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2100-444-003A

Page 21

4.0 OPERATION

This section describes the sequence of operation of the controller. The tools available for

monitoring and controlling the air-conditioners for both on-site and remote operations are explained. The
remote trending, alarming, and site setup software are detailed.

4.1 General

This section will describe the sequence of operation of the controller. Cooling , heating,

dehumidification, and alarm sequences are explained.

4.2

Sequence of Operation

This sequence of operation is for the TCS22-002 software package. Different software packages

have different sequences of operation. Check the last three numbers of the TCS22 model number on the
serial plate to verify that the sequence installed is "002"

4.2.1 COOLING SEQUENCE WITH ECONOMIZERS

Free cooling setpoint, that is, the outdoor conditions at which cooling is handled by the

economizer, can be configured to use either enthalpy or dry bulb temperature.

Outdoor Enthalpy or Temperature is calculated from Outdoor Temperature and/or Outdoor

Humidity sensors. If the outdoor enthalpy or temperature is below the free cooling setpoint, free cooling
is enabled and Output #15, Free Cooling is lit.

Active Cooling Setpoint is compared to Space Temperature . If Space temperature is above

Active Cooling Setpoint, stage 1 cooling is enabled. If Free Cooling is enabled, Economizer and Blower
of the Unit are energized. If Free Cooling is inhibited, Compressor and Blower of the Unit are
energized.

If the Space Temperature is above Active Cooling Setpoint plus 2 deg F

o

, stage 2 cooling is

enabled. If Free Cooling is enabled, Compressor and Blower of the Unit are energized.

4.2.2 HEATING

SEQUENCE

Active Heating Setpoint is compared to Space Temperature. If Space temperature is below

Active Heating Setpoint , Stage 1 heating is enabled. Heater and Blower of the Unit are energized.

4.2.3 FAN

SEQUENCE

The Evaporator Fan is programmed for continuous operation. Operator can change continuous

operation to cycle on demand. Lag unit fan will cycle on demand.

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Содержание TCS22 Series

Страница 1: ...OPERATIONS MANUAL TELCOM CLIMATEWATCH SYSTEM MODEL TCS22 003 Manual 2100 444 003A Supersedes 2100 444 003 File Vol III Tab 19...

Страница 2: ...em Points to be Controlled 3 1 5 5 Wallmount Points to be Controlled 3 1 5 6 Alarm Points 3 1 6 Model Nomenclature 5 2 0 SPECIFICATIONS 5 2 1 Electrical Specifications 5 2 2 Mechanical Specifications...

Страница 3: ...ied Unoccupied Mode Sequence 22 4 2 5 Alarm Sequence 22 4 2 6 Dehumidification sequence 24 4 2 7 Thermal Shock Protection Sequence 24 4 2 8 Modem Sequence 24 4 2 9 Power Management Sequence 24 4 2 10...

Страница 4: ...ng Setpoint 36 5 3 4 2 Unoccupied Cooling Setpoint 36 5 3 4 3 Occupied Heating Setpoint 37 5 3 4 4 Unoccupied Heating Setpoint 37 5 3 4 5 High Temperature Alarm Setpoint 37 5 3 4 6 Low Temperature Ala...

Страница 5: ...d ClimateWatch Software 49 6 3 1 Screen Overview 49 6 3 2 TCS communications 51 6 4 TCS Controller Information Screens 59 6 4 1 Main Screen Tab 60 6 4 2 Set Point Tab 62 6 4 3 Override 1 Tab 66 6 4 4...

Страница 6: ...rol Location 9 Figure 3 Mounting Template 10 Table 1 Low Voltage Wire Size 12 Figure 4 External Wiring 15 Figure 5 Internal Wiring 16 Figure 6 Power Backup System 16 Table 2 Enthalpy Lookup Table 39 T...

Страница 7: ...d in the shelter This provides for ventilation of the structure in case of utility power failure alarming of the power failure condition and acts as an uninterruptible power supply for the TCS22 See F...

Страница 8: ...rol system used in conjunction with one 1 Bard Wall Mount air conditioners The system consists of a state of the art direct digital controller the TSC22 one 1 Bard Wall Mount air conditioners and a sp...

Страница 9: ...Economizer Unit 1 Compressor Unit 1 Heating Unit 1 Blower Unit 2 1 5 6 ALARM POINTS High Space Temperature Low Space Temperature High Space Humidity Low Space Humidity Blower Failure Unit 1 Compressor...

