B80U ommercial VisionPO Programmable hermostat PPIION INSION INSUIONS he B80U Programmable hermostat provides electronic control of 4 Vac heating and cooling systems. See able for a description. able. B80U hermostat Description. Feature Description Powering Methods Battery only Direct connection to a 4 Vac transformer only Direct connection to a 4 Vac transformer with battery backup System ypes onventional (up to Heat, ool stages) Heat Pump (up to Heat, ool stages) hangeover Manual or automatic changeover (selectable) System Setting Heat-Off-ool-uto Fan Setting uto-on MEU NOIE If this control is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Dispose of properly. Select hermostat ocation Select a location for the thermostat about 5 ft (.5m) above the floor in an area with good air circulation at average temperature. See Fig.. ontact your local waste management authority for instructions regarding recycling and the proper disposal of an old control. INSION ES NO hen Installing this Product.... ead these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition.. heck ratings given in instructions and on the product to ensure the product is suitable for your application.. Installer must be a trained, experienced service technician. 4. fter installation is complete, check out product operation as provided in these instructions. UION Electrical Shock or Equipment Damage Hazard. an shock individuals or short equipment circuitry. Disconnect power supply before installation. NO NO 5 FEE [.5 MEES] Fig.. Select thermostat location. M58 Do not install the thermostat where it can be affected by: Drafts or dead spots behind doors and in corners. Hot or cold air from ducts. adiant heat from sun or appliances. oncealed pipes and chimneys. Unheated (uncooled) areas such as an outside wall behind the thermostat. 6-070
B80U OMMEI VISIONPO POMMBE HEMOS Separate allplate from hermostat. Separate the wallplate from the thermostat. See Fig.. PE IE HOE NOES: Sensor wires must have a cable separate from the thermostat control cable. efer to able for terminal designation descriptions. See Fig. 7 through 7 for wiring diagrams for specific equipment applications.. Select set of terminal identifications that correspond to your system type (conventional or heat pump). (See Fig. 4). HE PUMP ONVENION HEMOS M67 Fig.. Separate wallplate from thermostat. S S S S O/B Install allplate (See Fig. ) Mount the thermostat horizontally on the wall:. Pull the wires through the wire hole on the wallplate.. Position the wallplate on the wall with the arrow pointing up. evel the wallplate for appearance only.. Use a pencil to mark the mounting holes. 4. emove the wallplate from the wall and drill two /6 in. holes in the wall (if drywall) as marked. For firmer material such as plaster, drill two 7/ in. holes. ap the wall anchors (provided) into the drilled holes until flush with the wall. 5. Pull the wires through the wire hole on the wallplate and position the wallplate over the wall anchors. 6. Insert the mounting screws into the wall anchors and tighten. SE EMINS M780 Fig. 4. erminal identifications for system type.. oosen screw terminals used for the application.. Insert the wires into the terminal block and tighten each screw terminal. See Fig. 5. IES HOUH ND IE SO NHOS () M997 Fig. 5. Insert wires into terminal block. 4. Push excess wire back into the wall opening and restrict wires to the shaded area. See Fig. 6. 5. Plug the wall opening with nonflammable insulation to prevent drafts from affecting the thermostat. MOUNIN HOES IE PE MOUNIN SES () M996 Fig.. Install wallplate. IIN IMPON ll wiring must agree with applicable codes, ordinances and regulations. Use 8 gauge thermostat wire. Shielded cable is not required. OPENIN SHDED E M66 Fig. 6. estrict wires to shaded area of wire hole. 6-070
