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PostCool Temp: XXX.X º F

Leaving Temp: XXX.X º F

CURRENT GRAIN STATUS

Outside:

PostCool:

Leaving:

MISC

OUTPUTS

Coil Damp: ON/OFF WhlD: ON/OFF

Afterheat Stage: ON/OFF

Supply Heat Out: 000.0 - 100.0%

CURRENT ALARMS

When the unit is in the alarm mode, the alarm button on the
microprocessor will be illuminated in red.

***ALARM***

The CURRENT ALARMS field will show any current alarms, but the
easiest way to view the alarm(s) is to press the red alarm button to
show the first current alarm on the display. Press the down-arrow to
view any additional alarms. When there are no more corrent alarms,
the NO MORE ALARMS screen will appear. Press the enter button
to clear the alarms after the problem causing the alarms is rectified.
Alarms must be manually reset except where noted below.

SUPPLY FAN FAULT

***ALARM***

Compressor High Discharge Lockout occurs when discharge
pressure reaches 600 psi.

COMPRESSOR A

HIGH

DISCHARGE

LOCKOUT

***ALARM***

The difference between suction and discharge pressure is

≤

75 psi

after the compressor has run for 5 minutes

COMPRESSOR A LOW PRESS DIFF

***ALARM***

Reactivation fan fault occurs when the reactivation fan VFD or
contactor indicated that the reactivation fan has tripped.

REACTIVATION FAN FAULT

***ALARM***

Wheel fault is occurrs when DH is on and the temperature
difference between the wheel entering temperature and the wheel
leaving air temperature is less than 5ºF after a delay of 30 min.

WHEEL

FAULT

***ALARM***

Indicates that the outside air temperature is less than the minimum
air temperature allowed for the compressor to operate. This is
adjustable under factory settings. Outside temperature cooling
shutoff will automatically reset when the temperature rises above
the setpoint.

OUTSIDE TEMPERATURE

COOLING

SHUTOFF

***ALARM***

Indicates that the outside air temperature is less than the minimum
air temperature allowed for the supply fan to operate and bring in
outside air. This is adjustable under user settings. Outside
temperature fan shutoff will automatically reset when the

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Содержание HCUw

Страница 1: ...Patent Nos 6 711 907 6 557 365 Additional US International and Chinese patents pending OPERATING MAINTENANCE MODEL HCUw R410a Refrigerant OM 0009 06 ...

Страница 2: ... Fan Control 5 Maintenance pg 18 5 1 Quick Maintenance Check 5 2 Suggested Maintenance Schedule 5 3 Inspecting the Ductwork 5 4 Replacing the Air Filters 5 5 Inspecting the Seals 5 6 Inspecting the Fans 5 7 Inspecting the Wheel Drive Motor and Belt 5 8 Inspecting the Roller Wheels 5 9 Electronic Controls 5 10 Checking the Drip Tray and Drain 5 11 Removing and Replacing the Honeycombe Wheel Drive B...

Страница 3: ...int The desiccant wheel is reactivated by recycling heat from the condenser coil The HCU can provide cooling only by simply turning off the desiccant wheel A conventional air conditioner cools the air and removes some of the moisture It works well at design conditions of high ambient temperature with mild humidity conditions However at more moderate ambient temperature conditions with greater mois...

Страница 4: ...duce enough voltage and current to cause serious injury or death Always turn off and lock out the power before you work inside the unit Do not work with the electrical parts unless you are a trained electrician The HCU unit includes three or four fans the supply reactivation and condenser fans Keep your hands away from the fans while the unit is turned on Before working with the machine allow enou...

Страница 5: ...in water leaks 2 Allow clearances around the unit on all sides for maintenance access 3 The unit should have free access to outdoor air 3 3 INSTALLING THE HOODS 1 Air intake hoods must be installed over the condenser coils and on the outside air inlet on the side of the unit opposite the condenser coil There are 12 condenser coil hoods 40 wide and 4 makeup air inlet hoods 30 wide 2 Condenser coil ...

