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Johnson Controls T9 Series Installation Manual page 8

Lcd digital thermostat

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T9800
PARAMETER SETTING (PART 2/3)
T9800-
T9800-
T9800-
TF20-
TB21-
TF21-
Code
1JS0
1JA0
1JS0
04
05
06
07
08
09
10
11
1
12
13
14
15
16
...Continued...
P/N 24-11448-00009 Rev. A Issue Date: 11 2020
Parameter Name
APPLICATION
DOWN-SET-LIMIT
UP-SET-LIMIT
FP-SP
ECM-MIN-V
ECM-MAX-V
STG-DFFR
HTRSS
BI-FUNCTION
MODE-RST
FAN-RST
FAN-DB
UNOCC-FAN
Default
Function
T9800-TF20-1JS0
00: 2-pipe FCU
01: 4-pipe FCU
02: 2-pipe 3-wire valve FCU
03: 2-pipe FCU with floor heater
04: 2-pipe FCU with TiO2/ESP
05: water source heat pump
06: Floor heating/Boiler
T9800-TB21-1JA0
00: 2-pipe FCU, three speed fan
00
T9800-TF21-1JS0
00: 2-pipe FCU, three speed fan
01: 4-pipe FCU, three speed fan
02: 2-pipe FCU (relay), ECM fan
03: 4-pipe FCU (relay), ECM fan
04: 2-pipe 3 wire (relay), ECM fan
05: 2-pipe FCU with floor heater, ECM fan
06: 2-pipe FCU with TiO2/ESP, ECM fan
07: water source heat pump, ECM fan
08: 2-pipe FCU (0-10VDC), ECM fan
09: 2-pipe FCU (0-10VDC) with floor heater, ECM fan
10: 2-pipe FCU (0-10VDC) with radiator, ECM fan
11. AHU
5°C/
lower setpoint limit
Range: 0°C~36°C (32°F-97°F)
41°F
35°C/
Upper setpoint limit
Range: 2°C~37°C (36°F~99°F)
95°F
Frost protection setpoint.
5°C/
Step: 0.5°C (1°F)
41°F
Range: 0°C~20°C (32°F-68°F)
ECM Min voltage.
Min voltage below which the fan output is 0%.
3 V
Step: 0.5 V
Range: 0 V~10 V
ECM Max voltage.
Max voltage below which the fan output is 100%.
10 V
Step: 0.5 V
Range: 0 V~10 V
floor heater Stage temperature difference
3°C/5°F
Step: 0.5°C (1°F)
Range: 0°C~10°C (0°F-18°F)
Hysteresis for ON/OFF control
1°C/2°F
Range: 1°C~5°C (2°F-9°F)
00: Occupancy Input
01: Dew Point Risk Input
02
02: Filter Alarm Input
03: Change Over Sensor Input
04: Warning.
00: No Restriction
00
01: Cooling only
02: Heating only
00: No Fan
01: One Speed Fan
03
02: Two Speed Fan
03: Three Speed Fan
Fan operation in deadband:
01
00: OFF
01: Low
Fan mode in unoccupied:
00
00: OFF
01: Low
English

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