B80U OMMEI VISIONPO POMMBE HEMOS erminal Designation c (see Note ) (see Note ) (see Note ) O/B (see Note ) (see Note 4) S (See Note 5) S (See Note 5) able. erminal Designation Descriptions. Description Power for cooling connect to secondary side of cooling system transformer. Power for heating connect to secondary side of heating system transformer. ompressor output. ommon wire from secondary side of cooling system transformer. Heat relay. Fan relay. Second stage heat relay. Second stage cooling. hangeover valve for heat pumps. Economizer/ime-Of-Day (OD) output powered via terminal. Optional outdoor or indoor remote sensor. Optional outdoor or indoor remote sensor. Powers red ED behind plastic in upper right corner of the thermostat. NOES:. hen used in a single-transformer system, leave metal jumper wire in place between c and. If used on a two-transformer system, remove metal jumper wire between c and.. ommon wire is optional when thermostat is used with batteries. hen using separate transformers for heating and cooling, the common must come from the cooling transformer.. If thermostat is configured for a heat pump in the Installer Setup, configure changeover valve for cool (O-factory setting) or heat (B). 4. eference economizer literature for wiring details. hen set for economizer operation, the terminal provides the occupancy signal. (Power indicates occupied.) 5. Sensor wires must have a cable separate from the thermostat control cable. erminal iring Details for Economizers ire the terminal to the 7 N terminal, or the 7459 terminal. hen using dual transformers at the thermostat, the heating transformer must power the economizer. he signal is powered from the terminal and energizes the economizer to signal occupied status and drive the damper to the set minimum position. able. iring Diagrams. System ype allplate erminal Identifications iring Diagram Figure Standard Heat/ool onventional 7, 8 Heat Only onventional 9 Heat Only with Fan onventional 0 ool only onventional Standard Multistage onventional, up to Heat/ ool Heat Pump Heat Pump 4, 5 (No uxiliary Heat) Heat Pump Heat Pump 6, 7 (with uxiliary Heat) Multiple 7770 Sensors 8, 9, 0 Multiple 789U Sensors 6-070
B80U OMMEI VISIONPO POMMBE HEMOS onventional System iring OUDOO/INDOO SENSO S S EONOMIZE FN E OMPESSO ONO HE E POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. M78 4 V OUDOO/INDOO SENSO S S HE E EONOMIZE POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. M78 Fig. 9. ypical hookup of heat-only system. 4 V Fig. 7. ypical wiring of single transformer H/ system. S S 4 V S S OUDOO/INDOO SENSO HE E EONOMIZE FN E 4 V OUDOO/INDOO SENSO EONOMIZE FN E OMPESSO ONO HE E 4 V POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. M784 Fig. 0. ypical hookup of heat-only system with fan. EMOVE FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. HEN USED, HE OMMON MUS ONNE O HE OOIN NSFOME SEOND. M78 Fig. 8. ypical hookup of dual transformer H/ system. S S 4 V OUDOO/INDOO SENSO FN E OMPESSO ONO EONOMIZE POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. M785 Fig.. ypical hookup of cool-only system. 6-070 4
B80U OMMEI VISIONPO POMMBE HEMOS OUDOO/INDOO SENSO S S HE E EONOMIZE OO E FN E POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. Fig.. ypical hookup of single transformer multistage system (up to H/). OO E HE E 4 V M786 OUDOO/INDOO SENSO S S HE E EONOMIZE OO E FN E POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. EMOVE FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. HEN USED, HE OMMON MUS ONNE O HE OOIN NSFOME SEOND. M787 Fig.. ypical hookup of dual transformer multistage system (up to H/). OO E HE E 4 V 4 V 5 6-070
