TVC Ethos Two - 1. Introduction; 1.1. Purpose; 1.2. Scope; 1.3. Acronyms and Definitions

Page 4 of 102
TVL 351
ISSUE 15
1. Introduction
This manual is to be read in conjunction with the main wiring schematics. It is important that you familiarise yourself
with the manual and drawings before commencing any work with the Ethos Two controller.
TVC accepts no liability for any damage resulting from incorrect or inappropriate installation or adjustment of
optional parameters of the equipment.
TVC reserves the right to change the specification of the product, its performance or the contents of the manual
without notice.
1.1. Purpose
This manual is to be used as a guide to aid installation, servicing and fault finding of an Ethos Two control panel.
The document is intended to be read by lift installers, testers and service engineers.
1.2. Scope
This manual covers all main variants of the Ethos Two controller, and key ancillaries supplied with the system.
1.3. Acronyms and Definitions
ALM Alarm Input
ARO Advance Door Open – Relevelling Output
BFR Bottom Floor Reset
BKR Brake Relay
CAN Controller Area Network
CG Car Gate Locks
GL Landing Gate Locks
DZ Door Zone
DZC Door Zone (Calculated)
DZM Door Zone Circuit Monitor
EC1 Eco Mode Output
ETSD Emergency Terminal Slowdown
FAM Fire Recall
FSR Fire Service
LAR Lift Available
LISI Lift In Service Indicator
LTLR Low Speed Timer
MC1 Main Motor Contactor
MPU Micro Processor Unit
NERR No Error
PS Control Circuit Power Supply Monitor
PTR Panel Test Relay (Emergency Electrical Operation)
SAF Safety Output
SI3 Spare Input (3)
STR Start Relay
TFR Top Floor Reset
TDN Test Down (Inspection Down)
TTR Test Control Relay (Inspection Control)
TUP Test Up (Inspection Up)
TVC Thames Valley Controls