Desert Aire CM3510 Series Manual de usuario
Installation and Operation Manual for SA Units
• Backlit LCD User
Interface
• Pr
ogrammed by
Desert Ai
re for
dehumidification and
temperatur
e control
• Multiple communicatio
n
interface options:
- LonW
orks®
- BACnet™ Ether
net
- BACnet™ MS/T
P
- Modbus
®
• Alarm history r
etention
• Inter
nal time clock for
stand alone operatio
n
2
3
DANGER
ONLY TRAINED, QUALIFIED PERSONNEL SHOULD INSTALL AND/OR SERVICE
DESERT AIRE EQUIPMENT. SERIOUS INJURY, DEATH AND PROPERTY DAMAGE CAN
RESULT FROM IMPROPER INSTALLATION/SERVICE OF THIS EQUIPMENT. HIGH VOLTAGE
ELECTRICAL COMPONENTS AND REFRIGERANT UNDER PRESSURE ARE PRESENT.
Desert Aire
Dehumidication Equipment
Standard Limited Warranty
Desert Aire warrants the dehumidifying unit to be free from defects in materials and workmanship subject to the terms,
conditions and limitations stated herein.
TERMS
Desert Aire warrants all components (except as noted) for a period of two (2) years from the date of shipment. This
warranty shall be limited to the supply of new or rebuilt parts for the part which has failed because of
defects in workmanship or material, and does not include the cost for labor, transportation or other costs not herein
provided for. Replaced parts are warranted only for the remaining portion of the original warranty period.
CONDITIONS
The warranty is subject to the following conditions:
1. The unit must be properly installed and maintained in accordance with the Desert Aire
“Installation and Operation Manual” provided with each unit and/or other documentation
provided.
2. The Start-Up Report must be completed and returned to Desert Aire Service for evaluation. If no
decienciesareidentiedaWarrantyValidationLetterwillbeissuedthatprovidesallwarranty
datesandcoverage.Ifinstallationorstart-updecienciesarepresent,thesemustbecorrected
and communicated to Desert Aire in order to activate warranty.
3. This warranty shall not apply to any part that has been tampered with, or has been subject to
misuse, negligence or accident. A warranty can be obtained for altered equipment but only with
written consent from Desert Aire.
4. The following parts and components are excluded from the warranty: belts, lters, driers, fuses and
refrigerant.
5. Refrigerant coils or other components that corrode due to improperly balanced pool chemistry or
corrosive air quality will not be warranted.
6. All replacements or repairs will be FOB Germantown, WI.
7. This warranty shall be null and void if defects or damages result from unauthorized opening of the
refrigerant circuit, tampering with factory set controls, or operating outside the original design
conditions.
Desert Aire - CM3510 Manual
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8. Desert Aire shall not be liable for labor costs incurred in diagnosing the problem, or the removal
or replacement of the part or parts being repaired.
9. Desert Aire must preauthorize all warranty coverage described herein.
ExtendedWarranty:
Your Desert Aire unit may have extended warrantees beyond this Standard Limited Warranty document.
Extended warrantees are only available at the time of the purchase of the original equipment. These extended
warrantees are covered under a separate document and their terms and conditions are separate from this
document. It is mentioned in this document for informational purposes only. Any extended warranties will be
identied on the Warranty Validation letter.
Any and all incidental or consequential damages are expressly excluded from this warranty. Some states do not allow
the exclusion of incidental or consequential damages for personal injury, so the above limitations may not apply to you
for certain damages. This warranty gives you specic legal rights, and you may also have other rights, which vary
from state to state. No person or representative is authorized to make any warranty or assume any liability not strictly
in accordance with the aforementioned.
Inquiries regarding warranty matters should be addressed to:
Desert Aire Corp
c/o Service Manager
N120 W18485 Freistadt Road
Germantown, WI 53022
PH: (262) 946-7400
TOLL FREE: (800) 443-5276
FAX: (262) 946-7401
Additional copies of this manual can be purchased for a nominal fee from Desert Aire. Desert Aire also posts the most
current revision of our I/O Manuals on our website. For a digital copy of the I/O Manual for your unit revision, please
submit request to the contact information listed above.
Desert Aire - CM3510 Manual
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ProductWarningfortheStateofCalifornia:
Desert Aire - CM3510 Manual
6Desert Aire - CM3510 Manual
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TABLEOFCONTENTS
Overview .............................................................................................................................. 9
1. Field Installation of CM3510 Control Sensors
.............................................................