B80U OMMEI VISIONPO POMMBE HEMOS Heat Pump System iring S S O/B 4 4 V S S O/B 4 4 V OUDOO/INDOO 5 SENSO EONOMIZE OMPESSO ONO HNEOVE VVE FN E OUDOO/INDOO 5 SENSO UXII HE E FN E OMPESSO ONO HNEOVE VVE EONOMIZE POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. 4 "O/B" EMIN SE O ONO S EIHE "O" O "B" IN HE INSE SEUP. 4 "O/B" EMIN SE O ONO S EIHE "O" O "B" IN HE INSE SEUP. 5 OPION OUDOO O INDOO EMOE SENSO. VIBE ON SEE MODES. IES MUS HVE BE SEPE FOM HE HEMOS BE. M788 5 OPION OUDOO O INDOO EMOE SENSO. VIBE ON SEE MODES. IES MUS HVE BE SEPE FOM HE HEMOS BE. M790 Fig. 4. ypical hookup of single-stage heat pump with no auxiliary heat (H/). Fig. 6. ypical hookup of single-stage heat pump with auxiliary heat (H/). S S O/B 4 4 V S S O/B 4 4 V OUDOO/INDOO 5 SENSO EONOMIZE OMPESSO HNEOVE VVE FN E OMPESSO OUDOO/INDOO 5 SENSO UXII HE E EONOMIZE FN E OMPESSO HNEOVE VVE OMPESSO POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. POE SUPP. POVIDE DISONNE MENS ND OVEOD POEION S EQUIED. FO INSED JUMPE. FO INSED JUMPE. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. HEN USIN BEIES, HE 4V OMMON ONNEION IS OPION. 4 "O/B" EMIN SE O ONO S EIHE "O" O "B" IN HE INSE SEUP. 4 "O/B" EMIN SE O ONO S EIHE "O" O "B" IN HE INSE SEUP. 5 OPION OUDOO O INDOO EMOE SENSO. VIBE ON SEE MODES. IES MUS HVE BE SEPE FOM HE HEMOS BE. M789 5 OPION OUDOO O INDOO EMOE SENSO. VIBE ON SEE MODES. IES MUS HVE BE SEPE FOM HE HEMOS BE. M79 Fig. 5. ypical hookup of multistage heat pump with no auxiliary heat (H/). Fig. 7. ypical hookup of multistage heat pump with auxiliary heat (H/). 6-070 6
Sensor iring for emperature veraging B80U OMMEI VISIONPO POMMBE HEMOS 7770 SUBBSE S S 7770 SUBBSE S S 7770006 4 777000 7770 7770 7770006 M8 Fig. 8. iring four 7770006 (0K ohm) Sensors. SUBBSE S S HE 777000 IS 0K OHM SENSO. M94 Fig. 0. iring two 7770006 (0K ohm) Sensors and one 777000 (0K ohm) sensor to provide a temperature averaging network 4 4 777000 777000 S S 789 789 HE 777000 IS 0K OHM SENSO. M9 789 789 Fig. 9. iring two 777000 (0K ohm) Sensors to provide a temperature averaging network. IES MUS HVE BE SEPE FOM HE HEMOS BE. M95 Fig.. iring four 789U (0K ohm) Sensors to provide a temperature averaging network. 7 6-070
B80U OMMEI VISIONPO POMMBE HEMOS POE HE HEMOS ou can choose from three methods to power the thermostat: Batteries only ( alkaline). 4 Vac direct connection only. 4 Vac direct connection with battery backup ( alkaline). iring 4 Vac ommon Single-ransformer System onnect the common side of the transformer to the screw terminal of the thermostat wallplate. eave the metal jumper wire in place between c and. wo-ransformer System onnect the common side of the cooling transformer to the screw terminal of the thermostat wallplate. emove the metal jumper wire between c and. Installing Batteries. Install three alkaline batteries on the back of the thermostat as marked. See Fig.. IMPON his tab must be removed in order to set the real-time clock. EMOVE B EMOVE DUIN INSION EMOVE DUIN INSION Fig.. emove tab labeled EMOVE from thermostat back. M990 BEIES () M998 Setting alendar and ime Setting alendar his thermostat is designed to, under normal use, automatically keep current time and day in memory for up to ten years once the calendar is set. here are two ways to set the calendar for this thermostat: SEIN END HEN HEMOS IS FIS POEED hen the thermostat is first powered, the display is ready to set the calendar and time. he thermostat proceeds through a sequence of setup screens. See Fig. 4. Fig.. Installing batteries.. ocate and remove the tab labeled emove. See Fig.. SEIN END FE HEMOS IS ED FUNIONIN See steps through 4, in the dvanced Settings section, to set year, month and day. SE UEN D SE MONH MON UE ED HU FI S SUN MON ED HU FI S SUN OK O PIK MUIPE DS SEEN OKED HNE FIE UV MP HUMIDIFIE PD OK O PIK MUIPE DS SEEN OKED HNE FIE UV MP HUMIDIFIE PD PM DONE DONE USE OS O SE E ND IME M76 Fig. 4. Setting calendar and time after initial powerup. 6-070 8
