjust
air flow automatically for added comfort and performance. Or, if desired, the controller
can be set to MANUAL fan mode, and the indoor blower will run continuously at one of
six levels of fan speed.
CONDENSATE TANK/PUMP
2OACH units come equipped with a means for handling the condensate generated
during the cooling/heating process. All units, except the 5-ton models, come equipped
with a condensate tank. The tank can be easily removed from the unit and emptied as
needed.
The 2OACH60 models come equipped with an automatic condensate pump. The pump
comes with a 20 foot long vinyl hose that allows for the removal of the condensate water
to a drain. The automatic pump is capable of a 20ft vertical lift, to handle almost any
installation requirement.
FILTERS
All 2OACH units are equipped with washable filters at the air intakes. Electrostatic mesh
air filters located behind the evaporator return air grille serve to filter the air before it is
cooled/heated, and behind the condenser return air grille to prevent dust build-up. Both
filters can be easily removed and cleaned.
HIGH PRESSURE SAFETY SWITCH
Located on the back of the 2OACH unit is a manual re-set high pressure switch, used for
the protection of the compressor. If the condensing pressure exceeds the limit setting,
the switch will cycle the compressor off, while the evaporator fan remains running. The
display will indicate the default setting “CON”. The compressor can then be re-started,
once the condensing pressure has equalized, by depressing the “RESET” button.
POWER CORDS
All 2OACH units come standard with a power cord for a convenient connection. All
models, except for the 3-phase units and 5-ton units, are equipped with LCDI for
added safety features.
3
4
APPLICATIONS
COOLING MODE—SPOT COOLER
The 2OACH can be used in an open environment to cool specific objects or "spots".
Spot Cooling is a convenient and economical way to provide air conditioning, where
cooling the entire space is impractical. Cool air is discharged from the unit and is directed
where it is needed. Nozzle kits can be used for directional cooling.
AREA COOLER
When the 2OACH is installed in an open area, the condenser exhaust duct directs the
warm air away from the space, allowing the evaporator air to cool the specific area.
ROOM AIR CONDITIONER
When ducted properly, the 2OACH can be used as a room air conditioner to cool an
enclosed space. Using the condenser return air plenum, additional ceiling kit, and other
accessories, the 2OACH can then operate as a room air conditioner with the condenser
air isolated from the conditioned space.
CONDENSER AIR
INLET
(Back of Unit)
OUTDOOR FAN DISCHARGE
“HOT”
WASHABLE
GRILLE
AND FILTER
ELECTRONIC
CONTROLLER
INDOOR FAN
SUPPLY AIR
“COOL”
2OACH—COOLING MODE
2OACH—COOLING MODE OPERATION / DESCRIPTION
EVAPORATOR
RETURN
5
APPLICATIONS
HEATING MODE—HEAT PUMP
In HEAT mode, The 2OACH can be used in an open environment to provide heat to a
specific area or "spots". The 2OACH is a heat pump, and the supply air will feel warm,
but not extremely hot to the touch. Nozzle kits can be used for directional heating.
OUTDOOR FAN DISCHARGE
“COLD”
RETURN AIR
GRILLE
AND FILTER
ELECTRONIC
CONTROLLER
INDOOR FAN
SUPPLY AIR
“HOT”
2OACH—HEATING MODE
OUTDOOR AIR
INLET
(Back of Unit)
2OACH—HEATING MODE OPERATION / DESCRIPTION
INDOOR AIR
SERVICE CORD
All 2OACH-Series units are equipped with a standard 10-foot long service cord with plug
configurations and receptacle requirements as shown in this chart. 2OACH1211,
2OACH1811, 2OACH2412 and 2OACH3612 units come with LCDI (Leakage Current
Detection & Interruption) devices that serve as a means of electrical protection.
CAUTION
DO NOT USE THE LCDI AS AN ON/OFF SWITCH FOR THE UNIT
All 3-phase models are equipped with locking plugs for added connection reliability.
Refer to the chart below for plug and receptacle details for all 2OACH models.
