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43

3  

Alarm Menu (Figures 59 through 61) 

 

To view the alarms from any menu, simply press the 

ALARM

 key. If no alarm is active, the  

 

display will state NO ALARMS ARE ACTIVE. See Figure 59.

  
 

 

 

 

 

 

           

Figure 59

 

When an alarm is triggered, red LED behind the 

ALARM

 key will light and will remain on until  

 

the alarm is reset. If an alarm is present, pressing the 

ALARM

 key will display a screen similar  

 

to Figure 60. The triggered alarm will be displayed along with the time and date. The bottom  

 

lines will display two pertinent date point values when the alarm occurred.

 
 

 

 

 

 

           

Figure 60

 

To reset the alarm, use the 

DOWN

 key until the reset instructions are shown. See Figure 61.  

 

Pressing the 

ALARM

 key for three seconds will reset all active alarms.

 

Desert Aire - CM3530 Manual

Содержание CM3530 Series

Страница 1: ...it LCD User Interface Custom programming for complex dehumidification temperature humidity control Multiple communication options LonWorks BACnet Ethernet BACnet MS TP Modbus Alarm history retention Integral remote access capability CM3530 Series Controller ...

Страница 2: ...2 ...

Страница 3: ...r documentation provided 2 The Start Up Report must be completed and returned to Desert Aire Service for evaluation If no deficiencies are identified a Warranty Validation Letter will be issued that provides all warranty dates and coverage If installation or start up deficiencies are present these must be corrected and communicated to Desert Aire in order to activate warranty 3 This warranty shall...

Страница 4: ...ury so the above limitations may not apply to you for certain damages This warranty gives you specific 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...

Страница 5: ...5 Product Warning for the State of California Desert Aire CM3530 Manual ...

Страница 6: ...6 Desert Aire CM3530 Manual ...

Страница 7: ... 3 1 Unit Status 15 2 3 2 Occupancy Schedule 16 2 3 2 1 Time Settings 17 2 3 2 2 Daily Events 17 2 3 2 3 Vacation Periods 18 2 3 2 4 Special Days 18 2 3 2 5 Temporary Occupancy 18 2 3 3 Service Menu 19 2 3 3 1 Commissioning 20 2 3 3 1 1 Configuration Blower Setup 20 2 3 3 1 2 Configuration Condenser Setup 21 2 3 3 1 3 Configuration Movable Roof Wall 21 2 3 3 1 4 Configuration Roof Open Action 22 2...

Страница 8: ...lt 45 3 6 c pCOe Cnfg Fault 45 3 7 Modbus Sensor Fault 45 3 8 Blower Overload 45 3 9 Too many mem writings or Retain mem write error 45 3 10 Alarm Log 46 4 Hardware Details 47 4 1 Programmable Controller 47 4 2 Suction Pressure Transducer 47 4 3 Discharge Pressure Transducer 47 4 4 Suction Line Liquid DHU Temperature Sensor 48 4 5 Zone Air Temperature and Relative Humidity Sensor 48 4 6 Reheat Con...

Страница 9: ...s a web page which allows a virtual display terminal to be accessed from any device on the computer network Simply browse to the IP address assigned to the dehumidifier enter the appropriate credentials user Desert Aire password 18485 and select the DISPLAY tab Logging is also available from this web page The CM3530 controller also features optional building automation access This includes options...

Страница 10: ...oom heating system This prevents the heater from trying to heat the room while the dehumidifier is running in cooling mode 1 3 1 Auxiliary Heating Dry Contact Closure The standard Desert Aire CM3530 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 t...

Страница 11: ...s a powerful flexible controller with many useful features including Display of room air temperature relative humidity and refrigerant pressures Display of equipment operating status such as dehumidification and cooling Display of alarms for abnormal conditions such as sensor failures or tripped safety controls An optional seven day occupancy timer which can control outdoor air dampers if used to ...

Страница 12: ...12 Desert Aire CM3530 Manual ...

Страница 13: ...or DOWN keys will now scroll through the help screens Menu screens allow the user to select from a series of actions The action that is capitalized on the screen is selected by pressing the ENTER key To cycle through the selections on a menu screen use the UP and DOWN keys If set points or selections can be altered on a screen the ENTER key will cycle through those items Once the cursor is over an...

