Honeywell Q539A User's Manual
Contents
1. Honeywell THE Q539 SUBBASES PROVIDE COOLING ANTICI PATORS WIRING TERMINALS AND MOUNTING BASES FOR T87F THERMOSTATS MOST ALSO PROVIDE SYSTEM AND FAN SWITCHING FOR HEATING COOLING AND HEATING COOLING THERMOSTATS 0 Screw terminals for electrical connections are letter coded for quick accurate installation O Shunt type carbon heater provides cooling anticipa tion for close temperature control J Guide posts assure mounting and leveling necessary to maintain thermostat calibration Fan and system switch levers available on most models located at top edge for convenient control Indicator LED available on most models 1 Mount directly on wall or on standard outlet box with accessory wallplate L Q539P with indicator LED for oil primary systems HEAT only D T Form Number 60 2246 4 Rev 10 89 Honeywell Inc 1989 THERMOSTAT SUBBASES Q539A B C G H J P IMPORTANT THE SPECIFICATIONS GIVEN IN THIS PUBLICATION DO NOT INCLUDE NORMAL MANUFACTURING TOL ERANCES THEREFORE THIS UNIT MAY NOT MATCH THE LISTED SPECIFICATIONS EXACTLY ALSO THIS PRODUCTIS TESTED AND CALIBRATED UNDER CLOSELY CONTROLLED CONDITIONS AND SOME MINOR DIFFERENCES IN PERFORMANCE CAN BE EXPECTED IF THOSE CONDITIONS ARE CHANGED TRADELINE MODELS TRADELINE models are selected and packaged to provide ease of stocking ease of handling and maximum replacement value Specifications of TRADELINE models are the sam2. AS REQUIRED M40256 Fig 9 Q539G IN HEATING APPLICATION WITH Fig 10 Q539H IN HEATING COOLING APPLICATION AUTOMATIC FAN OPERATION AND AUTOMATIC FAN OPERATION SWITCHING Q539J T87F FIXED COOL ANTICIPATOR N X TERMINAL IS USED ON Q539 MODELS WITH FACTORY INSTALLED ELECTRIC HEATING INDICATOR LED HEAT BELAY eso WITH NO O TERMINAL LOAD THERMOSTAT CURRENT DURING HEATING a USED CYCLE VARIES DEPENDING ON WHETHER FAN SWITCH IS IN THE ON OR AUTO POSITION HEATER SHOULD BE SET FOR COMBINED CURRENT LEVEL OF HEAT RELAY AND FAN RELAY COILS WITH O TERMINAL LOAD SET THERMOSTAT HEAT ANTICIPATOR TO ITS MAXIMUM SETTING AS COOLING ANTICIPATOR IN SERIES WITH O TERMINAL LOAD PROVIDES HEAT ANTICIPATION IN THE HEATING CYCLE LIMIT THE THERMOSTAT HEATING LOAD CURRENT TO 0 8 AMPS TO ASSURE GOOD PERFORMANCE AN POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M1024B Fig 11 Q539J IN HEATING COOLING APPLICATION WITH AUTO FAN OPERATION Q539P T87F INDICATOR LED OIL PRIMARY A A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M1029A Fig 12 Q539P IN HEATING ONLY SYSTEM WITH REMOTE LOCKOUT INDICATION MOLDED POST 2 MOUNTING HOLES 2 lt VERTICAL PLUMP LINE OPENING FOR THERMOSTAT WIRING VERTICAL GUIDE M 342 Fig 13 LEVEL Q539 USING A SPIRIT LEVEL OR PLUM LINE dimensions are in in mm NOTE When adding
3. switching and cooling anticipation to control heating and cooling applications Q539A1014 Q539A4026 for single heating and cooling transformer applications Q539A 1022 with impedance relay reset switch Q539A1022 with indicator LED for impedance relay reset switch Q539A1022 with impedance relay reset switch for heat pump applications Q539A1121 with special resistor for gas air conditioning applications Q539A1147 Q539A4000 for applications with isolated heating and cooling circuits Q539A1162 used with W884 Comfort Control Center only Q539A1196 with terminal isolated on heating for external low voltage fan switch Q539A1394 with indicator LED for oil burner applications Q539B1005 with system switching and cooling anticipation for heating and cooling applications No fan switching Q539C 1020 Q539C4008 with system and fan switching and cooling anticipation for cooling only applications Q539G1000 with system and fan switching for control of heating only system No cooling anticipator Summer fan operation available Q539H1009 with fan switching cooling anticipation and Z terminal for remote AUTO FAN switching No system switching Q539J1006 Q539J4000 with system switching and cooling anticipation for electric heat and heat pump applications Fan relay controls AUTO FAN operation TABLE 1 MODEL SPECIFICATIONS SYSTEM FAN JE WIRING
