System - Mitsubishi Electric PAC-IF031B-E Installation Manual

3. System

The FTC2 is designed for use with a number of heat pump systems. Please refer to the following table to fi nd the relevant installation information
for your system.
First step (Electrical work)
Power supplies (Outdoor only)
Remote controller or external input
Mode select
Temp. setting
Remote controller Remote controller
(PAR-W21MAA) (PAR-W21MAA)
Local controller Remote controller
(External input) (PAR-W21MAA)
Local controller Analog input
(External input)
4
RG79D525H01_EN.indd 4 RG79D525H01_EN.indd 4
System diagram
Outdoor unit
FTC2
Remote controller
(PAR-W21MAA)
FTC2
Local controller
Remote controller
(ON/OFF,MODE)
(PAR-W21MAA)
FTC2
Local controller
(ON/OFF,MODE,Temp.)
Power supplies
Outdoor unit only
4.1
4.1.1
Outdoor unit only
4.1
4.1.1
Outdoor unit
Outdoor unit only
4.1
4.1.1
Outdoor unit
Operation mode
input
Remote controller
only
4.2
Remote controller
and external input
4.2
4.3
4.3.1
External input and
analog input
4.3
4.3.1
4.3.2
2009/04/10 9:24:27 2009/04/10 9:24:27