Страница 6: ...gned to operate on three phase AC at 208 3 60 230 3 60 or 460 3 60 as specified Be sure the line voltage matches the voltage required by the machine The HCU is wired for 208 480 Volts The unit can produce enough voltage and current to cause serious injury or death Always turn off the power before you work inside the unit Follow standard lockout tag out procedures Do not work with the electrical pa...

Страница 7: ...al service 1 A unit using three phase AC may be wired so the compressor is operating backwards A unit that is wired this way may make an unusual sound and will not produce any cooling The microprocessor will indicate Compressor Low Diff Press alarm after a 5 minute delay To correct this problem see Section 3 5 If the compressors will not energize check adjustment on the Airflow switch The supply f...

Страница 8: ...ON PRESSURE Set point default 128 psig R410a NOTE The night setback digital input DI8 Outside Air Damper must be jumpered to terminal 20 When DI8 is not energized compressor B will not operate The HCU microprocessor can be set for temperature priority or humidity priority mode of operation In Humidity priority default position the desiccant wheel will operate along with the compressor anytime DH i...

Страница 9: ...software version with version date MAIN MENU STATUS CURRENT ALARMS DATE TIME USER SETTINGS RUN TIMES These are the 10 fields that appear on the Main Menu SERVICE SETTINGS FACTORY SETTINGS SENSOR CALIBRATION DIG IN CALIBRATION MANUAL CONTROL END STATUS The STATUS field has 7 screens that show the current status of all digital outputs analog inputs and analog outputs CURRENT STATUS Supply Fan ON OFF...

Страница 10: ...DISCHARGE LOCKOUT ALARM The difference between suction and discharge pressure is 75 psi after the compressor has run for 5 minutes COMPRESSOR A LOW PRESS DIFF ALARM Reactivation fan fault occurs when the reactivation fan VFD or contactor indicated that the reactivation fan has tripped REACTIVATION FAN FAULT ALARM Wheel fault is occurrs when DH is on and the temperature difference between the wheel...

Страница 11: ...o zero a sensor that may be off by a certain amount ENTER LEVEL 2 PASSWORD 0002 In order to access SENSOR CALIBRATION the Level 2 password must be entered CALIBRATE READINGS This is an example of what will appear in the sensor calibration screens The calibration may be either a positive or a negative value Comp A Suction Pres CALIBRATION 00 psi Actual 75 psi DIG IN CALIBRATION DIG IN CALIBRATION i...

Страница 12: ...on Extreme caution must be used when forcing digital outputs because all safety features are bypassed For example the microprocessor will not shut off the compressor due to high discharge pressure It is much safer to force the digital input which will leave safety functions operational DIGITAL OUTPUT 1 CONTROL STATE AUTO MANL OUTPUT STATE OPEN CLOSED SUPPLY FAN STATUS ANALOG OUTPUTS Analog output ...

Страница 13: ...pressor A NO2 3 Compressor B NO3 4 Desiccant wheel NO4 5 Reactivation fan NO5 6 7 8 9 Alarm NO9 10 Liquid Line NO10 11 12 Condenser fan NO12 13 VFD Reset NO13 Analog Outputs 1 Reactivation fan Y1 2 3 Condenser fan Y3 4 USER SETTINGS Setpoint Function SPACE SET POINTS Temperature 75 0F Reference setpoint for operation of OUTSIDE TEMPERATURE OVERRIDEs Humidity 45 00 Reference setpoint for operation ...

Страница 14: ...e stage 1 heat will energize Override Set 060F Setpoint for optional modulated afterheat leaving air temperature when operaiing in this override mode OR Off Diff 03F Deadband value to de energize outside temperature heating override SUPPLY HEAT OVERRIDES Heat 2 Diff 100F When outside temp is SPACE SET POINT temp this value stage 1 heat will energize Override Set 070F Setpoint for optional modulate...

