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Modbus Fancoil controller for 2 or 4-pipe systems, Orchid 1

The Orchid 1 modbus communicating thermostat is designed for a 3 speed fan and a motorized valve control in a fancoil system...

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Product Description
Technical Properties

Product Description

The Orchid 1 modbus communicating thermostat is designed for a 3 speed fan and a motorized valve control in a fancoil system. The typical application including:

2-pipe cool only/heat only/manual changeover
4-pipe cooling/heating manual/automatic changeover
Ventilation mode
Manual or automatic 3-speed fan control
On/off water valve control
Using Modbus RTU protocol that can be easily integrated into building automation systems.

Technical Properties

Protection class	IP20
Temp. setpoint range	10 ... 32 ^oC
Control output signal	PI, on/off output
Additional Descriptions	Auto Cycle times 100,000 times Manual Cycle times 10,000 times Display range 0 ~ 37C Ambient storage limits -30 ~ +60C Humidity limits 5~90% RH, non-condensing Pollution Degree 2 Protection against electric shock class Class II Rated Impulse Voltage: 2500V Maximum Temperature for relay wiring 155C Physical Layer EIA485 Protocol Modbus RTU Baud rate 4800/9600(Default)/19200 Parity None Error checking mechanism CRC Power consumption <2W Action Type: 1 Electronic control software class Class A
Temperature control accuracy	+/- 1 ^oC
Ambient temp. limit	0~ +49C
Power supply	220/230VAC, 50/60Hz

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Products

Product Type	Product description
Products
TF228WNM/U	Fancoil controller for 2-pipe systems, white, modbus communication
TF428WNM/U	Fancoil controller for 4-pipe systems, white, modbus communication