mCq pCO - Standard + Heat Pump - McQuay

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Conditioning: pCO Standard chiller + heat pump User Guide ver. 2.9 02/11/99ENTERpositionenterWhen the cursor is on the selection masks, pressENTER once to move the cursor to the first introductionfield.Press ENTER again to confirm the set value and tomove the cursor to the next field. When the cursorreaches the last field, it will return to the HOMEagain.MENUmenuGoes to the MAIN maskINFO?infoGoes to the M_VERSION maskMAINTGoes to the M_VIS_TIMER maskPRINTERGoes to the M_PRINT mask (models with printer only)I/OI/OGoes to the M_SYNOPTIC1 maskTIMEGoes to the REG_CLOCK_US maskSETsetGoes to the M_VIS_SETPOINT maskPROGprogYou have to introduce the correct password to accessthe M_PASS_USER mask.MENU+PROGmenu+progPress and release the MENU and PROG buttonsSIMULTANEOUSLY.Then, introduce the password to access theM_PASS_MANUFAC mask.Led IndicatorsThe keypad buttons and the green led indicators are placed side by side.Any time you press a button, the corresponding green led will light up thus making it easier forthe you to identify which mask section you are using.Pag.6/61
Conditioning: pCO Standard chiller + heat pump User Guide ver. 2.9 02/11/99When pressing the MENU+PROG buttons to access the configuration parameters, it is the ledindicator corresponding to the PROG button that will light up.There are other three led indicators under the following rubber buttons:1. ON / OFF button green led indicator -Indicates that the unit is ON.2. ALARM button red led indicator -Indicates an alarm condition.3. ENTER button yellow led indicator -Indicates correct power supply.When the unit is forced into the manual operation mode (in this case the unit turns off), the ledcorresponding to the ON/OFF button will flash.It will stop blinking as soon as the Operator disenables all devices by means of the manualprocedure.In the event of off-normal condition the led relative to the ALARM button will flash and thebuzzer will sound.Press the ALARM key once to display the type of alarm occurred and disactivate both led andbuzzer.By pressing the ALARM key a second time you will cancel the stored alarm but if the cause thatgenerated the alarm still persists, the same alarm message will appear again.All alarms must be manually reset (by pressing the ALARM key) before reactivating the relativedevices.If you do not perform any operation within 5 minutes, the unit will return to the Main mask(accessible by the MENU button) where you can display the values measured by thetemperature probe at evaporator inlet.Back part of the cardThe terminal card includes:# the microprocessor# the outputs for connections to pCO and serial printerpCOCONTROLCONNECTORPRINTERCONNECTORMICROPROCESSORPag.7/61
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mCq pCO - Standard + Heat Pump - McQuay

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