9
1.1.1 Duct-Mounted Sensor .............................................
...................................
9
1.1.2 Wall Mount Humidity and Temperature Sensor ..................
......................
9
1.1.3 Water Temperature Sensor (Pool Water Heating Option Only)
................
9
1.2 Auxiliary Air Heating Control Wiring ........................
...............................................
10
1.2.1 Auxiliary Heating - Dry Contact Closure ...............
.....................................
10
1.2.2 Auxiliary Heating - Proportional Signal ..................
....................................
10
1.3 CM3510 Controller Overview .................................
................................................
10
2. SA Controller Details .................................................
.......................................................
13
2.1 Menu Overview and General Instructions ............................................................... 13
2.2 Main Menu ..............................................................................
................................
14
2.2.1. Status Menu ................................................................................................. 14
2.2.1.1 Unit Status ...................................................
..................................
15
2.2.1.2 I / O Status ........................................................
............................
17
2.2.1.2.1 Digital Inputs (Binary) ..................................................... 18
2.2.1.2.2 Analog Inputs .................................
................................
22
2.2.1.2.3 Digital Outputs (Binary) .................................................. 25
2.2.1.2.4 Analog Outputs ............................................
..................
28
2.2.1.3 Pressure Cutouts ...................................................
.......................
30
2.2.1.4 EXV Status .................................................................................... 30
2.2.2 Setpoint Menu ............................................................................................. 31
2.2.3 Occupancy Schedule .................................................................................. 32
2.2.3.1 Schedule Options .......................................................................... 33
2.2.3.2 Temporary Holidays ..............................................
........................
34
2.2.3.3 Annual Holidays ............................................................................ 35
2.2.3.4 Temporary Occupancy .................................................................. 36
2.2.3.4.1 Temporary Overrides ...................................................... 36
2.2.3.5 Set Time ........................................................................................ 37
2.2.4 Service Menu ............................................................................................. 38
2.2.4.1 Tmp/RH Settings ............................................................................ 38
2.2.4.1.1 Deadbands ..................................................................... 39
2.2.4.1.2 Air Differentials ............................................................... 41
2.2.4.1.3 Energy Recovery ..........................................
...................
42
2.2.4.1.4 Pool 1 or 2 Settings ........................................................ 43
2.2.4.2 Aux Heat Settings ...................................................
........................
44
2.2.4.3 Cond/Roof Settings ....................................................................... 47
Desert Aire - CM3510 Manual
8
2.2.4.4 Sensor Offsets .............................................................................. 49
2.2.4.5 Airow Menu ................................................................................. 50
2.2.4.5.1 Airow Setup .................................................................. 51
2.2.4.5.2 Airow PID Loops .......................................................... 56
2.2.4.5.3 Max O/A Settings ........................................................... 60
2.2.4.5.4 Low Exhaust Settings .................................................... 60
2.2.4.6 Economizer Settings ..................................................................... 61
2.2.5 Unit Revision .............................................................................................. 63
2.3 Alarms ..................................................................................................................... 63
2.3.1 Alarm Screen ............................................................................................. 63
2.3.2 Low Suction Pressure Circuit A or Circuit B ............................................... 64
2.3.3 High Discharge Pressure Circuit A or Circuit B .......................................... 64
2.3.4 Supply Air Temperature Sensor Failure ..................................................... 65
2.3.5 Zone Air Temperature Sensor Failure ........................................................ 65
2.3.6 Supply Blower or Exhaust Blower Motor Overload .................................... 65
2.3.7 Compressor A or B Motor Overload ............................................................ 65
2.3.8 System Shutdown ...................................................................................... 65
2.3.9 Low Supply Air Temperature ...................................................................... 66
2.3.10 Low Voltage (optional Low Voltage Monitor needed to activate alarm) ..... 66
2.3.11 Low Air Flow ............................................................................................... 66
2.3.12 Freeze Stat Alarm (Units Equipped with Hot Water Coil Option Only) ....... 66
2.3.13 Evacuator VFD Overload ........................................................................... 66
2.3.14 Alarm History Screen ................................................................................. 66
3 Hardware Details .............................................................................................................. 69
3.1 Programmable Controller ...........................................................................
.............