A DAMAGED LCDI POWER SUPPLY CORD MUST
BE REPLACED WITH A NEW POWER SUPPLY
CORD AND NOT REPAIRED
UNIT/MODEL PLUG CONFIGURATION RECEPTACLE
115 VOLT
2OACH1211
NEMA 5-15R
115 VOLT
2OACH1811
NEMA 5-20R
208-230 VOLT SINGLE PHASE
2OACH2412
NEMA 6-20R
208-230 VOLT SINGLE PHASE
2OACH3612
NEMA 6-30R
208-230 VOLT SINGLE PHASE
2OACH6012
NEMA 6-50R
208-230 VOLT 3-PHASE
2OACH3632
2OACH6032
NEMA L15-30R
460 VOLT 3-PHASE
2OACH3634
2OACH6034
NEMA L16-20R
15A-125 VOLT
NEMA 5-15P
20A-125 VOLT
NEMA 5-20P
20A-250 VOLT
NEMA 6-20P
30A-250 VOLT
NEMA 6-30P
50A-250 VOLT
NEMA 6-50P
30A-250 VOLT
NEMA L15-30P
20A-460 VOLT
NEMA L16-20P
6
ELECTRICAL CONFIGURATION
USE OF EXTENSION CORDS
CAUTION
FOR MODEL 2OACH1211 AN EXTENSION CORD CAN BE USED, PROVIDED IT
IS RATED AT LEAST 15 AMPS @ 115 VOLTS WITH GROUNDING-TYPE
ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR (LOAD FITTING)
FOR MODEL 2OACH1811 AN EXTENSION CORD CAN BE USED, PROVIDED IT
IS RATED AT LEAST 20 AMPS @ 115 VOLTS WITH GROUNDING-TYPE
ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR (LOAD FITTING)
FOR MODEL 2OACH2412 AN EXTENSION CORD CAN BE USED, PROVIDED IT
IS RATED AT LEAST 20 AMPS @ 250 VOLTS WITH GROUNDING-TYPE
ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR (LOAD FITTING)
FOR MODEL 2OACH3612 AN EXTENSION CORD CAN BE USED, PROVIDED IT
IS RATED AT LEAST 30 AMPS @ 250 VOLTS WITH GROUNDING-TYPE
ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR (LOAD FITTING)
FOR MODEL 2OACH6012 AN EXTENSION CORD CAN BE USED, PROVIDED IT
IS RATED AT LEAST 50 AMPS @ 250 VOLTS WITH GROUNDING-TYPE
ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR (LOAD FITTING)
FOR MODELS 2OACH3632 AND 2OACH6032 AN EXTENSION CORD CAN BE
USED, PROVIDED IT IS RATED AT LEAST 30 AMPS @ 250 VOLTS, 3 PHASE
FOR MODELS 2OACH3634 AND 2OACH6034 AN EXTENSION CORD CAN BE
USED, PROVIDED IT IS RATED AT LEAST 20 AMPS @ 600 VOLTS, 3 PHASE
SPECIAL NOTICE—THREE PHASE OPERATION
Models 2OACH3632, 2OACH3634, 2OACH6032 and 2OACH6034
All three-phase 2OACH models are equipped with a three-phase monitor for added
compressor protection. The phase monitor, located in the control box, has a
multi-color LED that reports status. The monitor protects the compressor from reverse
operation, phase loss, and low voltage situations. Further description of the
three-phase monitor is located in the electrical section of this manual.
NOTICE - DO NOT OPERATE ANY THREE-PHASE UNIT WHILE BYPASSING
THE MONITOR. THIS WILL VOID THE WARRANTY.
7
8
MAXIMUM WATER LEVEL
4” FROM TOP OF TANK
This Side Up
FRONT
CONDENSATE TANK
“FULL” SWITCH
SPRING
CAP
HANDLE
WATER LEVEL
ADJUSTMENT
SCREW
HINGE
CONDENSATE TRAY
TANK LEVEL ADJUSTMENT INSTRUCTIONS
An adjustment screw is provided to vary the cut-off level of
the tank full switch. If less water is desired, turn the adjusting
screw clockwise (CW).
Turning the screw clockwise (CW),
will make the tank easier to remove.
MAXIMUM WATER LEVEL
4” FROM TOP OF TANK
CAUTION
UNPLUG UNIT BEFORE REMOVING
TANK TO ADJUST THE SET SCREW.
CONDENSATE
SUMP
TOP OF TANK
(WHEN PLACED IN UNIT)
SUMP DRAIN HOLE
“CON” WILL BE
DISPLAYED
CONDENSATE
For Models 2OACH1211, 2OACH1811, 2OACH24 and 2OACH36, a 5-gallon
polyethylene tank is provided to collect condensate. The tank is located in the lower front
section of the unit, and can be accessed though the condensate tank door. When the
high water level is reached, a cut-out switch will AUTOMATICALLY cycle off the
compressor/condenser fan.
