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Honeywell AC-220-7 manual

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Table of contents for the manual

  • Page 1

    PAGE 1 1.2 THIS KIT INCLUDES: Control box 12 ' long heat tape, w/ thermostat 30 ' long roll of insulation wrap Copper 1/2" NPT thermowell w/clip Cord grip connector Linear platinum sensor 2 ' of 3/8" flexible conduit Three (3) seal fittings for connectors 3/8" conduit straight connector 3/8" 90 degree elbow connec[...]

  • Page 2

    PAGE 2 2.1 MOUNTING THE CONTROL BOX The control box should be mounted near the outlet manifold of the aftercooler. Make sure that the control box is close enough so that all components can reach the box when in- stalled. Drill the four pilot holes in the mounting surface using a 1/8" drill. Reference Figure 2- A for dimensions. The control box[...]

  • Page 3

    PAGE 3 SECTION 2 INSTALLATION 2.4 INSTALLING THE CONDUIT Install the straight conduit connector on the control box. Reference Figure 2-D. The supplied conduit will be used to run between the aftercooler and the control box. Connect the conduit to the straight connector. Install the 90 degree elbow connector on the aftercooler. Reference Figure 2-D.[...]

  • Page 4

    PAGE 4 IMPORTANT THE FAN MOTOR MUST ROTATE IN THE CORRECT DIRECTION. REFERENCE THE AFTERCOOLER OPERATOR'S MANUAL FOR PROPER ROATION DIRECTION. IF IT DOES NOT, THE ROTATION CAN BE CORRECTED BY SWITCHING TWO OF THE POWER LEADS TO THE MOTOR. SECTION 2 INSTALLATION FIGURE 2-F CONTROL BOX COMPONENT LAYOUT and WIRING DIAGRAM[...]

  • Page 5

    PAGE 5 SECTION 2 INSTALLATION 2.7 SETTING THE CONTROLLER The controller was factory set for normal operation. The factory settings are as follows: RELAY 1 SET POINT 35 O F DIFFERENTIAL 10 O F MODE COOLING Turn on the main power to the FP-4 control. If the settings have been changed, set them to the factory settings following the procedures below . [...]

  • Page 6

    PAGE 6 4.2 CONTROLLER ERROR CODES The controller display panel is used to display error codes in the event of problems with the controller. The four error codes are listed below. -- -SENSOR FAILURE The "--" displayed for the temperature indicates that there is a problem with the sensor. The sensor is open or shorted. All relays will be de[...]

  • Page 7

    PAGE 7 SECTION 5 REPLACEMENT PARTS 5.1 REPLACEMENT PARTS ITEM NO. 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22 23 DESCRIPTION 12 ' LONG HEAT TAPE 30 ' ROLL OF INSULATION WRAP 1/2" NPT THERMOWELL w/CLIP CORD GRIP CONNECTOR SENSOR 3/8" FLEXIBLE CONDUIT SEAL FITTING FOR CONNECTOR 3/8" CONDUIT STRAIGHT CONNECTOR 3/8&qu[...]

  • Page 8

    PAGE 8 MAKING COMPRESSED AIR AND GAS WORK BETTER SINCE 1944. YOUR VAN AIR REPRESENTATIVE IS: NAME: COMPANY: ADDRESS: CITY: STATE: ZIP: PHONE: FAX: ATTACH BUSINESS CARD HERE 2950 Mechanic Street Lake City, PA 16423 USA Phone: 800/840-9906 Service Fax: 814/774-0778 Order Entry Fax: 814/774-3482 www.vanairsystems.com SECTION 6 WARRANTY PER VAN AIR TER[...]

  • Page 9

    E4436 INST ALLA TION INSTRUCTIONS 62-0254-03 T775A/B/M Series 2000 Electronic Stand-Alone Controllers PRODUCT DESCRIPTION The T775 electronic stand-alo ne controllers a re the next generation of commercial a nd agricultura l controls capable of remo te sensing of te mperature a nd providing switched and/or proportional o utputs to various typ es of[...]

  • Page 10

    T775A/B/M SERIES 2000 CONTROLLER PRODUCT DESCRIPTION 62-0254– 03 2 T emperature Sensor s a The contro ller accepts 1,097 O hms PTC at 77°F (2 5°C): • 50021579-0 01 – S tandard sensor (included with a ll models except NEMA 4X models) • T775-SENS-WR – W ater resist ant with 5 foot lea ds (inclu ded with N EMA 4X model s) • T775-SENS-WT [...]