Страница 15: ...ABLED SENSOR FAILURE ALARM Out Temp ENABLED Out Humid ENABLED SENSOR FAILURE ALARM Heat Temp ENABLED Leav Temp ENABLED Post C Temp ENABLED PRESSURE OVERRIDE Fans run at 100 Setpoint 320 psi Run Time 060 sec SUPERVISOR SETUP Ident 00001 Must be set for either a cell phone modem or a BMS communicating system Call factory for number Baudrate 19200 19200 for a cell phone modem As required for a BMS co...

Страница 16: ... the supply fan Comp A 03min 05min Sets minimum on and off times for compressor A MINIMUM ON OFF TIMES Wheel 02min 01min Sets minimum on and off times for the desiccant wheel Comp B 03min 05min Sets minimum on and off times for compressor B MINIMUM ON OFF TIMES Con Fan 60sec 00sec Sets minimum on and off times for the condenser fan Rea Fan 20sec 00sec Sets minimum on and off times for the reactiva...

Страница 17: ... suction press drops to this value Delay 330 s Delay for the above function COMP B CYCLE OFF LOW TEMPERATURE Setpoint 034 0 F Cycles the compressor off when the coil LAT drops to this value Delay 180 s Delay for the above function COMP B CYCLE OFF LOW PRESSURE Setpoint 110 psi Cycles the compressor off when the suction press drops to this value Delay 180 s Delay for the above function COMP B CYCLE...

Страница 18: ...f time reset the VFD and restart the unit Retriew Til Fail 04 The pCO2 will retry this many times before locking out MISC SETTINGS Manl Mode Del 005 min Any manual modes will be reset after this delay Relay 10 Liquid Line Coil Bypass Liquid Line Set Liquid Line on units without coil bypass damper Dampers Del 010 min Delay for bypass dampers to open units with bypass dampers only MISC SETTINGS Fan ...

Страница 19: ... CONTROL The reactivation fan is controlled by 2 VFD variable frequency drive and the condenser fans are controlled in tandem by 3 VFD Each VFD receives a 0 10 volt DC analog signal from the microprocessor to control the speed of the fan to maintain a constant discharge pressure of 444 psig during dehumidification mode and 340 psig during cooling only mode 2 VFD reactivation fan will modulate from...

Страница 20: ...ever the controller is calling for FAN to be on Turn on power to the unit and allow it to operate normally for about 30 minutes This will allow time for the temperatures inside the unit to stabilize You should run this test at a time of day when the HCU needs to run dehumidification Using a simple probe thermometer check the temperatures leaving LAT the cooling coil desiccant wheel and condenser c...

Страница 21: ...ndard high pressure seal has an outer layer of black Rulon with a red supporting material The seals should provide many years of service under normal conditions 2 Shut the machine off and open doors and or access panels to gain access to the desiccant wheel 3 Check the clearance between each seal and the face of the wheel Slide a business card or a feeler gauge of 0 030 between the face of the whe...

Страница 22: ...ide to side A motor with stiff or gritty bearings must be replaced The motor should be greased every other year using a lithium based grease such as Shell Alvania R3 or equivalent as follows With the unit shut off wipe off the grease fitting and apply a small amount of grease Close the door and run the unit for a few minutes Shut the unit off again and allow the fan to stop Apply a small additiona...

Страница 23: ...unit is ready to run 5 10 CHECKING THE DRIP TRAY AND DRAIN The evaporator coil can cause quite a bit of water to condense out of the incoming air Normally this water is collected in a drip tray under the evaporator coil The water is then drained away through a P trap and drain line There should be no more than a minimal amount of water under the evaporator coil If a lot of water has collected here...

Страница 24: ...e pulley Make sure the belt is still centered on the cogs on the desiccant wheel the drive pulley and the idler roller 5 12 INSPECTING THE HONEYCOMBE WHEEL The HoneyCombe wheel contains a lightweight framework that supports the desiccant chemical This framework is manufactured in a shape that looks like the honeycomb in a beehive The honeycomb pattern includes many small air passages or flutes whi...

Страница 25: ...s warrants all equipment manufactured by it to be free from defects in workmanship and materials for a period of one year commencing thirty 30 days from date of shipment of equipment by Munters This warranty applies only to equipment that is properly installed maintained and operated under normal conditions with competent supervision in accordance with the equipment instruction manual and Company ...

