Apple 9500/200 Personal Computer User Manual
Contents
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3. WARNING 1 120 Volts may cause serious injury from electrical shock Sudden operation may cause serious injury from moving parts Leave power disconnected until installation is complete 2 Sharp edges may cause serious injury from cuts Use care when making duct openings and handling ductwork 3 The Aprilaire Zoned Comfort Control System is designed for indoor use only Do not expose any component of the zone control system to moisture Do not mount any Aprilaire Zoned Comfort Control equipment where it may be accessible to children rilaire Fresh Ideas for Indoor Air ZONED COMFORT CONTROL SYSTEM Read this Installation Manual before beginning installation of the Aprilaire Zoned Comfort Control System For questions call Research Products Corporation at 800 334 6011 CAUTION 1 Installation must be done in accordance with all applicable codes 2 Installer should touch a grounded metal object before handling the Aprilaire control panel to avoid potential loss of internal computer programs due to static discharge 3 A zoned comfort control system may not control temperature properly unless the heating and cooling system is properly sized and balanced 4 Insufficient air flow or excessive temperatures through the heating and cooling system could result in equipment damage Refer to the manufacturer s recommendations for minimum safe airflow and temperature requirements 5 Excessive pressure across a bypass e
4. 52 PLENUM TEMPERATURE SENSOR provided IMPORTANT Do not mount the sensor in direct line of sight of the heat exchanger ZONED COMFORT CONTROL cooling coils or UV lights as they may cause the sensor to report false temperature MOUNT PLENUM SENSOR IN readings SHADED AREA e Locate the sensor in the supply trunk after the heat exchanger and cooling coils and before the zone dampers shaded areas See Figure 2 e Mount the 8052 Sensor according to Installation Instructions provided with the sensor e Wire the 8052 Sensor to the Plenum Sensor terminals on the zoned comfort control panel before power is applied to control panel e Measure the resistance across the Plenum Sensor terminals before power is applied to the panel and confirm that it roughly corresponds to the ambient temperature values listed in the table below ZONE DAMPERS Ambient Temperature F Resistance kQ 30 7 8 40 7 2 50 6 6 60 6 0 UPFLOW gt a 70 54 FURNACE 80 4 8 90 4 2 FIGURE 2 100 3 6 e NOTE In order for the control panel to recognize a sensor it must be wired to the panel before power is applied 3 PROVIDE CONTROL SYSTEM POWER Install a transformer separate from the transformer provided for the HVAC equipment to provide power for the control panel thermostats and dampers The size of the transformer depends on the greatest number of dampers that will be energized at any
5. EM Use standard 18 or 20 gauge thermostat wire color coded wherever possible to simplify troubleshooting The wiring diagram and the THERMOSTAT SELECTION guide below are to be used to guide you through wiring the system 6 THERMOSTAT SELECTION Any single stage heating and cooling thermostat can be used in zones 1 through 3 Zone 1 only has the option of using a single stage heat pump thermostat with an 0 terminal Each thermostat must be capable of being turned off either through subbase or as a function of the thermostat Thermostat Requirements THERMOSTAT TERMINALS R 24V hot RECOMMENDED THERMOSTATS W 1st Stage Heat Y 1st Stage Cool G Fan Aprilaire 8344 8363 or 8570 See Note THERMOSTAT TERMINALS R 24V hot RECOMMENDED THERMOSTATS 0 Reversing Valve cool W Auxiliary Heat Aprilaire 8346 8365 or 8570 Y Compressor G Fan See Note Type HEAT COOL Zones 1 3 Type HEAT PUMP Zone 1 Only Note The C terminal 24V common in each zone of the control panel can be used for 24 volt powered thermostats Terminal definitions refer to thermostat manufacturer literature for matching terminals 7 SEQUENCE OF OPERATION Heat Cool Thermostat Input Definitions Heat W Cool Y Fan G Heat Pump Thermostat Input Definitions Heat Y Cool Y 0 Fan G Aux Heat Y W Emergency Heat W Fan Operation A call for Fan from any zone will initiate the G equipment output terminal The N
6. O contact of the damper terminal for a zone not calling for Fan also energizes while the NC contact de energizes Heating Operation When a zone makes a call for heat the B Y and G output terminal will energize The NO contact of the damper terminal for any zone not calling for Heat also energizes while the NC contact de energizes Following a 4 minute minimum on time the Y terminal will de energize when 1 all zones stop calling for heat 2 the call has exceeded the heat cool changeover time limit while a cooling call exists or 3 the call is interrupted by the high limit setting Any energized damper terminals remain energized for a one minute purge if set to PURGE or a 3 5 minute purge if set to NO PURGE Should the same call exist for 20 minutes the W terminal will also energize if set to ELECTRIC or the W terminal will energize immediately after the Y and G terminals de energize if set to GAS Following a 2 minute minimum on time if set to GAS or immediately if set to ELECTRIC the W terminal will de energize at the end of the heat call When the W terminal is de energized it has a 4 minute minimum off time if set to GAS or no minimum off time if set to ELECTRIC When the Y terminal is de energized a minimum off time delay of 4 minutes must elapse before it can energize again The B terminal remains energized until there is a call for cooling Cooling Operation When a zone makes a call for Cooling the 0 Y an