9
CONDENSER
DISCHARGE
CONDENSER
RETURN
NOZZLE KIT
ROUND FLEX-DUCT
(SOLD SEPARATELY)
ROUND FLEX-DUCT
(SOLD SEPARATELY)
EVAPORATOR
RETURN AIR
PLENUM
CONDENSER
RETURN AIR
PLENUM
DISCHARGE DUCT
ADAPTER
CEILING
PANEL
KIT
(CK)
CEILING
PANEL
KIT
(CK-PL)
NOTE - IT IS IMPORTANT TO SPECIFY MODEL NUMBER AND SERIAL
NUMBER WHEN ORDERING ACCESSORIES
2OACH ACCESSORIES
*NOTE: 2OACH36 and 2OACH60 come with 16” duct flanges.
DUCT
FLANGE*
2OACH ACCESSORIES
NOZZLE KIT
2NK-1 (2 X 4-Inch) 2OACH12
2NK-2 (2 X 6-Inch) 2OACH18, 24
2NK-3 (2 X 8-Inch) 2OACH36, 60
EVAPORATOR RETURN AIR PLENUM
DEP-10 (10-Inch Round) 2OACH12
2DEP-12 (12-Inch Round) 2OACH18, 24
DEP-16 (16-Inch Round) 2OACH36, 60
DISCHARGE DUCT ADAPTER
2DDA-6 (6-Inch Round) 2OACH12
2DDA-10 (10-Inch Round) 2OACH18, 24
2DDA-16 (16-Inch Round) 2OACH36, 60
CONDENSATE PUMP KIT *
2DPC-1 115V Models
2DPC-2 230V Models
* Not Required for 2OACH60’s
CEILING PANEL KIT
(Includes Panel, Duct, Strap and Flange)
CK-12 2OACH12, 18, 24
CK-16 2OACH36, 60
CK-12PL CK-12 without Duct Flange
CKP-12 2 X 2 Ceiling Panel only
CKP-16 2 X 2 Ceiling Panel only
DUCT FLANGE
DF-12 12-Inch Duct Flange
DF-16 16-Inch Duct Flange
NOTE: 2OACH36 and 2OACH60 units come with 16” duct
flanges installed.
CONDENSER RETURN AIR PLENUM
2DCP-1 2OACH12
2DCP-2 2OACH18, 24
DCP-5 2OACH36, 60
10
Ceiling
Kit
Model
Flexible Duct
Diameter X
Length
Fits
2OACH
12
Fits
2OACH
18
Fits
2OACH
24
Fits
2OACH
36
Fits
2OACH
60
CK-12
12 inch X 8 feet
✓ ✓ ✓
No No
CK-16
16 Inch X 8 feet
No
No No
✓ ✓
25
(.20)
50
(.25)
50
(.25)
50
(.25)
100
(.50)
Maximum Equivalent
Feet (approx)
(ESP)
2 x 2 CEILING
DUCT-PANEL
VINYL COATED
FABRIC DUCT
DUCT FLANGE
DUCT STRAP
11
ACCESSORIES
CEILING PANEL DUCT KIT
A ceiling panel kit is available for discharging the
condenser air above a drop ceiling. The ceiling
panel duct kits are furnished with a white vinyl
coated flexible duct that allows for convenient
installation. A 2ft X 2ft ceiling duct- panel is
included to replace a 2ft X 2ft drop-ceiling panel
where the connection is desired.
The CK-12 is available for 2OACH12, 18, and 24.
The ceiling panel kit consists of 8 feet of flexible
duct, a 2' X 2' lay in ceiling panel and a 12 inch
duct flange that attaches to the condenser air
discharge opening on the top of the unit. The
CK-16 (for 3 and 5-ton units) consists of a ceiling
duct-panel, and a 16 inch flexible duct.
Note—Drop ceiling spaces should be vented
or large enough to handle the warm condenser
air. Check local codes to insure compliance.
If longer runs of duct are required, table below lists
maximum duct run with no bends. For every 90°
elbow, subtract 6 feet from the run.
DUCT FLANGE
The optional duct flange allows for round flexible ducting to
be attached to the 2OACH condenser discharge.
DF-12 (12-inch diameter) fits all units except the 3 ton/5
ton. The DF-16 (16 inch diameter) fits the 3 ton model
2OACH36, and 5 ton Model 2OACH60.
NOTE: 2OACH36 and 2OACH60 units come with
duct flanges installed.
Nozzle Kits
PARTS LIST
(1) Condensate Pump with mounting hardware
(1) 3/8-inch drain hose, 20 ft
(2) Mounting screws
(1) Drain hose — black corrugated
(2) Hose clamps
Pump Kit
12
ACCESSORIES
DISCHARGE AIR NOZZLE KIT ASSEMBLY
The optional discharge nozzle kits are used to direct the
conditioned air to a specific target area. By concentrating the
airflow, the nozzles increase the air velocity towards production
lines to cool personnel and/or equipment. In server rooms, the
nozzles can be used to direct the airflow through the rack, and
remove the hot air from the equipment area.
