Honeywell T775 Series User Manual

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS 63-7147—3 46
A28AA-28 Johnson 30 to 110 2-SPDT 6 ft. T678A1478
(fast response)
None T775B2032
+ 50021579-001
(x3)
or
+ C7031J2009
or
+ C7100D1001
5001774-001 T678 has no weatherproof enclosure
A28AA-29 Johnson -30 to 110 2-SPDT 8 ft. T678A1627
(0 to 100° F)
1/2” - 112622AA T775B2032 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28AA-36 Johnson 40 to 90 2-SPDT 6 ft. T678A1437
(0 to 100° F)
1/2” - 112622AA T775B2032 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28AA-37 Johnson 60 to 140 2-SPDT 6 ft. T678A1445
(55 to 175° F)
1/2” - 112622AA T775B2032 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28AJ-4 Johnson 20 to 80 2-SPDT 6 ft. T678A1437
(0 to 100° F)
1/2” - 112622AA T775B2032 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28KA-1 Johnson 0 to 150 2-SPDT 10 ft. T678A143
(0 to 100° F)
or
T678A1445
(55 to 175° F)
1/2” - 112622AA T775B2024 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28MA-1 Johnson 40 to 120 2-SPDT 6 ft. T678A1437
(0 to 100° F)
or
T678A1445
(55 to 175° F)
1/2” - 112622AA T775B2024 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A28MA-2 Johnson 40 to 120 2-SPDT 6 ft. T678A1437
(0 to 100° F)
or
T678A1445
(55 to 175° F)
1/2” - 112622AA T775B2024 5001774-001 T678 has no weatherproof enclosure
3/4” - 112630AA
A36AHA-50 Johnson 55 to 95 4-SPDT 18 in. None 112620BB T775B2040 5001774-001
A36AHA-52 Johnson 55 to 95 4-SPDT 6 ft. None 112620BB T775B2040 5001774-001
A36AHA-58 Johnson 0 to 70 4-SPDT 15 ft. None 112620BB T775B2040 5001774-001
A36AHB-33 Johnson 0 to 70 4-SPDT 15 ft. None 112620BB T775B2040 5001774-001
A80ABA-1 Johnson -20 to 50 135 Ohm 6 ft. T991A2044 121371Q T775M2048 5001774-001 T991 has 5 ft. cap; other models available
A80ABA-2 Johnson 10 to 90 135 Ohm 6 ft. T991A1426 112622AA T775M2048 5001774-001 T991 has 5 ft. cap; other models available
A80ABA-3 Johnson 60 to 140 135 Ohm 6 ft. T991A1244 121371Q T775M2048 5001774-001 T991 has 5 ft. cap; other models available
Table 7. Cross Reference. (Continued)
Old
Control Manufacturer
Temperature ° F
/ Humidity
Range (RH)
Switch
Action
Cap
Length
Recommended
Honeywell
Electromechanical
Replacement
Honeywell
Well #
(Order Sep.)
Recommended
Honeywell
Electronic
Replacement
Honeywell
Well #
(Order Sep.) Comments

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