McQuay MFU-C Product Manual page 19

ELECTRONIC CONTROL AC2800A (OPTIONAL)
Location
Models
Parameters
Main Functions
Integration into FCU Network
Integration with Smart Manager
1
Potentiometer for temperature regulation
2
On/Off keys
3
On/Off led
4
Heating / Cooling mode keys
5
Heating / Cooling mode led
6
Fan Speed selection keys
7
Fan Speed led (HIGH)
8
Fan Speed led (MEDIUM)
9
Fan Speed led (LOW)
AUTO-DIAGNOSIS
7
Led Blinking : Ambient temperature sensor incorrect operation
8
Led Blinking : Water temperature sensor incorrect operation
9
Led Blinking : Potentiometer incorrect operation or on board control/wall mounted thermostat conflicting
mode selection
5
Led Blinking : Fan Coil / Chiller conflicting mode selection
CHILLED WATER FAN COILS MF – McQuay FCF PM05D_ENG
CONTROL FEATURES
On Board
MFU series, all versions
On / Off
Temperature
Fan Speed
Automatic Fan Speed selection
Operation Mode
Selectable Temperature operation range:
10-30°C or 16-30° C
Automatic re-start with memory settings
Heating/Cooling change-over based on system control input
Auto - diagnosis
Warm and cold draft protection
Antifreeze protection
Air sensor control
Valves 2 or 3 ways with ON/OFF control
Direct Connection
Direct Connection
4 4
5 5
3 3 1 1
2 2
6 6
7 7
8 8
9 9
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