Страница 10: ...ompressor Current Switch Required Standard in V Module 8 Spare 9 Fire Trouble Optional 10 Fire Alarm Optional 11 Spare 12 Door Alarm Optional 13 Main Power Sensor Optional 14 Occupied Override Switch...

Страница 11: ...0 Vdc to 10 Vdc Current Rating 5 0 mA at 10 Vdc Binary Relay Outputs 12 Type Form A Relay SPST N O Contact Rating 24 VAC 5 A Resistive 24 VAC 2 A Inductive 2 2 Mechanical Specifications Height 26 25 i...

Страница 12: ...ear Interchangeability 3 Temperature Range 40 to 130 o F 40 to 76o C Humidity Range 0 to 99 non condensing 2 4 3 COMPRESSOR CURRENT SENSOR Type Solid State DC Switch Output Form A solid state DC switc...

Страница 13: ...anical Airflow Switch Output Form C Contact Supply Voltage Self Powered Maximum Load 300 VA at 24 VAC Temperature Range 40 to 180 o F 40 to 82o C Pressure Range 0 07 to 0 12 in wc Dimensions 6 125 hig...

Страница 14: ...2100 444 003A Page 8 Figure 1 Front Cover...

Страница 15: ...2100 444 003A Page 9 Figure 2 Control Location...

Страница 16: ...2100 444 003A Page 10 Figure 3 Mounting Template 22 288 16 000 3 356 4 856 6 356 7 856 9 356 1 288 1 000 HIGHVOLTAGE WIRING MIS 866...

Страница 17: ...power connected to the controller or to either of the Bard Wall Mount air conditioners 3 2 1 HIGH VOLTAGE WIRING IMPORTANT High voltage wiring must not be run in the same conduit as low voltage contro...

Страница 18: ...the outside wall of the structure and all wiring to the sensor be made through conduit A one 1 pair shielded cable with 20 gauge copper conductors such as National Wire Cable Corporation NQP series ca...

Страница 19: ...ransfer switch when used in conjunction with an inverter to provide emergency ventilation of the shelter during power failures Consult the power failure management sequence section 4 2 10 and section...

Страница 20: ...ack accepts a standard a RJ 11 six 6 position modular phone plug 3 2 6 WIRING ETHERNET When the TCS22 is equipped with an Etherlink communications module The LAN WAN should be connected to the back of...

Страница 21: ...2100 444 003A Page 15 Figure 4 External Wiring...

Страница 22: ...2100 444 003A Page 16 Figure 5 Internal Wiring Figure 6 Power...

Страница 23: ...2100 444 003A Page 17 Backup System...

Страница 24: ...ctors TCS22 is grounded Check supply voltage Change both transformer taps if necessary See Sec 3 21 Carefully recheck all low voltage wiring for correct connection points Carefully recheck all sensor...

Страница 25: ...ltage terminals R to G and observe Blower operation The Blower will continue to run for One 1 minute after the jumper is removed Economizer Test Connect a jumper wire on A C unit low voltage terminals...

Страница 26: ...light and stay lit Unit 1 is Lead Unit Unit 2 is Lead Unit Free Cooling Power Failure LEDs will light for 5 seconds and then resume normal operation System Rx and Tx and Local Rx and Tx will all flas...

Страница 27: ...or dry bulb temperature Outdoor Enthalpy or Temperature is calculated from Outdoor Temperature and or Outdoor Humidity sensors If the outdoor enthalpy or temperature is below the free cooling setpoin...

Страница 28: ...n the Event List and Output 12 Shelter Alarm is energized This is a self clearing alarm High Space Humidity When Space Humidity is above High Humidity Alarm Setpoint a critical alarm is logged in the...

Страница 29: ...ed by Unit 1 Compressor Lockout Relay and Unit 1 Compressor Current Switch Dirty Filter Unit 1 If Unit 1 Dirty Filter Switch is closed a low priority alarm is logged in the Event List and Output 12 Sh...

Страница 30: ...thermal shock protection sequence protects equipment in the structure from being subjected to rapid changes in temperature after a power outage The thermal shock routine limits the rate of change in t...

