Honeywell perfect climate comfort center control system manual

PRODUCT DATA 68- 0173- 3 ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved Perfect Climate Comfort Center™ Control System GENERAL This document contains information on the Perfect Climate Comfort Center™ Control System including components and accessories. Some compone nts and accessories include the PC8900A Contr[...]

68-0173—3 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esaler or distributor , refer to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or w oul d like to comment on our products or service s, please wri[...]

3 68-0173—3 Finish: C7189A W all Mount Remote Indoo r Sensor: Premier White® color . PC8900A Control Panel: Premie r White® color . W8900A-C Remote Module: C harcoal gray color . Clock Accuracy: ± 1 minute per month. Approvals: FCC Class B: Pending. NEMA DC-3: Not required. Batteries: No batteries required. Duri ng power outages, time is retai[...]

68-0173—3 4 Fig. 2. Dimensions for 205224A Wall Cover Plate in in. (mm). Fig. 3. Di mensions for C7089A Outdoor Sens or Mounting Clip in in. (mm). Fig. 4. Dimensions for C710 0A Discharge Air Sensor in in . (mm). Fig. 5. Dimensions for C7189A Remo te Indoor Sensor in in. (mm). M7513 3-1/4 (83) 8-1/2 (216) 7/8 (22) 7/8 (22) 6 (152) M4488 1-1/2 (38[...]

5 68-0173—3 Fig. 6. Dimensions for PC8900 A Control Panel in in. (mm). Fig. 7. Dimension s for W8900A-C Remote Module in in. (mm). MERCURY NOTICE If this control is replaci ng a control that contains mercury in a sealed tube, do not place your old control in the trash. Contact your local waste management authority for instructions regarding re cy[...]

68-0173—3 6 CAUTION Disconnect power supply before wirin g to prevent electrical shock or equipm ent damage. Mounting the W8900A -C Remote Module Locate the W8900 A-C in the equip ment room near the HV AC equipment. See Fig. 8. CAUTION Do not mount the W8900A-C inside any HV AC equipment. Mounting the W8900A-C inside HV AC equipment can cause dam[...]

7 68-0173—3 IMPORT ANT Be sure to connect the C terminal to transformer common. IN NEW INSTALLATION: 1. Locate the terminal strip(s) on the HV AC equipment. 2. Refer to Fig. 1 1 through 20 for wiring diagrams for spe- cific equipment applications. 3. Connect all loads to the appropriate W 8900A-C wiring terminal using 18-gauge , color-coded therm[...]

68-0173—3 8 T able 3. Heat Pump Applications (W8900B). a AUX controls the auxiliary h eat like W2, and a llows additional stages of auxiliary heat with o utdoor thermostats while maintain - ing the proper second stage anticipation. b For systems without 2 nd st age heat, conf igure W2 to No. c For systems requiring sep arate W1 and Y1 terminals f[...]

9 68-0173—3 WIRING DIAGRAMS W8900A,C Hookup Diagrams Fig. 1 1. Ho okup diagram for heating/c ooling system in conventional system with multiple transformers. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R TO RH FOR SINGLE HEAT TRANSFORMER APPLICATIONS. CONFIGURE PC8900 FOR HUMIDITY CONTROL IN HEATING MODE (HU[...]

68-0173—3 10 Fig. 12. Hookup diagram for 1-stage or 2-st age heatin g and cooling in conven tional syste m with single transformer . L1 (HOT) L2 1 1 2 3 4 5 5 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R TO RH TO RC FOR SINGLE TRANSFORMER APPLICATIONS. DURING INSTALLER SETUP, CONFIGURE PC8900 FOR HUMIDITY[...]

1 1 68-0173—3 Fig. 13. Hook up diagram for heating/coo ling intermittent pilot g as burning igniti on system. S1 S T1 T OUT OUT LED G Y2 Y1 W1 W2 1 2 3 4 GND C R RH RC HUM HUM VNT VNT W8900A,C L1 (HOT) L2 1 3 4 2 1 2 3 4 5 5 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R TO RH TO RC FOR SINGLE TRANSFORMER APP[...]

68-0173—3 12 Fig. 14. Hookup diagram for 3-wire zon e valves in Series 20 heating system with zon e controls. S1 S T1 T OUT OUT LED G Y2 Y1 W1 W2 1 2 3 4 GND C R RH RC HUM HUM VNT VNT W8900A,C L1 (HOT) L2 1 2 4 7 5 6 1 2 3 4 5 6 7 8 8 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R TO RH TO RC FOR SINGLE TRANS[...]

