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T87F Thermostats
PRODUCT DATA
FEATURES
For 24 Vac to 30 Vac control of heating or cooling
systems.
Thermostat cover ring may be painted to match room
decor.
Knurled dial provides easy setpoint adjustment.
Separate temperature setting and thermometer scale
located on face of thermostat.
T87F Easy-to- T87F Standard
T87F Designer
See Round
Model
Model
T87F distinctive style makes an attractive addition to
Model
almost any decor.
Enhanced setpoint visibility mode
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T87F THERMOSTATS SPECIFICATIONS IMPORTANT This product is tested and calibrated under closely Standard Models: controlled conditions and some minor differences in T87F Heating, Cooling, or Heating-Cooling Thermostat. Ther- performance can be expected if those conditions are mostat includes 104456B Wallplate for heating only sys- changed. The specifications in this publication do not tems. Order Q539 Subbase for heating-cooling. include normal manufacturing tolerances; therefore, an individu
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T87F THERMOSTATS Accessories: Q539 Subbasesprovide system and fan switching and cool- 3. Installer must be a trained experienced service techni- ing anticipation (unless otherwise specified) for T87F heat- cian. ing, cooling and heating-cooling thermostats. 4. After installation is complete, check out product opera- TG587F1008 Thermostat Guard Key Lock Cover with window. tion as provided in these instructions. TG587F1016 Thermostat Guard Key Lock cover without window. Location 104456B Two term
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T87F THERMOSTATS THERMOSTAT 104456B WALLPLATE CABLE SPIRIT LEVEL OUTLET BOX ENTRANCE HOLES MOUNTING SLOTS BE SURE WALL HOLE IS PLUGGED TERMINAL MOUNTING 137421 SCREWS SLOTS WALLPLATE 1 127293 COVER RING 137421A,B,D WALLPLATE SPIRIT LEVELING LEVEL POSTS (2) CAPTIVE 2 Q539 SUBBASE MOUNTING SCREWS (3) T87F 1 IF OUTLET BOX IS HORIZONTAL, MOUNT COVER RING IN POSITION SHOWN, BUT FASTEN WITH SCREWS THROUGH "A". OPENING FOR 2 USE 137421A,B WALLPLATE FOR HEAT OR COOL APPLICATIONS THERMOSTAT MOUNTING WI
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T87F THERMOSTATS T87F T87F TEMPERATURE FALL TEMPERATURE FALL THERMOSTAT THERMOSTAT Y1 Y1 1 1 W1 W1 ADJUSTABLE ADJUSTABLE HEAT 3 3 HEAT ANTICIPATOR ANTICIPATOR R1 R1 104456B 137421A,B WALLPLATE WALLPLATE R 2 W R Y 2 W COOLING ANTICIPATOR TO SYSTEM CONNECTIONS TO SYSTEM CONNECTIONS HEATING ONLY THERMOSTAT TRADELINE THERMOSTAT 1 MODEL WITH POSITIVE OFF SWITCH OPENS THE THERMOSTAT CIRCUIT 1 MODEL WITH POSITIVE OFF SWITCH OPENS THE THERMOSTAT WHEN SETPOINT DIAL IS MOVED TO THE OFF POSITION. CIRCUIT
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T87F THERMOSTATS COMBINATION FAN TRANSFORMER 1 AND LIMIT CONTROL L1 (HOT) COOL THERMOSTAT L2 L1 POSITION (HOT) 1 Y REMOTE R CHANGEOVER W SWITCH COOLING FAN L2 CONTACTOR COIL MOTOR HEAT POSITION BURNER 3 MOTOR OIL VALVE OIL PRIMARY ISOLATING IGNITION RELAY THERMOSTAT Y R8184G T WHITE R 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 2 W PROTECTION AS REQUIRED. T M6104A ORANGE F Fig. 10. T87F in heating-cooling application with remote F mounted system changeover switch. (Use Q539
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1.0 .8 .6 .5 .4 .3 .2 T87F THERMOSTATS LOW LIMIT JUMPER OPERATING CONTROL B B SETTINGS AND CHECKOUT TO THERMOSTAT T87F CONNECTIONS ON W W SERIES 10 VALVE Y R AT BURNER W R R Temperature Selection To select the desired temperature, turn the transparent dial SERIES 10 OPEN until the desired point on the setting scale (top scale) is in line CIRCUIT HIGH LIMIT M6102 with the pointer. Fig. 12. T87F (replacing a series 10 thermostat) connected On models with range stops the temperature range may
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T87F THERMOSTATS IMPORTANT 7. Make certain that the equipment functions properly in When the T87F is used in a series 20 heating circuit response to the thermostat. (requires contact on both a rise and fall in tempera- ture), set the anticipator indicator to 1.2. RECALIBRATION If the current rating is not known, proceed as follows: 1. Connect an ac ammeter of appropriate range (for exam- IMPORTANT ple; 0 to 2A) between the R and W terminals on the If the thermostat scaleplate moves (pointer