69
3.2 Suction Pressure Transducer ................................................................................. 69
3.3 Discharge Pressure Transducer ............................................................................ 69
3.4 Differential Air Pressure Transducer ....................................................................... 70
3.5 Temperature Sensor .............................................................................................. 70
3.6 Zone Air Temperature and Relative Humidity Sensor ............................................. 70
4 Appendix ............................................................................................................................ 71
4.1 Remote Communication .......................................................................
...................
71
4.1.1 BACnet Ethernet ........................................................................................ 71
4.1.2 BACnet MS/TP ........................................................................................... 75
Desert Aire - CM3510 Manual
9
Overview
The CM3510 operating controller installed in Desert Aire’s SA dehumidifer is designed for
precise control and monitoring of air temperature and relative humidity (RH) within the
conditioned space. Additionally the control will capture and retain alarm history to aid in
equipment troubleshooting.
1. FieldInstallationofCM3510ControlSensors
The unit supplied for your project will include either a Duct Mount Sensor Assembly or a Wall
Mount Sensor Assembly depending on how the unit was ordered. All sensor installations
should be made in a location that will provide an accurate measurement of the area being
controlled. Effort should be made to prevent inuence on the sensors from external sources.
1.1.1 Duct-Mounted Sensor
Install the duct-mount sensor in the return air duct upstream of any outdoor air intakes.
• Do not mount the sensor in a section of duct where false readings may occur
due to dead air regions, solar heat gain, or thermal losses in winter.
• Do not mount the sensor where water is likely to drip on it. Liquid moisture
will ruin the humidity sensing element in the sensor.
1.1.2 WallMountHumidityandTemperatureSensor
If your dehumidier was ordered with a wall-mount humidity and temperature sensor,
mount the sensor ve feet or higher above the pool deck on an interior wall with
natural air circulation. Avoid the following locations:
• Do not install in a corrosive or wet environment.
• Hot spots near concealed heating pipes, warm air ducts, supply register
outlets, or solar radiation.
• Cold spots due to a cold wall or drafts from stairwells, doors, windows, or
supply register outlets.
• Dead spots such as behind doors or in corners where room air cannot
circulate freely.
1.1.3 WaterTemperatureSensor(PoolWaterHeatingOptiononly)
Desert Aire dehumidiers ordered with the pool water heating option are supplied with
a water temperature sensor and an immersion well.
• Screw the well into an adapter tted into the pool water piping. The well is
equipped with a 1/2” MPT connection.
• Install the sensor upstream from the dehumidier or the auxiliary pool
water heater.
Desert Aire - CM3510 Manual
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• The sensor must be installed in a location where it will accurately sense the
pool water temperature. Water ow at the sensor location is required for
proper operation.
1.2. AuxiliaryAirHeatingControlWiring
Note: You must use the Desert Aire CM3510 control system to control or interlock with
the room heating system. This prevents wide uctuations in room air temperature. It also
prevents the heater from trying to heat the room while the dehumidier is running in the
cooling mode.
1.2.1. AuxiliaryHeating-DryContactClosure
The standard Desert Aire CM3510 Controller provides a dry contact closure to operate
the auxiliary space heater. The contact closes to energize a heater (may be supplied
by others) which has its own power source.
Install two wires from the thermostat terminal blocks on the heater to the terminal strip
on the control panel of the dehumidier. (See your wiring schematic for connection
details.)
1.2.2. AuxiliaryHeating-ProportionalSignal
Desert Aire will provide a proportional 0-10 VDC direct-acting signal to modulate a
heating coil control valve or other auxiliary modulating heater. Most proportional
valves have either three (3) or four (4) terminals for eld-installed wiring.
• Four-terminal valves have two terminals for 24 VAC power and two terminals
for the signal input.
• Three-terminal valves have one terminal for the “hot” 24 VAC input, a second
terminal for the “positive” signal input and a third, common terminal for the
“neutral” 24 VAC input and the “negative” signal input.
You must follow the instructions included with the valve cut sheet. Observe the proper
polarity or you may damage both the valve and the controller. (See your wiring
schematic for connection details.)
1.3. CM3510ControllerOverview
Desert Aire’s CM3510 microprocessor controller is a powerful, exible controller with many
useful features including:
• Display of room air temperature, relative humidity and refrigerant pressures.
• Display of equipment operating status such as dehumidication and cooling.
• Alarm notication and alarm history retention.
• Internal 7 day time clock for occupancy, holiday, and temporary occupancy
scheduling.
Desert Aire - CM3510 Manual
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