2NK-1 for model 2OACH12, with (2) 4-inch diameter nozzles with
an approximate compressed length of 15 inches. The approximate
extended length is 21 inches.
2NK-2 for models 2OACH18 and 2OACH24 with (2) 6-inch
diameter nozzles with an approximate compressed length of 22
inches. The approximate extended length is 32 inches.
2NK-3 for 2OACH36 and 2OACH60, with (2) 8-inch diameter
nozzles with an approximate compressed length of 20 inches. The
extended length is approximately 29 inches.
The nozzle kits come pre-assembles with the nozzles secured to a
mounting plate, and with edge guards. By removing the
2OACH discharge grille, you can insert the nozzle kit into the
opening without the use of tools.
CONDENSATE PUMP KIT
A plug-in condensate pump kit is available for applications where emptying the 5 gallon
condensate tank is not practical. The pump kit consists of a condensate pump with
mounting hardware and electrical connections, along with the tubing required for the drain
and discharge of the condensate water.
The condensate pump provides for the automatic
removal of condensate water during the cooling
process. The pump is capable of pumping to a
20 foot height, allowing for the routing of the drain line
above the drop-ceiling to a nearby drain. The pump
is controlled by an internal float-switch/check valve,
which turns the pump on and off automatically. The
pump is also equipped with a condensate over-flow
safety switch, that will cycle the compressor off when
the pump is not working properly.
Kit Voltage
2DPC-1 115V
2DPC-2 208-230V
(2OACH60 models come with
pumps installed)
Plenum Duct
Kit Flange
2OACH12 2OACH18 2OACH24 2OACH36 2OACH60
2DCP-1 12-inch
✓
2DCP-2 12-inch
✓ ✓
DCP-5 16-Inch
✓ ✓
Maximum Approximate
Equivalent Feet
25 50 50 50 100
Estimated External
Static Pressure
(.20) (.25) (.25) (.25) (.50)
2DCP-1, 2DCP-2, DCP-5
To estimate the “equivalent feet” of condenser duct,
add the length of the condenser intake duct run and the length of the
condenser discharge duct run, and add 6 equivalent feet per bend in the
duct. Make sure that you do not exceed the rated E.S.P. to avoid shut
down due to the high pressure switch cut-out.
13
ACCESSORIES
CONDENSER RETURN AIR PLENUM
NOTE — When installing the condenser return air plenum with a ceiling panel kit,
allow for a minimum separation distance of 2 feet between the unit discharge duct
and the return air duct. It is also recommended to direct the condenser discharge
Condenser return air plenums are available for installations where it is required to duct
air to the inlet of the condenser. The plenum easily fits into place on the back of the unit,
and is provided with a flange for connecting 12-inch or 16-inch flexible ducting. A
condenser return air plenum can substantially reduce air noise and allow the unit to
operate without drawing condenser air from the conditioned space. Refer to the table
below for configuration and application information.
Plenum Kit
Duct/Flange
2OACH12 2OACH18 2OACH24 2OACH36 2OACH60 FILTERS
DEP-10
10 inch
✓
(1) 10”X20”X1”
2DEP-12
12 inch
✓ ✓
(1) 16”X24”X1”
DEP-16
16 inch
✓ ✓
(1) 10”X30”X1”
(1)15”X30”X1”
Maximum
Equivalent
Feet
25 50 50 50 100
Est. External
Static
Pressure
(.20) (.25) (.25) (.25) (.50)
ACCESSORIES
EVAPORATOR RETURN AIR PLENUM
Evaporator return air plenums are available for installations where it is required to duct air to
the inlet of the evaporator. The evaporator return air plenum allows the user to connect
round duct (flexible or rigid) to the return air intake to reduce air noise and increase the
number of options for solving difficult application problems. The plenum attaches to the front
of the unit, replacing the return air grille. Refer to the table below for configuration and
application information.
DEP-10 for 2OACH12 transitions the return air opening to a 10-inch round duct.
2DEP-12 for 2OACH18 & 2OACH24 transitions the return opening to a 12-inch round
duct.
DEP-16 for 2OACH36, 60 transitions the return opening to a 16-inch round duct.
NOTE—When an evaporator return air plenum is installed, it is recommended to set
the evaporator blower speed to high, to avoid coil freeze-up.
FILTER(S)
EVAPORATOR
RETURN AIR PLENUM
14
ACCESSORIES
DISCHARGE DUCT ADAPTER
Discharge duct adapters are available for applications where ducted evaporator
discharge is required. The adapters can be easily installed on the unit without fasteners,
and can be used for either vertical or horizontal ducting. The standard discharge grille is
removed and the 2DDA is attached in the grille opening.
