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VISIONPRO

IAQ TOTAL HOME COMFORT SYSTEM

68-0287—04

Heat Pump Emergency Heat LED Indication

The thermostat uses a red LED indicator that lights when the

thermostat is in the Emergency Heat mode. The LED is located

in the upper right corner of the thermostat. It is visible only

when on.

Heat Pump Temperature Lockouts

Dual Fuel Heat Pump and Outdoor Temperature
Sensor

In this operation, there is no external fossil fuel kit (dual fuel kit)

installed; the thermostat controls this function.

Choose correct heat pump application in Installer Setup

Number 0172.

Choose

Fossil Fuel Option

as the backup heat source

in Installer Setup Number 0200.

Choose

No External Fossil Fuel Kit Option

is control-

ling back up heat in Installer Setup Number 0210.

Choose

Outdoor Temperature Sensor for Heat Pump

Temperature Lockouts

in Installer Setup Number 0342.

Choose appropriate

Balance Point Temperature

Installer Setup Number 0350.

Dual Fuel Heat Pump Control

Balance Point Only (ISU345 = 0)

NOTE: System must have an outdoor temperature sensor.

When the outdoor temperature is above the selected balance

point temperature, only the compressor operates and the fan

(G terminal) energizes when the thermostat calls for heat. See

Fig. 30. When the outdoor temperature is below the selected

balance point temperature, only the fossil fuel (auxiliary heat)

operates and the fan (G terminal) does not energize when the

thermostat calls for heat.

Fig. 30. Dual Fuel Heat Pump Operation in Heat mode with

Balance Point Set.

Balance Point Plus Droop (ISU345 = 1)

The fossil fuel will turn on when the outdoor temperature is

above the balance point if the room temperature droops below

the selected droop temperature setting, and the compressor

will be disabled.

Balance Point/Auxiliary Heat Lockout Plus Droop
(ISU 345 = 2)

When the outdoor temperature is above the Auxiliary Heat

Lockout Temperature only the compressor operates; below the

balance point temperature (setup function 0360) only the fossil

fuel operates. Between the balance point temperature and

auxiliary heat lockout temperature the compressor will operate.

However, the fossil fuel will turn on if the room temperature

droops below the selected droop temperature setting,

compressor will be disabled.

Fig. 31. Balance Point with Auxiliary Lockout Temperature.

AUXILIARY LOCKOUT FOR ELECTRIC HEAT BACKUP

Heat Pump systems with electric heat backup can select a

compressor lockout temperature (function 0350) and/or

auxiliary heat lockout temperature (function 0360). When the

outdoor temperature is below the compressor lockout

temperature, only the auxiliary heat operates. When the

outdoor temperature is between the compressor and auxiliary

lockout temperatures, both the compressor and auxiliary heat

can operate.

NOTE: System must have an outdoor temperature sensor.

Heat Pump with Electric Auxiliary (Backup) Heat and
Outdoor Temperature Sensor

Choose correct heat pump application in Installer Setup

Number 0172.

Choose Electric as

Auxiliary (Backup) Heat Source

Installer Setup Number 0200.

Choose

Outdoor Temperature Sensor

in Installer

Setup Number 0342.

Choose

Compressor Lockout Temperature

in Installer

Setup Number 0350.

Choose

Auxiliary Lockout Temperature

in Installer

Setup Number 0360.

NOTE: There is a 5°F deadband between the Compressor

and Auxiliary Heat Lockout Temperatures.

Operation in Heat Mode

When the outdoor temperature is below the Compressor

Lockout Temperature, only the Auxiliary Heat operates.

When the outdoor temperature is above the Auxiliary Lockout

Temperature, only the Compressor operates. See Fig. 32.

M22441

BALANCE

POINT

COMPRESSOR ONLY

FOSSIL FUEL ONLY

OUTDOOR TEMPERATURE

OUTDOOR TEMP

ERATURE

BALANCE

POINT

AUX.