Страница 26: ...wear and tear or damage caused by improper use The warranty is also voided if the purchaser modifies the desiccant wheel or original equipment in any way mêçê íÉÇ pÅÜÉÇìäÉ vÉ ê mÉêÅÉåí êÉÇáí N NMMB O UMB P SMB Q QMB R OMB STEAM REACTIVATED SYSTEMS Munters will only repair or replace leaking steam coils under warranty when accompanied by a water quality report from an independent qualified laborato...

Страница 27: ...ibility and will be sent freight collect Munters assumes no responsibility for any incidental or consequential damage to structures including but not limited to any ductwork roofing materials outbuildings or piping or any other equipment caused by any defective equipment or part or the removal or replacement thereof and Buyer specifically waives any right OR LIABILITY FOR SPECIAL INDIRECT OR CONSE...

Страница 28: ...tivate dry out the desiccant wheel Supply air is pulled from outdoors into the HCU unit This air is first drawn through the DX cooling coil The cooling coil cools and removes moisture from the air through condensation The air is then drawn through the desiccant wheel The desiccant picks up additional moisture in the air At this point the moisture has been taken out of the air from outdoors and sto...

Страница 29: ...the HCU 6 2 Troubleshooting The HCU has a sophisticated control system that uses a microprocessor to control the internal functions of the unit along with variable frequency drives VFDs on some or all fans When the microprocessor or a VFD detects a problem it will go into an alarm mode The first step in troubleshooting a unit is to look for an alarm code on the microprocessor and each VFD If a VFD...

Страница 30: ...epeat this until all values are as shown in the appendix 4 Press arrow keys or until n001 is displayed Press ENTER key Press DOWN arrow to set value to zero 0 Press ENTER key Programming is now complete Press MODE key until FREF indicator is lit Turn everything OFF You are ready for normal operation 5 Press MODE key until the green FREF indicator LED is lit The unit is ready to run Condenser and R...

Страница 31: ...29 Appendix ...

Страница 32: ... is on See 6 2 for alarm descriptions Carel is not receiving any analog sensor inputs There may be a problem with the wiring causing a short circuit on the 21Vdc line terminal J2 VDC When this occurs a built in circuit breaker trips and causes a red LED to light up between J3 and J4 the yellow LED is normal Cycle power on the controller to reset the breaker Cell phone modem will not communicate Ce...

Страница 33: ...31 Appendix B Wiring Diagrams ...

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Страница 73: ... 30 57 160 13 230 58 0 14 1 5 59 0 15 24 60 160 16 5 61 0 1 17 100 62 0 18 10 63 1 19 10 64 20 0 65 21 30 66 0 22 30 67 2 23 30 68 0 24 30 69 0 25 30 70 0 26 30 71 2 27 30 72 2 28 30 73 10 29 30 74 0 30 100 75 0 31 50 76 rdy 32 FLA 77 0 33 1 78 34 24 79 35 0 80 36 2 81 37 7 82 38 5 83 39 6 84 40 0 85 41 100 86 42 0 87 43 0 1 88 44 0 89 45 1 90 460 3 60 460 3 60 ...

Страница 74: ...30 57 160 13 230 58 0 14 1 5 59 0 15 24 60 160 16 5 61 0 1 17 30 62 0 18 10 63 1 19 10 64 20 0 65 21 12 66 0 22 12 67 2 23 12 68 0 24 12 69 0 25 12 70 0 26 12 71 2 27 12 72 2 28 12 73 10 29 12 74 0 30 100 75 0 31 20 76 rdy 32 FLA 77 0 33 0 78 34 8 79 35 0 80 36 2 81 37 7 82 38 5 83 39 6 84 40 0 85 41 100 86 42 0 87 43 0 1 88 44 0 89 45 1 90 460 3 60 460 3 60 ...

Страница 75: ...45 USER S MANUAL SYSDRIVE 3G3JVSERIES ...