B80U OMMEI VISIONPO POMMBE HEMOS Mount hermostat to allplate. lign the terminal screw blocks with the pins on the back of the thermostat.. Push the thermostat straight onto the wallplate until it snaps into place. See Fig. 5. dvanced Settings he thermostat has advanced settings to match the HV system. hese settings can be adjusted to match specific needs. ccess to these settings is obtained as follows:. From the main screen, press SSEM. Five blank touch keys show on the bottom of the screen between DONE and NE.. Press and hold the two blank keys on either side of the center blank key for approximately five seconds. (See Fig. 6.). he Setup Number displays to the lower-left area of the screen. It is a four-digit code beginning with zero. he current setting is displayed to the right. NOE: o cycle through the Setup Numbers, press the up or down arrow. EMOVE DUIN INSION M999 Fig. 5. Mount thermostat to wallplate. INSE SEUP NUMBES, SEINS, ND ESS (BE 4) Installer System ests Use the Installer System est to test the heating, cooling and fan. efer to the latter portion of able 4. MO U E H F S SU SSE M EM HE OFF Inside Set o Following Schedule UION Equipment Damage Hazard. Minimum compressor off time is bypassed during Installer System est void cycling compressor quickly. DONE N IMPON Use Installer System est to test heating, cooling and fan. he setting chosen for System ype (Installer Setup Number 070) can prevent some System est Numbers from appearing. M99 Fig. 6. Entering Installer Setup. Installer Setup Number Installer Setup Name able 4. Installer Setup Menu. Default Setting ll Settings Notes 00 Date (ear Upper) 0 0 0xx vailable year range: 00-78 xx 00 Date (ear ower) 04 00-99 vailable year range: 00-78 040 Date (Month) 6-050 Date (Day) 5 - (Month Dependent) 9 6-070
B80U OMMEI VISIONPO POMMBE HEMOS Installer Setup Number Installer Setup Name 060 Schedule Options 4 0 Non-Programmable 4 Programmable 070 System Selection 8 H/ onv H/ HP H w/o fan 4 H with fan 6 7 H/ HP 8 H/ onv 9 H/ onv 0 H/ onv H/ HP H/ HP 075 OD/Economizer output (terminal ) 0 0 Unused OD Economizer 080 Heat Fan Operation 0 0 Fossil Electric 085 Pre-occupancy Purge Duration 090 eversing Valve O/B 00 ycles Per Hour (PH) for first stage compressor 00 PH for second stage compressor 040 PH for first stage conventional heat 050 PH for second stage conventional heat 060 PH for third Stage Heat 070 PH for uxiliary Heat 080 ontinuous Backlight 0 0 no duration one hour two hours three hours 0 0 O (O/B On ool) B (O/B On Heat) Economizer energizes during a call for cool. OD energizes during Occupied period, and deenergizes during Unoccupied. Only shown for conventional system with heat stages and fan capability selected. If heat pump is selected, fan defaults to electric. Shown only if system has fan and schedule programmable. Pre-occupancy purge enabled by nonzero duration (and sends economizer to minimum position). Only shown with heat pump system selected. -6 Only shown for system with cool stages. Selection in this stage changes default PH of second stage cool. -6 Only shown if two stages of cool selected. 5 - Only shown if system is conventional with heat stages. Selection in this stage changes default PH of second stage heat. 9 - Only shown with at least two stages conventional heat or H/ heat pump selected. 9 - Only shown if H/ heat pump is selected. 