Honeywell Switch 43191105 User Manual

43191680-105  
Auxiliary Switch  
INSTALLATION INSTRUCTIONS  
APPLICATION  
INSTALLATION  
The 43191680-105 Dual Auxiliary Switch provides two  
independent, spdt switching functions. Switching points  
are adjustable over the full length of the actuator stroke; for  
example, the switch can be used to switch pumps at any  
point or to provide remote indication of any specific stroke  
position. These switches are used with valve actuators as  
shown in Table 1. The switches are furnished factory wired  
to the terminal block. Fig. 1 illustrates the parts furnished  
with this switch and the wiring connections.  
When Installing this Product...  
Read these instructions carefully. Failure to follow  
them could result in the equipment not operating  
properly.  
Check the part numbers in the preceding section to  
be sure that the product is suitable for your applica-  
tion.  
The installer must be a trained, experienced service  
technician.  
After completing installation, use these instructions  
to check product operation.  
IMPORTANT  
These switches are rated at 24 Vac maximum.  
Table 1. Applicable Actuators for  
43191680-105 Dual Auxiliary Switches.  
CAUTION  
Disconnect the power supply to the auxiliary  
potentiometer and actuator before beginning  
installation to prevent electrical shock or equip-  
ment damage.  
Spring Action on  
Actuator  
ML6425A  
Power Failure  
Extends stem  
Retracts stem  
Extends stem  
Retracts stem  
ML6425B  
ML7425A  
ML7425B  
Mounting, Connecting, and Adjusting  
Remove actuator cover.  
Mount the auxiliary switch assembly and terminal  
label on the actuator base. Make sure the two tabs  
on the bottom of the switch assembly slip snugly into  
the slots provided. See Fig. 2.  
S1  
SI  
S2  
S2  
3
1
2
3
1
2
S1  
S2  
6
4
5
9
7
8
6
4
5
9
7
8
1
2
3
4
5
6
C8394  
C8393  
Fig. 1. Auxiliary switch parts and wiring.  
Fig. 2. Installing auxiliary switch assembly.  
Secure auxiliary switch assembly by pressing top  
back until assembly snaps into place. See Fig. 3.  
Copyright © 1997 Honeywell Inc. • All Rights Reserved  
63-2524  
 
43191680-105 AUXILIARY SWITCH  
Wiring  
Route field wiring in through the conduit opening in the  
bottom of the actuator, connect to the switch assembly  
terminal block according to the job drawings, and replace  
the actuator cover. See Fig. 1 for terminal identification.  
S1  
S2  
1 X MAX.  
CAUTION  
Disconnect the power supply to the auxiliary  
switches and actuator before wiring to prevent  
electrical shock or equipment damage.  
All wiring must comply with local codes, regulations, and  
ordinances.  
100  
0
i
CHECKOUT  
i
Drive actuator shaft fully up and fully down and check the  
function of the auxiliary switches in the control system.  
C8397  
Fig. 6. Adjusting switching points.  
3
63-2524  
 
Home and Building Control  
Honeywell Inc.  
Honeywell Plaza  
Helping You Control Your World®  
Home and Building Control  
Honeywell Limited-Honeywell Limitée  
155 Gordon Baker Road  
North York, Ontario  
P.O. Box 524  
Minneapolis, MN 55408-0524  
M2H 2C9  
63-2524 G.C. 1-97 Printed in U.S.A  
 

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