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8. d G terminals will energize The NO contact of the damper terminals in any zone not calling for Cooling also energizes while the NC contact de energizes Following a 4 minute minimum on time the Y terminal de energizes when 1 all zones stop calling for cooling 2 the call has exceeded the heat cool changeover time limit while a heat call exists or 3 the call is interrupted by the low limit setting The G terminal and any energized damper terminals remain energized for a one minute purge delay if set to PURGE If set to NO PURGE the G terminal de energizes immediately and any energized damper terminals remain energized for a 3 5 minute purge delay When the Y terminal is de energized a minimum off time of 4 minutes must elapse before it can be energized again The 0 terminal remains energized until there is a call for heat Emergency Heat Operation Thermostat control of Emergency Heat only exists in Zone 1 when a Heat Pump thermostat is installed In this case the first call for Emergency Heat sets the system to the Emergency Heat mode of operation All subsequent calls for heat by other zones are recognized as Emergency Heat calls until Zone 1 calls for normal heat or cooling If Zone 1 is configured as a heat cool thermostat Emergency heat can only be initiated by turning the E HEAT switch on the zone control panel to the ON position When the E HEAT switch is in the ON position all calls for normal heating will be recognized as Eme
9. given time If more than 6 dampers could be powered at one time install dedicated damper transformers and a Model 8028 Damper Power Distribution Panel Use the table below to size the added transformer s Aprilaire Flexible Link Dampers require 12 VA per damper Multiply the number of dampers by 12 and select a transformer that meets or exceeds this value The table below illustrates Highest Number of Powered Dampers VA Required Select Transformer 3 or Less 36 VA or less 40 VA 4 48 VA 50 VA 5 60 VA 75 VA 6 72 VA 75 VA 7 or More No of Dampers 12 75 VA 40 VA 3 Dampers 4 SET UP THE CONTROL PANEL FOR THE APPLICATION Z1 21 HP is set according to the type of thermostat installed in Zone 1 If a heat cool thermostat is used Zone 1 place the pin jumper block on the left two pins Z1 HC While set as Z1 HC emergency heat can only be controlled with the on board E HEAT switch If a heat pump thermostat is used in Zone 1 place the pin jumper block on the right two pins Z1 HP Using a heat pump thermostat in Zone 1 allows for emergency heat control from the Zone 1 thermostat e GAS ELECTRIC refers to the auxiliary heat source If gas or propane or oil heat is to be used place the pin jumper block on the left two pins GAS This will allow the auxiliary heating equipment to control the fan operation through the use of a plenum switch If electric heat is to be used place the pin jumper block on the r
10. ight two pins ELECTRIC e PURGE NO PURGE determines whether the zone control panel or the equipment will control the fan purge If set to PURGE pin jumper block on left two pins the G terminal and any energized damper terminals will remain energized for a one minute purge delay following the completion of a cool call regular heat call or an electric auxiliary heat call If set to NO PURGE pin jumper block on right two pins the terminal will de energize immediately and any energized damper will remain energized for 3 5 minutes following the completion of a call The NO PURGE setting is designed for use with systems where the equipment has a built in fan purge e HT 160 120 If using a plenum temperature sensor this jumper controls the temperature at which the heating equipment will cut out to prevent overheating Set the high limit temperature that is appropriate for the equipment being used For a high limit temperature of 160 F place the pin jumper block on the left two pins HT 160 For a high limit temperature of 120 F place the pin jumper block to the right two pins 120 e CL 45 40 If using a plenum temperature sensor this jumper controls the temperature at which the cooling equipment will cut out to prevent freezing the indoor coil For a low limit temperature of 45 F place the pin jumper block on the left two pins CL 45 For a low limit temperature of 40 F place the pin jumper block to the right two pins 40 5 WIRE THE SYST
