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Manual hussman P/N 374511B

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  • hussman P/N 374511B - page 1

    P/N 374511B Marc h, 1997 ...

  • hussman P/N 374511B - page 2

    T ABLE OF CONTENTS Key Pad Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Select Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Protocol™ Main Menus . . . . . . . . . . . . . . . . . . . . . . . .4 Status Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Configuration Menu . . . . ...

  • hussman P/N 374511B - page 3

    KEY P AD INSTRUCTIONS Shift Upper – This key is used to key in the top (red) letters. Shift Lower – This key is used to key in the bottom (blue) letters. NOTE: If either of the above keys is pressed accidentally, simply press it again to deactivate it. INS & DEL – The screen will prompt you when you need to use these keys. CLR – Clears ...

  • hussman P/N 374511B - page 4

    The Hussmann Interface Module may be operated from either battery power or from a 120V/12VDC transformer . When using the transformer, connect Module before plugging in the transformer . The startup screen will automatically appear . HUSSMANN INTERF A CE MODULE (C) 1991 HUSSMANN CORPORATION VER 1.30 When battery operated, the Module will shut down ...

  • hussman P/N 374511B - page 5

    Following the startup screen, the S ELECT E QUIPMENT screen will appear. SELECT EQUIPMENT 1-PROT OCOL 2-CASE CONTROL 3-PUMPING ST A TION 4-FLUID COOLER Press 1 on the key pad. The P ROTOCOL ™ M AIN M ENU will appear . This screen has 5 submenus each of which has its own submenu(s), see page 4. Any time a numbered list appears on the menu screen, ...

  • hussman P/N 374511B - page 6

    HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.) 970307 P/N 374511B Page 4 PROTOCOL ™ Hand Held Device P R OTOCOL MAIN MENU ( _ _) = P A G E N U M B E RF O RM O R E I N F O R M AT I O N 1- S T A TU S ME N U ( 07) MAIN ST A TUS M ENU 2- CO NFIG M ENU (10 ) CONF IG M ENU 1-P RESSU RES (0 7 ) 3- D E FROS T ME N U ( 23) D EFRO ST ...

  • hussman P/N 374511B - page 7

    970307 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.) P/N 374511B Page 5 PROTOCOL ™ Hand Held Device CONF IG M ENU ( _ _ ) = P A G EN U M B E R F O RM O R E I N F O R M AT I O N 1- S ET THE C L OC K ( 1 0) CLO CK SETU P M E N U 2- S ENSO R S E TUP ( 11 ) S ENSO R SE TUP M E N U 3- P R OT O C O LS E T U P( 1 5 ) P R O TO C O ...

  • hussman P/N 374511B - page 8

    HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.) 970307 P/N 374511B Page 6 PROTOCOL ™ Hand Held Device DEFROS T M ENU ( _ _) = P A G EN U M B E R F O RM O R EI N F O R M AT I O N 1- V IEW/ SET ITEMS ( 23 ) DEFR O ST ME NU D EFRO ST C I RCU IT # X 2- CO PY SCH EDULE (25 ) 3- ASS IGN OUT PUT S ( 2 6) DEFR OST BO ARD #1 C I R C ...

  • hussman P/N 374511B - page 9

    ST A TUS MENU 1-ST A TUS MENU This is a read only menu. It gives you current operating conditions. P1 gives the present pressure for the suction man - ifold. P2 gives the second suction pressure input.* Press ESC Key . SETPOINT is the Suction Set Point for the control board. The board turns compressors ON and OFF to maintain this suction pressure. ...

  • hussman P/N 374511B - page 10

    ST A TUS MENU (Continued) 2-DEFROST / TEMP CKT This is a read-only menu. This screen shows the current operational status of Defrost Circuits and associated temperatures as provided by Auxiliary inputs. N AME gives a description of the case loads for this defrost circuit. S TA TUS indicates whether the defrost circuit is in defrost (DEFR), refriger ...

  • hussman P/N 374511B - page 11

    ST A TUS MENU (Continued) 3-TEMPERATURE MENU T1 temperature reading for suction pressure reset or optional temperature input. T2 temperature reading for satellite or optional temperature input. T3 If split suction is installed, T3 may be factory set to read head pressure instead of temperature. Screen will show T3- ___PSI. If split suction is not i ...

  • hussman P/N 374511B - page 12

    CONFIG MENU 2-CONFIG MENU This set of menus is used to make changes in the Protocol’s configuration. Press 2 on the Keypad to enter the C ONFIG submenu. 1- SET THE CLOCK Press 1 on the Keypad to enter the C LOCK S ETUP submenu. This screen has 5 fields used to set the correct time/date. Hour 2 2 (24-hr clock only) Minute 2 3 Month date 0 1 Day da ...