LOCKOUT

COMPRESSOR ONLY

COM2 °F

DROOP UPSTAGE TO

FURNACE

FURNACE ONLY

M23497

Содержание VISIONPRO

Страница 1: ...n to service or replace filters Various Hold options allow you to override the program schedule as desired Controls humidification to increase homeowner comfort while protecting woodwork and furnishings Controls dehumidification using air conditioner with high or low speed fan or a whole house dehumidifier Controls ventilation with other HRV ERV or Freshair damper Vent on demand and automatically ...

Страница 2: ...ems show Heat On on the thermostat screen when Heat is activated Auxiliary Heat Indication VisionPRO IAQ Comfort Systems show Aux Heat On on the thermostat screen when Auxiliary Heat is activated Calibration C7089U1006 C7189U1005 and VisionPRO IAQ Comfort Sys tems are factory calibrated and require no field calibration Interstage Differential VisionPRO IAQ Comfort Systems operate with droopless co...

Страница 3: ...ons in in mm Fig 3 C7089U1006 Outdoor Sensor Mounting Clip dimensions in in mm Fig 4 32003796 001 Cover Plate dimensions in in mm M23539 6 152 THERMOSTAT 4 9 16 116 3 3 8 86 WALLPLATE 3 3 8 86 THERMOSTAT AND WALLPLATE 1 3 8 35 7 9 32 185 1 21 64 34 6 57 64 175 4 35 64 116 M23544 FRONT VIEW SIDE VIEW M4488 1 1 2 38 7 7 8 200 3 5 16 84 3 5 16 84 M22139 5 1 2 140 ...

Страница 4: ...tat where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Unheated uncooled areas such as an outside wall behind the thermostat Installing Wallplate CAUTION Electrical Hazard Can cause electrical shock or equipment damage Disconnect power before wiring The thermostat can be mounted ho...

Страница 5: ...heck wiring to terminals 1 2 3 LED always off Wiring problem Check wiring to terminals 1 2 3 LED always on EIM may need replacement NOTE It is normal for the LED to blink continuously during startup and while checking equipment status Auto Discover mode Fig 8 Mounting EIM WIRING All wiring must comply with local electrical codes and ordinances See Fig 10 20 1 Select set of terminal identifications...

Страница 6: ...on R 24 Vac Transformer RC 24 Vac Cooling Transformer RH 24 Vac Heating Transformer HUM1 HUM2 Humidification Connection normally open DHM1 DHM2 Dehumidification Connection normally open or closed based on installer setup VNT1 VNT2 Ventilation connection normally open W1 O B Stage 1 Heating Relay Conventional Change over Relay Heat Pump W2 AUX Stage 2 Heating Relay Conventional Auxiliary Heat fossi...

Страница 7: ...M23487 FACTORY INSTALLED JUMPER BETWEEN R RC AND RH 1 2 3 C R RC RH COMMUNICATION TERMINALS COMMUNICATION LED W1 W2 W3 Y Y2 G 24 VAC O B AUX AUX2 Y Y2 G 1 2 3 CONV HP HEAT 1 RELAY HEAT 2 RELAY HEAT 3 RELAY COOL 1 RELAY COOL 2 RELAY FAN RELAY WIRE TO TERMINALS ON THERMOSTAT 1 1 M23488 FACTORY INSTALLED JUMPER BETWEEN R RC AND RH 1 2 3 C R RC RH COMMUNICATION TERMINALS COMMUNICATION LED W1 W2 W3 Y Y...

Страница 8: ...re between R and Rc and connect the hot side of cooling transformer to R or Rc 1 Locate and remove the tab labeled Remove in the lower left corner on the thermostat back See Fig 21 Fig 21 Remove tab labeled Remove on thermostat back Mount Thermostat to Wallplate 1 Align the terminal screw blocks with the pins on the back of the thermostat Push the thermostat straight onto the wallplate until it sn...

Страница 9: ...ing practices described below Avoid these practices to assure correct opera tion Use shielded cable to reduce interference if rerouting sensor wiring is not possible Be sure wires have a cable separate from the thermo stat cable Do not route temperature sensor wiring with building power wiring next to control contactors or near light dimming circuits electric motors or welding equipment Avoid poor...

Страница 10: ...t one foot away from large inductive loads such as motors line starters lighting ballasts and large power distribution panels IMPORTANT Erratic temperature readings from a sensor can occur as a result of any of the wiring practices described below Avoid these practices to assure correct operation Be sure wires have a cable separate from the thermo stat cable Do not route temperature sensor wiring ...