13 68-0173—3 Fig. 15. Hook up diagram in oil he ating/electric cooling system (oil primary has it s own transformer ). S1 S T1 T OUT OUT LED G Y2 Y1 W1 W2 1 2 3 4 GND C R RH RC HUM HUM VNT VNT W8900A,C L1 (HOT) L2 1 2 L1 (HOT) L2 1 6 3 1 2 3 4 5 4 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. DURING INSTALLER SETUP, [...]

68-0173—3 14 W8900B Hookup Diagrams Fig. 16. Hookup diagram for 2-stage heat/1-stage cool in heat pump system. S1 S T1 T OUT OUT LED O/B G Y2 Y1/W1 E AUX W2 1 2 3 4 GND C R RH HUM HUM VNT VNT W8900B L1 (HOT) L2 1 3 2 4 1 2 3 4 5 6 7 7 5 6 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R TO RH. DURING INSTALLER [...]

15 68-0173—3 Fig. 17. Hookup diagram of 3-stage heat/2-st age cool heat pu mp system. S1 S T1 T OUT OUT LED O/B G Y2 Y1/W1 E AUX W2 CO 2 L 1 2 3 4 GND C R RH HUM HUM VNT VNT W8900B L1 (HOT) L2 1 2 CHANGEOVER RELAY AUXILIARY HEAT RELAY STAGE 2 COMPRESSOR PC8900 1 2 3 4 CO 2 MONITOR 1 2 3 3 4 5 6 7 8 8 5 6 7 4 POWER SUPPLY. PROVIDE DISCONNECT MEANS[...]

68-0173—3 16 Fig. 18. Hookup diag ram for heat pump application requirin g sep arate W1 and Y1 terminals with heating changeover . S1 S T1 T OUT OUT LED O/B G Y2 Y1/W1 E AUX W2 CO 2 L 1 2 3 4 GND C R RH HUM HUM VNT VNT W8900B L1 (HOT) L2 1 2 1 2 3 4 5 6 7 7 5 6 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R T[...]

17 68-0173—3 Fig. 19. Hookup diag ram for heat pump application requirin g sep arate Y1 and W1 terminals with co oling changeover . S1 S T1 T OUT OUT LED O/B G Y2 Y1/W1 E AUX W2 CO 2 L 1 2 3 4 GND C R RH HUM HUM VNT VNT W8900B L1 (HOT) L2 1 2 1 2 3 4 5 6 7 7 5 6 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. JUMPER R [...]

68-0173—3 18 W8900A,B,C Humidity Cont rol Hookup Diagrams Fig. 20. Hoo kup diagram connec ting cooling humi dity control in parallel with temperature control. Fig. 21. Hookup di agram connecting humi difier using sep arate transformers for humidity control in the h eating mode. Mounting the PC8900A Control Panel NOTE: The follow ing location guid[...]

19 68-0173—3 3. Remove the PC8900A from the wiring wallplate by pull- ing the PC8900A straight off the wallplate. 4. Position the PC8900A Wiring Plate on the wall. 5. Level the wiring plate (for appearance only) using the posts on top of the wiring plate; device functions prop- erly even when not level. 6. Remove wiring plate from wall and drill [...]

68-0173—3 20 CAUTION Disconnect the power supply befo re connecting wiring to prevent electrical shock or equ ipment damage. All wiring must comply with all applicable electrical codes, ordinances and regulations. 1. Loosen the PC8900A terminal screws and insert one wire beneath each terminal (1, 2, 3, 4). Four wires are required at the PC8900A t[...]

21 68-0173—3 Fig. 25. T yp ical location for C7189A Remote Sensor (C71 89A must be mounted in living space and not in return air duct). Wiring the C7189A Remote Sensor (if needed) CAUTION Failure to follow these wiring practices can introduce electric al interf erence (noise), wh ich can cause erratic system op eration. Keep wiring at least one f[...]

68-0173—3 22 Fig. 26. W iring diagram for C718 9A Remote Sensor to W8900 A-C Remote Module. Mounting the C7089A Outdoor Sensor (if needed) Location Guidelines • Locate the C7089A Outdoor Sensor where it will be safe from tampering. • Choose an outdoor location for the sensor where there is good air circulation at aver age outdoor temp erature[...]