2DDA-6 for model 2OACH12, converts the evaporator discharge to a 6-inch
diameter round duct.
2DDA-10 for models 2OACH18 and 2OACH24, converts the evaporator
discharge to a 10-inch diameter round duct.
2DDA-16 for models 2OACH36 AND 2OACH60, converts the evaporator
discharge to a 16-inch round duct.
When used in conjunction with the evaporator return air plenum, the unit can provide a
closed-loop cooling solution for a given space without the influence of any outside air.
Adapter
Model
Round
Duct
Size
2OACH12 2OACH18 2OACH24 2OACH36 2OACH60
2DDA-6
6-inch
✓
2DDA-10
10-inch
✓ ✓
2DDA-16
16-inch
✓ ✓
Maximum
Approx.
Equivalent Feet
25 50 50 50 100
Maximum
E.S.P
.15 .25 .25 .25 .50
15
INSTALLATION INSTRUCTIONS
RECEIVING—INSPECTION
Upon receiving your 2OACH unit, inspect the packaging for any damage. All units are
shipped on a skid, and packaged in a triple-wall carton for added protection.
BEFORE INSTALLING
Check the unit for any damage. All OceanAire products are thoroughly inspected at the
factory and carefully packaged. If any damage is evident, contact OceanAire
IMMEDIATELY.
ELECTRICAL REQUIREMENTS
Check the nameplate located on the back of the unit to confirm the proper power is
available for the unit. Refer to "Specifications" section for voltage and amperage
requirements. For proper NEMA receptacles, refer to "Electrical service plug
configuration". When using extension cords, use the proper gauge cord, and check
cord voltage to the unit.
TIME DELAY FUSES/CIRCUIT BREAKERS ARE RECOMMENDED
WARNING—OPERATING THE UNIT ON IMPROPER
VOLTAGE WILL VOID THE WARRANTY
ACCESSORIES
Verify that all accessories are correct for the model, and are installed in accordance
with all instructions.
START-UP
Install the unit in accordance with all local and state building codes, and install all
accessories. Allow for a clearance around the unit for future maintenance and/or
service. Level unit and lock casters, when available. Connect power and test the
LCDI on the power cord (if available). Power up unit, via thermostat and check for
proper operation. Refer to Thermostat Operation for more details.
16
17
OCEANAIRE DELUXE ELECTRONIC CONTROLLER
When power is connected, the controller will display “888” momentarily, and will then
disappear. Press the POWER button, then press the TEMP SELECT button until the
SET POINT is displayed. Adjust the SET POINT to the desired temperature, and the unit
will heat/cool as programmed.
The systems controls temperature within +/- 2°
POWER
- Turns the unit on/off when power is supplied
MODE -
Select the mode of operation from
AUTO...COOL….HEAT….MOISTURE CONTROL.
AUTO - The controller will heat or cool as required. HEAT or COOL will display
accordingly. A 4° differential is needed to change between cooling and heating modes.
COOL - The system will operate in cooling mode, only.
HEAT - The system will operate in heating mode, only.
MOISTURE CONTROL - The system operates in the cooling mode to reduce
humidity within the conditioned space. Every 4 hours, the fan is started, circulating the
air, and the air temperature is recorded by the controller. The cooling cycle is started for
one hour, or until the room temperature drops 2°, which ever comes first. This cycle repeats every four hours.
DELUXE ELECTRONIC CONTROLLER
The 2OACH controller is equipped with many features for a more precise level of comfort
and operation. Additionally, the controller can be removed from the unit and installed for
remote operation, if needed (accessory parts may be required).
POWER
button
CONTROLLER PROGRAMMING MENU
1) Make sure the unit has power.
2) Press the power button “OFF”.
3) Press the following buttons in sequence “S-U-D-S”
(Select—Up arrow — Down arrow — Select)
4) The display will begin flashing P1 and a number.
If there is no display,
repeat the sequence,
making sure the unit has power, but is turned OFF.
5) To adjust any program feature, press the ARROW UP▲ or ARROW DOWN ▼ button
until the desired value is displayed.
6) Use the “MODE” button to scroll through the programmable settings P1 through P16.
7) If no buttons are pressed, the display will then return to the “OFF” position after about
50 seconds.
PROGRAM SETTINGS
P1—High Fan Speed Limit Setting. 56 - 85
P2—Low Fan Speed Limit Setting, 30 - 55
P4—Temperature Sensor Calibration, +/- 10°
P10— Temperature Display, °F or °C
P13—Supply Fan Operation, Cycling or Continuous
P15—Fan Motor Type Setting, PSC or Shaded Pole
P1, P2 - To adjust fan speed settings, P1 represents the high fan speed parameter, while
P2 represents the low fan speed parameter. When using nozzle kits, discharge duct
adapters and evaporator plenums, setting P1 to 85 will help to avoid freeze ups.
