Dwyer DH User Manual

Bulletin B-32Series DH Digihelic®Differential Pressure ControllerSpecifications - Installation and Operating InstructionsDWYER INSTRUMENTS, INC. Phone

9PAGE 5 OF 12MAIN MENUS SUB MENUSSETTINGSMenus present onlyin pressure operationSP/ALMENUERSTPAGE 1 OF 128/25/03SP/ALMENUERSTPAGE 1 OF 128/25/03SP/ALM

10Main Menu Selections (Upper Right Display Reads MENU )SECrSecurity - Lock out access to Set Point and Alarm settings, or lock out access to all sett

11MAIN MENUS and SUB MENUSSECr (Security) MAIN MENUSECr is the only SUB MENU in the security MENU. When the security SUB MENU is selected, the present

12PrES (Pressure) SUB MENUFor pressure measurement, the following units are available:Table 1 Pressure Range vs. Available UnitsINWC.1000.2500.50001.

13FLO (Flow) SUB MENUFor flow measurements the following units are available:SCFM- Standard cubic feet per minuteM^3H- Cubic meters per hourFLO r (Flo

14ArEA, DIA, XDIM and YDIM SUB MENUSThese SUB MENUS become accessible if the instrument is set for flow. When meas-uring flow, the area of the duct mu

150100ProcessReverse ActingTimeSPHSPLRelay InactiveRelay ActiveCtrL (Control) SUB MENU1SP- Single set point2SP- Two fully independent set pointsSPAL-

16The following alarm function SUB MENUS are activated when CtrLis set toSPAL:AL (Alarm Type) SUB MENUHI- High alarmLO- Low alarmHILO- For a high/low

17ALrE (Alarm Reset) SUB MENUONOF- Automatic resetHOLD- Manual reset. An alarm is reset by the RESET key on the front panel, or an external reset swit

18rESO (Resolution) SUB MENUThe Digihelic®Controller is capable of displaying four digits of resolution. However, at very low pressures the instabilit

1DIMENSIONS1-3/4[44.45]4-1/2[114.30]1/2[12.70]4-1/2[114.30]3-19/32[91.28]1-15/16[49.21]3-25/32[96.04]Face Designed to Meet NEMA 4X (IP66)PANEL CUT OUT

MSP1 and MSP2 (Maintenance Set Point 1 & 2) SUB MENUSAdjust for the desired maintenance set points when the unit is placed in the maintenance mode

2SPECIFICATIONSService: Air and non-combustible, compatible gases.Wetted Materials: Consult factory.Housing Material: ABS plastic, UL approved 94-V-0.

3WIRING202019191818171716161515141413131111121210109 876543212121222223232424CCN/CN/CN/CN/CN/ON/ON/ON/OSP1RELAYSP1RELAYSP2 ORALARMRELAYSP2 ORALARMRELA

4It is not necessary to remove the control chassis from the housing forinstallation. If the control chassis is removed from the housing, youmust follo

5SP1SP1SP2SP2ALHIALHIALLOALLOSP/ALSP/ALRSTRSTMENUMENUEX1KX1KMULTIPLIER DESCRIPTORMULTIPLIER DESCRIPTORVISIBLE WITH SVISIBLE WITH SOME VELOCITYME VELOC

6SETTING SET POINTS AND ALARMSThe hot key provides direct access to the Set Point and Alarm MENU. TheSet Point and Alarm MENUS that are displa

7MENU MAPMENU MAPCONTINUEDCONTINUEDSETTINGSSETTINGSMAIN MENUS SUB MENUSMENUSUNAVAILABLEFOR BI-DIRECTIONALRANGES ANDRANGES ABOVE 25 IN. W.C.SP/ALMENUER

8CONTINUEDCONTINUEDSETTINGSSETTINGSMAIN MENUS SUB MENUSSP/ALMENUERSTPAGE 1 OF 128/25/03SP/ALMENUERSTPAGE 1 OF 128/25/03SP/ALMENUERSTPAGE 1 OF 128/25/0