Oasys SEER 40 PLUS Owner's Manual
TM
OASys
HYbRID Air Conditioner Owner’s Manual
with IDAC TECHNOLOGY
SEER 40 PLUS
THERE’S A CHANGE IN THE AIR
OASys OWNER’S MANUAL | www.oasysairconditioner.com | 800-537-2107
®
... AND IN YOUR ENERGY BILL
TABLE of CONTENTS
INTRODUCTION ...............................................................................2
WARRANTY REGISTRATION ......................................................3
GETTING STARTED ..........................................................................5
OPERATION ...........................................................................................6
Thermostat Operation ........................................................6
Operating Modes and Controls ........................................8
Operating Indicators ............................................................10
General Use ...........................................................................11
HOW OASys WORKS ........................................................................12
Principal of Operation .........................................................12
Water Consumption ............................................................12
MAINTENANCE AND SERVICE ..................................................13
General Troubleshooting .....................................................13
Winterization .........................................................................13
Requesting Service ...............................................................13
EXPLODED UNIT GRAPHIC ........................................................14
INSTALLATION INSTRUCTIONS ..............................................15
INSTALLATION CHECKLIST .......................................................15
SAFETY ....................................................................................................15
PLANNING THE INSTALLATION
Sizing .......................................................................................15
Selecting a Location for the OASys ..................................15
Planning for Air Distribution ..............................................16
Service Connections ............................................................17
Controls ..................................................................................17
Water Hardness ....................................................................17
Preparation for Mounting ...................................................18
UNPACKING AND INSPECTION
Parts Included ........................................................................18
INSTALLATION
Cabinet Installation ...............................................................18
Ducting ....................................................................................18
Water Connections .............................................................18
OASys Service and Maintenance Drawings .............................19
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OASys COMPONENTS at a glance
WARNING – TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
A. Installation work and electrical wiring must be done by qualied person(s) in accordance with all
applicable codes and standards, including re rated construction.
B. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other
hidden utilities.
C. More than one disconnect switch may be required to de-energize the equipment for servicing.
___________________________________________________________________________
UL File E309793 Vol. 1 Sec. Gen. Page 3 Issued: 2007-04-02
INTRODUCTION
The OASys is a highly efcient, environmentally benign, and low maintenance cooling system. Because
of the unique nature of the OASys compared to conventional refrigerant air conditioners, a thorough
reading of this manual is highly recommended to assure that you benet from its comfort and energy
advantages.
“OASys” stands for Outdoor Air System. Instead of re-circulating indoor air OASys delivers 100% outdoor air, ltered through a water saturated media. And instead of compressing a gas to achieve cooling, the OASys provides cooling by evaporating water using a unique two-stage process. The following
features show why the OASys is an entirely new class of air conditioner:
• 80% reduction in energy consumption (EER 40+)
• Two stage cooling results in lower air temperature, less humidity than single stage evaporative
coolers, and superior comfort
• Variable speed operation is provided by a three speed motor.
• Single blower and dual pump design means fewer moving parts, less maintenance, and lower
operating cost.
• Intelligent controls enable the unit to precisely maintain water quality, reducing maintenance and
conserving water.
• Easy access to all components simplies maintenance and repairs.
To begin using your OASys immediately, read Getting Started. To fully understand how to operate OASys, read the Operations section. To learn the principals of operation, refer to the sections General Use
and How OASys Works. To assure reliable, efcient operation of OASys for many years, refer to Maintenance and Service.
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OASys WARRANTY REGISTRATION
Please return by mail to:
attn: Russ Waters
Speakman Company
P.O. Box 191
Wilmington, DE 19899-0191
or
Go to www.oasysairconditioner.com/techinfo.html to download a llable PDF
and return by e-mail to: info@oasysairconditioner.com
OASys Serial Number _________________________________________________________
Customer Name _____________________________________________________________
__________________________________________________________________________
Customer Address Street _______________________________________________________
City, State and ZIP Code _______________________________________________________
Phone Number (optional) _______________________________________________________
Email Address (optional) ________________________________________________________
Can we contact you to check on the status of your OASys?