Страница 76: ...46 Chapter7 Maintenance Operations 7 1 Protective and Diagnostic Functions 7 2 Troubleshooting 7 3 Maintenance and Inspection ...

Страница 77: ...ator Turn the main circuit power supply off and then on again Fault Displays and Processing Fault display Fault name and meaning Probable cause and remedy oC Overcurrent OC The Inverter output current is as high as or higher than 200 of the rated output current A short circuit or ground fault has occurred and at the Inverter output Check and correct the motor power cable The V f setting is incorre...

Страница 78: ...s occurred Use the momentary power interruption compensation Set n47 so that the Inverter restarts after power is restored Improve the power supply The internal circuitry of the Inverter is damaged Change the Inverter oH Radiation fin overheated OH The temperature of the radiation fins of the Inverter has reached 110 C 10 C The ambient temperature is too high Ventilate the Inverter or install a co...

Страница 79: ...verter overload OL2 The electronic thermal relay has actuated the Inverter overload protective function The load is excessive Reduce the load The V f setting is incorrect Reduce the V f set voltage The acceleration deceleration time is too short Increase the acceleration deceleration time The Inverter capacity is insufficient Use an Inverter model with a higher capacity oL3 Overtorque detection OL...

Страница 80: ...verter has a fault Initialize the Inverter with n01 set to 8 or 9 and turn the Inverter off and on Replace the Inverter if the same fault occurs again FO5 Analog to digital converter fault F05 An analog to digital converter fault has been detected The internal circuitry of the Inverter has a fault Turn the Inverter off and on Replace the Inverter if the same fault occurs again FG1 Digital Operator...

Страница 81: ...high Decrease the voltage so it will be within specifications oH flashing Radiation fin overheated OH The temperature of the radiation fins of the Inverter has reached 110 C 10 C The ambient temperature is too high Ventilate the Inverter or install a cooling unit oL3 flashing Overtorque detection OL3 There has been a current or torque the same as or greater than the setting in n60 for overtorque d...

Страница 82: ...ter setting was incorrect Turn off the forward or reverse command once check that the n06 parameter setting for STOP RESET Key function selection and restart the Inverter STP flashing The emergency stop alarm signal is input as multi function input A multi function input 1 2 3 or 4 set to 20 or 22 has been used Note The Inverter stops according to the method set in n04 An emergency stop alarm is i...

Страница 83: ...er must have failed Replace the Inverter 7 2 2 Motor Fails to Operate The motor does not operate with input through the control circuit terminals even though the frequency reference is correct The operation method setting is incorrect If parameter n02 for operation mode selection is not set to 1 to enable the control circuit terminals the RUN command cannot be executed through the control circuit ...

Страница 84: ...input of frequency references is ignored with the Digital Operator selected The digital input of frequency references is ignored unless the Digital Operator is selected Check that the setting in n03 for frequency reference selection coincides with the actual method of giving frequency instructions Before using analog input refer to 2 2 2 Terminal Block and check that the setting of SW8 and the act...

Страница 85: ...evention level during acceleration is too slow the acceleration time will be too long Check to be sure that the set value is suitable 7 2 5 Motor Deceleration is Slow The deceleration time setting is too long Check the deceleration time settings in n17 and n19 Stall Prevention during Deceleration The Inverter incorporates a stall prevention function that will automatically prolong the period of de...

Страница 86: ...verter switching Take the following actions to prevent noise Lower the carrier frequency of the Inverter in n46 The number of internal switching times is reduced so noise can be reduced to some extent Install an Input Noise Filter Install an Input Noise Filter on the power input area of the Inverter Install an Output Noise Filter Install an Output Noise Filter on the output area of the Inverter Us...

Страница 87: ...em to cause vibration or hunting In that case increase the time constant in n67 for slip compensation The larger this time constant is however the slower the response speed of the slip compensation function will be Motor vibrates excessively and does not rotate normally Motor Phase Interruption If one or two of the three phases of the motor are open the motor will vibrate excessively and will not ...