Страница 14: ...cific to the unit To modify the set points press the ENTER key and use the arrow keys until the desired setting is shown Press the ENTER key to accept the set point value To return to the Home Screen press the Esc key Figure 2 If pool heating is included in the unit the up and down arrow keys will be shown on the right of the screen Press the DOWN key and the screen shown in Figure 3 will appear S...

Страница 15: ...N MENU displays a text explanation of the unit The ROC Available or ROC Unavailable is shown on the first line of this display This is based on the state of the digital input 7 A water flow switch or a jumper will determine if a remote condenser is available for heat rejection The Occupied state either Occupied or Un Occupied is shown on the second line along with the state of the blower The Unit ...

Страница 16: ... is available To return to the MAIN MENU press the Esc key Figure 5 2 3 2 Occupancy Schedule Figure 6 Select the OCCUPANCY SCHEDULE from the MAIN MENU to enable a schedule to place the dehumidifier in the occupied mode See Figure 6 To enable a schedule select Yes and press ENTER The schedule will need to be setup before this will be enabled Pressing the Prg key from this menu allows the date and t...

Страница 17: ...his is where each day s events are set Four settings are possible which will allow two separate occupancy periods Check the first box by pressing the UP key when the cursor is over the check box Set the time in 24 hour format and then select Occupied or Un Occupied Save this data at the bottom of this screen by selecting Yes and pressing ENTER Once a day is entered these settings can be copied to ...

Страница 18: ...her Occupied or Un Occupied To return to the OCCUPANCY SCHEDULE MENU press the Esc key Figure 10 2 3 2 5 Temporary Occupancy Figure 11 This screen allows the unit to be manually set to Occupied for a preset amount of time Press the ENTER key and enter the hours you would like the unit to be temporarily in the occupied mode Press the ENTER key again and enter the minutes you would like the unit to ...

Страница 19: ...e OCCUPANCY SCHEDULE MENU press the Esc key Figure 11 2 3 3 Service Menu Figure 12 and 13 Selecting the SERVICE MENU will display the Login Screen Figure 12 Enter the service password 1234 and press ENTER Figure 12 The SERVICE MENU gives access to Commissioning Tuning I O Status Sensor Offsets Diagnostics and Memory Options Figure 13 To return to the MAIN MENU press the Esc key Desert Aire CM3530 ...

Страница 20: ...MISSIONING MENU from the Service Menu displays the COMMISSIONING MENU Figure 14 This menu allows the operator to select the Configuration Airflow Setup Current Conditions Commissioning Test Motor Phasing and BMS Setup To return to the Service Menu press the Esc key Figure 14 2 3 3 1 1 Configuration Blower Setup Figure 15 Selecting the CONFIGURATION from the Commissioning Menu displays the BLOWER S...

Страница 21: ...stalled box Checking this box along with the state of digital input 7 will determine if the ROC is available or un available Press the DOWN key for the next Configuration screen To return to the Service Menu press the Esc key Figure 16 2 3 3 1 3 Configuration Movable Roof Wall Figure 17 Pressing the DOWN key will now display the Movable Roof Wall screen Figure 17 This screen displays the state of ...

Страница 22: ... AIRFLOW SETUP from the Commissioning Menu displays the AIRFLOW SETUP screen Figure 19 This screen displays the air differential pressure drops across the reheat condenser and the evaporator bypass damper When an Outdoor Air box is installed in the dehumidifier the O A Occ and O A unocc positions of the O A damper can be set here An override is also provided to allow the Occupied or Un Occupied mo...

Страница 23: ...g in the Commissioning section of the Service Menu To return to the Commissioning Menu press the Esc key Figure 20 2 3 3 2 2 Commissioning Tests Figure 21 and 22 Selecting the COMMISSIONING TESTS from the Commissioning Menu displays the COMMISSIONING TEST screens Figure 21 Every condenser used by the dehumidifier will have a separate screen Select the condenser to test and override it by setting t...

Страница 24: ...t to be forced On and a manual percentage to be forced This allows for stable conditions for the amperage to be recorded on the startup form To return to the Commissioning Menu press the Esc key Figure 21 Figure 22 2 3 3 2 3 Motor Phasing Figure 23 Selecting the MOTOR PHASING TS from the Commissioning Menu displays the MOTOR PHASING screen to be shown Figure 23 Turning the Blower on will run the b...

