Specifications

System example
ON/OFF
remote
controller
LOSSNAY
PZ-52SF
PAC-YT51CRB
PAR-F27MEA
PAR-21MAA
ON/OFF remote controller PAC-YT40ANRA
Centralized
Remote Controller
FUNCTION
UNITS
ON/OFF
ERROR INDICATION
VENTILATION OPERATION
(INDEPENDENT)
VENTILATION OPERATION
(INTERLOCKED)
EXTERNAL INPUT
EXTERNAL OUTPUT
DESCRIPTION
Max No.Units
Run and stop operation
LED flashes during failure.
(The error code can be confirmed by removing
the cover.)
Group operation of only LOSSNAY units possible.
*Only ON/OFF of group.
The LOSSNAY will run in interlock with the
operation of indoor unit.
*The fan rate and mode cannot be changed.
The LED will turn ON only during operation after interlocking.
On/Off/Fire Alarm
On/Off/Faults
Just press a switch to start. All of the units can be On/Off by pressing the main switch, and each unit in
the group can be On/Off with individual switch. The PAC-YT40ANRA also has hardwired connection
available (On/Off input, fire alarm input, run output, fault output).
• Dimensions:130(W) x 120(H) x 19(D) mm
:5-1/8(W) x 4-23/32(H) x 3/4(D) in.
PAC-YT40ANRA
OPERATIONS
50 units/16 groups
DISPLAY
• The group setting is kept in nonvolatile
memory. No need to worry about re-setting at
power failure.
• No individual AC power supply is needed.
The power can be supplied from one outdoor
unit (R410A) or Power supply unit.
Group remote controller PAC-SC30GRA
System example
Connect to the centralized transmission line
Power supply
unit
Group remote
controller
PAR-21MAA PAR-21MAA
Connect to the indoor/outdoor transmission line
Group remote
controller
PAR-21MAA PAR-21MAA
• The group setting is kept in nonvolatile
memory. No need to worry about re-setting at
power failure.
• No individual AC power supply is needed.
The power can be supplied from one outdoor
unit (R410A) or Power supply unit.
Up to 8 groups can be operated (maximum of 16 units). Just by pressing PAC-SC30GRA switches, groups can
be On/Off as a batch.
Suitable for small office and residential project.
• Dimensions:130(W) x 120(H) x 19(D) mm
:5-1/8(W) x 4-23/32(H) x 3/4(D) in.
FUNCTION
UNITS
ON/OFF
MODE SELECTION
TEMPERATURE SETTING
FAN SPEED SETTINGS
AIR FLOW DIRECTION SETTING
PERMIT/PROHIBIT FUNCTION
INDOOR RETURN AIR TEMPERATURE
ERROR INDICATION
VENTILATION INTERLOCK
DESCRIPTION
Max No.Units
Run and stop operation
Switches between Cool/Dry/Auto/Fan/Heat.
Operation Mode will vary depending on the
indoor unit. Auto mode is available with only
R2 and WR2 systems
Sets the groups temperature control.
Cool/Dry:19-30°C
Heat:17-28°C
Auto:19-28°C
4 speed – Hi-Mid2-Mid1-Low, Auto
3 speed – Hi-Mid-Low, Auto
2 speed – Hi-Low
Air flow angles: 4-angle or 5-angle, Swing, Auto,
Louver ON/OFF
Run/Stop,Temperature Setting, Mode Selection
and Filter Reset functions can be prohibited
via main system controller
Measures the intake temperature of the
master unit within the group
Displays a 4 digit code and the affected
unit address
Allows the group to be interlocked with a heat
recovery Lossnay unit
PAC-SC30GRA
OPERATIONS
16 units / 8 groups
DISPLAY