T7600
P/N 24-85784-00151 Rev. F Issue Date: 10 2020
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.
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