P4 - Adjust the P4 setting to match the actual INSIDE room temperature, if needed.
P10 - Use this parameter to display temperatures in the desired units.
P13 - To cycle the evaporator fan with the compressor, access code P-13. Press the up
or down button to switch to “CYC”, which means cycle the fan with the compressor. The
factory default setting is “CON”, which means continuous fan operation.
P15 - Fan Motors are PSC type, SC - should be selected.
8) Press POWER - you should see an alphanumeric code.
Press POWER and the unit will start at the new settings.
18
FAN SPEED—The operator can select between AUTO or MANUAL fan speed
control. Pressing the FAN SPEED button will switch speed from AUTO to MANUAL. In
MANUAL mode, pressing the FAN SPEED button will change fan speed from low to high.
In AUTO mode, the fan speed is controlled automatically. In cooling mode, the controller
automatically adjusts the fan speed to high, and as the inside temperature approaches the
set point, the fan speed will reduce. In heat mode, the fan speed adjusts from low to high
as the temperature reaches the set point
TEMP SELECT—Allows the operator to view the controller temperatures
INSIDE = return air temperature, DISCHARGE = supply air temperature,
SET POINT can be seen and adjusted by pressing ▲ or▼.
TO CHECK THE NUMBER OF HOURS ON THE UNIT
1) Disconnect unit power, and reconnect unit power.
2) When “888” appears in display, push and release the arrow down button
3) The first set of numbers displayed reads thousands of hours:
02 = 2000, 04 = 4000 hours, 00 means less than 1000 hours.
4) The second set of numbers read hours directly:
58 = 58 hours. 742 = 742 hours.
6) Add the 2 number sets together to get total hours.
03 and 486 = 3486 hours. 01 and 59 = 1059 hours.
TOTAL HOURS REPRESENTS COMPRESSOR “RUN” TIME
MODEL CODE SETTINGS
2OACH12 P1 = 65, P2 = 45
2OACH18 P1 = 80, P2 = 50
2OACH24 P1 = 70, P2 = 50
2OACH36 P1 = 85, P2 = 40
2OACH60 P1 = 85, P2 = 45
2OACH PROGRAM SETTINGS
NOTICE
Program Parameters are NOT controller default values.
They are OceanAire Factory Settings
DISPLAY FAULTS
LAC……… Low AC line power
AAA……… Failed Air Sensor (unit will not run)
CON……… Empty Condensate Bucket—Units with a bucket
Condensate Pump Over-Flow Alarm—Units with pump
High Pressure Cut-Out—Restricted Air Flow
correct problem, and re-set unit at HP RESET
19
20
REPLACEMENT PARTS PROCEDURE
IT IS RECOMMENDED THAT ALL OCEANAIRE UNITS
BE SERVICED BY A QUALFIED AIR CONDITIONING SERVICE TECHNICIAN
WARNING—TO AVOID INJURY, DISCONNECT UNIT POWER
PRIOR TO SERVICING
A. FAN MOTORS
1. Remove cabinet's left-side panel (when looking at the front of the unit).
2. Evaporator fan motor—disconnect evaporator motor wires from evaporator fan
contactor and power module. Condenser fan motor—disconnect condenser
motor wires from condenser fan contactor.
3. For all model sizes 12, 18, 24, and 36, remove the screws securing motors and inlet-
ring to blower housings (all screws are external and visible), and remove blower
wheel-motor assembly. Remove the blower wheel set screw and disassemble the blower
wheel from the motor shaft and remove the motor.
For model size 60—loosen blower wheel shaft set screw, and remove the screws
securing the motor mount to the blower housing and remove motor and mount. Remove
the motor from the motor mount.
4. Install the new motor, reversing the removal procedure.
B. ELECTRONIC CONTROLLER (THERMOSTAT)
To remove the heat/cool display, remove the cabinet's left-side panel (from front).
Locate the two nuts securing the display to the front panel. Unplug the display cable
and remove display. Install new display and secure. Plug in display cable.
C. POWER MODULE
To remove the power module, remove the rear control box cover. Disconnect wires
(one at a time), and re-attach each wire, while holding replacement module in other hand.
Once all wires have been reconnected in accordance with the wiring diagram, install new
power module.