Страница 11: ...nsor locations In this case the thermostat sensor still carries a 50 weighting of the displayed temperature Install Discharge Air Temperature Sensor Optional Prior to installing Discharge Air Temperature Sensor DATS refer to the installation instructions included with the product for more information on placement and wiring When using a DATS with network zoning the DATS will monitor the duct air t...

Страница 12: ...he zone panel using the DIP switches on the panel for the proper system settings Enter the installer setup on each thermostat and assign zone numbers and change the system settings ISU 172 180 to Auto Discover E then press the discover button on the zone panel The zone panel will then communicate those settings back to the thermostats and the thermostats will automatically configure the ISU settin...

Страница 13: ... number that represents current calendar date 160 USU Schedule Options 4 0 Seven day programmable Non programmable 165 USU Restore energy saving default schedule 0 1 No Yes 172 System Selection 1 2 3 E Conventional Heat Pump Heat Only No Fan Auto Discover Selection of a specific system setting will automatically modify some default settings and or hide other installer setup options that follow 173...

Страница 14: ...p systems with 2 stages of Auxiliary Heat Default varies based on types of heating 260 CPH for 3rd Stage Heat 1 12 E 1 1 cph used for steam and gravity 3 3 cph for hot water systems and high efficiency 90 or better furnaces 5 5 cph for standard fossil fuel forced air less than 90 efficient systems 9 9 cph used for electric furnaces or electric auxiliary heat for heat pump systems 2 4 6 7 8 10 11 1...

Страница 15: ...lected droop temperature setting and the compressor will be disabled 350 Heat Pump Balance Point also compressor lockout Temperature 40 4 5 0 5 15 10 12 15 9 5 20 6 5 25 4 30 1 35 1 5 45 7 50 10 55 13 60 15 5 40 F 4 5 C No heat pump compressor lockout 5 F 15 0 C 10 F 12 0 C 15 F 9 5 C 20 F 6 5 C 25 F 4 0 C 30 F 1 0 C 35 F 1 5 C 45 F 7 0 C 50 F 10 0 C 55 F 13 0 C 60 F 15 5 C Show 1 2 degree C Only ...

Страница 16: ...e humidifier has it own internal fan and will not require the system fan or heat to be operating during a call for humidification 379 Dehumidification Control 0 1 3 None Dehumidify with Air Conditioning Whole house Dehumidifier Option 1 uses dehum terminal as a normally closed relay to wire to a low speed fan terminal Option 3 uses dehum terminal as a normally open relay to wire to a whole house d...

Страница 17: ...ity 1 0 On Off Only shown if ISU372 and ISU400 are not set to 0 When set to On will use ventilation to remove humidity when thermostat is in the heat mode 430 Ventilation lockout 0 1 2 3 Disabled Lockout for high temperatures Lockout for low temperatures Lockout for high and low temperatures Outdoor temperature sensor required for high and low temperature lockouts 431 Ventilation lockout high temp...

Страница 18: ...9 Default 60 F 60 F 99 F Show 1 2 degree C 640 USU Clock Format 12 24 12 Hour 24 Hour 650 Extended Fan on time Heat Blower Off Delay Heat 0 30 60 90 120 Off 30 seconds 60 seconds 90 seconds 120 seconds 660 Extended Fan on time Cool Blower Off Delay Heat 0 30 60 90 120 Off 30 seconds 60 seconds 90 Seconds 120 Seconds This can be used to remove condensation from A coil however could re introduce hum...

Страница 19: ... available Installer System Tests 4 If installed with a Discharge Air Temperature Sensor ISU365 1 press the MORE button to view the dis charge temperature and press Cancel to return to the Installer test screen Fig 28 Review thermostat buttons used during Installer System Test 701 Humidity Display Offset 0 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 0 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5...

