Mitsubishi Electric PUHZ-W50VHA Technical Manual page 15

3 System design
3-1. System type
* with step I/F by digital/analog signals
* with FTC simple/basic/analog temp.
Application Capacity control
Local controller
Air to Air
I/F
Local controller
Air to Water
FTC
* PAC-IF010-E, PAC-IF020-E : PCB 10pcs/set
3-2. Combination of remote controller
Remote controller model
PAR-21MAA (Standard)
PAR-W21MAA (Only for FTC)
PAR-20MAA (Standard)
(Old )
3-3. Flow chart to check system type
ATW
application
IF
Variable capacity
request signals for
Heat Pump is
calculated...
By our FTC
For
Manufacturer
Individual installer
Manufacturer
Individual installer
Manufacturer
Individual installer
Manufacturer
Individual installer
Connected object
I/F
FTC
I/F
FTC
I/F
FTC
start
By local
controller
(your side)
DIGITAL STEP
SYSTEM
By Non-voltage
Contact signals
IF PCB
ON/OF
Operation
mode
-Heating
-Cooling
Capacity
steps
Remote
By Non-voltage
Contact signals
for maintenance
- to check error code
Model name
PAC-IF010-E *
PAC-IF011B-E
PAC-IF010-E *
PAC-IF011B-E
PAC-IF010-E *
PAC-IF011B-E
PAC-IF020-E *
PAC-IF021B-E
Connectability
OK
NG (Continue to indicate "PLEASE WAIT")
NG (Continue to indicate "PLEASE WAIT")
OK
NG (Continue to indicate "PLEASE WAIT")
NG (Continue to indicate "PLEASE WAIT")
capacity
signals
protocol is...
digital step
(non-voltage contact)
Your system is
DIGITAL STEP
SYSTEM
(IF)
System controller IF PCB
(locally supplied)
End user interface
Remote
For maintenance purpose
- analog signal parameters
15 15
Type
PCB only
Cased
PCB only
STEP I/F
Cased
PCB only
Cased
PCB only
FTC
Cased with R/C
Analog
(0-10v/4-20mA...)
Your system is
ANALOG STEP
SYSTEM
(IF)
ANALOG STEP
SYSTEM
By Non-voltage
Contact signals
System
ON/OF
controller
(locally supplied)
Operation
mode
End user interface
-Heating
-Cooling
Capacity
steps
By Analog signal
4-20mA / 1-5V / 0-10V
Continued to next page.