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{"title":"TC907-3A4LDPSAB Schneider Touchscreen Thermostat 4-Pipe Modbus Black Professiona","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/df\/256273872e1d9d32515c0ed2703b-200x200-1\/tc907_3a4ldpsab_schneider_touchscreen_thermostat_4_pipe_modbus_black_professional_integrated_hvac_control.jpg","attrs":{"Model Number":"TC907-3A4LDPSAB","Minimum Order Quantity":"5","Outputtype":"Triac\/Relay\/0-10V","Dimensions":"Varies by model"}}
{"title":"TC903-3A2L Schneider SpaceLogic Fan Coil Thermostat LCD 5-Button 2P 3-Fan 240V","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/aa\/03e044bd7663a6532d2caa7a4734-200x200-1\/tc903_3a2l_schneider_spacelogic_fan_coil_thermostat_lcd_5_button_2p_3_fan_240v_white_professional_hvac_control.jpg","attrs":{"Model Number":"TC903-3A2L","Installation Type":"Wall-mounted or embedded","Minimum Order Quantity":"5","Voltage":"230V AC"}}
{"title":"TC907-3A4LXPXAB Schneider Touchscreen Thermostat 4-Pipe Black OEM Configurable","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/84\/a5d79493c16a28cc03dc60f76454-200x200-1\/tc907_3a4lxpxab_schneider_touchscreen_thermostat_4_pipe_black_oem_configurable_luxury_building_interface.jpg","attrs":{"Model Number":"TC907-3A4LXPXAB","Minimum Order Quantity":"5","Userinterface":"Buttons\/Touchscreen","Packaging Details":"Carton"}}
{"title":"TC903-3A4LXPXA Schneider Fan Coil Thermostat 4-Pipe OEM Configurable Digital","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/7a\/126c88e3894eda8a47bc0abfeef9-200x200-1\/tc903_3a4lxpxa_schneider_fan_coil_thermostat_4_pipe_oem_configurable_digital_building_controller_station.jpg","attrs":{"Model Number":"TC903-3A4LXPXA","Minimum Order Quantity":"5","Productname":"Fan Coil Controllers","Delivery Time":"7 Days"}}
{"title":"SLPWLCV2 Schneider SpaceLogic SLP CO2 VOC RH Temp LCD White","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/33\/ed44b0bc17fcdff55da53f6a07fd-200x200-1\/slpwlcv2_schneider_spacelogic_slp_co2_voc_rh_temp_lcd_white.jpg","attrs":{"Installation Type":"Wall-mounted or embedded","Payment Terms":"T\/T,Western Union","Indicator Function":"Power, signal transmission","Delivery Time":"7 Days"}}
{"title":"TC902-4FMSA Schneider Fan Coil Controller Basic Module Digital Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/11\/9b\/049d2526666bfe513ba528f58608-200x200-1\/tc902_4fmsa_schneider_fan_coil_controller_basic_module_digital_display_professional_budget_hvac_unit.jpg","attrs":{"Model Number":"TC902-4FMSA","Minimum Order Quantity":"5","Dimensions":"Varies by model, typically compact size","Delivery Time":"7 Days"}}
TC500-4T-WH Schneider TC500 Series Fan Coil Thermostat
Four-pipe configuration with white LCD display, 3 fan speeds, and Modbus communication option
Product Overview
The TC500-4T-WH is the four-pipe version of the Schneider Electric TC500 fan coil thermostat, finished in white for interiors where the wall plate is expected to blend into light surfaces. Four-pipe terminals carry separate chilled and heating water circuits, requiring the thermostat to arbitrate between cooling and heating rather than simply switching a single coil.
The liquid crystal display presents room temperature and setpoint, while users can select cooling, heating, automatic, or fan-only operation with three discrete fan speeds. Automatic mode is particularly important in practice: on a four-pipe terminal with a dead band, the thermostat can maintain space temperature within a band without hunting between the two water circuits.
The communication variant is available for projects requiring terminal unit supervision from a central system, transforming local comfort devices into monitored points within the building management system.
Specification Summary
Product Type: Digital fan coil thermostat, 4-pipe configuration
Order Number: TC500-4T-WH
Series: TC500 series, comfort tier
Pipe Configuration: Four-pipe, separate chilled and heating water circuits
Housing Color: White
Display: LCD showing room temperature and setpoint
Operating Modes: Cooling, heating, automatic and fan-only
Fan Control: Three fan speeds
Communication Option: Supervised variant available with Modbus for building management integration
Mounting: Wall mounted, room side
Compliance: CE marking; RoHS and REACH declarations held by Schneider Electric
System Integration Notes
The four-pipe sequence requires a dead band to be set during commissioning, as the distance between cooling and heating thresholds determines whether the terminal operates calmly or oscillates. Too narrow a band causes repeated valve changes, wearing actuators and disturbing occupants; too wide a band allows uncomfortable temperature drift before activation.
Fan speed selection should be reviewed against noise considerations. On four-pipe terminals, the fan typically runs continuously in automatic mode, so insufficient low-speed airflow across the coil may cause the thermostat to hold valves open unnecessarily.
For supervised variants, the register map should be documented in handover packages to enable head-end systems to read setpoint, room temperature, and valve state without reverse engineering the terminal.
Application Scenarios
Premium Hotel Suites: Four-pipe thermostats provide independent heating and cooling capability that two-pipe terminals cannot deliver, ideal for executive floors and luxury accommodations.
Open-Plan Offices: Perimeter fan coil units maintain stable temperatures in glass-line zones during transition seasons when some areas require cooling while others need heating.
Healthcare Facilities: Single patient rooms benefit from individual temperature control as part of the therapeutic environment in hospitals and clinics.
High-End Residential: White housing suits domestic interiors in ducted or fan coil systems for luxury residential projects.
Supervised Systems: Facilities teams choose the communication variant for terminal-level visibility in energy reporting and fault detection, replacing manual monthly inspections.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller,Trading Company,Exporter
Year Established:
2019
Total Annual:
800000 USD-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ... Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ...
