System - Mitsubishi Electric PMCR-50VHA-200D KIT Installation Manual

3. System

The FTC2BR is designed for use with a number of heat pump systems. Please refer to the following table to find the relevant installation information for your system.
3.1. First step (Electrical work)
Mode select
Remote controller Remote controller
Local controller Remote controller
(External input:
Contact signal)
Local controller Local controller
(External input:
(External input:
Analog signal)
Contact signal)
en
EN-4
Temp. setting
Local controller
(ON/OFF,MODE)
Local controller
(ON/OFF,MODE,Temp.)
System diagram
Outdoor unit
FTC2BR
Remote controller
Outdoor unit
FTC2BR
Remote controller
Outdoor unit
FTC2BR
Power supplies Operation mode input
Outdoor unit only Remote controller only
4.1 4.2
Outdoor unit only Remote controller
and external input
4.1
4.2
4.4
4.4.1
Outdoor unit only
External input and
analog input
4.1
4.4
4.4.1
4.4.2