4. ND LONG ENOUGH TO JOIN BOTH TERMINALS FIG 5 JUMPER AND TERMINALS FOR COMMON HEATING COOLING TRANS FORMER IN Q539A1147 Q530A T87F PRIMARY HEATING COOLING Mmm TRANSFORMER TRANSFORMER A A N POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED iod POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A LOW VOLTAGE EXTERNAL FAN SWITCH FOR CONTROL OF AUTO FON PORNO EAM M10258 FIG 7 Q539A IN HEATING COOLING APPLICATION FIG 6 Q539A IN TYPICAL HOOKUP WITH INDICATOR LED Q539A T87F ANTICIPATOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED X TERMINAL USED ON 0539 MODELS WITH FACTORY INSTALLED INDICATOR LED nsn FIG 8 0539 IN COOLING ONLY APPLICATION 7 60 2246 4 Q539G T87F INDICATOR LIGHT FIXED COOL ANTICIPATOR REMOTE NHEAT SYSTEM SWITCH COOL AN POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A JUMPER FOR AUTO FAN IN ELECTRIC HEAT APPLICATIONS IF JUMPER IS USED MEASURE COMBINED HEAT RELAY AND FAN RELAY CURRENT RATINGS N X TERMINAL IS USED ON Q539 MODELS WITH FACTORY INSTALLED A RECOMMENDED HEAT ANTICIPATOR SETTING IS THE COMBINED saphi MSN CURRENT DRAW OF THE FAN RELAY AND HEAT RELAY AS THE FAN RELAY CURRENT PASSES THROUGH THE HEAT ANTICIPATOR M2162 A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
5. OVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED N X TERMINAL IS USED Q539 MODELS WITH FACTORY INSTALLED INDICATOR LED A CONNECT VALVE OR RELAY TO O FOR CHANGEOVER IN COOLING OR B FOR CHANGEOVER IN HEATING AX POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED J X TERMINAL IS USED ON Q539 MODELS WITH FACTORY INSTALLED INDICATOR LED ISOLATING RELAY RECOMMENDED HEAT ANTICIPATOR SETTING ON HEAT PUMPS IS 140 OF THE TOTAL COMBINED CURRENT DRAW OF THE FAN AND COMPRESSOR RELAYS STANDARD HEATING SYSTEMS CYCLE AT 5 TO 6 CPH AND HEAT PUMP SYSTEMS CYCLE AT 2 5 TO 3 CPH ON M1021B EITHER HEATING OR COOLING TANE J VALVE OR RELAY WITH SEPARATE POWER SUPPLY MAY BE USED IN PLACE OF OIL PRIMARY AS SHOWN BY BROKEN LINE FIG 2 Q539A B IN HEATING COOLING APPLICA TION WITH DAMPER MOTORS AND FIG 3 Q539A IN HEAT PUMP APPLICATION ISOLATION RELAY Q539A1147 T87F A ee eae ANTICIPATOR COOLING EUM CONTACTOR bem AN POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A VALVE OR RELAY WITH SEPARATE POWER SUPPLY MAY BE USED IN PLACE OF OIL PRIMARY AS SHOWN BY BROKEN LINE VALVE _ A THIS SUBBASE THERMOSTAT COMBINATION IS ALSO USED WITH OR RELAY ELECTRIC HEATING COMPONENTS OR PANELS USING BOTH AC AND DC CONTROL CIRCUITS M2164 FIG 4 Q539A1147 IN HEATING COOLING APPLICATION WITH ISOLATED CIRCUITS EXAMPLE FOR Rc TO RH JUMPER STRIP WIRE E
6. SWITCHING SWITCHING E eem dpst and dp3t spdt COOL OFF HEAT ON AUTO Fig 1 Fig 2 COOL OFF ON AUTO XIX Fig 1 HEAT RESET Fig 2 COOL OFF ON AUTO XIXI XIX Fig 1 RESET HEAT Fig 2 COOL OFF ON AUTO X X X X Fig 3 RESET HEAT Fig COOL OFF HEAT ON AUTO X X X X Fig 4 Fig 5 nene Fig 2 COOL OFF HEAT X X Fig 1 Fig 2 ii uu i kall uu m T continued on next page ig 7 T ig 9 g 10 g 11 3 60 2246 4 Table 1 continued SYSTEM FAN MODEL AND DESCRIPTION SWITCHING Q539J1022 is the same as Q539J1006 for use in W884E Comfort Control Center only SUBBASE TERMINALS Wi RING SWITCHING Y R DIAGRAM dpst and dp3t spdt Q539P1018 with wiring terminals X X X Fig 12 and indicator LED for heating only oil burner applications aSubbase has 4 terminal which is same as B terminal bR terminal for cooling transformer cDesigner model with textured beige finish dSubbase has 1 terminal in place of Z terminal TABLE 2 TERMINAL DESIGNATIONS TERMINAL CONNECTION R Transformer Cooling transformer Ro Heating transformer W Heating Relay or Valve Y Cooling Contactor B89 4 9 Heating Damper Motor or Changeover Valve if used O Cooling Damper Motor or Changeover Valve G Fan Relay Coil x Clogged Filter Switch or Lockout Switch primary c
7. a subbase to a thermostat with positive OFF make certain the positive OFF switch on the thermostat is in the ON position so the system can be manually controlled from the subbase system switch Wheninstallation is complete turn on power supply and check system operation as follows SUBBASES WITH SYSTEM OR FAN SWITCHING 1 With Q539 system switch or remote system switch set at HEAT and fan switch set at AUTO turn the thermo stat dial at least 5 F 3 C above room temperature Heating should start immediately the fan should start after a short delay immediately with Q539G with jumper or Q539J 2 With Q539 system switch or remote system switch set at COOL and fan switch set at AUTO turn the thermo stat dial at least 5 F 3 C below room temperature Cooling and fan should start External switch must be made in Q539H hookup 3 Set system switch at OFF and fan switch at FAN ON Fan should run continuously Turn thermostat 5 F 3 C below room temperature Heating and cooling equipment cannot be actuated by the thermostat except in system with dpst remote changeover switch 4 Operate entire system at least one complete cycle with switches in each position before leaving installation Turn thermostat dial to the desired setting and move the system and fan switches to their desired positions SUBBASE WITHOUT MANUAL SWITCHES Q539P 1 On Q539P subbase turn thermostat dial 5 F 3 C above room temperatu