Would you like a free Speakman high performance Eco Shower Head
to reduce water consumption versus standard shower heads? ❑ Yes/ ❑ No
For OASys updates and additional products please see our website:
www.oasysairconditoner.com
❑ Yes/ ❑ No
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GETTING STARTED
THESE INSTRUCTIONS will allow you to start using your OASys immediately.
To fully understand how to benet from its features, it is important that you read the Operation section.
• Insure power is connected.
• Insure water supply is connected and turned on.
• Your HVAC installer should check to make sure that the oat arm is properly aligned to the indicated
sump water level. This oat signals the solenoid inlet valve to introduce more water into the sump. If
it has become misaligned in shipment it can cause the unit to introduce more water than is necessary.
This water will not leak or cause damage since it goes out the overow discharge but it is to a certain
degree unnecessarily wasteful.
• Press On/Off button- power light will come on.
• Use the Mode Key to select the Auto Cool mode. Display will show “AC”. Auto Cool mode instructs
the OASys to achieve the Set Temperature. Note: as the OASys nears the Set Temperature the fan
speed will decrease- this programming maximizes energy savings and prevents the unit from going on
and off at high speed.
• The Display normally shows the Room Temperature. The Display changes to Set Temperature for 4
seconds if the arrows are used or if a signal is received from the remote transmitter. Use set button
arrows on the thermostat to select the desired Set Temperature or use the remote transmitter.
• The OASys will then commence operation and will automatically go through the following steps;
Solenoid Valve will open and the sump will ll with water, after 4 minutes the circulation pump will turn
on and the heat exchanger and direct media will wet out, after two minutes the fan will come on and
the unit will begin to supply cool conditioned air. Note: a total time of 6 minutes will elapse before cool
conditioned air begins to circulate.
• If the cooler fails to operate as described in the Sequence of Operation section of this manual, refer to
Maintenance and Service.
FOR MAXIMUM COMFORT and efciency, always use the Auto Cool mode. Because OASys uses so little
energy, setting the thermostat to maintain the temperature at 72-75° will assure that the house is
comfortable during the hottest part of the day, while costing only pennies per day. Setting the thermostat
lower during sleeping hours will also improve daytime comfort by precooling the “mass” of the house.
Because cooler air is delivered during nighttime hours, nighttime cooling efciency is very high.
THE OASYS INTRODUCES a continuous supply of fresh conditioned outdoor air. Unlike conventional
air conditioners which recycle stale indoor air the OASys must have an outlet to avoid pressurizing the house.
Provide outlets where you want the conditioned air stream to ow. Outlets can be as simple as open windows
or doors or can be consist of installed up-ducts to the attic. Cooling the attic will signicantly reduce the heat
load on the rest of the house. Often overlooked but quite effective outlets are replace dampers.
NOTE: When you rst start up the OASys unit you may notice a slight odor. This odor results from the
Celdek direct cooling media and is common to all sophisticated evaporative coolers that use this high quality
material. The odor will disappear within a few hours of use. If the odor is problematic use the thermostat to
ll and drain the sump several times to condition the direct media and the heat exchanger.
It is also possible to add a scent agent of your choice at any time either by spraying directly into the intake air
stream or by adding a few drops to the sump water.
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OPERATION
MODES
• Modes are the types of actions the OASys can perform.
CONTROLS
• Controls are the way the Modes are set or programmed.
INDICATORS
• Indicators allow the OASys unit to tell the user what Modes and settings have been chosen.
GENERAL FEATURES OF THE THERMOSTAT
The Thermostat has following general features
• Set Point temperature range from 61ºF to 86ºF
• Timer setting in Hours (if selected from the Thermostat) or
Hour/Minute (if selected from the Remote Control) to turn system on/off.
• Visual indication of the system operation indicated on Thermostat
• Various modes of operation
Explained below under the heading Modes of Operation
Please also refer to the diagram of the Controller and Thermostat shown in Figure 1
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