10 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932
About this document
Abbrevia-
tions
Name Explanation
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
Table 2: Abbreviations
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 the value 7.5 V.
Italics and
bold
Breakdown of text containing
instructions
Prerequisite, procedure, result
Table 3: Formatting
1.6 Nomenclature
Full name Name in this document
CompTrol Interface V4.0.x expansion module CompTrol Interface
CompTrol Master V1.0.x expansion module CompTrol Master
CompTrol Interface communication bus CompTrol Interface bus
Stulz heat exchanger connection module FDX Heat exchanger connection module FDX
Stulz heat exchanger connection module FDSX Heat exchanger connection module FDSX
Stulz heat exchanger connection module FDXL Heat exchanger connection module FDXL
Stulz heat exchanger connection module FDSXL Heat exchanger connection module FDSXL
Table 4: Nomenclature