  • Page 11

    BEFORE INSTALLATION T775A/B/M SERIES 2000 CONTROLLER 3 62-0254 –03 BEFORE INSTALLATION Review th e “Speci fications ” on pa ge 35 befor e installing the contro ller . When Installing This Product 1. Read these instruc tions carefully . Fa ilure to follow them could damage the p roduct or c ause a hazard - ous condition. 2. Check rating s give[...]

  • Page 12

    T775A/B/M SERIES 2000 CONTROLLER WIRING 62-0254– 03 4 Wiring Conn ections Access T o acce ss the wiring conn ections, remove the two screws on the left side of the enclosure and gently swin g open the top. Be care ful to not stress the ribbon cables that connect the keypad and LCD display t o the controller circui t board. T emperature Sensor Wir[...]

  • Page 13

    WIRING T775A/B/M SERIES 2000 CONTROLLER 5 62-0254 –03 Controller Wiring WARNING Electrical Shock Hazard. Can cause se vere injury , death or propert y damage. Disconnect pow er supply before beginning wiring, or maki ng wiring connection s, to prev ent elect rical shock or equipme nt damage. CAUTION Do not use 24 V ac powe r to power any external[...]

  • Page 14

    T775A/B/M SERIES 2000 CONTROLLER WIRING APPLICATIONS (EXAMPLES) 62-0254– 03 6 Controller Wiring Details The wiring co nnection term inals are sho wn in Fig. 7 a nd are desc ribed in T able 2. See Fig. 8 – Fi g. 20 beginnin g on page 6 for typical T775A/B/M wiring applications. Fig. 7. T 775A/B/M term inal and feature lo cations. NOTE: Refer to [...]

  • Page 15

    WIRING APPLICATIONS (EXAMPLES) T775A/B/M SERIES 2000 CONTROLLER 7 62-0254 –03 Fig. 9. Wir ing for f our-stage control – 24 Vac input and 24 V ac load. Fig. 10. Wi ring for two-stage cont rol with 12 0 or 240 V ac (120 V ac inpu t and 120 Vac load show n). Fig. 1 1. Wiring f or four-st age control with 120 or 240 V ac (120 V ac input and 120 V a[...]

  • Page 16

    T775A/B/M SERIES 2000 CONTROLLER WIRING APPLICATIONS (EXAMPLES) 62-0254– 03 8 Fig. 13. Wi ring f or ML7984 valve actu ator . Fig. 14. Wi ring for Di gital Input (dry c ontact). Fig. 15. Wi ring for mod moto r or direct coupl ed actuator w ith 4 to 20 mA control inp ut. Fig. 16. Wi ring for mod moto r or direct coupl ed actuator with 0 to 10 Vd c [...]

  • Page 17

    WIRING APPLICATIONS (EXAMPLES) T775A/B/M SERIES 2000 CONTROLLER 9 62-0254 –03 Fig. 19. W iring for thre e Series 90 Mod utrol Motors. Fig. 20. W iring for un ison control of M9184 or M9 185 Modutrol IV Motor usin g one minimum posi tion potentiometer for a ll motors. POW ER SU PPLY . PR OVID E DI SCO N NECT M E AN S AN D OVE RLOA D PROT ECTI ON A[...]

  • Page 18

    T775A/B/M SERIES 2000 CONTROLLER CHECKOUT 62-0254– 03 10 CHECKOUT Inspect all wiri ng connect ions at t he control ler termi nals, and verify co mpliance with the installation wiring diagra ms. WARNING Electrical Shock Hazard. Can cause se vere injury , death or property damage. Disconnect po wer supply befo re beginning wiring or maki ng wiring [...]

  • Page 19

    INTERFACE OVERVIEW T775A/B/M SERIES 2000 CONTROLLER 1 1 62-0254–03 INTERFACE OVERVIEW The T775 A/B/M controllers u se an LCD panel and 6-butt on keyp ad to provi de sta tus info rmation an d permit user in put of the p rogrammi ng, setu p, and sc heduling para met ers . The following figure describe s the display are as of the LCD and t he keypad[...]

  • Page 20

    T775A/B/M SERIES 2000 CONTROLLER INTERFACE OVERVIEW 62-0254– 03 12 Accessing the Menus Menus are u sed for program ming, schedu ling, viewing the summary se ttings, and setu p of advanced options. Programming, Scheduling, and Summary Menus T o acc ess these menu s from the hom e screen, pre ss the MENU button. See F ig. 24. Fig. 24. Menu s. Depen[...]

  • Page 21

    1. PROGRAMMING T775A/B/ M SERIES 2000 CONTROLLER 13 62-0254–0 3 1. PROGRAMMING The contro ller must be pr ogrammed before being placed into service. IMPORTANT During pr ogrammi ng, the co ntrolle r is live at all times. F or exampl e, the con tact s may op en and close when a djusting the setp oint. The Progr amming pr ocess us es a hierar chical[...]