D. CONDENSATE PUMP (ON ALL 5-TON UNITS, OR ON UNITS WHERE
THE CONDENSATE PUMP KIT HAS BEEN INSTALLED)
1. Remove side panel.
2. Remove brackets securing condensate pump in base pan, or condensate tank tray pan
3. Disconnect pump wire leads at Molex connectors. Remove retainer clamp and tubing.
4. Replace pump, install by reversing procedure.
E. HIGH PRESSURE SAFETY SWITCH
1. Remove cabinets right side panel, or right rear side panel of Model 60.
2. Remove flare nut that secures capillary to the refrigeration system high pressure side.
A schrader valve is located in the discharge port which allows removal without losing
the refrigerant charge.
3. Remove two screws that secure high pressure switch.
4. Disconnect wire leads from compressor contactor and condensate pump safety switch.
5. Install new High Pressure Control, reversing the procedure.
To gain access to compressor and compressor run capacitor, remove left hand side
panel.
TROUBLESHOOTING GUIDE
The following steps and procedures are recommended for correcting the problems
indicated. In the event that the problem can not be corrected, service may be required.
SERVICE SHOULD BE PERFORMED BY A QUALIFIED
AIR CONDITIONING SERVICE TECHNICIAN
PROBLEM: UNIT DOES NOT POWER UP
CAUSE: Power interruption
REMEDY: Check LCDI (on models with LCDI), and reset LCDI. Check external power
supply making sure that the disconnect is ON. Check for blown fuses or tripped circuit
breakers. Reset or replace if needed.
CAUSE: Loose display cable
REMEDY: Re-seat display cable at display and power module.
CAUSE: Phase Monitor Fault (3-Phase Models)
REMEDY: Check Phase Monitor, and correct power problem
PROBLEM: EVAPORATOR FAN RUNS BUT
COMPRESSOR AND CONDENSER FAN DO NOT START
CAUSE: SET POINT — setting may be too high for cooling or too low for heating.
REMEDY: Make sure set-point is adjusted accordingly. You should see a red dot to the
right of the temperature display indicating compressor ON.
Note—there is a time delay for the compressor
CAUSE: Loose Display Cable
REMEDY: Examine the control unit for loose wires. Tighten any loose connections.
CAUSE: Condition Alarm—”CON”.
REMEDY: Check condensate tank and empty tank or check condensate pump and make
sure pump is working properly and that there is no kink in the drain line from the pump.
CAUSE: High Pressure Cut-Out—”CON” Check High Pressure Cut-out Switch.
REMEDY: Press Reset and clear away any obstructions to the condenser intake or
condenser discharge.
CAUSE: Compressor contactor open or burned
REMEDY: Replace contactor
CAUSE: Defective Power Module
REMEDY: Replace Power Module
21
22
PREVENTIVE MAINTENANCE
2OACH Heat Pumps are designed to last a long time and to give maximum performance
and reliability with minimum maintenance. To prolong the life of the unit, regular
maintenance must be performed as specified below:
BLOWER MOTORS
The motors on all units have permanently lubricated bearings. No oiling is
necessary
FILTERS
A clogged filter will cause the unit to operate at greatly reduced efficiencies. We
recommend that the filter be inspected on a regular basis every six weeks or less,
depending on the environment. The evaporator filter is located behind the return air grille
and can be easily removed and cleaned. The condenser filter is located on the backside
of the unit. The filters must be washed periodically as needed by placing them in a
dishwasher or soaking them in a solution of warm water and detergent for 10 minutes.
Then rinsing them clean with hot water and shaking excess moisture from filter.
CONDENSATE PUMP
Condensate pumps come standard on all Size 60 models, and may be installed as
options on size 12, 18, 24 and 36 models. When servicing pump follow these steps;
1. Make certain that the unit is disconnected from the power source before attempting to
service or remove any component.
2. Be sure the floats move freely. Clean as necessary.
3. Remove the pump housing and check for obstructions.
4. Clean the housing with warm water and mild soap when mineral deposits are visible.
5. Check the inlet and outlet piping. Clean as necessary. Be sure there are no kinks in the
lines that would restrict flow.
GENERAL
When necessary maintenance steps outlined above are followed, the air conditioner will
provide long and reliable service. The refrigeration and electrical circuits of the system
should only be serviced by a fully qualified service technician.