23 68-0173—3 — Mount it high enough to prevent tampering or coverage by snow , ice or debris. • The wire distance between the C7089A and W8900A-C should not exceed 200 ft. Mounting 1. Remove the sensor from the mou nting clip. 2. Mark the area on the surf ace whe re the C7089A mount- ing clip will be mounted. 3. Mount the clip. Fig. 27. T ypi[...]

68-0173—3 24 CAUTION Disconnect power supply befor e connecting the wiring to prevent electrical shock or equ ipment damage. Wiring must comply with applicable codes, ordinan ces and regulations. 1. Wire the C7089A Outdoor Sensor to the terminals marked OUT on the W8900A-C Remote Module. If the leadwire provided with the C7089A is not long enough[...]

25 68-0173—3 TO ENTER THE INSTALLER SETUP MODE: 1. Hold the PC8900A CHECK key until all display seg- ments are displayed (approximately three seconds). See Fig. 29. 2. Press the up and down arrowhead keys at the same time. The display goes bl ank, except for up to four seg- ments (SYSTEM, HEA T , COOL, F AN) as shown in Fig. 30. One of these segm[...]

68-0173—3 26 a The humidity option can only be set for heat or cool. If both are set to Y , it will not honor either one. Fig. 30. Initial display for installer setup. Heat Options When HEA T is flashing, refer to T able 5 for the options pertaining to the heat equipment that appe ar in the PC8900A display after each press of the CHECK key . HEA [...]

27 68-0173—3 Press the up or down arrowhead key until the word HEA T is flashing on the PC8900A displa y . The PC8900A/W890 0A-C is designed to be used on most types of heating systems. Initially , the PC8900A/W8900A-C are factory-set to be us ed on the following systems: PC8900A/W8900A,C models: S tage 1 and 2 heat: Conventional nonconde nsing g[...]

68-0173—3 28 The current day and time are now programmed. The preprogrammed schedule is ac tivated. The preprogrammed settings can be customized or cleared. When using the preprogrammed settings as is, programming is don e. T o customize or create a new program, follow the steps in the Setting a Customized Program se ction. Operating th e Comfort[...]

29 68-0173—3 4. Setting V entilator a. Press VENTILA T E to display VENT when increased ventilation is desired du ring the W AKE period. b. When normal ventilation is desired, p ress VENTI- LA TE until VENT is not displayed. 5. Programming LEA VE, RETURN and SLEEP a. Repeat steps 2a through 4b for each period to be programmed on Monday . The Comf[...]

68-0173—3 30 10. Programming the System Setting a. Press SYSTEM until desired setting ( HEA T , OFF , COOL, AUTO, EM HEA T ) is displa yed. HEA T : The Comf ort Center™ progra m controls the h eating system. OFF : Both the heating and cooling systems are of f. OFF flashes in the display . COOL : The Comfort Center™ program controls the coolin[...]

31 68-0173—3 4. Programming Hold for 1 to 7 Days a. Press HOLD. b. Press HEA T/C OOL SETPOINTS to display either HEA T SET PT (if holding heat se tpoint) or COOL SET PT (if holding cool setpoin t). c. Press and hold up or down arrowhead key until desired holding temperature is displayed. d. Press F AN for fan setting and VENTILA T E for venti- la[...]

68-0173—3 32 Canceling Program Settings. Each period can be canceled. 6. Canceling Period a. Press DA Y until the desired day ap pears in the dis- play . b. Press and hold SELECT PERIOD until the desired period to cancel for that day appears in the display . c. Press CANCEL. The time and temperature disap- pears from the display . d. Press RUN to[...]

33 68-0173—3 h. Press CHECK again to display the system setting. i. Press CHECK or RUN to return to the program. Activating or Deactivat ing Keyboard Lockout When the keyboard lockout is activated, the programs, ti me and day , humidity and installer setup i nformation cannot be changed. However , hold, temporary settings and the system setting c[...]

68-0173—3 34 T abl e 10. Heat Pump System Checkout. a a The polarity configuration of the reversing valve relay (O/B) dete rmines if the O/B is always energized on first call for heat or cool. If the reversing valve e nergizes with heat, then i t de-e nergi zes with cooling. Factory setting is for O/B to energize wit h a call for heat. b O/B is e[...]