  • hussman P/N 374511B - page 13

    CONFIG MENU (continued) 2- SENSOR SETUP Press 2 on the Keypad to enter the Sensor Setup Submenu. This screen has 6 menus. 1- PRESSURE #1 Press 1 on the Keypad to enter the Pressure #1 Submenu. PRESSURE #1 controls the suction pressure for the Protocol Control. Press the CLR key. Key in the applicable suction pressure in psig for HI ALARM and press ...

  • hussman P/N 374511B - page 14

    CONFIG MENU (continued) 2- PRESSURE #2 Press 2 on the Keypad to enter the Pressure #2 Submenu. PRESSURE #2 controls the suction pressure or Split Suction on the Protocol Control. Press the C L R k e y . Key in the applicable suction pres- sure in psig for H I A L A R M and press E N T . Repeat for L O A L A R M . Pressure T ransducers are supplied ...

  • hussman P/N 374511B - page 15

    CONFIG MENU (continued) 3- TEMP #1 3 - T E M P # 1 allows you to establish set point and alarm levels for the first temperature i n p u t . Press 3 on the Keypad to enter the TEMP #1 Submenu. The ALM DELA Y is a programmable time delay . This sets the time it will take before the control log’s the alarm. The CIRCUIT - X allows you to attach a def ...

  • hussman P/N 374511B - page 16

    CONFIG MENU (continued) 6- AUX SENSORS Press 6 on the Keypad to enter the Auxiliary Sensors Submenu. A UXILIARY SENSORS provide six temperature inputs—analog or digital. Analog for thermistors Digital for thermostats. ANALOG SETTING A N A L O G accommodates temperature readings between – 40 and + 120˚F. Set on ANALOG , an unused input will pro ...

  • hussman P/N 374511B - page 17

    CONFIG MENU (continued) 3- PROTOCOL SETUP Press 3 on the Keypad to enter the Protocol Setup Submenu. 1- REFR SETUP Press 1 on the Keypad to enter the R EFR S ETUP submenu. This screen programs the Control Board for the refrigeration parameters: Number of compressors controlled Compressor Cycling Algorithm* Suction Pressure Set Point Split Suction C ...

  • hussman P/N 374511B - page 18

    CONFIG MENU (continued) MixMatch compressor cycling is used when com- pressors of varying horsepowers have been installed. This algorithm allows the compressor horse power to be more closely matched with the evaporator load There are 16 available steps for MixMatch cycling. The additional steps are accessible by pressing the arrow to view additiona ...

  • hussman P/N 374511B - page 19

    CONFIG MENU (continued) MIXMATCH PROGRAMMING EXAMPLE 1. Start by making a column for each compressor . 2. The first row must be all 0’s. 3. Each row will be a step. Each step should increase rack capacity by the smallest increase in capacity possible. 4. Use an X in the column for a compressor being on, and a 0 in the column for a compressor bein ...

  • hussman P/N 374511B - page 20

    CONFIG MENU (continued) 2- DEFR SETUP Press 2 on the Keypad to enter the Defrost Setup Submenu. This screen programs the Control Board for the defrost parameters: Number of defrost circuits controlled Interlock status— E NABLED /D ISABLED T o change numeric fields, press the CLR key . Key in the applicable number. Press ENT . Use the key, toggle ...

  • hussman P/N 374511B - page 21

    CONFIG MENU (continued) 3- DESCRIPTION Press 3 on the Keypad to enter the Description Submenu. This screen provides for a 16 character description of the Protocol unit for user identification on Hussnet™. Press the CLR key . Key in the description . Press Shift Upper to use the red (upper) letters and Shift Lower to use the blue (lower) letters. ...

  • hussman P/N 374511B - page 22

    CONFIG MENU (continued) 4- COMM SETUP Press 4 on the Keypad to enter the Communication Setup Submenu. This screen provides for assigning each Protocol a station number for computer identification on Hussnet™. It also provides baud rate assignment. The baud rate is the rate at which a computer can receive data from Protocol. All Protocols must hav ...

  • hussman P/N 374511B - page 23

    CONFIG MENU (continued) 5- LIGHT CONTROL Press 5 on the Keypad to enter the Light Control Submenu. 1-CIRCUIT #1 Press 1 or 2 on the Keypad to enter the Circuit # Submenu. This screen programs lighting controls on one cir- cuit. Use the key to toggle between E N A B L E D / D I S A B L E D to activate the lighting function. Press E N T . Using the E ...