23
2OACH INTERIOR VIEW
Filter Drier
Evaporator
Blower / Motor
Condenser
Blower / Motor
Condenser
Coil
Evaporator
Coil
Electronic
Controller
(Thermostat)
Display
Cable
Condensate
Tank
Reversing Valve
Control
Box
Hot Gas Valve
24
PIPING SCHEMATIC
25
WIRING SCHEMATIC FOR 2OACH12, 18 and 24
DISCHARGE
TEMP
SENSOR
26
WIRING SCHEMATIC FOR 2OACH3612
DISCHARGE
TEMP
SENSOR
27
WIRING SCHEMATIC FOR 2OACH6012
DISCHARGE
TEMP
SENSOR
28
THREE PHASE MONITOR
Three-Phase units are equipped with monitors for motor protection. The
OceanAire Three-phase Monitor safeguards the unit against incorrect
compressor rotation, low-voltage and/or loss of power in any one of the
power legs. The monitor is installed in the control box and is equipped
with an LED for diagnosis of an improper electrical condition (see
diagrams below). When power is connected, the compressor WILL NOT
engage until the monitor start delay has timed out. If the thermostat does
not power up, an electrical condition may need to be addressed. Remove
the control box cover and observe the LED on the phase monitor. The
LED signals the following:
GREEN-BLINKING - Start delay, 120 sec.
GREEN - Proper Operation
RED/GREEN-BLINKING - signals reverse phase rotation. Switch any
two of the power leads for the unit, NOT THE MONITOR LEADS, and
re-start.
RED-BLINKING - signals improper voltage and/or phase loss. Correct
the power problem, then re-start the unit.
In the event of a power interruption, the unit will re-set to a start-up
condition. The Phase Monitor will not allow the unit to start until power
is corrected.
29
WIRING SCHEMATIC FOR 2OACH3632
DISCHARGE
TEMP
SENSOR
30
WIRING SCHEMATIC FOR 2OACH3634
DISCHARGE
TEMP
SENSOR
31
WIRING SCHEMATIC FOR 2OACH6032
DISCHARGE
TEMP
SENSOR
32
WIRING SCHEMATIC FOR 2OACH6034
DISCHARGE
TEMP
SENSOR
33
LIMITED WARRANTY
The Manufacturer (OceanAire, Inc.) warrants to the original owner that the Product will be
free from defects in material or workmanship for a period not to exceed one (1) year from
date of installation. If upon examination by the Manufacturer, the Product is shown to have
a defect in material or workmanship during the warranty period, the Manufacturer will
repair or replace, at its option, that part of the Product which is shown to be defective.
The Manufacturer further warrants that the product's compressor-motor will be free from
defects in materials and workmanship for five (5) years from the date of installation.
If upon examination by the Manufacturer the Product is shown to have a defect in
materials or workmanship during the warranty period, the Manufacturer will repair or
replace, at its option, that Part of the Product which is shown to be defective. Compres-
sor warranty shall be pro-rated for years 2 – 5 at the sole discretion of OceanAire.
Electrical parts such as relays, overloads, capacitors, etc., and the sealed refrigeration
system (condenser and evaporator) are included in the one year limited warranty, but not
with the five year limited warranty of the compressor.
This limited warranty does not apply to:
a) Product that has been subjected to misuse or neglect, has been accidentally or
intentionally damaged, has not been installed, maintained or operated in
accordance with the furnished written instructions, or has been altered or
modified in any way.
b) Product that has been subjected to any abnormal power conditions such as loss
of power, power surges, voltage irregularities such as brown-outs or phase
loss on three-phase equipment).
c) any expenses, including labor or material, incurred during removal or reinstallation
of the Product.
d) any workmanship of the installer of the Product.
This limited warranty is conditional upon:
a) return to the Manufacturer, of the part of the Product thought to be defective.
Goods can only be returned with prior written approval from the Manufacturer.
All returns must be freight prepaid.
b) determination in the reasonable opinion of the Manufacturer, that there exists a
defective in material or workmanship.
Repair or replacement of any part under this Limited Warranty shall not extend the
duration of the warranty with respect to such repaired or replaced part beyond the stated
warranty period.
THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EITHER
EXPRESSED OR IMPLIED, AND ALL SUCH OTHER WARRANTIES, INCLUDING
WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED AND EXCLUDED FROM
THIS LIMITED WARRANTY. IN NO EVENT SHALL THE MANUFACTURER BE LIABLE
IN ANY WAY FOR ANY CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OF
ANY NATURE WHATSOEVER, OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING
PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUND TO BE DEFECTIVE.
THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT
SPECIFIC LEGAL RIGHTS. YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY
VARY BY EACH JURISDICTION.
END USER INFORMATION
MODEL: ______________________________________
SERIAL NUMBER: _____________________________
Date Purchased: ______________________________
Purchased from: _______________________________
Date Installed: _________________________________
For Technical Support or service parts,
contact our
Keep Cool Team at 847-583-0311
In order to receive the benefits of our warranty,
please register on-line at
www.oceanaire-inc.com
Form EISM-2OACH 01012019
Loading...