Страница 20: ...Error Codes on page 35 Press the Next button to go to the beginning of the Installer Setup or press the Done button to exit the Installer System Test SCHED HOLD CLOCK SCREEN MORE TUE AM FAN AUTO SYSTEM HEAT Following Schedule Inside Set To M23500 FAN SELECTS ON AUTO CIRC SYSTEM SELECTS EM HEAT HEAT OFF COOL UP ARROW RAISES TEMPERATURE SETTING DOWN ARROW LOWERS TEMPERATURE SETTING SCHED ENTERS SCHE...

Страница 21: ... limit the amount of humidity added to the air based on outdoor temperature with 1 most dry and 10 most humid This prevents frost from accumulating on windows WITHOUT FROST PROTECTION The frost setpoint is not displayed but a humidity setpoint can still be set 1 Press the More key until the inside humidity level set point is shown 2 Use Up and Down arrow keys located to the right of the humidity s...

Страница 22: ...Us 400 401 402 403 and 404 Combined these will determine a percentage of maximum ventilation limit The thermostat will calculate whether or not this level of ventilation meets ASHRAE standard 62 2 If ASHRAE 62 2 is met a P will appear in the display above the setup number If ASHRAE 62 2 is not met an F will appear in the display above the setup number Passing ASHRAE 62 2 is only applicable when ve...

Страница 23: ...345 2 When the outdoor temperature is above the Auxiliary Heat Lockout Temperature only the compressor operates below the balance point temperature setup function 0360 only the fossil fuel operates Between the balance point temperature and auxiliary heat lockout temperature the compressor will operate However the fossil fuel will turn on if the room temperature droops below the selected droop temp...

Страница 24: ...If installer setup ISU 176 is configured for one or more stages of Auxiliary Heat e If installer setup ISU 176 is configured for two stages of Auxiliary Heat f If thermostat is controlling backup heat see temperature lockout section page 23 35 M19950 COMPRESSOR LOCKOUT TEMPERATURE AUXILIARY LOCKOUT TEMPERATURE COMPRESSOR ONLY BOTH COMPRESSOR AND AUXILIARY HEAT AUXILIARY ONLY 50 OUTDOOR TEMPERATURE...

Страница 25: ...key for approximately five seconds until the screen changes 3 Release the center blank key when the screen on the thermostat matches the screen below Table 7 Indoor Air Quality Operation System Setting Call For Action Last call Energize terminals Heat Cool Auto Humidification HUM1 and HUM2 Closea Nothinga None Auto Dehumidification Nothingb DHM1 and DHM2 closee None Auto Dehumidification Nothingb ...

Страница 26: ... Backlight is on continuously 320 Temperature Indication Scale 0 1 Fahrenheit temperature display Celsius temperature display 330 Daylight Saving 0 1 2 Disabled Enabled US 1987 Enabled US 2007 400 Ventilation control 0 1 2 No ventilation Ventilation on at all times Ventilation on except during sleep period DONE O MON WED THU FRI SAT A AT SUN USER SETUP NUMBER CURRENT SETTING ADVANCE TO NEXT USER S...

Страница 27: ...key any time Cancel a Schedule Period 1 Press Sched key 2 Press Edit key 3 Select the Day s of the week desired 4 Press schedule period you want to cancel Wake Leave Return or Sleep Once selected the period flashes 5 Press Cancel Period key 6 The time temperature s and fan setting disappear The bar above the selected period is removed indicating the scheduled period was cancelled NOTE To reinstate...

Страница 28: ...for approximately 35 of time until the Auto position is selected a Auto Override resumes the Fan Program in each schedule period Wake Leave Return and Sleep OPERATE VISIONPRO IAQ Set Time 1 Press Clock 2 Use arrows to set current time DONE WAKE LEAVE RETURN SLEEP CANCEL MON TUE WED THU FRI SAT SUN FAN HEAT COOL OK TO PICK MULTIPLE DAYS M19957 SCHED SCHED HOLD HOLD CLOCK SCREEN DONE WAKE LEAVE RETU...

Страница 29: ...he temperature setting until Permanent Hold is cancelled 1 Press Hold key Permanent Hold appears on the screen 2 Press Up or Down arrow next to the temperature you want to set during Hold 3 Press Cancel key to cancel Permanent Hold and resume the schedule VACATION HOLD Changes temperature setting for a designated number of days 1 Press the Up and Down arrow keys to set the desired temperature whil...

