Brochure
Table Of Contents
- TABLE OF CONTENTS
- T775 APPLICATION TIPS
- COMPATIBLE COMPONENTS
- FEATURES
- T775 OPERATIONS
- T775 APPLICATIONS
- Water Source Heat Pump Loop Water Controller - T775B
- Chiller - T775B
- Chiller, Rotary Compressor - T775B
- Cooling Tower Control - T775B2040
- Time-based Control of Fan, Pump, etc. - T775 (all models)
- Damper or Valve Modulation - T775M or T775R
- Hot Water Reset - T775R
- Chilled Water Reset - T775R
- Multi-Stage Boiler Control (No Reset) - T775P
- Multi-Stage Boiler Control (Reset) - T775P
- Multi-Stage Boiler Control (Reset) (continued)
- Multi-Stage Chiller Control (No Reset) - T775P
- 4 Stage with Pump Output and Reset - T775P using a T775S Expansion Module
- 4 Stage with Pump Output and Reset (continued)
- 3 Stage Reciprocating Chiller - T775L
- 4 Stage Heat and 6 Stage Cool - T775L
- 4 Stage Heat and 6 Stage Cool (continued)
- Pressure with a Variable Frequency Drive (VFD) - T775U
- Carbon Dioxide (CO2) Sensing - T775U
- T775 APPLICATION REPLACEMENT EXAMPLES
- T775M2030 Replacement for W973A Logic Panel
- T775M2030 Replacement for W973A Logic Panel (continued)
- T775M2030 Replacement for W973A Logic Panel (continued)
- T775R Replacement for W964F Aquatrol Panel with Floating Actuator
- T775R Replacement for W964F Aquatrol Panel with Floating Actuator (continued)
- T775R Replacement for W964F Aquatrol Panel with Floating Actuator (continued)
- T775L Replacement for S984 Step Controller
- T775L Replacement for S984 Step Controller (continued)
- T775L Replacement for W7100C Discharge Air Controller
- T775L Replacement for W7100C Discharge Air Controller (continued)
- T775L Replacement for W7100C Discharge Air Controller (continued)
- T775 CROSS REFERENCE
- NOTES
T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
5 63-7147—3
Pump Output (configurable for last relay)
Number of outputs 0000000000010000001
Prepurge/Postpurge !!
Pump Exercise !!
Sensor Inputs
Number of sensor inputs 1222222222232222220
Number of sensors included 111111111113222220n/a
1097 Ohms PTC at 77° F (25° C) !!!!!!!!!!!!!!!!!!n/a
0-10 Vdc or 4-20 mA input for temperature, humidity,
pressure, etc.
! n/a
Calibration capability ±10° F (±6° C) or
for T775U, ±10% of sensor range
!!!!!!!!!!!!!!!!!!n/a
1° sensed temperature accuracy !!!!!!!!!!!!!!!!!!n/a
Sensed temperature range from -60° to 270° F
(-51° to 132° C)
!!!!!!!!!!!!!!!!!!n/a
Digital Input
Number of inputs 1111111111111111111
Setpoints
Maximum number of setpoints 124244264641464224n/a
Range -40° to 248° F (-40° to 120° C) !!!!!!!!!!!!!!!!!! !
Maximum high setpoint option (irreversible) !!!!!!!!!!!!!!!!!!n/a
Integral and Derivative Options
Integral time selectable from 0 to 3,600 seconds ! !!!!!!!!!!!!!!!!!n/a
Derivative time selectable from 0 to 3,600 seconds !!!!!!!!!!!!!!!!!!n/a
Staging
Standard staging !! !
First on, first off !!
Equalized runtime !!
On delay and Off delay between stages !! !
Time Clock Scheduler
DST option !!!!!!!!!!!!!!!!!!n/a
2 events per day !!!!!!!!!!!!!!!!!!n/a
Selectable for setback, disable, or ignore to control
all outputs
!!!!!!!!!!!!!!!!!!n/a
Enclosures
NEMA 1 ! !!!! !!!!!!!!! !
NEMA 4X !! !!
Table 1. T775 Controller Features by Model Number. (Continued)
Feature
T775A2009
T775B2016
T775B2024
T775B2032
T775B2040
T775L2007
T775M2006
T775M2014
T775M2022
T775M2030
T775M2048
T775P2003
T775R2001
T775R2019
T775R2027
T775R2035
T775R2043
T775U2006
T775S2008