Страница 88: ...ke sure that the parameters in n09 and n30 are correct 7 2 13 Inverter Does Not Run Because EF Simultaneous Input of Forward and Reverse Commands is Detected or Motor Rotates Momentarily While Control Device Power is OFF Sequence Error An EF will be detected if a forward command and a reverse command are input simultaneously for 0 5 seconds or longer Correct the sequence Malfunction Due to Unwante...

Страница 89: ... re place fans while power is being supplied Doing so may result in injury damage to the product or malfunction Daily Inspection Check the following items with the system in operation The motor should not be vibrating or making unusual noises There should be no abnormal heat generation The output current value shown on the monitor display should not be higher than normal The cooling fan on the bot...

Страница 90: ...e installation environment and usage conditions of the Inverter The maintenance periods of the Inverter are described below Keep them as reference Maintenance Periods Reference Cooling fan 2 to 3 years Electrolytic capacitor 5 years Fuse 10 years The usage conditions are as follows Ambient temperature 40 C Load factor 80 Operation 8 hours per day Installation According to instructions in manual It...

Страница 91: ...d on the lower part of the radiation fin in the arrow 1 directions Then lift the bottom of the Fan in the arrow 2 direction to remove the Fan as shown in the following illustration 2 Hold the fan wire and pull the protective tube of the cover in the arrow 3 direction Radiation fin Heat sink Protective tube There is a connector inside Wind Direction ...

Страница 92: ...located on the lower part of the radiation fin in the arrow 1 directions Then lift the bottom of the fan in the arrow 2 direction to remove the fan as shown in the following illustration 2 Disconnect the wire from the electrical inlet on the bottom of the plastic casing 3 Remove the Fan from the fan cover 4 Mount the new Fan on the fan cover At this time make sure that the wind direction of the fa...

Страница 93: ...63 3G3JV Maintenance Operations Chapter 9 Chapter 9 List of Parameters ...

Страница 94: ...select the input method for the RUN and STOP commands in remote mode 0 The STOP RESET Key on the digital Operator is enabled 1 Multi function inputs through the control circuit terminals in 2 or 3 wire se quence Note The RUN command only through key sequences on the Digital Operator is acceptable in local mode 0 1 1 1 No 5 7 n03 Frequency ref erence selec tion Used to set the input method for the ...

Страница 95: ...e Enter Key pressed 1 The value is enabled when the value is 0 1 1 0 No 5 12 input n09 Maximum fre Used to set the V f pattern as the basic 50 0 to 0 1 Hz 60 0 No 5 4 quency FMAX characteristic of the Inverter with output 400 see voltage per frequency set note n10 Maximum volt O u t p u t 1 to 1 V 230 No 5 4 age VMAX v o l t a g e n10 VMAX 255 see see note note 2 n13 WC 2 n11 Maximum volt 0 2 to 0...

Страница 96: ...on char acteristic time 1 0 s Note When the S shape acceleration de celeration characteristic time is set the acceleration and deceleration times will be lengthened according to the S shape at the beginning and end of acceleration deceleration 0 to 3 1 0 No 5 15 n21 Frequency ref erence 1 Used to set internal frequency references Note Frequency reference 1 is enabled in 0 0 to max 0 1 Hz see 6 0 Y...

Страница 97: ...or current for mo tor overload detection OL1 based on the rated motor current Note Motor overload detection OL1 is disabled by setting the parameter to 0 0 Note The rated motor current is default to the standard rated current of the maximum applicable motor 0 0 to 120 of rated output cur rent of the In verter 0 1 A Varies with the ca pacity No 5 2 n33 Motor protec tion characteris tics Used to set...

Страница 98: ... margin In other words set the value slightly shorter than the thermal time constant Note To detect motor overloading quicker reduce the set value provided that it does not cause any application problems 1 to 60 1 min 8 No 6 14 n35 Cooling fan op eration function Used to operate the Cooling Fan of the In verter while the Inverter is turned on or only while the Inverter is in operation 0 Rotates on...