Страница 25: ...is screen will allow the address baud rate and data parameters to be set If J3 is set for BACnet MS TP pressing the DOWN key will display Figure 26 This screen will allow the BACnet data to be used Pressing the DOWN key will also display the Ethernet protocol selection Figure 27 Setting the Ethernet port for BACnet IP will allow the screen in Figure 28 to be displayed This allows the Device ID and...

Страница 26: ...26 Figure 24 Figure 25 Figure 26 Desert Aire CM3530 Manual ...

Страница 27: ...et subnet to be sent to any other unit on that subnet The first three octets of the IP address must be the same as well In order to prevent network faults from shutting down the dehumidifier DHCP must be turned Off and a static IP address must be used Consult with the system administrator for static IP addresses for all dehumidifiers Desert Aire CM3530 Manual ...

Страница 28: ...enu press the Esc key Figure 30 2 3 3 4 Tuning Deadbands Figure 31 through 34 Selecting TUNING from the SERVICE MENU displays the DEADBANDS screen Figure 31 The default settings for the dead bands can be modified on this screen The Heating Deadband value is subtracted from the Zone Temperature Setpoint from Section 2 2 This value is the heating set point that enables the aux heating output It is a...

Страница 29: ... Figure 33 details the heating and cooling control Figure 34 details the pool heating control Press the DOWN key for the next Tuning screen To return to the Service Menu press the Esc key Figure 31 50 49 Zone Relative Humidity LC LV Humidity Control Setpoint 50 RH Differential 1 RH Compressor is required when RH is over 50 Compressor is off under 49 RH but between 50 49 a requirement for the compr...

Страница 30: ... Cooling Setpoint Differential Heating Setpoint Unit Setpoint Heating Deadband Heating Setpoint Differential Zone Temperature Zone Temperature Figure 33 84 83 Pool Water Temperature F Pool Water Temperature Control Pool Water Setpoint 85 F Pool Differential 1 F Pool Stage Deadband 2 F The LC pool condenser is used below the pool water set point and the aux pool heat is required below the pool wate...

Страница 31: ...entials are 0 0 F to 9 9 F To modify the differentials press the ENTER key and use the arrow keys until the desired setting is shown Press the ENTER key to accept set point value See the graphs in Figures 32 through 34 for an illustration of the operation of the heating cooling dehumidification and pool heating modes Press the DOWN key for the next Tuning screen To return to the Service Menu press...

Страница 32: ...percentage to disable the digital heat contact and the time required for this to occur To return to the Service Menu press the Esc key Figure 37 2 3 3 5 I O Status Figure 38 Selecting the I O Status from the STATUS MENU displays Digital Inputs Analog Inputs Digital Outputs and Analog Outputs selection menu Use the UP and DOWN key to make a selection and press the ENTER key To return to the STATUS ...

Страница 33: ...r starter overload contact OK if the contact is closed and Flt if an overload exists The second line will show the status of U9 the compressor motor starter overload contacts OK if no overloads is present and Flt if an overload exists The third line will show the status of U10 the System On Off switch On and Off The fourth line will show the status of ID1 the smoke alarm contact OK if this contact...

Страница 34: ...er heating will show the partial pool flow switch On if there is flow and Off if no flow is present This input may also be used as a low voltage monitor or filter alarm switch if partial pool heating is not selected These options can be used by modifying the factory configuration The fourth line will show the status of U8 the Roof Switch On or Off This input may also be used as a low voltage monit...

Страница 35: ...the drop across the evaporator The DHU temperature is also shown here Figure 42 The third page of Analog Inputs shows the readings of the suction pressure and temperature and discharge pressure The superheat shown is a calculated value derived from the suction temperature less the P2T of the suction pressure sensor Figure 43 Desert Aire CM3530 Manual ...

Страница 36: ...plied Figure 45 To return to the I O STATUS screen press the Esc key 2 3 3 5 3 Digital Outputs Binary Figure 46 through 48 The Digital Outputs Screens shows the state of the devices turned on and off by the control system The first page shows the state of the relay contacts on the controller ports J10 and J11 The first line will show the status of C1 the air heat contact On and Off The second line...

Страница 37: ...st line will show the status of C1 the Occupied contact On and Off The second line will show the status of C2 the Alarm contact On and Off The third line will show the status of C3 the Bleed Solenoid 5Sol On and Off Figure 47 The third page shows the state of the relay contacts for the pool heating control on the main controller J12 and the expansion module controller ports J11 and J12 The first l...

