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X-XX UL

INSTALLATION INSTRUCTIONS

Electronic

Heat Pump Thermostat

TAYSTAT 575

APPLICATION

The TAYSTAT 575 Electronic Heat Pump Thermostat provides electronic control of 24 Vac, two speed or two com-
pressor heat pump systems with auxiliary heat. The TAYSTAT 575 can be configured to operate a single compressor
heat pump system. Refer to Table 1 for a general description of the thermostat. All TAYSTAT 575 Thermostats require
a common wire to supply power.

Table 1. TAYSTAT 575 Thermostat Description.

MERCURY NOTICE

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.

Contact your local waste management authority for
instructions regarding recycling and the proper
disposal of the old control.

INSTALLATION

When Installing this Product...

1. Read these instructions carefully. Failure to follow

the instructions can damage the product or cause a
hazardous condition.

2. Check the ratings given in the instructions and on

the product to make sure the product is suitable for
your application.

3. Installer must be a trained, experienced service

technician.

4. After completing installation, use these instructions

to check out the product operation.

CAUTION

Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short
equipment circuitry.
Disconnect power supply before installation.

Location

Install the thermostat about 5 ft (1.5m) above the floor in
an area with good air circulation at average temperature.
See Fig. 1.

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.

radiant heat from sun or appliances.

concealed pipes and chimneys.

unheated (uncooled) areas such as an outside wall
behind the thermostat.

®U.S. Registered Trademark.  •            •   All Rights Reserved

Pub. No. 11-HD28D2-1

69-1591-1

TAYSTAT   Changeover

                                         

System Selection

Fan

Selection

Comments

575

Automatic

Em. Ht. – Heat-Off-Auto-Cool

On-Auto

Down-selectalbe for single compressor
systems.

Содержание TAYSTAT 575

Страница 1: ...age the product or cause a hazardous condition 2 Check the ratings given in the instructions and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to check out the product operation CAUTION Electrical Shock or Equipment Damage Hazard Can shock individuals or sh...

Страница 2: ...nd level the wallplate for appearance only The thermostat functions properly even when not level 2 Use a pencil to mark the mounting holes See Fig 2 3 Remove the wallplate from the wall and drill two 3 16 inch holes in the wall if drywall as marked For firmer material such as plaster or wood drill two 7 32 inch holes Gently tap anchors provided into the drilled holes until flush with the wall 4 Po...

Страница 3: ... 2 FEATURE NOT AVAILABLE ON ALL SYSTEMS 3 USE OUTDOOR TEMPERATURE SENSOR TAYSENS200A AND CONFIGURE INSTALLER SETUP NUMBERS 24 TO 1 3 AUX HEAT RELAY BLUE YELLOW BROWN GREEN ORANGE BLACK WHITE RED Fig 3 Typical hookup in heat pump system with emergency heat relay CAUTION Electrical Shock or Equipment Damage Hazard Can shock individuals or short equipment circuitry Disconnect power supply before inst...

Страница 4: ...ive in mild weather conditions and during nighttime operation low load The effect of Cooling Droop on indoor temperature operation typically lowers the indoor temperature by up to one or two degrees If the cooling droop is not desired it can be disabled Comfort R Comfort R helps achieve comfort with a lower humidity level When enabled selected in installer setup the thermostat calculates a fan del...

Страница 5: ... three seconds The display scrolls the numbers backward to get to the normal display The Installer Setup is automatically exited if no key presses are made for five minutes Fig 8 Display of all LCD segments Fig 9 Display of installer setup and setting NOTE Only configurable numbers are shown Em HeatOffCool Auto Only Heat Cool OnAuto System Fan Room Outdoor Em Ht Temporary Setting Wait Humid Aux Ht...

Страница 6: ...No outdoor temperature displays 01 Outdoor temperature is displayed Needs a TAYSENS100A Outdoor Sensor Comfort R Enable 28 00 No fan delay 01 or 02 01 30 seconds maximum delay 02 15 seconds maximum delay Minimum deadband between heating and cooling in auto changeover mode 30 04 Heating and cooling setpoints can be set no closer than 4 F 2 C 03 thru 10 Heating and cooling setpoints can be set no cl...

Страница 7: ...ipment can be turned on and off 30 39 Cooling equipment can be turned on and off 40 49 Fan equipment can be turned on and off 60 69 System key or system switch position test 70 79 Thermostat information displayed including date code and software versions Table 2 Thermostat Installer Setup Options Continued Installer Setup Number Factory Setting Other Choices Press or key to change Select Display D...

Страница 8: ...ge one cool and system fan come on 32 Stage two cool comes on Stage one cool and system fan remain on 31 Stage two cool turns off 30 Stage one cool and system fan turn off Fan Equipment System Test i 40 Change from cooling to fan equipment system test 41 Fan comes on 40 Fan turns off Key Operation System Test IMPORTANT Test Numbers will be displayed only when the system is configured for the selec...

Страница 9: ...an accurate thermometer 1 F 0 5 C measure the temperature at the sensor location allowing time for the thermometer to stabilize before reading Match the thermometer reading to the outdoor temperature display at the thermostat M6791 M4864 M4865 M4866 Thermostat Information 1 Press the Information i key to access the thermo stat information 2 Press the increase key to display the production date cod...

Страница 10: ...igure the display Bad thermostat location Relocate the thermostat Temperature settings will not change Example Cannot set the The upper or lower temperature limits were reached Check the temperature setpoints Heating limits are 55 to 85 F 13 to 29 C Cooling limits are 65 to 99 F 18 to 37 C heating higher or the cooling lower The setpoint temperature range stops were configured Check Installer Setu...

Страница 11: ...nnections If 24 Vac is present proceed with troubleshooting Thermostat minimum off time is activated Wait up to five minutes for the system to respond Enter Installer Setup mode number 33 Reconfigure minimum off time if required System selection is not set to Cool Set system selection to Cool System On indicator is lit but no heat is being delivered Heating equipment is not operating Verify operat...

Страница 12: ...0 CUSTOMERASSISTANCE If after reading this guide you have any questions concerning the operation of your thermostat please call the Thermostat Customer Assistance Helpline at 1 877 880 3381 For service contact your local heating and cooling contractor Pub No 11 HD28D2 1 ...

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