Product Overview

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
3 63-1318—2
Table 1. T775 Controller Configurations.
a
All models include a digital input for use with the disable or setback option.
b
The modulating (analog) outputs are 4-20 mA, 0-10 Vdc, 2-10 Vdc, or Series 90 selectable.
c
Digital Output alarm (low voltage) available only on the T775P model. The Digital Output alarm can be configured based on
minimum, maximum, or differential temperature.
d
Each floating output eliminates two SPDT relays.
e
For the models noted above, Sensor B can support a high/low modulating limit for temperature control at Sensor A.
f
The T775L model can be used to stage multiple relays from two independent heat or cool setpoints. The number of stages for
each setpoint can be freely chosen, limited by the number of relays available (up to 12 using two T775S expansion modules).
For example, programming could be (3 heat - 4 cool), (5 heat - 1 cool), etc. In addition to the two staged loops, an additional
two relays can be available for independent on-off control.
g
For the T775L model, the maximum number of non-sequenced relays is two (2) with each having its own setpoint and its own
throttling range. These relays are available if they are not being used by the staged relay loops.
h
The T775P model provides an optional Pump Output using the last SPDT relay output (4
th
, 8
th
, or 12
th
depending on
configuration). Stages can be configured for either standard, first-on first-off, or equal run time.
i
For the T775U sensor inputs, Sensor A can be 0-10 Vdc, 4-20 mA, or a standard temperature input. Sensor B is a standard
temperature sensor input only and is available only for applications where Reset is used.
j
Up to two T775S expansion modules can be used with the T775L and T775P models to provide a total of 8 or 12 stages.
Controller
Model
a
Description Replaces
Output
Reset
SPDT
Relay
Outputs
Analog
(Mod)
Outputs
b
DO
c
Floating
Outputs
d
Sensor
Inputs
Nbr of
Sensors
Included
Staged
Loop
Control
Addable
T775S Enclosure
T775 A/B/M/R Controller Configurations
T775A2009 Standard T775A1001 No 1 None N/A None 1 1 N/A N/A NEMA 1
T775B2016 Standard N/A No 2 None N/A 1 2 1 N/A N/A NEMA 4X
T775B2024 Standard T775C1009 T775D1008 No 4 None N/A 2 2 1 N/A N/A NEMA 4X
T775B2032 Standard T775A1019 T775B1000 No 2 None N/A 1 2 1 N/A N/A NEMA 1
T775B2040 Standard T775A1027 T775A1035
T775B1018 T775B1026
T775B1042
No 4 None N/A 2 2 1 N/A N/A NEMA 1
T775M2006 Modulating N/A No None 2 N/A None 2 1 N/A N/A NEMA 1
T775M2014 Modulating T775G1005
T775G1013
T775G1021
T775G1039
No 4 2 N/A None 2e 1 N/A N/A NEMA 4X
T775M2022 Modulating N/A No 2 2 N/A None
2
e
1N/AN/ANEMA 4X
T775M2030 Modulating T775E1114 T775F1022
T775F1055 T775F1089
No 4 2 N/A None
2
e
1N/AN/ANEMA 1
T775M2048 Modulating T775E1015 T775E1023
T775E1056 T775E1064
T775E1098
No 2 2 N/A None
2
e
1N/AN/ANEMA 1
T775R2001 Reset Option N/A Yes 4 None N/A 2 2 2 N/A N/A NEMA 1
T775R2019 Reset Option N/A Yes 4 2 N/A None 2 2 N/A N/A NEMA 1
T775R2027 Reset Option T775J1043 T775J1050
T775J1068
Yes 2 2 N/A None 2 2 N/A N/A NEMA 1
T775R2035 Reset Option T775J1001 T775J1076 Yes 2 None N/A 1 2 2 N/A N/A NEMA 1
T775R2043 Reset Option T775J1019 T775J1027
T775J1035
Yes None 2 N/A None
2
e
2N/AN/ANEMA 1
T775 L/P/U/S Special Application Controller Configurations
T775L2007
f
Stage Sequencer with
Reset
N/A Yes
4
g
None N/A None 2 1 Yes Yes NEMA 1
T775P2003
Boiler Model with Reset
h
N/A Yes 4 None 1 None 3 3 Yes Yes NEMA 1
T775U2006 Universal
Humidity,
Pressure,
Temperature, etc.
H775A1006
H775A1022
H775A1048
H775A1063
H775B1005
H775C1004
H775D1003
H775E1002
Yes 2 2 N/A None
2
i
None N/A N/A NEMA 1
T775S2008 4-Relay Expansion
Module
j
N/A N/A 4 N/A N/A N/A N/A N/A N/A N/A NEMA 1