9 - Only shown if multi-stage heat pump is selected (heat pump with more heat than cool stages). 0 0 No es 000 hangeover 0 Manual uto 00 Deadband F ( ) 00 emperature Indication Scale able 4. Installer Setup Menu. (ontinued) Default Setting ll Settings Notes 0 0 F (.5) F (.5 ) (.0) F (.0 ) 4 (.5) 4 F (.5 ) 5 (.0) 5 F (.0 ) 6 (.5) 6 F (.5 ) 7 (4.0) 7 F (4.0 ) 8 (4.5) 8 F (4.5 ) 9 (5.0) 9 F (5.0 ) 00 Daylight Saving 0 Disabled Enabled (US 987) Enable (US 007) Enabled (Europe) lways shown. If power not present the option is overridden and normal backlight operation occurs. Only shown if system has both heat and cool stages. Only shown if utomatic hangeover Selected 6-070 0
Installer Setup Number Installer Setup Name 040 emote emperature Sensor 050 Heat Pump ompressor ockout 060 Heat Pump uxiliary ockout 055 emporary Occupied Duration imit B80U OMMEI VISIONPO POMMBE HEMOS 0 0 None Outdoor for Display Outdoor for ontrol emote 0K Indoor 4 emote 0K Indoor 0 0 None 5(-9.5) 5 F (-9.5 ) 0(-6.5) 0 F (-6.5 ) 5(-4.0) 5 F (-4.0 ) 0(-.0) 0 F (-.0 ) 5(.5) 5 F (.5 ) 40(4.5) 40 F (4.5 ) 45(7.0) 45 F (7.0 ) 0 0 None 40(4.5) 40 F (4.5 ) 45(7.0) 45 F (7.0 ) 50(0.0) 50 F (0.0 ) 55(.0) 55 F (.0 ) 60(5.5) 60 F (5.5 ) 0 no duration one hour two hours three hours 4 four hours 0540 Number of Periods 4 Periods 4 4 Periods 0580 Minimum ompressor Off ime 5 0 Off minutes minutes 4 4 minutes 5 5 minutes veraging would not include on-board sensor. It is accomplished by series/parallel combinations. applies only to Heat Pump applications (allowing compressor lockout while displaying temperature). Only shown for heat pump systems with more heat stages than cool selected and remote sensor selection is outdoor for control. Must enforce a dead band between this and uxiliary ockout Only shown for heat pump systems with more heat stages than cool selected and remote sensor selection is outdoor for control. Must enforce a dead band between this and Heat Pump ompressor ockout. 0 means no limit Does not appear if Non-programmable is chosen. pplies to all days of the week. ith selected the ancel Period option does not appear on the display. Only shown if system has cool stages. 0600 Heat emperature 90 40 to 90 F (4 to ) Only shown if system has heat stages. ange Stops 060 ool emperature 50 50 to 99 F (0 to 7 ) Only shown if system has cool stages. ange Stops 0640 lock Format Hour 4 4 Hour 0650 Extended Fan-on time Heat 0660 Extended Fan-on time ool 0 0 Off 90 90 seconds 0 0 Off 40 40 seconds 0670 Keypad ockout 0 0 Unlocked Partial ockout Partial ockout Fully ocked 0680 emperature ontrol Heat 0685 ecovery Heat amp ate able 4. Installer Setup Menu. (ontinued) Default Setting ll Settings Notes ess ggressive Standard More ggressive Not displayed with fan set to fossil or with cool-only systems Only shown if system has cool stages. Unlocked: ll functions accessible. Partial : ocks all but Holiday, Override, and Up/ Down. Partial : ocks all but Holiday and Override. Full: Entire interface locked/non-functional. Only shown if system has heat stages. Only integral gains affected. ffects control operation in all control regimes (not just recovery or setpoint change). More ggressive stops signal prior to reaching the setpoint. (For use with oversized equipment.) 5 0-0 F/hour Only shown if system has heat stages. 0 disables ramped recovery (step setpoint change at period start time). 6-070
