TD 70
PROGRAM AND ELECTRICAL FEATURES TD 70 A
General design
TD 70 A have thermostat-controlled automatic programs to 47° C or 60° C and time
programs up to 60 min.
Alternative connections
Alternative connections are single-phase, 230 V, 10 or 16 A with 1900 and 2850 W
power respectively, 2-phase 400 V, 10 A, 2850 W (normal on delivery) 3-phase, 400
V, 10 A, 2850 W or 3-phase, 230 V, 16 A, 2850 W heating capacity.
Switching
Switching between the various alternative connections is made directly on the con-
nection terminal board according to directions given.
Programs TD 70 A
The automatic programs can be started in setting 1 or 2. Setting 2 is more used, and
gives drying to selected temperature, after which the program continues for about 14
minutes without any heat.
Setting 1 starts earlier in the program and has facility for reconnection of heat for
better drying of small loads.
Program 3 is a time program with setting every 10 minutes. Program 4 is ventilation
without heat, in practice the same as the end of the time program, approximately 14
minutes.
The program unit
The program unit has a mecanically marked setting points, motor with 4-min-stages
and built-in buzzer.
Pushbuttons
The pushbuttons have the following functions:
S Start of program by means of starter relay
T Gives 47°C in pressed-in position and 60°C in released position
Main switch
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