Страница 38: ...roubleshooting the control system The Analog Outputs Screen shows the following Evap Bypass Damper Command Air Heat Modulating Command Outdoor Air Damper Command Figure 49 To return to the I O STATUS screen press the Esc key 2 3 3 6 Sensor Offsets Figures 50 through 52 These screens allow the control valves of the analog input points to be adjusted if calibration shows these devices to be inaccura...

Страница 39: ...ept the offset value Figure 50 Figure 51 Figure 52 To return to the SERVICE MENU press the Esc key 2 3 3 7 Diagnostics Figures 53 and 54 These screens allow the refrigerant pressure and superheat and subcooling to be watched while a specific condenser is selected for use Turn the override on to use that condenser Desert Aire CM3530 Manual ...

Страница 40: ...ake a few minutes The files written are the Alarm Log csv and the Data Log csv Both of this can be opened in Excel The Alarm Log takes a snapshot of the conditions whenever an Alarm is triggered The Data Log records values every minute of operation for the past month The second and third screens allow for the file Set point txt to either be saved or loaded After the dehumidifier has been commissio...

Страница 41: ...key 2 3 4 Unit Revision Figure 58 The Unit Revision Screen shows the version of the application program that is running along with the release date of the software Figure 58 This information should be passed to Desert Aire in the event a service call is necessary Desert Aire CM3530 Manual ...

Страница 42: ...42 Figure 58 Desert Aire CM3530 Manual ...

Страница 43: ...ain on until the alarm is reset If an alarm is present pressing the ALARM key will display a screen similar to Figure 60 The triggered alarm will be displayed along with the time and date The bottom lines will display two pertinent date point values when the alarm occurred Figure 60 To reset the alarm use the DOWN key until the reset instructions are shown See Figure 61 Pressing the ALARM key for ...

Страница 44: ...a one hour period The refrigeration circuit will stop and not restart until the suction pressure rises above 106 0 psig and the alarm is reset manually The red Alarm LED on the display will stay lit until the alarm is reset The suction pressure trip set point is normally 58 0 psig When the compressor is started and for the first 90 seconds of the compressor running the suction pressure trip set po...

Страница 45: ...ay will stay lit until the alarm is reset 3 6 c pCOe Cnfg Fault This is an Automatic Reset Alarm The c pCOe is the expansion module Check the expansion module power and communication link The red Alarm LED on the display will stay lit until the alarm is reset 3 7 Modbus Sensor Fault This is an Automatic Reset Alarm Check the communication wiring to the sensor when this fault occurs The red Alarm L...

Страница 46: ...e Figure 62 by pressing the ENTER key This screen shows records of the alarm log The bottom two lines will show the pertinent data that was recorded when the alarm occurred Use the UP and DOWN keys to view other records Figure 62 To return to the home screen press the Esc key Desert Aire CM3530 Manual ...

Страница 47: ... 31 25 Example if V is 2 50 VDC then Pressure psig 62 5 2 50 31 25 156 25 31 25 125 psig The Suction Pressure Transducer s replacement part number is available from Desert Aire by calling our service department 4 3 Discharge Pressure Transducer The Discharge Pressure Transducer is a 0 5 4 5 VDC to 0 652 psig ratio metric device The body is brass with a 1 4 SAE female refrigerant connection This tr...

Страница 48: ... communication is lost from this device an alarm is activated The Desert Aire replacement part number for the Zone Air Temperature and Relative Humidity Sensor is available by calling our service department 4 6 Reheat Condenser and Evaporator Bypass Differential Air Pressure Sensors These sensors have a range of 0 0 wc to 2 0 wc The output of this device is a 0 25 VDC at 0 0 wc and 4VDC at 2 0 wc ...

Страница 49: ...f the controller has a factory default of DHCP for the TCP IP address To obtain the current address see Section 2 3 3 3 for the ethernet port setup Figure 29 A static TCP IP address can be set from this screen Refer to your IT department to obtain a static TCP IP address Browse the IP address assigned to the dehumidifier enter the appropriate credentials user Desert Aire password 18485 and select ...

Страница 50: ...MIZING SOLUTIONS THROUGH SUPERIOR DEHUMIDIFICATION TECHNOLOGY N120 W18485 Freistadt Road Germantown WI 53022 E mail info desert aire com Ph 262 946 7400 Fax 262 946 7401 Website www desert aire com 322 2018 12 ...

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