AB-7258
15
Thermostat (two-position one-step type) Model TTY6023Z2000
Model number Mode
Contact between:
Blue and red wires Gray and red wires White and pink wires Black and pink wires
TTY6023Z2000(-1) Cooling (step 1) Closed Open N/A N/A
Cooling (step 2) Closed Open Closed Open
Heating (step 1) N/A N/A Open Closed
Heating (step 2) Open Closed Open Closed
Humidistat (two-position one-step type) Model HY6000Z2000(-1)
Model number Mode
Contact between:
Terminals L and C Terminals H and C
HY6000Z2000(-1) Humidifying Open Closed
Dehumidifying Closed Open
Cooling (step 2)
ON
Differential
Approx. 1.5 °C (fixed)
Temperature
Low High
Figure 18. Switching action of
Model TTY6023Z2000(-1) in cooling mode
Cooling (step 2)
OFF
Differential
Approx. 1.5 °C (fixed)
Cooling (step 1)
ON
Cooling (step 1)
OFF
Setpoint
Differential between steps
pprox. 2 °C (fixed)
Differential
Approx. 1.5 °C (fixed)
Differential
pprox. 1.5 °C (fixed)
Setpoint
Heating (step 2)
ON
Heating (step 2)
OFF
Heating (step 1)
ON
Heating (step 1)
OFF
Differential between steps
Approx. 2 °C (fixed)
Temperature
Low High
Figure 19. Switching action of
Model TTY6023Z2000(-1) in heating mode
Humidifying
ON
Differential
Approx. 5 %RH (fixed)
Setpoint
Humidity
Lo
High
Figure 20. Switching action of
Model HY6000Z2000(-1) in humidifying mode
Humidifying
OFF
Differential
Approx. 5 %RH (fixed)
Setpoint
Humidity
Lo
High
Figure 21. Switching action of
Model HY6000Z2000(-1) in dehumidifying mode
Dehumidifying
ON
Dehumidifying
OFF