Product data

Catalog 724-2 9
Options and Accessories
T170 Thermostat with Digital Display
Two thermostats are offered for
remote installation only: TA170
for three-speed fan control and
TB170 for staged fan operation.
Both thermostats are used for On-
Off control of low- or line-voltage
valves with auto changeover. For
detailed information refer to IM 1152
T180 Programmable Thermostat
Daikin Applied offers two
different 7-Day Programmable
Digital Heating/Cooling
Thermostat with constant
fan or Fan cycled, On/Off
Valve Control depending on
the fan speed control. The
thermostat interface contains
buttons for use in navigation to
accompanying menus/screens and for performing specic
operations. Detailed installation instructions and modes of
operation can be found in IM 1152
Table 1: Thermostat Summary Table
Low Voltage Interface Board
The Low-Voltage, Interface
Board (LV board) is used with
any remote (wall-mounted)
Daikin thermostat. With a field-
supplied controller, it can also
be used with a BAS (Building
Automation System) control
where low voltage is needed to
operate a fan coil.
The LV interface board includes:
• Three 24-volt relays with line voltage contactors to
operate fan motor speeds
• A factory wired and installed transformer
• Terminal connections for interfacing to:
• An optional wall-mounted thermostat
• Low-voltage actuators for heating and cooling valves
• A return air sensor
• A pipe temperature sensor for changeover from heating
to cooling on two-pipe systems
• An optional condensate overow switch
Thermostat Type Model Software Tabs
On/Off Switch with 3-speed Fan Switch with Hi/Med/Lo Settings and
Switched Auxiliary Connection
MTE-155 Accessories
2-Pole Dead-Band Auto-Changeover Thermostat with Manual On-Off System Switch
and Manual 3-Speed Fan Switch, On/Off Valve Control
MTB-155 Accessories
Thermostat with Manual Heat-Off-Cool System Switch and Manual 3-speed Fan
Switch, On/Off Valve Control
MTA-155 Accessories
Digital Thermostat 24 vac/120-277 vac with 3-speed Fan Control
(Continuous or Fan Cycle)
MTA-170 Accessories
Digital Thermostat with 7-Day Programmable, 24 vac/120-277 vac with 3-speed Fan
Control (Continuous or Fan Cycle)
MTA-180 Accessories
Digital Thermostat 24 vac/120-277 vac with Staged Fan (Continuous or Fan Cycle) MTB-170 Accessories
Digital Thermostat with 7-Day Programmable, 24 vac/120-277 vac with 3-speed Fan
Control (Continuous or Fan Cycle)
MTB-180 Accessories
Digital Thermostat with Dead Band Auto-Changeover for Heating/Cooling.
On/Off or 3-wire Floating Valve Control and 3-speed Fan Switch
MTB-158 Accessories
Digital Thermostat with Dead Band Auto-Changeover for Heating/Cooling, On/Off,
and Manual 3-speed Fan Switch
MTA-158 Accessories
Digital Thermostat with Auto-Changeover, Dead-Band, 0-10 vDC Proportional
Modulating Valve Control.
MTB-168 Accessories
Digital Thermostat with Auto-Changeover, Dead-Band, 0-10 vDC Proportional
Modulating Valve Control, and Manual 3-speed Fan Switch
MTA-168 Accessories
*Can be eld-mounted on units with Low Voltage Interface Boards, refer to IM1089