Страница 99: ...a n39 Multi func tion command OFF For 2 to 8 1 6 No 5 18 tion input 4 ward ON Reverse 10 to Input termi 2 Reverse Reverse rotation command 22 34 nal S5 Stop in 2 wire sequence Re versed with the terminal turned ON 3 External fault ON External fault FP NO detection is a terminal number 4 External fault OFF External fault EF NC detection is a terminal number 5 Fault reset ON Fault reset disabled whi...

Страница 100: ...N Acceleration Decelera Decelera tion prohibit command tion is on hold running at parameter frequency 17 Local or re ON Local mode operated mote selec tion with the Digital Operator 19 Emergency The Inverter stops accord stop fault NO ing to the setting in n04 for interruption mode selection with the emergency stop in 20 Emergency put turned ON stop alarm NO NO Emergency stop with the contact clos...

Страница 101: ...ut frequency detection 2 frequency detection level n58 6 Overtorque Output if any of the follow being moni tored NO contact out put ing parameter conditions is satisfied n59 Overtorque detection function selection n60 Overtorque detection level 7 Overture be ing moni tored NC contact out put n61 Overtorque detection time NO contact ON with overtorque being detected NC contact OFF with overtorque b...

Страница 102: ... output characteristics of analog 0 00 to 0 01 1 00 Yes 5 23 monitor out monitor output 2 00 put gain n46 Carrier fre Used to set the carrier frequency 1 to 4 1 Varies No 6 2 quency Note The default setting does not need any 7 to 9 with selection the ca changes in normal operation Note Refer to 6 1 Setting the Carrier Frequen cy for details pacity n47 Momentary Used to specify the processing that ...

Страница 103: ...on the rated current of the Inverter as 100 200 n57 Stall prevention Used to select a function to reduce the out 30 to 1 160 No 6 8 level during op eration put frequency of the Inverter automatically for stall prevention during operation Set the level in percentage based on the rated current of the Inverter as 100 200 n58 Frequency detec Used to set the frequency to be detected 0 0 to 0 1 Hz 0 0 N...

Страница 104: ...Slip compensa tion gain Used to set the gain of the slip compensa tion function Note The slip compensation function is disabled with n66 set to 0 0 0 0 to 2 5 0 1 0 0 Yes 6 12 n67 Slip compensa tion time constant Used for the response speed of the slip compensation function Note The default setting does not need any changes in normal operation 0 0 to 25 5 0 1 s 2 0 No 6 12 n68 OMRON s control refe...

Страница 105: ...ote This parameter is monitored only 6 21 n79 Software number Used to display the software number of the Inverter for OMRON s control reference use Note This parameter is monitored only Note 1 Values will be set in 0 1 Hz increments if the frequency is less than 100 Hz and 1 Hz increments if the frequency is 100 Hz or over Note 2 With 460 V Inverters the values for the upper limit of setting range...

Страница 106: ...amper closes directing outside air through the DX cooling coil Supply fan runs at higher speed to overcome additional static Compressor A runs and head pressure is maintained at 340 psig for economical operation Cooling stage 2 Compressor A continues to run and head pressure is maintained at 340 psig Compressor B runs to provide additional cooling Dehumidification A call for DH energizes the DX co...

Страница 107: ...ity Priority When the unit is in Humidity Priority DH stage s will run with a call for DH regardless of the presence of a call for cooling When in Temperature Priority if DH is on and cooling is called for the desiccant wheel will shut off and the compressor s only will run to provide cooler supply air until the cooling input is removed Heat stage 1 The first stage of afterheat is energized provid...

Страница 108: ... REFRIGERANT TYPE 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE NATURAL GAS CAPACITY IN OUT 400 000 320 000 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM ...

Страница 109: ...T TYPE 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE PROPANE CAPACITY IN OUT 400 000 320 000 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM VOLTAGE V P H 4...

Страница 110: ... TYPE 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE NATURAL GAS CAPACITY IN OUT 800 000 640 000 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM VOLTAGE V P ...

Страница 111: ... TYPE 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE PROPANE CAPACITY IN OUT 800 000 640 000 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM VOLTAGE V P H 46...