B80U OMMEI VISIONPO POMMBE HEMOS Installer Setup Number 0690 emperature ontrol ool 0695 ecovery ool amp ate 0700 emperature Display Offset 070 estore Factory Defaults INSE ESS est Installer est ool est est est 4 est 8 Installer Setup Name Installer est Fan Installer est Heat Installer est uxiliary Heat Installer est OD/Economizer able 4. Installer Setup Menu. (ontinued) Default Setting ll Settings Notes ess ggressive Standard More ggressive Only shown if system has cool stages. Only integral gains affected. ffects control operation in all control regimes (not just recovery or setpoint change). More ggressive stops signal prior to reaching the setpoint. (For use with oversized equipment.) 0-0 F/hour Only shown if system has cool stages. 0 disables ramped recovery (step setpoint change at period start time). 0 - (-.5) - F (-.5 ) - (-.0) - F (-.0 ) - (-0.5) - F (-0.5 ) 0 (0.0) 0 F (0.0 ) (0.5) F (0.5 ) (.0) F (.0 ) (.5) F (.5 ) 0 0 No es 0 0 Off ool Stage ool Stage 0 0 Off Fan On 0 0 Off Heat Stage Heat Stage and Heat Stage, and 0 0 uxiliary Heat Off uxiliary Heat On 0 0 OD/Economizer Off OD/Economizer On his offset applies to both the control temperature and to the display temperature for indoor sensor (and remote indoor sensor). esets all ISU parameters to default values and resets the schedule to default Energy Star. etains only calendar settings and time. NOE: Press the Done button to exit the Installer System est. OPEION System Settings Heat hermostat controls the heating system. Off Both heating and cooling systems are off. ool hermostat controls the cooling system. uto hermostat automatically changes between heat and cool operation, depending on indoor temperature. Fan Settings uto Fan runs only when heating/cooling system is on. On Fan runs continuously. able 5 shows default program settings. See Owner s uide for complete instructions to change the program. able 5. Energy Star Default Program Settings. Schedule Period ime Heat Occ 8:00am 70 F ( ) Unocc 0:00pm 55 F (0 ) Setpoints ool 78 F (5.5 ) 85 F (9.5 ) Fan Setting uto uto Occ a Unocc a ahe thermostat default setting is two period only. o use four periods, change the appropriate setup parameter. 6-070
B80U OMMEI VISIONPO POMMBE HEMOS Minimum-Off imer ompressor Protection he thermostat has an adjustable Minimum-Off imer that can be set from zero to five minutes (Factory Setting five minutes). he Minimum-Off imer can be bypassed through the Installer System est or it can be bypassed permanently by setting the Minimum-Off imer to 0 minutes in the Installer Setup. he Minimum-Off imer is activated after the compressor turns off: If the thermostat is system powered (common wire), the Minimum-Off imer is also activated upon initial startup and after power interruptions. If there is a call for cooling or heating during the Minimum-Off ime, the thermostat displays ait. hen the Minimum Off imer expires, ool On or Heat On (heat pumps only) appears solidly in the display and the compressor and fan turn on. Outdoor or Indoor emperature Sensor llow outdoor or indoor temperature sensor to absorb the air for a minimum of five minutes before taking a reading. See the Sensor instructions for more information. Economizer/OD ogic (able 6) able 6. Operation of erminal. Effective Occupancy all for ool erminal Economizer OD Occupied Energized Energized Unoccupied es Energized De-energized No De-energized De-energized Override Energized Energized OPEION IN HE MODE BOVE BNE POIN (OUDOO ) hen the outdoor temperature is above the selected Balance Point emperature (ISU 050), only the compressor operates and the fan ( terminal) energizes when the thermostat calls for heat. OPEION IN HE MODE BEO BNE POIN (OUDOO ) hen the outdoor temperature is below the selected Balance Point emperature (ISU 050), only the Fossil Fuel (auxiliary heat) operates and the fan ( terminal) does not energize when the thermostat calls for heat. Heat Pump with uxiliary (Backup) Heat and Outdoor emperature Sensor. hoose correct heat pump application in Installer Setup Number 070.. hoose Outdoor emperature Sensor for ontrol Option in Installer Setup Number 040.. hoose ompressor ockout emperature in Installer Setup Number 050. 