11/99 9 - 10 DS 3.401
CONNECTION DIAGRAMS
BASIC DIAGRAM FOR ALM MAINS ACTUATORS BASIC DIAGRAM FOR ALX 24 VOLT ACTUATORS
BASIC DIAGRAM FOR ALE ACTUATORS SEPARATE 24 VOLT POWER SUPPLY TO ALE
TWO-STAGE SEQUENTIAL OPERATION
from one 0-10 volt command signal incorporating dead zone
AUXILIARY SWITCH 831-1-211
Fig.9
Signal on 1 drives towards '10'
Signal on 2 drives towards '0'
Thermostat or other
switching device
Note: Do not connect
ALM actuators in parallel
WARNING -
MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.
Signal on 1 drives towards '10'
Signal on 2 drives towards '0'
Note: Do not connect
ALX actuators in parallel
Controller
Auxiliary Switch
ALX 1251 only
S4 makes to S5 at position '0'
Non-adjustable
WARNINGS -
AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.
MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.
24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER
CONFORMING TO EN 60742.
Fig.10
Fig.11
Controller
Auxiliary Switch
ALE 1352 only
S4makestoS6atposition'0'
Non-adjustable
WARNINGS -
AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.
MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.
24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER
CONFORMING TO EN 60742.
Fig.12
WARNINGS -
AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.
MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.
24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER
CONFORMING TO EN 60742.
Auxiliary Switch
ALE 1352 only
S5makestoS6atposition'0'
Non-adjustable
Controller
Ring Main
Fig.13
Controller
Set 'Switch' to
Set 'START' to 0V 6V
Set 'SPAN' to 4V 4V
STAGE 1
(Heating)
STAGE 2
(Cooling)
STAGE 1
(Heating)
STAGE 2
(Cooling)
Dead
Zone
Controller Output Signal
OUTPUT DIAGRAM
230Vac
Fig.14
WARNINGS -
AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.
MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.
Auxiliary
Switches
Adjustable over
range 0-5
Adjustable over
range 5-10
S4makestoS6at'0',orsetposition
S1 makes to S2 at '10', or set position
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