11. opposing call is being answered in another zone Onboard E HEAT switch in the OFF position Heat Cool TSTATS installed in all zones Missing jumper between equipment RH amp RC required for single transformer systems Equipment interrupt due to high low temperature limit Zone 1 W terminal not energized or energized with Y terminal CAUSE SYMPTOM Normal Flashing LED not flashing No Heat call or Cool call Won t stop calling Heat calls being satisfied with Emergency Heat No Emergency Heat Call 1 dWNd WAH 39 LON LSNW LVLSOWYSHL 2 ANOZ 0 68 udy Z S 9 8 L SHNOZ SLVLSOWYSHL 1009 LV3H GAGNSWNO93Y b NWA 1009 10 1Y3H i a e YO z 7 se Je SOWJ9Y 41 LVLSOWYAHL LYH 1VLSOW N3HL b INOZ 2 8208 TAGOW SNOILONUYLSNI JHL OL ONIGHODOV JAIM TANVd NOILNAIXLSIA YIMOd YAdNVG 8208 73QON Y ANY 5 1 TIVLSNI INIL ANO LV SYAdNVG 9 NYHL AYOW 51 SdWY SI TANVd 3NOZ JHL HONOYHL GSHOLIMS 39 NVO 40 LNNOWY WAWIXYN SHL ALON 9
12. rgency Heat calls The system will remain in Emergency Heat mode until the E HEAT switch is moved to the OFF position at which point calls for heat will once again be answered with normal heating When a call for Emergency Heat is recognized the Y terminal will de energize if energized after a 4 minute minimum on time after which the B and W terminals and G terminal if set to ELECTRIC will energize Following a 2 minute minimum on time if set to GAS or immediately if set to ELECTRIC the W terminal will de energize when 1 all zones stop calling for heat 2 the call has exceeded the heat cool changeover time limit while a cooling call exists or 3 the call is interrupted by the high limit setting Any energized damper terminals remain energized for a one minute purge if set to PURGE or a 3 5 minute purge if set to NO PURGE When the W terminal is de energized it has a 4 minute minimum off time if set to GAS or no minimum off time if set to ELECTRIC Heat Cool Changeover When a call for heat cool exists and an opposing call is made from another zone a changeover time limit of 20 minutes begins at the time that the opposing call is made If the original call is not satisfied within that 20 minute time period the call will be interrupted turning the equipment off and allowing for the normal fan purge cycle and minimum equipment off time The opposing call will then be answered After 20 minutes if the original call still exists the oppo
13. sing call will be interrupted and the original call can once again be recognized High Low Limit Temperature The high low limit temperature settings are designed to prevent the heat exchanger from overheating or the cooling coil from freezing An 8052 Sensor mounted in the supply duct senses the delivered air temperature and interrupts the heating cooling equipment depending on the Heat and Cool temperatures set on the control panel before overheating freezing occurs When a heating cooling call is interrupted by the high low temperature limit the zone control panel turns the equipment off and energizes the G terminal if not already energized Once the temperature drops rises 10 F the equipment is turned back on if the call for conditioning still exists Heat mode all heat calls from other zones will be TROUBLESHOOTING satisfied with Emergency Heat until Zone 1 makes a compressor call normal heat or cool call Onboard E HEAT switch is in the ON position and all calls for heat answered with Emergency Heat Minimum on time delay in effect 2 minutes for heat 4 minutes for cool Heat Pump TSTAT installed in Zone 1 If Zone 1 is in Emerg No power to control panel check power wiring TSTATS not operating properly If Zone Tis set up as a heat pump thermostat it requires an Yfor cool call and Y for a heat call 4minute minimum off time delay in effect push TDO Heat Cool Changeover limit in effect and an
14. vaporative type humidifier may cause high air velocity in the humidifier resulting in water being blown into the ductwork Refer to Design Guide for humidifier installation instructions 6 Install an outdoor thermostat to prevent non seasonal equipment starts if using auto changeover thermostats 7 Do not mount the control panel on any part of the heating cooling equipment or ductwork 8 Do not install control panel where temperatures exceed 158 F 70 C INSTALLATION CAUTION Installer must touch a grounded metal object before handling the Aprilaire Zoned Comfort Control panel to avoid potential loss of programs due to static discharge 1 MOUNT THE CONTROL PANEL Four holes are provided on the back of the unit for mounting See Figure 1 e Mount indoors using 8 or 10 screws field supplied e Mount in location where the temperature will not exceed 158 F and will not drop below freezing 32 F Do not mount on foundation walls on the HVAC equipment or ductwork These locations can cause the enclosure to become cooler than the surrounding air which can cause moisture to condense on the enclosure MOUNTING HOLE 2 PLACES aN FIGURE 1 ENCLOSURE BASE L BOARD MOUNTING HOLE 2 PLACES _ THROUGH THE WALL WIRING HOLE 2 PLACES 8 SCREWS Field Supplied ENCLOSURE COVER 2 MOUNT THE 80
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