valutazioni - 5, GPA: 4.4
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A large easy to read display provides current system temperatures and operating status (FIG. 1). The control has outputs for a primary pump and a combustion air damper or alarm. Based on the mode of operation selected, the control can operate different combinations of boiler stages and boiler pumps. ADDITIONAL FUNCTIONS INCLUDE: • Installer and Advanced Access Levels • Primary Pump Output • Individual Boiler Pump Outputs (in applicable modes) • Pump Exercising • Pump Purging (primary and boiler) • Boiler Demand for Space Heating Loads • DHW Demand for DHW Loads • Set Point Demand for Set Point Loads • Test Sequence to Ensure Proper Component Operation • Setback Input for Energy Savings • 0 - 10 V (dc) Input Signal Input Timer or Switch Optional Output Combustion Air Or Alarm FIG. 1 This instruction manual is organized into four main sections: 1) Sequence of Operation, 2) Installation, 3) Control Settings, and 4) Testing and Troubleshooting. The Sequence of Operation section has seven sub-sections. We recommend reading Section A: General Operation of the Sequence of Operation, as this contains important information on the overall operation of the control. Followed by the sub-sections that apply to your installation. The Control Settings section (starting at DIP Switch Settings) of this instruction manual describes the various items that are adjusted and displayed by the control. The control functions of each adjustable item are described in the Sequence of Operation. USER INTERFACE The control uses a Liquid Crystal Display (LCD) as the method of supplying information. The LCD is used in order to setup and monitor the operation of your system. The control has four push buttons ( FIG. 2) for selecting and adjusting settings. As you program your control, record your settings in the ADJUST menu table which is found in the second half of this instruction manual. MENU All of the items displayed by the control are organized into two menus. These menus are listed on the top left hand side of the display (Menu Field). To select a menu, use the Menu button. By pressing and releasing the Menu button, the display switches between the two menus. Once a menu is selected, there will be a group of items that can be viewed within the menu, see Figure 2. ITEM The abbreviated name of the selected item will be displayed in the item field of the display. To view the next available item, press and release the Item button. Once you have reached the last available item in a menu, pressing and releasing the Item button will return the display to the first item in the selected menu. The items can be quickly scrolled through by holding the Item button and pressing the down arrow button. To rapidly scroll through the items in the reverse order, hold the Item button and press the up arrow button, see Figure 2. ADJUST To make an adjustment to a setting in the control, begin by selecting the ADJUST menu using the Menu button. Then select the desired item using the Item button. Finally, use the up arrow button, or down arrow button to make the adjustment. Additional information can be gained by observing the Status field of the LCD. The status field will indicate which of the control's outputs are currently active. Most symbols in the status field are only visible when the VIEW menu is selected, see Figure 2. TABLE OF CONTENTS Introduction ............................... 1 User Interface ............................. 2 Display...................................3 Symbol Description.........................3 Sequence of Operation......................4 Section A: General Operation ...........4 Section B: Staging....................6 Section C: Pump Operation.............8 Section D: Boiler Reset................9 Section E: DHW......................12 Section F: Set Point...................14 Section G: External Input...............15 Installation................................17 DIP Switch Settings .........................22 Control Settings ............................22 View Menu ..........................24 Adjust Menu .........................25 Testing the Control .........................29 Error Messages ............................30 Technical Data .............................31 Typical Boiler Installation .....................32 Typical DWH Priority Heating Package System . . .34 Notes Page ...............................35 2 DISPLAY Menu Field Displays the current menu Item Field Displays an abbreviated name of the selected item Status Field Displays the current status of the control's inputs, outputs and operation VIEWTADJUST OUT BOIL .]№ MASS TERM\ DHW SETPJ Number Field Displays the current value of the selected Item n______________________________ SUP RET AT\ I DIFFINDR tt H W H TARG DSGMlf U'U.U HHn MÍÑMÁX ÜÑ0CC STGJMYBSLPURM^ r~\ ®d/w Boil I &► ■A* °F°ü\ !i min hr ► ► g>í234 í 56789 * Boiler Demand DHW / Setpoint Demand WWSD External Input Signal B...
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