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Honeywell Thermostat Controller: BACnet MS/TP/MODBUS/BACnet IP, On/Off (Cool)/On/Off (Heat) - Field-Selectable BACNet MS/TP or BACNET IP Protocol
HoneywellField-Selectable BACNet MS/TP or BACNET IP Protocol

Honeywell Thermostat Controller: BACnet MS/TP/MODBUS/BACnet IP, On/Off (Cool)/On/Off (Heat)

The Honeywell TC320B-G is a field-selectable BACnet MS/TP or BACnet IP thermostat controller designed for 4-pipe fan coil units. It operates at 24V and supports On/Off, Floating, Modulating, or 6-Way valves, with 3…

SKU 3G-OTH-69102

Brand
Honeywell
Item
Thermostat Controller: BACnet MS/TP/MODBUS/BACnet IP, On/Off
Category
Field-Selectable BACNet MS/TP or BACNET IP Protocol
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Technical Specifications

Honeywell
Manufacturer Part Number
TC320B-G
Type
On/Off (Cool)/On/Off (Heat), Gray
Voltage
24V
Wireless
No
Key Features
On/Off, Floating, Modulating, or 6-Way Valves
Housing Color
Gray
Occupancy Sensor
Includes Dry Contact Occupancy Sensor
Compatible System Type
4-Pipe Fan Coil Unit
Humidification Control
Yes
Temperature Adjustment
On/Off (Cool)
Dehumidification Control
Yes
Number of Relay Inputs/Outputs
3 DO/2 DIO/3 UIO
Humidification/Dehumidification Control
Yes, Yes
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Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Honeywell TC320B-G is a field-selectable BACnet MS/TP or BACnet IP thermostat controller designed for 4-pipe fan coil units. It operates at 24V and supports On/Off, Floating, Modulating, or 6-Way valves, with 3 DO/2 DIO/3 UIO relay inputs/outputs. The controller includes a dry contact occupancy sensor and provides On/Off temperature adjustment for cooling, along with humidification and dehumidification control.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell field-selectable bacnet ms/tp or bacnet ip protocol. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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