T7600
P/N 24-85784-00151 Rev. F Issue Date: 10 2020
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
11
---
■
--- --- --- ECM Max voltage 10V
Max voltage above which the fan output is 100%,
range 0 V-10 V. The adjustment is 0.5V for every step
12
---
■
--- --- --- ECM cut off relay (F-ON) 00
00: Disabled
01: Enabled
13
■ ■ ■ ■ ■
Restart after power failure 00
00: Keep last status
01: On
02: Off
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
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