AB-7258
14
Wiring to the load
IMPORTANT:
Select a device (load) of which the Neostat (two-position type) contact rating is tolerable. If a load larger than
the Neostat contact rating is connected to Neostat, the contact may be welded and may not turn on or off.
Wiring of the thermostat model
● Model TY600_Z is the two-position one-step type thermostat for ON/OFF control of a electric motor, electric heater,
solenoid valve, auxiliary relay, or the like.
● Model TTY6023Z is the two-position two-step type thermostat for dual-step ON/OFF control of a packaged air conditioner,
electric motor, electric heater, or the like.
● Model TY900_Z is the proportional type thermostat for proportional control of the Control Motor (Model MY3000) or
ACTIVAL (Model VY512_/ MY532_) that actuates valve or damper
Note: Modutrol Motor cannot be connected to Neostat.
IMPORTANT:
To connect Model TY900_Z to a device other than the above mentioned, ask our salesperson to check if Model
TY900_Z is connectable to the device.
Wiring of the humidistat model
● Model HY6000Z is the two-position one-step type humidistat for ON/OFF control of a solenoid valve, auxiliary relay, or the
like.
Switching Action of Two-position Control
Thermostat (two-position one-step type) Model TY600_Z2000(-1)
Model number Mode
Contact between: Switch for heating/cooling
changeover
Terminals L and C Terminals H and C
TY6000Z2000(-1) Cooling Closed Open N/A
Heating Open Closed N/A
TY6001Z2000(-1) Cooling N/A Closed Cooling
Heating N/A Open Heating
Cooling ON
Cooling OFF
Differential
Approx. 1.5 °C (fixed)
Setpoint
Temperature
Low High
Figure 16. Switching action of
Model TY600_Z2000(-1) in cooling mode
Heating ON
Heating OFF
Differential
Approx. 1.5 °C (fixed)
Setpoint
Temperature
Lo
High
Figure 17. Switching action of
Model TY600_Z2000(-1) in heating mode