35 68-0173—3 Adaptive Intelligent Recovery™ Operation Adaptive Intelligent Reco very™ operation is Honeywell’s trademark for the wa y the Comfort Center™ system controls the heating and cooling equip ment during recovery from an energy savings setting (SLEEP , LEA VE) to a comfort setting (W AKE, RETURN). This provide s additional energy [...]

68-0173—3 36 Heat Pump Recovery In Mild Weather When outdoor temperature is mild; for example 50°F (10°C), the recovery from energy savings is handled completely by the heat pump, without the need fo r auxi liary heat. The heat pump starts only after the setpoi nt has risen above the sensed temperature and is locked on un til the comfort setpoi[...]

37 68-0173—3 outdoor temperature, humidity , current setpoint, system mode, alarm out on High-Low temperatu re, filter status and equipment failure. See separate instructions on CM8900A and W88735B fo r more detailed informa tion. Minimum-Off Timing A minimum-off timer in the Co mfort Center™ control systeml assures that the cooling compressor [...]

68-0173—3 38 dehumidification requirement is still not met, cooling start s again. This switching continues until the dehumidification and cooling setpoints are met. This feature assures that the occupants do not experience excessive temperature drop due to the need for d ehumidification. CO 2 Monitor When a CO 2 monitor is configured and in stal[...]

39 68-0173—3 setup mode for a few seconds. After the RUN key is pressed, the discharge air temperature is displ ayed when the CHECK key is pressed (until another power outage occurs). NOTE: When a discharge a ir temperature sensor is in stalled and configured in an applicatio n, we recommend interrupting the power supply briefly before leaving th[...]

68-0173—3 40 TROUBLESHOOTING See Fig. 41 for troubleshooting proced ures. Fig. 41. T rouble shooting pr ocedures. 1. PRESS THE CHECK KEY. PC8900 DISPLAY SHOWS: WRONG DISCHARGE AIR SENSOR IS INSTALLED. • CHECK THAT C7100 DISCHARGE AIR SENSOR IS BEING USED. • CHECK THAT C7100 DISCHARGE AIR SENSOR IS BEING USED. WRONG DISCHARGE AIR SENSOR IS INS[...]

41 68-0173—3 Fig. 41. T rouble shooting pr ocedures ( Continued ). • RECONFIGURE PC8900 FOR LOCAL SENSOR ONLY. PC8900 CONFIGURED FOR OUTDOOR TEMPERATURE SENSOR, BUT NOT INSTALLED. • CHECK THAT C7189 REMOTE TEMPERATURE SENSOR IS BEING USED. WRONG REMOTE SENSOR IS INSTALLED. • CHECK WIRING OF SENSORS AND COMPARE TO SENSOR HOOKUP DRAWINGS. TEM[...]

68-0173—3 42 Fig. 41. T rouble shooting pr ocedures ( Continued ). M18743 TEMPERATURE CHANGES OCCUR AT THE WRONG TIMES. PC8900 PROGRAMMED INCORRECTLY. • CHECK THE PROGRAM TIMES FOR THE PERIOD IN QUESTION. BE SURE THAT AM AND PM INDICATIONS ARE CORRECT. MAKE SURE THE CURRENT DAY AND TIME ARE CORRECT. REPROGRAM IF NECESSARY. PRESENT SETTING APPEA[...]

43 68-0173—3 Fig. 41. T rouble shooting pr ocedures ( Continued ). • CHECK SYSTEM FUSE OR CIRCUIT BREAKER AND REPLACE OR RESET IF NECESSARY. • CHECK THAT COOL SYSTEM POWER IS ON. • CHECK FOR LOOSE CONNECTIONS AT PC8900, W8900, C7189, OR EQUIPMENT. • RECONFIGURE PC8900 FOR HUMIDITY CONTROL IN HEATING (APPLIES TO W8900A,B ONLY). PC8900 IS C[...]

68-0173—3 J.H. Rev . 04-01 www .honeywell.com/your home Home and Building ControlHo me and Building Control Honeywell Asia Pacifi c Inc.Honeywell Europe S.A.Hon eywell Latin American Honeywell Honeywell Limited-Honeywell Limi tée Room 321 3-3225 3 Avenue du Bourget Region 1985 Douglas Drive North 3 5 Dynamic Drive Sun Hung Kai Centre 1140 Brusse[...]