Страница 31: ...djustable 5 0 DISPLAY KEYPAD OPERATION DAK The display and keypad DAK is used to monitor and change parameters in the controller If DAK is needed it must be ordered as part of the TCS22 It cannot be o...

Страница 32: ...st four lines of the Building Status screen will be displayed at power up The current controller date and time will be displayed on the first line of the display Alarm status is shown on the second li...

Страница 33: ...equired authority level you will be able to access the screenu to make changes See the Password section for a discussion of the authority levels 5 3 1 Buildings Status Screen Authority Level Required...

Страница 34: ...ve Cooling Setpoint will be the same as the Occupied Cooling Setpoint If the controller is in unoccupied mode the Active Cooling Setpoint will be the same as the Unoccupied Cooling Setpoint Occupancy...

Страница 35: ...tpoint then Free Cooling is ON If the temperature or enthalpy of the outside air is more than the Free Cooling Setpoint then Free Cooling is Off 5 3 1 8 ROOM OCCUPIED YES NO This display indicates the...

Страница 36: ...display item will show On if the unit 1 economizer output of the controller is energized 5 3 2 2 UNIT 1 COMPRESSOR This display item will show Off if the unit 1 compressor output of the controller is...

Страница 37: ...zation the alarm can be acknowledged Acknowledging an alarm resets the shelter alarm output so that if another alarm is registered the shelter alarm will reenergize to indicate a new alarm Acknowledgi...

Страница 38: ...aulty sensor When a Space Temperature Fault alarm is detected the Zone Temperature value defaults to 74 degrees effectively shutting down heating and cooling until the sensor is replaced An Alarm High...

Страница 39: ...lt alarm message indicates that the compressor verify circuit contacts have not closed A Trip on High or Low pressure no compressor current failed blower or faulty compressor current sensor could caus...

Страница 40: ...ng normally A Fault alarm message indicates that the Outdoor Temperature Sensor is sensing a value above 120 Fo or below 20 Fo This probably indicates a faulty sensor These are all self clearing alarm...

Страница 41: ...a set point scroll up or down until the setpoint that is to be changed is visible on the screen Press the F1 key If more then one setpoint is shown on the screen use the Up and Down keys to highlight...

Страница 42: ...noccupied cooling setpoint requires an authority level of Supervisor or higher to change Anyone may view the setpoint value The Unoccupied Cooling Setpoint Range is from 72 0 to 85 0 Fo The default va...

Страница 43: ...could occur if this requirement is not followed 5 3 4 6 LOW TEMPERATURE ALARM SETPOINT The low temperature alarm setpoint requires an authority level of Supervisor or higher to change Anyone may view...

Страница 44: ...ns that you wish to maintain in the structure Read down the relative humidity column under the percentage RH you wish to maintain Read across the inside temperature row to where it intersects the RH c...

Страница 45: ...t until they are either cleared by the operator or power is cut to the controller Use with caution Note Outputs cannot be overridden until alarms have been cleared This applies to blowers and compress...

Страница 46: ...override status If you do not have authority to override the outputs will not be highlighted A supervisor authority level is required override outputs If you have authority to override the value will...

Страница 47: ...to the unit 1 economizer and it will remain disabled until cleared Once overridden the output will remain overridden until the Clr O R action is sent to the output or power is interrupted to the cont...

Страница 48: ...s interrupted to the controller Use the Clr O R to cancel an override action and resume normal operation A supervisor authority level is needed to use this item 5 3 5 5 CONTINUOUS BLOWER This item use...

Страница 49: ...he current value of the item This value will be updated every ten 10 seconds Pressing the Up or Down key will scroll forward or backward respectively through the above list displaying the list item on...

Страница 50: ...eover setpoint 5 3 6 4 DAYLIGHT SAVINGS TIME If the area of the country where the TCS22 is located uses Daylight Savings Time daylight savings time should be enabled for accurate clock readings Factor...

Страница 51: ...nd overriding outputs Supervisor password is 3333 Engineer Engineer level is allowed to view screens one through 7 Engineer level may change any values on screens 1 through 7 This includes acknowledgi...

Страница 52: ...Up Arrow Up Arrow Left Arrow Up Arrow Up Arrow Up Arrow Up Arrow Enter If an invalid password is entered the display will flash all asterisks and the authority level will remain as Display Only If a p...

