Honeywell T775 Series User Manual

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
31 63-7147—3
T775M2030 Replacement for W973A Logic
Panel (continued)
In this replacement application, the T775M2030 provides the
following, as described in Table 3:
Table 3. T775M2030 Replacement for W973A
Component/Function W973A Logic Panel T775M2030 Replacement
Thermostat T7067 Sensor A (Room) - C7130B1008.
Discharge Sensor C7046 Sensor B (Discharge) - C7046D1008.
Heating/Cooling Motor M954 Series 90, 4-20 mA, 0-10 Vdc, or 2-12 Vdc motor may be used.
Fan Start Fan Start Relay If a relay is available, it can be used for fan control (e.g., 1 stage Heat and 2
stage Cool using the T775M2030).
Economizer M955 With the T775M2030 there are two modulating outputs. Therefore, two of the
three functions (Heat, Cool, or Economizer) are available to be used. The
example in Fig. 35 uses the Heat and Cool functions; no Economizer.
Outside Air Changeover H205 Optional – SPDT Changeover (H705).

Honeywell T775 Series Specifications

General

Control Type	Electronic
Display	LCD
Operating Temperature	-40°F to 150°F (-40°C to 65°C)
Application	HVAC Control
Inputs	Universal inputs (supports thermistor, 4-20mA, 0-10V, etc.)
Outputs	Relay
Power Supply	24 VAC
Temperature Range	-40°F to 150°F (-40°C to 65°C)
Mounting	Panel Mount
Humidity Range	5 to 95% RH, non-condensing
Communication	Optional
Certifications	UL, CE