mCq pCO - Standard + Heat Pump - McQuay

Conditioning: pCO Standard chiller + heat pump User Guide ver. 2.9 02/11/99The electronic card, that includes the support for led indicators and buttons, has been housedinside a standard plastic case together with the display.Panel and wall mounting cases available.As you can see on pag. 4, pCO's housing comes complete with a front panel lid that opens witha max. span of 150 °C.When the lid is closed, only the five backlit silicone rubber keys will be directly accessed.pCO comes complete with a small 15-button keypad. Keypad and display represent the UserInterface.menu I/O set prog?infoon-off alarm enterThe main parameters or parameters loops are directly accessed by keypad by acting on thefollowing keys:ON / OFFon-offOperates and stops the controlled devices.ALARMalarmGoes to the first active alarm mask and silences thebuzzer. If pressed a second time on the active alarmmask, it resets the alarm and returns to the first maskagain.If you press this button and there are no active alarms,the message 'NO ACTIVE ALARM' will appear on thedisplay.All alarm masks can be scrolled by pressing the UPand DOWN buttons.UP & DOWN When the cursor is at the HOME position (position 0,0on the display), these buttons allow you to read all themasks of a specific section.When the cursor is within a numeric field, the UP &DOWN buttons allow you to increase anddecreasethevalue on which the cursor is positioned.When the cursor is on a choice field, pressing thesebuttons allows you to display all the options available(eg. Yes/No).Pag.5/61