Страница 53: ...FREE COOLING NO UNIT 2 ECON OFF Unocc Htg SP ECON OUTPUT OFF ECON OUTPUT OFF FC ENTH CHANGEOVER LEAD UNIT 2 UNIT 2 COMP OFF ALARM TYP ACK A 68 00 F OVR STATUS AUTO OVR STATUS AUTO ENABLED SHELTER POWE...

Страница 54: ...ad trend information from the sites and store it in a database file to be viewed from Microsoft Access or Excell The program is used to display the alarm history for troubleshooting purposes 6 2 Insta...

Страница 55: ...ct Folders and the right side is the Controller Information Area Expert uses projects to group information about different TCS controllers Each site or building should have its own project The project...

Страница 56: ...ptions Options System Options Print Screen Projects Print Project Browser Returns Screen to Projects View Dial Out Options Dialout Net Search View Net Search Not Used Project Reports Allows Viewing of...

Страница 57: ...ports and baud rates must be configured to allow communications with the controller Settings must be set for both remote and direct communication modes if they are to be used To configure settings fo...

Страница 58: ...er either directly or remotely via a modem For direct communication a cable should be connected between the computer Com port specified in the above step and to the 9 pin RS 232 Monitor port of the TC...

Страница 59: ...ite Click OK The Connect to Project Window will appear 6 3 2 3 Direct Connection This section deals with directly connecting to the TCS controller via a computer cable For remote connection informatio...

Страница 60: ...roller type in the phone number of the site including any dialing prefixes If the phone number is to be saved in the project folder click the Save Modified Phone Number check box Clicking OK will dial...

Страница 61: ...444 003A Page 55 Once the modems have connected the window will change to the Find It screen Make sure the ASIC 2 button is checked Click the Find It button to establish communications with the contro...

Страница 62: ...7040 Device Profile window will appear If communications have been established the status bar at the bottom of the window will show ASIC 2 7040 Online If the status bar is flashing red communication h...

Страница 63: ...displayed for TCS22 models For TCS22 models refer to the serial plate inside the front cover to determine the software version that is installed The last three numbers of the model number indicate th...

Страница 64: ...hat a project has been created for a site It will appear under the projects folder section of the display Once the project is created and saved it can be accessed by double clicking on the project nam...

Страница 65: ...configuration If you want to save the changes click OK otherwise click cancel 6 3 2 7 Loading TCS Configuration To reload the device configuration to the setting stored in the device archive click on...

Страница 66: ...r conditions This is used to determine if the Economizer can be opened to take advantage of a Free Cooling condition When a Technician enters the structure he she may decide to press the Occupancy Ove...

Страница 67: ...nit is in the Cooling Mode and Warmer the Zone Temperature when the unit is in the Heating Mode The Lead Lag status indicates if the unit is the Lead or the Lag unit The Lead unit is the Primary condi...

Страница 68: ...nt to a lower temperature if the structure is occupied The Occupied Cooling Setpoint will be the active setpoint if the occupancy override timer has been triggered and if the zone temperature is above...

Страница 69: ...row will increase the Occupied Heating Setpoint by 0 50 degrees Fahrenheit until the maximum allowed setpoint of 70 0 degrees is reached Clicking on the left arrow will decrease the Occupied Heating S...

Страница 70: ...the Left arrow will decrease the High Humidity Alarm Setpoint by 1 percent relative humidity until the minimum allowed setpoint of 55 RH is reached 6 4 2 8 Low Humidity Alarm SetPoint The Low Humidit...

Страница 71: ...f Supervisor or higher to change Anyone may view the setpoint value The Dehumidification Setpoint Range is from 50 to 70 RH The default value is 50 RH 6 4 2 12 Continuous Blower Enable The Continuous...

Страница 72: ...r is in Dehumidification mode the Active Heating Setpoint will be 70o the same as the fixed Dehumidification Heating Setpoint 6 4 2 15 Active Dehumidification Setpoint The Active Dehumidification Setp...

Страница 73: ...mode This means that when operation is called for by the controller the operation has been suspended manually in the Off mode and cannot operate The third mode is the Override On mode When this mode...

Страница 74: ...F To clear an override click the Output Verify Action button Select Clear RAM Override Flag Resume Application and click OK 6 4 3 2 Unit 1 Blower The override status box displays the current override...

