Johnson Controls T9800 Series User Manual

T9800 series BACnet MS/TP Networked Thermostat Controller Technical Bulletin
Rev 1.4
10 | P a g e
BO object to control the valve.
 FRST-PRT
Frost protection, enable or disable the frost protection function.
 TIO2-ESP
When app support the TIO2-ESP, if the TIO2-ESP control by manual, user can enable or disable
TIO2-ESP output by this point.
 FH-FAN
When app support floor heating, this point can disable or enable the fan speed function when only
floor heating work.
 MUTE
User can control the buzzer for keys by this point to mute or not.
 ECM-PLY
When app support ECM function, this point can enable or disable the related relay output for ecm
function.
 ZN-T
The current temperature.
 ZNT-SP
The current set point.
 OFFSET
This point can correct the current temperature.
 ZN-H
The current humidity.
 UNOCC-CLG-SP
Working in un-occupancy, the device cooling mode set-point.
 UNOCC-HTG-SP
Working in un-occupancy , the device heating mode set-point.
 FP-SP
Frost set point, when the frost protection enable this point define condition to start the frost
protection.
 STG-DFFR
Stage difference, when app support the FCU heating and floor heating work together. Setting this
point to start FCU heating function when floor heating can’t meet objective.
 SMPL-TM
Sample time, when app support modulation control, this point define the control period.
 PB
Proportion band.
 KI
Integral parameter.
 HTRSS
This point define the dead band for ON/OFF control.
 DMP-OPEN-TIME
Damper open time, when app is the AHU, user can set this point for different damper requirement.
 BL-TIMER
Black lighter time.

Johnson Controls T9800 Series Specifications

General

Brand	Johnson Controls
Model	T9800 Series
Category	Controller
Language	English