  • Page 22

    T775A/B/M SERIES 2000 CONTRO LLER 1. PROGRAMMING 62-0254– 03 14 Programming the T775A/B/M Controller T o pr ogram the con troller , perform t he following proced ures in th e order lis ted: 1. Enter Program mo de — see “1.1. Entering Progra m Mode” 2. Program t he Output s — see “1.2. Progr am Menu for Output s” on p age 14 When progr[...]

  • Page 23

    1. PROGRAMMING T775A/B/ M SERIES 2000 CONTROLLER 15 62-0254–0 3 Fig. 29. Progra m - Differen tial or Thrott ling Range. 1.2.2. DIFFERENTIAL or THROTTLING RANGE Differential is used for Re lay outputs and Throttling Range is used for Modulat ing outputs. 1. From the me nu, use the S and T buttons to high- light THROT RNG or DIFFERNTL. 2. Press the[...]

  • Page 24

    T775A/B/M SERIES 2000 CONTRO LLER 1. PROGRAMMING 62-0254– 03 16 Fig. 32. Progr am - Setback. 1.2.5. SETBACK The Setback t emperature opt ion displays if sched uling is enabled (see Fi g. 55 on pag e 24) or the DI Option i s set to Setback . (see Fig. 57 on p age 25). This is the desired setpoin t temperature that you want to use during setback mo[...]

  • Page 25

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 17 62-0254–0 3 2. SETUP (ADVANCED OPTIONS) Setup provid es the ability to ch ange the fact ory default settin gs for th e tempera ture sens ors and ou tputs , to enable/disab le reset contro l, and to enab le/disable scheduling. NOTE: The controller interface is intuitive. Y ou ma y fin[...]

  • Page 26

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 18 Fig. 36. Set up - Sensors - Sens or A Menu. 2.2.2. SENSOR A 1. From the Sensor s menu, highligh t SENSOR A. 2. Press the X butt on to display the Sensor A selec- tions. Fig. 37. S etup - Sen sors - Se nsor A - U nits. 2.2.2.1. UNITS (°F or °C) IMPORTANT This is a glo ba[...]

  • Page 27

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 19 62-0254–0 3 Fig. 40. Setu p - Sensors - Senso r A - Exit. 2.2.2.4. Exit Sensor A Setup Press the W button to exit Sen sor A selections and return to the Senso rs menu. or Use the S and T butto ns to highlight EXIT and pres s the X button. Fig. 41. Set up - Sensors - Sens or B Menu. 2[...]

  • Page 28

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 20 Fig. 42. Setu p - Sensors - Sensor B - Limit. 2.2.4. LIMIT (Sensor B only) For the T77 5M2030 an d T775M204 8 models on ly , the LIMIT item disp lays on the Sens or B menu. NOTE: The LIMIT option act s only on Modu lating Output 1. 1. From the Sen sors menu, use the T but[...]

  • Page 29

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 21 62-0254–0 3 Fig. 44. Set up - Sensors - Sens or B - Throttling Range. 2.2.4.2. THROTTLING RANGE (Sensor B only) The throttling r ange for the modulating high or low limit positio ns the se tpoint at the end of the thro ttling ra nge. For example, with a high (Heat) lim it at Sensor B[...]

  • Page 30

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 22 Fig. 47. Setu p - Output s - Mo d Out - T ype. 2.3.1.1. TYPE (of output signal) 1. From the Mo d menu, use t he S and T buttons to highlight TYPE. 2. Press the X b utton to display the T ype selections. 3. Use the S and T buttons to highlig ht the desired output t ype. De[...]

  • Page 31

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 23 62-0254–0 3 Fig. 50. S etup - O utputs - Mod Out - Derivativ e. 2.3.1.4. DERIV A TIVE The Derivative default value is factory set to ze ro (no derivativ e control). I t is strongly reco mmended tha t the deriva tive rem ain at ze ro (0) un less you have a v ery good reason to adjust [...]

  • Page 32

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 24 Fig. 53. Setu p - Output s - Number of Relays. 2.3.2. NBR OF RELA YS 1. From the Ou tput s menu, us e the S and T buttons to highlight # RELA YS. 2. Press the X b utton to display the number of r elays. 3. Use the S and T buttons to display the number from 1 to 4 dependin[...]

  • Page 33

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 25 62-0254–0 3 Fig. 56. Se tup - Output s - Options - Min Of f Time. 2.3.3.2. MIN OFF (minimum off time for all relays) This is t he minimum number of seconds of “off time ” for all relays. 1. Press the X b utton to display the Min Off value. 2. Use the S and T button s to increase/[...]

