Honeywell Smartronic70 T9275A1002 User manual
Honeywel
l
Smartronic70
Smartronic70
Smartronic70
The new generation electronic temperature
The new generation electronic temperature
controller!
controller!
EC AP MKT Page 2
Confidential and Proprietary
Product Innovation
T7984
• Limited functions
• No LC display
• Inflexible
installation
T9275
• Compact size
• Big backlit LCD
• Elegant
appearance
• Easy installation
and commission
T775
• Huge size
• Cost ineffective
• Industrial style
appearance
• Inflexible
installation
Performance improvement+Cost rationalization=Smartronic70
Performance improvement+Cost rationalization=Smartronic
Smartronic70
70
EC AP MKT Page 3
Confidential and Proprietary
Product Strategy
Price
Feature
XL20
T7984
M200
High End
• Temperature and Humidity control
• Sequence control of mixed air damper
• Economizer mixed air damper control
• Outside temperature compensated
control
• Energy recovery&cascade sequence
control
Popular
• Cool/Heat changeover
• Cooling+Heating sequence control
• Heat/Cool+Temperature limit control
Low End
• Room temperature control
• Water heating control
Typical Application Mix Rate
Around
70%
Around
20%
Around
10%
Honeywell Standalone Control Portfolio
Smartronic70
New
EC AP MKT Page 4
Confidential and Proprietary
External Appearance
Slim and Elegant Appearance
Slim and Elegant Appearance
Big backlit LC
display
• Power on/off
• Configuration value
setting
Setting value
adjust buttons
Display both
present value
and setting
value
EC AP MKT Page 5
Confidential and Proprietary
LCD Layout
Power StatusDO StatusMeasured Value
AO Status
No Function
Display 0C
or
percentage
Function
Selection
No
Function
Output Adjust by
Manual
Setting Value
Configuration Parameters
•Zero energy band
•On/off differential
•Proportional band
•Temperature offset
•Mode selection
•External or internal sensor
•AO reverse
•Display setting
EC AP MKT Page 6
Confidential and Proprietary
Main Features
One Model Does Everything
One Model Does Everything
Control Funtions:
•PI (proportional plus integral) control
•Use with series 70 damper actuator or valve actuators
•Adjustable Zero Energy Band, On/Off Differential, Proportional Band and Temperature
Offset.
•Analog output is manually setting available to be convenient for installation commission.
•Optional 2 to 10Vdc or 4 to 20mA analog output is reversible.
•Selectable internal and external temperature sensor.
•Analog input matches with NTC20 temperature sensors.
•Wide temperature control range (–20 to 1100C by using external temperature sensor).
Installation & Appearance:
•Meet various mounting requirements—direct wall mounting, equipment panel mounting
and standard DIN rail mounting compatible.
•Selectable horizontal or vertical wiring direction.
•Big bakclit LCD to display both setting and measured value together features friendly user
interface.
•Concisely designed push button for easy operation
•Compact size and slim design provide elegant and attractive modern style appearance.
EC AP MKT Page 7
Confidential and Proprietary
Applications Overview
• 2 Pipe AHU Cooling/Heating changeover
• 2 Pipe AHU Water Cooling Coil+Electric Heater
• 4 Pipe AHU Water Cooling Coil(or Sprayer)+Hot Water
Heating Coil
• Heating Exchanger Temperature Limit Control
Emergency interlock is available in all applications
Emergency interlock is available in all applications
EC AP MKT Page 8
Confidential and Proprietary
Main Application
1. Two Pipe AHU
• Cooling/Heating changeover
– Setting point is positioned in the mid of
proportional band
– AO is proportional to the temperature
measured
– Changeover is adjusted by manual
• Emergency Interlock
– Under normal status, DI is closed. If
emergency happens, DI open. The
controller will reset all output, then cut
off the power.
– The controller only can be restarted by
manual operation
Opened
100%
0%
50%
Closed
Heating mode Cooling mode
Temperature increase
Main Setting Temperature
AI
DI
AO
T
EC AP MKT Page 9
Confidential and Proprietary
Main Application
Opened
Closed
100%
0%
50%
Output2: Heating Output1: Cooling mode
Temperature increase
Heating setpoint Cooling setpoint
Zero energy band
Setpoint centered in zero energy band
2.Two pipe AHU
• Water cooling coil +electrical heating
(or Hot water heating coil) Sequence
Control
– Setpoint is located in the mid of Zero
Energy Band
– Heating is 2 position output
– Cooling is modulating control and
proportional to measured temperature
• Emergency Interlock
– Under normal status, DI is closed. If
emergency happens, DI open. The
controller will reset all output, then cut
off the power.
– The controller only can be restarted by
manual operation
T
AI
DI
AO
DO
EC AP MKT Page 10
Confidential and Proprietary
Main Application
Opened
Closed
100%
0%
50%
Output1: Heating Output2: Cooling mode
Temperature increase
Heating setpoint Cooling setpoint
Zero energy band
Setpoint centered in zero energy band
3. Four pipe AHU
• Hot water heating coil + Water cooling
coil or sprayer sequence control
– Setpoint is located in the mid of Zero
Energy Band
– Cooling is 2 position output
– Heating is modulating control and
proportional to measured temperature
• Emergency Interlock
– Under normal status, DI is closed. If
emergency happens, DI open. The
controller will reset all output, then cut
off the power.
– The controller only can be restarted by
manual operation
T
AI
DI
DO
AO
Table of contents
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