Honeywell T775 Catalog Page
Temperature Controllers
T775 Series 2000 Special Stand-Alone Controllers
The T775 electronic remote temperature controllers are the next generation of commercial and agricultural controls capable of remote sensing of temperature, humidity, pressure, etc., and providing switched and/or proportional outputs to various types of loads.
• Universal model (T775U) can control pressure, humidity, or any variable analog input
• Special boiler model (T775P) for boiler control
• Special Staged Sequencing Model (T775L) for sequence staging of relays with one or two setpoints
• Special Expansion Model (T775S) for staging up to 12 relays with two setpoints (each T775S provides 4 relays)
• Save time on installations with the easy-to-use graphical Interface, large display, and the intuitive programming
• Use the time clock scheduler or digital input to control the setback and disable output options to help save energy
• Provide very fast or very fast response times on modulating outputs by adjusting the integral and derivative times (PI or PID)
• Configure models with reset in a few easy steps
• Eliminate the need for a separate time delay device and protect equipment with the minimum off time option
• Use the T775L and T775P to stage up to 12 relays (with optional T775S) from two independent heat or cool setpoints
• Support for digital output alarm on the T775P configurable based on minimum, maximum, or differential temperature
Type: Stage Sequencer with Reset Option-NEMA 1 Application: Staging controller for applications where electronic
accuracy and remote sensing of temperature is required. Bulb Size (T775L, T775P): 1/4 in. diameter x 2 in. long
(6.35 mm diameter x 50.8 mm) Accuracy: ±1 F at 77 F (±1 C at 25 C)
Sensor Element: 1097 ohms PTC at 77 F (25 C)
Maximum distance to sensor: Up to 1,000 ft (up to 304 m)
Relay Contact Ratings (24 Vac): 10.0A resistive
(120 Vac): 1/2 hp; 9.8 AFL, 58.8 ALR, 125 VA Pilot Duty (240 Vac): 1/2 hp; 4.9 AFL, 29.4 ALR, 125 VA Pilot Duty Voltage: 24 Vac or 120/240 Vac
Analog Output Type: 2-10 Vdc; 0-10 Vdc; 4-20 mA; Electronic Series 90
Frequency: 50 Hz; 60 Hz
Operating Ambient Temperature Range:
-40 F to 125 F @ 50 Hz; -40 F to 140 F @ 60 Hz (-40 C to 52 C @ 50 Hz; -40 C to 60 C @ 60 Hz)
Setpoint Temperature Range: -40 F to 248 F (-40 C to 120 C)
Throttling Range: 1 F to 150 F (0.5 C to 66 C)
Differential Temperature: 1 F to 150 F (0.5 C to 66 C)
Approvals C-Tick: Approved
Underwriters Laboratories, Inc: Approved
CE: Approved
Canadian Underwriters Laboratories, Inc: Approved
Other: IP65: Approved
Accessories:
107324A-Capillary Holder Assembly for duct insertion, 8 3/8 in. long H7655A1001-Humidity Transmitter, 5% RH accuracy, wall mount,
without temp output
H7655B1009-Humidity Transmitter, 5% RH accuracy, duct mount, with optional 20K ohm temp output
P7640A1000-Differential Pressure Transmitter, 0-1.0, 0-0.5, 0-0.25, or 0-0.1 in. w.c., unior bi-directional, panel mount, with display
P7640A1018-Differential Pressure Transmitter, 0-1.0, 0-0.5, 0-0.25, or 0-0.1 in. w.c., unior bi-directional, panel mount, without display
P7640A1026-Differential Pressure Transmitter, 0-10, 0-5, 0-2.5, 0-1.0 in. w.c., unior bi-directional, panel mount, with display
P7640A1034-Differential Pressure Transmitter, 0-10, 0-5, 0-2.5, 0-1.0 in. w.c., unior bi-directional, panel mount, without display
P7640B1008-Differential Pressure Transmitter, 0-1.0, 0-0.5, 0-0.25, or 0-0.1 in. w.c., unior bi-directional, duct mount, with display
P7640B1016-Differential Pressure Transmitter, 0-1.0, 0-0.5, 0-0.25, or 0-0.1 in. w.c., unior bi-directional, duct mount, without display
P7640B1024-Differential Pressure Transmitter, 0-10, 0-5, 0-2.5, 0-1.0 in. w.c., unior bi-directional, duct mount, with display
P7640B1032-Differential Pressure Transmitter, 0-10, 0-5, 0-2.5, 0-1.0 in. w.c., unior bi-directional, duct mount, without display
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Stages |
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Relay |
Sensor |
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Digital |
Output |
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Sensors |
Loop |
Product Number |
Output |
Inputs |
Description |
Expandable |
Output |
Reset |
Replaces |
Included |
Control |
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T775L2007/U |
4 SPDT |
2 |
Stage sequencer |
Add 1 or 2 |
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Yes |
— |
50021579-001 (1) |
Yes |
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with reset option |
T775Ss |
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(4 relays ea) |
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T775P2003/U |
4 SPDT |
3 |
Special boiler with |
Add 1 or 2 |
1 |
Yes |
— |
50021579-001 (3) |
Yes |
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reset option |
T775Ss |
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(4 relays ea) |
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T775S2008/U |
4 SPDT |
— |
Relay Expansion |
— |
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— |
— |
None |
— |
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Module |
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T775U2006/U |
2 SPDT |
2 |
Universal - humidity, |
— |
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Yes |
H775E1002; H775D1003; |
None |
— |
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(Sensor |
pressure, etc. |
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H775C1004; H775B1005; |
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B used |
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H775A1063; H775A1048; |
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for reset |
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H775A1022; H775A1006 |
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only) |
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T775U2016/U |
2 SPDT |
2 |
Universal-Control to |
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Yes |
— |
None |
— |
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sensor A (universal |
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input) and Sensor B |
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(temp) independently |
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356 |
customer.honeywell.com |
70-6910 |
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