Friedrich RT4 manual Specifications, Important Safety Information

Models: RT4

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Room temperature setpoint
Room temperature
Temperature differential setting

Specifications

Input:

Voltage: 18-30 VAC

Output:

Maximum: 1 amp per terminal (3 amp total for all terminals)

Temperature Ranges:

Temperature control range: 45°F to 90°F (7°C to 32°C) Accuracy: ± 1°F (± 0.5°C)

Differential range: 1°F to 3°F (0.5°C to 1.5°C) Accuracy: ± 1°F (± 0.5°C)

System configurations: Single stage heat pump

Terminations: R, C, W, Y, B, O, G

Note: This thermostat is designed for: Single stage electric heating, heating/cooling systems and heat pump systems. It will retain your setpoint temperatures in memory for up to 30 minutes during a power outage.

SET ROOM

DIFF

Important Safety Information

Always turn off the thermostat before installing, removing, cleaning, or servicing; turn off the power at the main power source by unscrewing fuse or switching off circuit breaker

Do not switch to “Cool” if outside temperature is below 50°F (10°C), this could damage your A/C system and cause injury

Do not install on voltages higher than 30 VAC

All wiring must conform to local and national building and electrical codes and ordinances

While cleaning, do not get soap directly on thermostat switches or LCD readout; only use a damp cloth with a mild soap to wipe the outside of the thermostat cover

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Friedrich RT4 manual Specifications, Important Safety Information