System - Mitsubishi Electric PAC-IF051B-E Installation Manual

3. System

The FTC4 (Master) 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.
For multiple outdoor units control with FTC4 (Slave), see section 9.
3.1 First step (Electrical work)
Power supplies
FTC4 (Master) powered via outdoor unit
FTC4 (Master) powered by independent
source
3.2 Second step (Outdoor unit type)
Outdoor unit type
Split
Packaged
* PAC-IF052B-E is not available for Split-type system.
Outdoor unit
Outdoor unit
System diagram
Heat exchanger
TH2
Outdoor unit
Heat exchanger
Outdoor unit
System diagram
Wireless receiver
(Option)
FTC4 (Master)
Wireless Remote controller
(Option)
Main controller
Wireless receiver
(Option)
FTC4 (Master)
Wireless Remote controller
(Option)
Main controller
Thermistor
TH2: Liquid refrigerant temp.
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Reference
section
4.1
4.2
4.1
4.2
Reference
section
4.4
5.2
4.4
5.2
5