  • Page 34

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 26 Fig. 59. S etup - O utputs - Options - E xit. 2.3.3.5. Exit Option s Setup Press the W button (or hi ghlight EXIT and press the X button) to exit an d return to the Out puts me nu. Continue wit h “2.3.4. Setting u p the Relays” Fig. 60. S etup - O utputs - Relay Me nu[...]

  • Page 35

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 27 62-0254–0 3 Fig. 62. Setu p - Output s - Floating Re lay - Menu. 2.3.4.1.1. Floating Relay Menu The Floating o ption is only available on the T775B201 6, T775B2024, T775B2032, and T77 5B2040 models. When Relay 1 or Re lay 3 is setup as floating, relays are paired and the Floa t 1 or [...]

  • Page 36

    T775A/B/M SERIES 2000 CONTROLLER 2. SETUP (ADVANCED OPTIONS) 62-0254– 03 28 Fig. 65. Se tup - Output s - Floating Relay - Deriv ative. 2.3.4.1.1.3. DERIV A TIVE (modulating/floatin g relay only) The Derivative option displays o nly on the T775B2 016, T775B2024 , T775B2032, an d T775B2040 m odels when the T ype opt ion = F loating . 1. From the me[...]

  • Page 37

    2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER 29 62-0254–0 3 Fig. 68. Setup - Ou tputs - Relay - Exit. 2.4. EXIT Setup Mode Press the W button to exit the selected relay set up and return to the Outputs menu . T o se tup the next r elay output go to “2.3.4. Setting up the Relays” on page 26. If you are finished setting up the r[...]

  • Page 38

    T775A/B/M SERIES 2000 CONTROLLER 3. SCHEDULING 62-0254– 03 30 3. SCHEDULING Scheduling provid es the ability to set daily temp erature settin gs for up t o two even ts pe r day . T ypically , these are the day time (set point) an d the night time (set back) settings. IMPORTANT T o enable Schedu ling, you must first en ter Setup mode (pre ss and h[...]

  • Page 39

    3. SCHEDULING T775A/B/M SER IES 2000 CONTROLLER 31 62-0254–0 3 Fig. 71. Sche dule - Optio ns - System T ime. 3.2.1. SET TIME Setting the system time is re quired to enab le the controller to follow daylight s aving time. IMPORTANT Set the Dat e before setting the Time. See “3.2.2. SET DA TE”. 1. From the Op tions men u, use th e S and T butto[...]

  • Page 40

    T775A/B/M SERIES 2000 CONTROLLER 3. SCHEDULING 62-0254– 03 32 Fig. 74. Sch edule Event Me nu (Showing MON- FRI). 3.3. Setting Individual Schedules As shown in the Schedule men u (Fig. 69 on page 30), schedules c an be set for t he following time periods: • Monday th rough Fr iday • Saturd ay and Sunday • Indi vidual da ys of the wee k 1. Fr[...]

  • Page 41

    3. SCHEDULING T775A/B/M SER IES 2000 CONTROLLER 33 62-0254–0 3 Fig. 76. Sche dule - Event 1 T ime. 3.3.2. E1 TIME (time for event 1) 1. From the sele cted time pe riod menu , use the S and T buttons t o highlight E1 TIME. 2. Press the X b utton to display the current tim e set- ting fo r event 1. 3. Use the X butto n to cycle bet ween the hour, m[...]

  • Page 42

    T775A/B/M SERIES 2000 CONTROLLER SUMMARY MENU 62-0254– 03 34 SUMMARY MENU The Summary menu provides the ability to view the schedu le (E1 and E2 tim es) for ea ch relay fo r each day of the week. NOTE: Scheduling must be enabled for the Summary menu to di splay . Enabling t he schedule is determined in the Setup p rocess for the O utput Options ([...]

  • Page 43

    SPECIFICATIONS T775A/B/M SERIES 2000 CONTROLLER 35 62-0254–0 3 SPECIFICATIONS Power: 24, 120, or 240 V ac; 50/60 Hz; A separate earth gro und is required fo r any power so urce. Power Consump tion: • 8 V A maxi mum at 60 Hz • 10 V A maxi mum at 50 Hz Operating & Storage T emperature Ambien t Rating: • -40°F to 1 25°F (-40°C to 52°C)[...]

  • Page 44

    DOC T775A/B/M SERIES 2000 CONTRO LLER Automation an d Control Soluti ons Honeywell Inte rnational Inc. Honeywell Limited-H oneywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, O ntario M1V 4Z9 customer.h oneywell.com ® U.S. Re gistered T rademark © 2007 Ho neywell Inter national In c. 62-0254–03 M.S. Rev [...]