w7752dge51
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Room temperature controller for 2- and 4-pipe fan coil units.
For heater, cooler, electric re-heat and 1,2,3-speed fans.
Heating output signal 2 triacs (24V~, 250mA) configurable for thermal, 3-pt, PWM or single/multistage control
Cooling output signal 2 triacs (24V~, 250mA) configurable for thermal, 3-pt, PWM or single/multistage control
Fan output signal 3 relays (250V~, 3A)
Re-heat output signal 1 relay (250V~, 10A) (6A UL916)
Control functions heat only, cool only, heat/cool change over, heat and cool in sequence; in addition electrical reheat; zero energy band
Modes of operation occupied, standby, unoccupied, open window, frost protection, smoke control, fan fail, summer/winter change over
Obligatory inputs 1 analogue input for room temperature sensor NTC20k; or apply additional XL10 wall-module with build in sensor on dedicated input terminal
Optional inputs
1 digital input configurable for: window or occupancy or or movement or change over or airflow
XL10 wall module input (T7460, T7560-series) with temperature sensor and other functions
network input for temperature sensor, setpoint adjustment, bypass and other functions
Stand-alone operation yes
Network operation yes
Bus system LonWorks(R)
LonMark(R) profile 8020
Power supply 230 Vac | 30 VA 
Fan speed outputs 3
Re-heat output yes
applcertmarklonmarkuk0y
TypeDownloads
 TXTPDF
W7752D2007 TXT
PDF
Specification sheet (English) Installation/mounting instruction (English) Engineering Manual (English) Certificate (Multilingual)