8. at heat anticipator LOCATION Locate the subbase about 5 ft 1 5 m above the floor in an area with good air circulation at average temperature Do not mount the subbase where it may be affected by drafts or dead spots behind doors or in corners hot or cold air from ducts radiant heat from the sun fireplaces or appliances concealed pipes and chimneys unheated uncooled areas behind the subbase such as an outside wall MOUNTING AND WIRING Disconnect power supply before beginning installation to prevent electrical shock or equipment damage All wiring must comply with local codes and ordinances 1 replacement applications check the existing sub base wires for cracked or frayed insulation Replace any wires in poor condition If the wire is plastered into the wall make a hole next to the wires and loosen the wires so that Fg TE PI Wh chr NI nas nur ST ons E mU ir they can be pushed back into the wall later 2 In new installations run wiring if necessary to the subbase location 3 Connect the wires to the terminals inside the sub base Refer to equipment manufacturer s instructions for Q539 wiring diagrams If not available refer to Figs 1 through 12 4 Push excess wire back through the hole and plug any opening with insulation to prevent drafts that may affect performance 5 Loosely fasten the thermostat subbase to the wali with a sc
9. e as those of standard models except as noted below Q539A J Thermostat Subbases provide COOL OFF FEATURES HEAT system and AUTO ON fan switching e TRADELINE package with cross reference label Q539C Thermostat Subbase provides COOL OFF and special instruction sheet system and AUTO ON fan switching Textured beige finish designer models available Q539P Thermostat Subbases provide HEAT only on some TRADELINE models and indicator LED for oil primary systems STANDARD MODELS Refer to Table 1 for the general specifications for Q539 installations with separate heating and cooling Thermostat Subbases transformers or for systems requiring thermostat ELECTRICAL RATINGS control of FAN operation Subbase Switches ACCESSORIES Resistive 2A at 30 Vac maximum 1 Part No 129044A Wallplate includes 6 in 152 mm Inductive 1 5 AFL 7 5 ALR at 30 Vac maximum wall ring for mounting Q539 Subbase on outlet box Cooling Anticipator 24 to 30 Vac or for covering old thermostat mounting marks Optional Indicator LED 30 Vac 2 TG587F Thermostat guard protects T87F thermo Terminal Designations Refer to Table 2 stats and Q539 subbases against tampering dam MOUNTING MEANS Two screws provided for wall age and unauthorized adjustment of settings mounting through holes and slots in subbase Use Part No 127293 Wallplate for mounting on an outlet box or THERMOSTAT for covering old thermostat marks T87F Round Thermostat provides temperatu
10. ontrol P Heat Pump Contactor Coil Z Q539H low voltage fan switch for control of fan relay in AUTO position for both heating and cooling control a R1 W1 Y1 or B1 are not marked on thermostat subbase They are mounting posts and electrical con nections for thermostat b Cooling transformer in systems with isolated heating and cooling circuits c Heating transformer in systems with isolated heating and cooling circuits 4 Circuit only completed between R and B with system switch in HEAT position 4 terminal is the same as Honeywell B terminal Circuit only completed between R and O with system switch in COOL position f Only available on subbases with indicator lights a Jumpered to humidity controller in Q539K T87F hookup WHEN INSTALLING THIS PRODUCT 1 Read these instructions carefully Failure to follow instructions can damage product or cause a hazardous condition 2 Check ratings given in instructions and on product to make sure product is suitable for your application 3 Make sure installer is a trained experienced service technician 4 After completing installation use these instructions to check out product operation CAUTION 1 Disconnect power supply before beginning in stallation to prevent electrical shock or equip ment damage On systems using a low voltage gas control never apply a jumper across the control coil terminals This may burn out the thermost
