I want to fit Integra Digital Thermostat in place of Honeywell T40 which uses Red Yellow Blue wires, there is an earth wire connected to back plate. The Integra only has connections NO, COM and NC although website states connections only to No and COM. Am I right in saying I should put earth wire in terminal block, neutral wire in another terminal block, red wire to COM and yellow wire to NO? Please forgive if this has been covered many times already. Thank you.
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