4. hoose uxiliary ockout emperature in Installer Setup Number 060. NOE: here is a 5 F deadband between ompressor and uxiliary Heat lockout temperatures. Operation in Heat Mode hen the outdoor temperature is: Below the ompressor ockout emperature, only the uxiliary Heat operates. bove the uxiliary ockout emperature, only the ompressor operates. See Fig.. Between the two temperatures, both the ompressor and uxiliary Heat operate. Heat Pump emperature ockouts Dual Fuel Heat Pump and Outdoor Sensor In this operation, there is no external fossil fuel kit (dual fuel kit) installed; the thermostat controls this function:. hoose correct heat pump application in Installer Setup Number 070.. hoose Outdoor emperature Sensor for Heat Pump emperature ockouts Option in Installer Setup Number 040.. hoose appropriate Balance Point emperature in Installer Setup Number 050. OUDOO 50 5 OMPESSO ON BOH OMPESSO ND UXII HE UXII ON UXII OKOU OMPESSO OKOU Fig. 7. Heat Pump Operation with ockout emperatures Set. M9950 6-070
B80U OMMEI VISIONPO POMMBE HEMOS OUBESHOOIN (BE 7) able 7. roubleshooting. Symptom Possible ause ction Display does not come on. hermostat is not being powered. heck for 4 Vac between and c. heck that batteries are installed correctly and are good. emperature settings do not change. Heating or cooling does not come on. hermostat is calling for Heat (Heat on) or ool (ool on) but no heating or cooling is running. Heat does not turn on (Heat On is solid in the display). Heat pump puts out cool air in the heat mode and warm air in the cool mode. Both the heating and cooling equipment are running at the same time. ooling does not turn on (ool On is solid in the display). he upper or lower temperature limits were reached. he keypad is fully locked. hermostat minimum off-time is activated. System selection not set to Heat or ool. System type Selection is incorrect. Heating or cooling equipment is not operating. Heating equipment failure. oose or broken wire connection between thermostat and heating equipment. hangeover Valve (Installer Setup Number 090) is not configured to match the changeover required by the installed heat pump. he heating equipment is not a heat pump but the System ype (Installer Setup Number 070) is set to Heat Pump. Heating and cooling wires are shorted together. ooling equipment failure. heck temperature setpoints. heck Installer Setup Numbers 0600 and 060; modify as needed. heck Installer Setup Number 0670 to change keypad locked options. ait up to five minutes for the system to respond. Set system Selection to correct position. heck Installer Setup Number 070 and make sure correct System type is chosen. heck wiring. heck Installer Setup Number 070 and make sure correct system type is chosen. Verify operation of equipment in System est mode. heck for 4 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the heating equipment to find the cause of the problem. heck for 4 Vac between the heat terminal () and transformer common. If 4 Vac is present, the thermostat is functional. heck the heating equipment to find the cause of the problem. heck for 4 Vac between the heat terminal () and transformer common. If voltage is not present, check wire connection (loose or broken) between the thermostat and the heating equipment. Set hangeover Valve (Installer Setup Number 090) to match the changeover required by the installed heat pump. Set System ype (Installer Setup Number 070) to match the installed heating and/or cooling equipment. Separate the shorted heating and cooling