Страница 112: ...YPE 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE ELECTRIC CAPACITY KW 94 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM VOLTAGE V P H 460 3 60 CONTROL CIR...

Страница 113: ...E 410A TOTAL CAPACITY 30 TONS NOMINAL COIL CIRCUITS 1 ROWS FPI 6 12 FACE AREA SQ FT 15 9 CONDITIONED AIR SCFM 5 000 COIL P WG 0 5 CONDENSER COMPRESSORS HP 2 15 STAGES OF CAPACITY 2 COIL FACE AREA 43 6 ROWS FPI 3 13 CONDENSER FAN HP 2 1 5 CONDENSER FAN RPM 1140 AUXILIARY HEAT TYPE ELECTRIC CAPACITY KW 188 STAGES OF HEAT 2 FILTERS TYPE 30 PLEATED ELECTRICAL SYSTEM VOLTAGE V P H 460 3 60 CONTROL CIRC...

Страница 114: ...84 Appendix F Gas Afterheat ...

Страница 115: ...during transit INSTALLATION Venting This is a horizontally vented appliance for outdoor installation only The installation of this appliance must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 The flue vent part number 28601400 or 28601500 is factory installed No additional venting is required The flue outlet should not be connected t...

Страница 116: ...her this appliance is a two stage heater high low fire or a single stage high fire only IT IS IMPORTANT TO HAVE A GOOD GROUND ON THIS APPLIANCE IN ORDER FOR THE FLAME SENSOR TO WORK PROPERLY Operation Instruction Start up Shut down procedures Refer to figure 1 on page 87 for parts location and to page 88 for parts list Operating Instructions 1 Set the thermostat to the lowest setting 2 Turn off al...

Страница 117: ...the HSI the gas valve is opened 8 The gas valve and HSI remains on for 4 seconds 9 If flame is proven by the sensor the gas valve remains open if flame is not proven by the sensor the cycle starts at step 5 10 After three trials for ignition the ignition module goes into lock out 11 Power must be disconnected from the appliance in order to reset the ignition module MAINTENANCE Periodically clean T...

Страница 118: ...anifold gas pressure HSI not in correct position Burners or burner orifices closest to HSI are blocked with debris dirt etc Voltage to appliance is in excess of 127 volts and exhaust blower is pulling too much air Only a few burners light Carry over ports burners or burner orifices are blocked with debris dirt etc Voltage to appliance is in excess of 127 volts and exhaust blower is pulling too muc...

Страница 119: ...89 Figure 1 Parts Location Wiring Diagram Pictorial ...

Страница 120: ...08 01 225 F temperature switch M1 102 01 120V 24V transformer Includes pilot plug Includes wires cut to length and with quick connects FOB Burner Technology Unlimited PART QUAN PER UNIT PART Exhaust BIower 1 M1 100 01 Ignition Module 1 M1 101 01 Transformer 1 M1 102 01 Pressure Switch M1 103 01 24 Volt Relay 1 M1 104 01 Hot Surface Igniter 1 M1 105 01 Flame Sensor 1 M1 106 01 Roll Out Switch 2 M1 ...

Страница 121: ...1 M1 203 01 Orifices Natural 15 M1 204 01 Orifices Propane 15 M1 205 01 Heat Exchanger Tubes 15 M1 206 01 3 4 NPT Elbow 1 M1 207 01 3 4 NPT Nipple 1 M1 208 01 3 4 Stainless Steel Coupling 1 M1 209 01 PART QUAN PER UNIT PART 8 x 1 2 Self Drill 44 M1 302 01 10 x 5 8 Self Drill 79 M1 301 01 8 x 1 1 4 Self Drill 4 M1 303 01 8 x 1 Self Drill 3 M1 310 01 1 4 20 x 1 Bolt 2 M1 309 01 1 4 20 Hex Nut 2 M1 3...

Страница 122: ...92 Munters Corporation Commercial Dehumidification 16900 Jordan Road Selma Texas 78154 800 229 8557 www munters us OM 0009 06 6 05 ...

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