Страница 30: ...In this mode all keys are locked except the Temperature Up and Down arrow keys User can change temperature up or down but cannot change schedule settings Temporary temperature change lasts until next scheduled period and that time shows on screen To cancel temperature override and begin following schedule press Cancel key To unlock screen see Installer Setup section Fully Locked Screen In this mod...

Страница 31: ... run time so anytime the fan is running the reminder is counting that time against the number of days selected The remaining days can be viewed by pressing the More key the remaining days can be edited using the More key or from the Installer Setup To view or reset the reminder before it expires follow these steps using the More key 1 Press the More key until the filter reminder appears on the scr...

Страница 32: ...the reminder before it expires follow these steps using the More key 1 Press the More key until the UV Lamp change reminder appears on the screen This is the number of run time days remaining on the UV Lamp reminder 2 Press the Edit key 3 Use the Up and Down keys to change the number of cal endar days 4 Press the Done key to go back to the viewing screen 5 Press the Reset key to activate the new n...

Страница 33: ...is a deviation based on the length of error time The sum of the two errors is the P I error The cycle rate used to reach and maintain the setpoint temperature is computed using the P I The addition of the integral error is what differentiates the thermostat from many other electronic and mechanical thermostats See Fig 33 Fig 33 Proportional temperature control versus P I temperature control Minimu...

Страница 34: ...mote inside temperature is displayed on the thermostat home screen as Inside Temperature The thermostat internal temperature sensor is not used When SCHED SCHED HOLD HOLD CLOCK SCREEN DONE WAKE LEAVE RETURN SLEEP CANCEL MON TUE WED THU FRI SA SUN Inside M23679 SCHED HOLD CLOCK SCREEN MORE MON TUE WED THU FRI SAT A AT SUN AM FAN AUTO SYSTEM HEAT Following Schedule Inside Outside Set To M22453 Table...

Страница 35: ...e time field on the thermostat home screen The home screen can display up to 5 active errors The time field will flash the time Err and a list of up to 5 error codes beginning with the most critical and repeat until the errors have been remedied A log of error codes can be viewed at the end of the installer setup after the system tests Active errors will be shown first The Error Log will log the l...

Страница 36: ...ction is not set to Heat or Cool Set system selection to correct setting Heating or cooling does not come on and thermostat is calling for heat or cool Heating or cooling equipment is not operating Check Wiring Check installer setup number 172 and verify the correct system type is chosen Verify operation of equipment in system test mode Heat does not turn on Heat On is solid in the display Heating...

Страница 37: ...n thermostat Thermostat has detected an error on the communication bus Refer to error code section for more information Fan does not turn on in a call for heat electric furnace Fan Control in Heating is set to Gas or Oil Furnace Setting 0180 Set Fan Control in Heating to Electric Furnace Setting 0180 Heat pump puts out cool air in the heat mode and warm air in the cool mode Changeover Valve Instal...

Страница 38: ...the temperature setting is not set below room temperature Set the system setting to Cool and set the temperature setting below the room temperature Wait is in the display Compressor minimum off timer is active Wait up to five minutes for the cooling or heating heat pump equipment to turn on Screen Locked appears on the screen and all or some of the keys do not respond The keypad is fully or partia...

Страница 39: ...in defrost ER150C2004 energy recovery ventilator 150cfm with no defrost ER200B2006 heat recovery ventilator 200cfm with built in defrost ER200C2004 heat recovery ventilator 200cfm with no defrost EARD5 5 round damper NC Power Open Spring Close EARD6 6 round damper NC Power Open Spring Close EARD7 7 round damper NC Power Open Spring Close EARD8 8 round damper NC Power Open Spring Close Table 19 Com...

Страница 40: ...den Valley MN 55422 Honeywell Limited Honeywell Limitée 35 Dynamic Drive Toronto Ontario M1V 4Z9 customer honeywell com U S Registered Trademark 2011 Honeywell International Inc US Patent No 6 208 263 6 373 376 6 448 901 6 926 076 7 044 397 D509151 H25192 H25193 and other patents pending 68 0287 04 M S Rev 03 11 Printed in U S A ...

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