Stulz EC Tower ECD 91 - 1.4 Abbreviations; 1.5 Formatting; 1.6 Nomenclature

143 © STULZ GmbH – all rights reserved EN/01.2019/G22
ec tower technical manual
1.4 Abbreviations
Abbreviations Name Explanation
A
Ampere SI unit for electrical current
AC
Alternating current
─
DC
Direct current
─
DIP
Dual in-line package Describes small switches with two parallel terminal strips
GND
Ground Ground wire or signal ground
I
out
Output current
─
K
Kelvin SI unit for temperature
LED
Light-emitting diode
─
MHI
MITSUBISHI Heavy Industries Japanese manufacturer of air conditioning units
min
Minute
─
N
Neutral wire
─
NC
Normally closed Relay contact
NO
Normally open Relay contact
s
Second SI base unit for time
U
p
Supply voltage
─
U
out
Output voltage
─
U
in
Input voltage
─
V
Volt SI unit for electrical voltage
Ω
Ohm SI unit for electrical resistance
1.5 Formatting
Format Name Example
Bold
Messages on 7-segment display
Terminals
Operating states
Actuated components
Values that require setting
F1 (for fan speed 1).
Connect the cable to terminal X2D1.
ON or OFF.
DIP switch S2
Set the voltage to 7.5 V.
1.6 Nomenclature
Full name Name in this document
CompTrol InterfaceIIIk board InterfaceIIIk
STULZ heat exchanger terminal module FDX Heat exchanger connection module FDX
STULZ heat exchanger connection module FDSX Heat exchanger connection module FDSX