  • hussman P/N 374511B - page 24

    CONFIG MENU (continued) 6- TEMPERATURE CONTROL Press 6 on the Keypad to enter the T emperature Control Submenu. Note: T emperature Control is available on H AND H ELD D EVICE V2.40 or greater . Press the number of the T emp Refr Circuit you wish to view or use the and to move to the appropriate entry and press ENT . 1-REFR CIRCUIT #1 This screen al ...

  • hussman P/N 374511B - page 25

    DEFROST MENU 3-DEFROST MENU Press 3 on the Keypad to enter the Defrost sub - menu. 1- VIEW/SET ITEMS Press 1 on the Keypad to enter the V IEW /S ET I TEMS Submenu. This screen shows three columns: C I R C U I T lists the defrost circuit within the Protocol. The numbers 1 through 8 are fixed. NAME refers to the description used to identify the defro ...

  • hussman P/N 374511B - page 26

    DEFROST MENU (continued) W ITH THE CURSOR ON A CIRCUIT NUMBER , press the ENT key to open that circuit submenu. CIRCUIT #6 - REFR Press the CLR key. Key in the applicable Lineup name. Press ENT . Repeat for NAME , NUMBER / DA Y , DEFR LENGTH and 1 ST DEFR HOUR : MINUTES . Note: T o key in name, press Shift Upper to use the red (upper) letters and S ...

  • hussman P/N 374511B - page 27

    DEFROST MENU (continued) 2- COPY SCHEDULE Press 2 on the Keypad to enter the Copy Schedule Submenu. Press the CLR key. Key in the applicable Circuit # for Copy From. Press ENT . Press the CLR key. Key in the applicable Circuit # for Copy to. Press ENT . Press ESC to return to D EFROST M ENU . 970307 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 ...

  • hussman P/N 374511B - page 28

    DEFROST MENU (continued) 3- ASSIGN OUTPUTS Press 3 on the Keypad to enter the Assign Outputs Submenu. Press ENT to move the cursor to the value to be changed. Press the CLR key . Key in the applicable Circuit #. Press ENT . Electric defrost circuits will typically require two outputs (one for solenoid and one for heater con- trol); while offtime an ...

  • hussman P/N 374511B - page 29

    DEFROST MENU (continued) 4- ASSIGN CIRCUITS FOR SPLIT SUCTION NOTE: This item only appears when the unit is configured for the split suction option. Press 4 on the Keypad to enter the Assign Circuits For Split Suction Submenu. Press ENT to move the cursor to the value to be changed. Press the CLR key . Press the left and right arrow keys to toggle ...

  • hussman P/N 374511B - page 30

    MAINT MENU 4- MAINT MENU Press 4 on the Keypad to enter the Maintenance Menu Submenu. This screen has one function, four menus, and a second page. The functions is: 2-CLEAR FORCE FLAG Simply press 2 to activate clear function. Press Numbers 1, 3, 4, 5 on the Keypad to enter the Submenu. Key in compressor or defrost circuit #. Press ENT . The time l ...

  • hussman P/N 374511B - page 31

    4- MAINT MENU Press 4 on the Keypad to enter the Maintenance Menu Submenu. Press ENT to move to the second page. This screen has two functions and three menus. The two functions are: 6-CLEAR RUN METER 9-CLEAR ALARM T ABLE Simply press 6 or 9 to activate clear function. Press Numbers 7, 8, 0 on the Keypad to enter the Submenu. Key in compressor or d ...

  • hussman P/N 374511B - page 32

    ALARM MENU 5-ALARM MENU Press 5 on the Keypad to enter the A l a r m Submenu. This screen lists the last 16 alarms giving the type, time (24 hour clock) and date of each. Alarms may be continued on the next screen. T o read con - tinued alarms, Press ENT . The screen will read END OF ALARMS after last alarm reading. Press ESC to return to M AIN M E ...

  • hussman P/N 374511B - page 33

    970307 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.) P/N 374511B Page 31 PROTOCOL ™ Hand Held Device Mixmatch Programming W orksheet Compr # 1 2 3 4 5 6 T otal HP T otal Column Column V alue 1 2 4 8 16 32 HP V alue 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Mixmatch Programming W orksheet Compr # 1 2 3 4 5 6 T otal HP T otal C ...

  • hussman P/N 374511B - page 34

    CONDENSING UNITS AND REFRIGERATION SYSTEMS This w a r r anty is made to the original purchaser user and is N O T T R A N S F E R A B L E . ONE YEAR LIMITED W A R R A N T Y 1 . Hussmann Cor p o r ation w a r r ants the new Hussmann Equipment, and all parts thereof, to be free of defects in mate- rial and w o r kmanship at time of purchase. 2 . Hussm ...

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