Accessories; Features - Honeywell T775 Series 2000 Application Manual

T775 series 2000 electronic stand-alone controllers
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T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS

Accessories

• 107324A – Bulb Holder, duct insertion
• 107408 – Heat Conductive Compound, 4 ounce
• 50001774-001 – Immersion Well, stainless steel 304,
1/2 in. threading
Feature
User Interface
2x4 inch LCD display with English language display
Keypad lockout
Applications
Standard heating/cooling
Modulating
Boiler/Chiller
Reset
Stage (Loop) control of up to 12 relays
Temperature, humidity, pressure, or other
application requiring 0-10 Vdc or 4-20 mA input
Expansion module (4-relays per module; 2 modules
max.)
Power
24 or 120/240 Vac with separate earth ground
Relay Outputs
SPDT
Number of standard
Number of floating
(each floating output eliminates 2 relays)
Runtime displayed on relays 1-4 (optional)
Configurable minimum off time
Expandable to 12 relays using T775S expansion
modules (4 relays per expansion module)
Warm weather shutdown
Modulating Outputs
Number of outputs
Independently selectable for 0-10 Vdc, 2-10 Vdc,
4-20 mA, or Series 90
Modulating high/low limit control
Digital Output
Number of outputs
High, low, and differential alarm
Pump Output (configurable for last relay)
Number of outputs
Prepurge/Postpurge
Pump Exercise
63-7147—05
Table 1. T775 controller features by model number.
 
1
2
4
2
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
4

FEATURES

In Table 1 a check mark () indicates that the controller model
has this feature. A number indicates the quantity (e.g., the
T775M2030 has 4 standard SPDT relay outputs), and
"n/a" indicates the feature is not applicable to that controller
model.
4
4
0
4
2
4
2
2
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
 n/a
 n/a
4
4
4
2
2
0
2
0
2
0
0
1
0
0
 n/a
0
0
2
2
0
2
2
1
0
0
0
0
0
0
1
0
0
0
0
0
0
4
0
n/a
0
n/a
0
1

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