wires. heck for 4 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the cooling equipment to find the cause of the problem. oose or broken wire connection between thermostat and cooling equipment. heck for 4 Vac between the cool terminal () and transformer common. If 4 Vac is present, the thermostat is functional. heck the cooling equipment to find the cause of the problem. heck for 4 Vac between the cool terminal () and transformer common. If voltage is not present, check the wire connection (loose or broken) between the thermostat and the cooling equipment. 6-070 4
Fan does not turn on in a call for heat (electric furnace). Heating equipment is running in the cool mode. B80U OMMEI VISIONPO POMMBE HEMOS able 7. roubleshooting. (ontinued) Symptom Possible ause ction Heating equipment does not turn off and heat temperature setting is set below room temperature (Heat On is not in the display). annot set the system setting to Heat. Fan ontrol in Heating is set to as or Oil Furnace (Setting 080). Heating equipment is not a heat pump but System ype (Installer Setup Number 070) is set to Heat Pump. Heating equipment is not a heat pump but System ype (Installer Setup Number 070) is set to Heat Pump. System ype (Installer Setup Number 070) is set to ool Only. Set Fan ontrol in Heating to Electric Furnace (Setting 080). Set System ype (Installer Setup Number 070) to match the installed heating and/or cooling equipment. Set System ype (Installer Setup Number 070) to match the installed heating and/or cooling equipment. Set System ype (Installer Setup Number 070) to match the installed heating and/or cooling equipment. annot set the system setting to ool. Heat On is not in the display. ool On is not in the display. ait is in the display. System ype (Installer Setup Number 070) is set to Heat Only or Heat Only with Fan. System setting is not set to Heat and/or temperature setting is not set above room temperature. System setting is not set to ool and/or the temperature setting is not set below room temperature. ompressor minimum off timer is active. Set System ype (Installer Setup Number 070) to match the installed heating and/or cooling equipment. Set the system setting to Heat and set the temperature setting above the room temperature. Set the system setting to ool and set the temperature setting below the room temperature. ait up to five minutes for the cooling or heating (heat pump) equipment to turn on. 5 6-070
B80U OMMEI VISIONPO POMMBE HEMOS SPEIFIIONS Electrical atings: erminal Voltage (50/60 Hz) unning urrent (Heating) 0-0 Vac 0.0 -.0 (ooling) 0-0 Vac 0.0 -.0 (Fan) 0-0 Vac 0.0-0.60 (Economizer/OD) 0-0 Vac 0.0 -.0 emperature Setting ange: Heating: 40 F to 90 F (4.5 to ). ooling: 50 F to 99 F (0 to 7 ). Operating mbient emperature: 0 F to 0 F (-8 to 49 ). Shipping emperature: -0 F to 50 F (-4.4 to 65.6 ). Operating elative Humidity (Non-condensing): 5% to 90%. hermostat Dimensions: -/4 in. (95 mm) high x 6 in. (5 mm) wide x -/8in. (5 mm) deep. ccessories: 7089U Outdoor Sensor: 0K ohm N. 789U emote Indoor Sensor: 0K ohm N. 777 Flush-Mount emote Indoor Sensor: 0K ohm N. 7770006 all-mount emote Indoor Sensor: 0K ohm N. 777000 all-mount emote Indoor Sensor: 0K ohm N. Perchlorate Material his thermostat contains a ithium battery which may contain Perchlorate material. he following statement is required: Perchlorate Material special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate utomation and ontrol Solutions Honeywell International Inc. Honeywell imited-honeywell imitée 985 Douglas Drive North 5 Dynamic Drive olden Valley, MN 554 oronto, Ontario MV 4Z9 customer.honeywell.com U.S. egistered rademark 006 Honeywell International Inc. 6-070.H. ev. -06