11. re control DIMENSIONS Diameter 3 1 1 16 in 94 mm depth with for 24 to 30 V heating cooling or heating cooling T87F 1 3 4 in 45 mm systems OPTIONAL SPECIFICATIONS 1 Indicator LED available on most models T87F Designer Round Thermostat provides tempera 2 Q539A available with system switches marked ture control for 24 to 30 V heating cooling or heating COOL OFF RESET HEAT cooling systems textured beige finish 3 Models available with isolated heat co l circuits for continued on page 3 WHEN PURCHASING REPLACEMENT AND MODERNIZATION PRODUCTS FROM YOUR TRADELINE WHOLESALER OR YOUR DISTRIBUTOR REFER TO THE TRADELINE CATALOG OR PRICE SHEETS FOR COMPLETE ORDERING NUMBER OR SPECIFY 1 Order number Q539 Subbase TRADELINE if desired 2 Optional Q539 Subbase specifications if desired 3 Accessories if desired IF YOU HAVE ADDITIONAL QUESTIONS NEED FURTHER INFORMATION OR WOULD LIKE TO COMMENT ON OUR PRODUCTS OR SERVICES PLEASE WRITE OR PHONE 1 YOUR LOCAL HONEYWELL RESIDENTIAL SALES OFFICE CHECK WHITE PAGES OF PHONE DIRECTORY 2 RESIDENTIAL DIVISION CUSTOMER SERVICE HONEYWELL INC 1885 DOUGLAS DRIVE NORTH MINNEAPOLIS MINNESOTA 55422 4386 612 542 7500 IN CANADA HONEYWELL CONTROLS LIMITED HONEYWELL LIMITEE 740 ELLESMERE ROAD SCARBOROUGH ONTARIO M1P 2V9 INTERNATIONAL SALES AND SERVICE OFFICES IN ALL PRINCIPAL CITIES OF THE WORL MODEL AND DESCRIPTION Q539A Subbases provide system and fan
12. re to call for heat Heating should start immediately the fan should start after a short delay 2 Turn thermostat dial 5 F 8 C below room tempera ture Heating and fan should shut off 3 Operate the entire system at least one complete cycle before leaving installation Turn thermostat dial to the desired setting 60 2246 4 The Q539 Subbase provides cooling anticipation wir ing terminals mounting base and system and tan switch ing for the T87F Thermostat The Q539 Subbase mounts directly to the wall using two mounting screws The T87F Thermostat mountstothe Q539 Subbase using three captive screws Tightening these screws into the subbase also completes all electrical 10 connections between the subbase and the thermostat The HEAT OFF COOL system switch selects either heating or cooling or turns the system off The FAN ON AUTO fan switch either sets the fan to turn on automatically during heating or cooling or allows the fan to run continu ously 11 Honeywell Inc International Sales Offices in all principal cities of the world Manufacturing in 1885 Douglas Drive N Australia Canada Finland France Germany Japan Mexico Netherlands Qr Golden Valley MN 55422 4386 Spain Taiwan United Kingdom U S A T PRINTED IN U S A QUALITY IS KEY
13. rew through the left mounting hole Adjust the subbase so that it is approximately level and start the second screw through the right mounting slot Do not tighten HEATING RELAY OR HEATING DAMPER MOTOR IF USED M 3108 6 Level the thermostat subbase using a plumb line or spirit level as shown in Fig 13 7 Tighten mounting screws IMPORTANT This thermostat is calibrated at the factory while mounted at true level Any inaccuracy in leveling during mounting causes control point deviation 8 Mount and wire the thermostat to the thermostat subbase by tightening three captive mounting screws on thermostat Tightening the three captive mounting screws completes all electrical connections Q539A T87F ANTICIPATOR AOE FIXED COOL i tss ss ah sss HEATING RELAY OR VALVE IF USED SWITCH l l A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED NO 4 TERMINAL IS SAME AS B TERMINAL X TERMINAL USED ON Q539 MODELS WITH FACTORY INSTALLED INDICATOR LED FIG 1 0539A B C IN HEATING COOLING APPLICATION USING COMMON POWER SUPPLY 60 2246 4 Q539A T87F Q539A T87F INDICATOR FIXED COOL ANTICIPATOR FIXED COOL ANTICIPATOR HEATING DAMPER CHANGEOVER MOTOR IF USED SWITCH SWITCH I OOLING CON TACTOR A J POWER SUPPLY PR
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