T7600
P/N 24-85784-00151 Rev. D Issue Date: 07 2019
English
PARAMETER SETTING (PART 2/2)
Code
T7600-
TF21-
...JS0
T7601-
TF20-
...JS0
T7600-
TF20-
...JS0
T7603-
T000-
...JF0
T7600-
TB21-
...JA0 Parameter Name
Default Function
14
■
■
■
■
■
Keypad lock
00
00:
No lock
01:
Lock all keys
02:
Lock the keys except Fan Speed and Temp Adjustment keys
03:
Lock the ON/OFF and Timer keys
04:
Lock the keys except ON/OFF key
15
■
■
■
■
■
Default display
00
00:
Display room temp.
01:
Display setpoint only
16
■
■
■
---
■
Auto changeover
00
00:
Disable
01:
Enable (when 2 pipe requires 10K NTC on water tube)
17
■
■
■
■
■
Digital input function
(OCC)
00
00:
Setpoint reduction when contact is Closed (UnOccupied)
01:
Setpoint reduction when contact is Open (UnOccupied)
02:
Dew Point Alarm when contact is Closed
03:
Dew Point Alarm when contact is Open
04:
Shut off Fan and Valves when contact is Closed
05:
Filter Alarm when contact is Closed
06:
Filter Alarm when contact is Open
18
■
■
■
■
■
Unit selection
00
00:
Celsius degree (°C)
01:
Fahrenheit degree (°F)
19
■
■
■
■
■
Temperature offset
0
Setting range -5°C to 5°C (-9°F to 9°F)
20
■
■
■
---
■
Fan speed (ECM not
applicable when auto
mode)
00
00:
3 Speed
01:
2 Speed (Wiring MED, LOW)
02:
1 Speed (Wiring LOW)
03:
No Fan
21
■
■
■
■
■
Language
00
00:
Chinese
01:
English
22
■
■
■
---
■
Mode selection
00
00:
Cooling/heating/ventilation
01:
Cooling only
02:
Heating only
23
■
■
■
■
■
Back light
30
The back light will be OFF in 05 seconds to 60 seconds.
25
■
■
■
■
■
Remote sensor type
00
00:
China market 10k NTC
01:
JCI type II 10k NTC
26
■
■
■
■
■
MODBUS address
1
1-64
27
■
■
■
■
■
Baud rate
00
00:
9600
01:
4800
28
■
■
---
---
■
Sample time
10
Setting range 1 second to 99 seconds
29
■
■
■
■
■
Deadband
1
Setting range 0°C to 10°C (32°F to 50°F)
30
■
■
---
---
■
KP (proportional control
gain, PB = 100/KP)
10
Setting range 1 to 99
31
■
■
---
---
■
KI (integral control gain)
01
Setting range 0 to 99
32
---
■
■
---
---
TiO2/ESP operation
00
00:
Operate separately (Press the General button for a short period)
01:
Work in parallel with FCU fan
33
---
■
■
---
---
Inter stage difference
3
Setting range 0°C to 10°C (32°F to 50°F)
34
---
■
■
---
---
Heating stage
00
00:
2 Stages
01:
1 Stages
37
■
■
■
---
■
Fan off timer (time postpone
setting for fan off)
00
00 seconds- 99 seconds
ALARM CODE DESCRIPTION
Item
Code Description
1
E1
Internal sensor shorted warning. Valves and fan are shut off when error is active.
2
E2
Internal sensor opened warning. Valves and fan are shut off when error is active.
3
HI
High temperature warning. Room Temperature >55°C (>131°F)
4
LO
Low temperature warning. Room Temperature <0°C (<32°F).
5
E3
Remote sensor shorted. Active with 2 pipe autochangeover configuration.
6
E4
Remote sensor opened. Active with 2 pipe autochangeover configuration.
7
E5
Dew point risk warning. Valves and fan are shut off when error is active.
•
icon is visible when TiO2/Esp command is active
•
icon flash when filter alarm is active
•
COM
symbol will flash during MODBUS communication fault
Note
•
Terminal blocks changes depending on the application selected, please check the table beside first
•
The relay output are line voltage, they are connected with Terminal “L” internally
•
The digital input “OCC” can assume different meaning depending on parameter 17 setting
•
Thermostat autodiscover Remote Sensor presence, its functionality is depending by P25 and P16 parameters
•
Push the Fan button for 3 seconds to unlock the keypad, then configure parameter 14 to cancel the keypad lock function.