Страница 75: ...Output status will display OFF To clear an override click the Output Verify Action button Select Clear RAM Override Flag 6 4 3 4 Unit 1 Heater The override status box displays the current override con...

Страница 76: ...the alarm on and it will not be able to be cleared or acknowledged until the alarm is re enabled All alarms can be acknowledged Acknowledging an alarm resets the shelter alarm output to normally open...

Страница 77: ...he alarm can be cleared from the Unit 1 Override tab See Section 5 3 2 1 Clearing the Alarm before the Compressor can be fixed will cause the Compressor to fail again and another Shelter Alarm to be s...

Страница 78: ...e the High Alarm setpoint for that value The third possible state would be the Low Alarm condition stating that the value is below the Low Alarm setpoint The last alarm state is fault alarm indicating...

Страница 79: ...tem has been reset the Alarm will be removed 6 4 4 10 Fire Trouble Alarm If a Fire Trouble Alarm occurs the Shelter Alarm indicator on the Main Screen will flash The Fire Trouble Alarm can be acknowle...

Страница 80: ...into the Alarm Log screen for viewing and analysis Once the data has been gathered the user may print the file by clicking the print screen button or save the file by right clicking anywhere on the a...

Страница 81: ...Offset The Zone Temperature will add the value seen in the textbox from the Zone Temperature to calibrate the sensor 6 4 6 2 Zone Humidity Offset The Zone Humidity Offset will add the value seen in th...

Страница 82: ...Unit 1 Supply Air Temperature to calibrate the sensor 6 4 7 MISC TAB The misc tab displays several options that are available in the TCS firmware and other information about the controller hardware Th...

Страница 83: ...ooling as long as the outdoor enthalpy is below the Enthalpy changeover setpoint When dry bulb temperature scheme is used the economizers will be used as 1st and 2nd stage cooling as long as the outdo...

Страница 84: ...models ending in D053 D061 D062 D064 or D066 Enable this feature if dehumidification is required Consult your Bard representative for more information 6 4 7 8 Model Number Click on the text box and e...

Страница 85: ...and Economizer Run Time The controller will store all of these values once per hour and will hold up to 128 hours of data Once the data register has been filled the new data will overwrite the oldest...

Страница 86: ...2100 444 003A Page 80 6 4 9 DIAL OUT TAB...

Страница 87: ...Primary number is the first phone number that will be dialed for Alarm notification This number can be up to 25 characters long The number may contain hyphens or commas but they are not necessary for...

Страница 88: ...ab is just a group of 8 message boxes that can be used to make notes about the controller or leave messages concerning the controller for the next technician Clicking on one of the message boxes allow...

Страница 89: ...ight is On but Blower fails to operate Check A C unit 24 Volt power from C to G Check controller switch Remove junction connector J5 Check for continuity from pin 3 to pin 6 on controller with the Blo...

Страница 90: ...t Check the AC voltage supply to the Sensor output board inside the door of the TCS22 The voltage should be 24 Volts AC Check Sensor Output Check the DC output voltage from the sensor output board ins...

Страница 91: ...ty between terminals 6 and 7 of the A C unit voltage terminal block Compressor Current Sensor 1 or 2 Check Sensor Output Remove plug in connectors J1 J2 and J4 from the TCS22 controller Connect a jump...

Страница 92: ...re between R and G of the A C unit low voltage terminal block to operate the blower Check continuity between terminal 8 and 9 of the A C unit low voltage terminal block This should be a Closed circuit...

Страница 93: ...DC vs RH Humidity Output RH Volts DC 5 00 0 25 10 00 0 50 15 00 0 75 20 00 1 00 25 00 1 25 30 00 1 50 35 00 1 75 40 00 2 00 45 00 2 25 50 00 2 50 55 00 2 75 60 00 3 00 65 00 3 25 70 00 3 50 75 00 3 7...

Страница 94: ...61020 21 868 10 00 14 00 47630 16 589 5 00 23 00 37400 12 694 0 00 32 00 29560 9 795 5 00 41 00 23500 7 619 10 00 50 00 18790 5 971 15 00 59 00 15150 4 714 20 00 68 00 12290 3 748 25 00 77 00 10020 3...

Страница 95: ...tinue to run for One 1 minute after the jumper is removed Economizer Test Connect a jumper wire on A C unit low voltage terminals R to G and observe Blower operation After Blower operation is confirme...

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