Temperature Sensors; Accessories; Product Changes; Controller Dimensions - Honeywell T775A/B/M 2000 Series Installation Instructions Manual

T775A/B/M SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS

Temperature Sensors

The controller accepts 1,097 Ohms PTC at 77°F (25°C):
• 50021579-001 – Standard sensor (included with all
models except NEMA 4X models)
• T775-SENS-STRAP– Strap on sensor with wiring box
• T775-SENS-WR – Water resistant with 5 foot leads
(included with NEMA 4X models)
• T775-SENS-WT – Watertight with 6 foot lead
• T775-SENS-OAT – Outdoor air temperature sensor
• C7031B2005 – 6 inch duct mount with wiring box
• C7031D2003 – 5 inch immersion sensor with wiring
box (use immersion well; P/N 50001774-001)
• C7031J2009 – 12 foot duct averaging sensor with
wiring box
• C7046D1008 – 8 inch duct probe with mounting flange
• C7100D1001 – 12 inch fast response, duct averaging
sensor with flange
• C7130B1009 – Room mount sensor
a
See form 62-0265 - Temperature Sensors for the T775
Series 2000 Stand-alone Controller

Controller Dimensions

4 1/16 (103.4)
1/64 (3.8)
4 1/16 (103.4)
2 11/16 (68.1)
7/8 (22.5)
62-0254—13
a
1 (25.5)
7/8 (22.5)
2 15/16 (74)
LEFT
8 5/32
(207.1)
7 23/32
(196)
7/8 (22.5)
Fig. 1. T775A/B/M Dimensions in inches (mm).

Accessories

• 107324A – Bulb Holder, duct insertion
• 107408 – Heat Conductive Compound, 4 ounce
• 50001774-001 – Immersion Well, stainless steel 304,
1/2 in. threading.

Product Changes

Below are the changes to T775A/B/M models starting with
Series 3 (March 2009). Series 3 can be identified by the
sideways 3 after the part number on the device label.
1. Modulating high and low limit now both function in
either the heat or the cool mode.
2. MIN ON added.
3. SYNC added.
4. Differential and throttling range increased to 300°F.
5. Setpoint and Enable options added to the DI
options.
6. HIDE option added to MOD1 and MOD2 (to hide
them on the home screen).
TOP
4 13/32 (112.1)
3 31/32 (101)
FRONT VIEW
1 (25.5)
BOTTOM
2
1/2 (12.4)
RIGHT
2 13/16 (71.8)
7/8 (22.5)
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