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Table Of Contents
Phone (413) 594-8695 · Fax (413) 598-8109 
www.tunstall-inc.com • www.maconcontrols.com 
Bulletin-MC-RCM-1014 
Electric Operators 
Tunstall Corporation 
118 Exchange Street • Chicopee, MA 01013 
© July 2014 
We reserve the right to alter designs, specifications and information without notice. 
Remote Control Module -
 MAC-RCM 
14 
► Set the desired temperature units and confirm by pressing the knob. 
The display switches to the initial display. 
Service level 
Access code
► Press the knob for 2 s. 
► Use the knob to select the “Service level” function SR. 
► Press the knob. 
► Enter the 4-digit access code 4321. 
Each digit is entered individually and the entry is confirmed by pressing the knob. 
If the access code was entered incorrectly, the display ER appears. 
Registration function 
See chapter “Registering the MAC-RCM on MAC-WSA wireless small actuator wireless part-
ners”, page 16. 
Delete function 
See chapter “Deleting the wireless partner on the MAC-RCM, page 17. 
Software version display 
► Use the knob to select the “Software version display” function F. 
■ The current software version is displayed. 










