Specifications
Wiring Schematics
Remote Controller Options
35 36
1
2
3
Terminal
1
UNIT B
2
3
4
UNIT C
5
6
7
UNIT D
8
9
10
11
12
1
2
L1
L2
INDOOR UNIT
UNIT A
(A)
1
2
3
Terminal
INDOOR UNIT
(B)
Terminal
(
2P
)
Terminal
(
12P
)
OUTDOOR UNIT
Disconnect
switch
230/208V
230/208V
230/208V
230/208V
230/208V
230/208V
Grounding line
Grounding line
Field supply
230/208V
230/208V
230/208V
230/208V
1
2
3
Terminal
INDOOR UNIT
(C)
1
2
3
Terminal
INDOOR UNIT
(D)
(Inter-unit)
power line
230/208V
230/208V
Power supply
Single-phase 230/208VAC 60HZ
Grounding line
Grounding
line
Grounding
line
Disconnect switch
Field supply
Disconnect
switch
Field supply
Disconnect switch
Field supply
(A)
(B)
(B)
(B)
(B)
(B)
(B)
(B)
(B)
(C)
(C)
(C)
(C)
*
*
*
*
Key Features (Standard Remote/7 Day Timer):
• Thin and Easy To Read
• Simple To Install and Use
• Can Be Adapted for Use On
All Indoor Units
• Fan Speed Control
• Airflow Direction
• Operating Mode (Heating/Cooling/Auto/Dry/Fan)
• Vacation Mode for Continued Energy Efficiencies
• Full 7 Day Set-Back Functionality,
With Up To 6 Time Periods/Day
• Full System Diagnostic Capability
(Diagnostic History Provides Immediate View of System
Past and Present.)
Key Features (Simple Remote):
• Thin and Easy To Read
• Simple To Install and Use
• Can Be Adapted for Use On All 26,000
through 42,000 Utu/h Indoor Units.
• Mode
• Fan Speed Control
• Set Temperature
• On/Off
• Airflow Direction
• Perfectly Suited for Applications Where
Simpler Functionality is Required
(ie: Hotel Rooms, Nursing Homes, Offices)
Multiple Zone Controllers.
The Air Conditioning Gateway.
Panasonic’s system and intelligent controls are the
central nervous system of the conditioning system,
the gateway to all data, temperature and system
diagnostics and the heart and soul of conditioning.
Key Features (System Control):
• Controls Up To 64 Units Into 4
Individualized Zones
• Alarm and Operational Signal Output
• Single Access Points for All Connected
Wired Remotes
Remote Controller Options for Models 26,000 Btu’s and Larger Wiring Schematics
RAC Multi wiring schematic
1
2
3
4
5
6
G
Power
Supply
Ground
Outdoor Unit
115 or 208/230
115 or 208/230
12-15 VDC Signal
1
2
3
GG
Indoor Unit
Disconnect Switch
(Field Supplied)
Disconnect Switch
(Field Supplied)
G G
G
G G
G G
G
9,000 - 24,000 Btu/h single zone, KS30/36 NKUA, KE30/36NKU
G G
G
G G
G G
G
CZ-RELC2 (with Backlight)
CZ-RTC2 CZ-64ESMC1U
Applicable Unit
Wireless
Remote Controller
U1-
series
(Ceiling Recessed Type)
T1-
series
(Ceiling Suspended Type)
For All Large capacity series
Indoor Units
Built-in type
• Signal receiving unit can be installed in the outer panel of
indoor unit.
• Control panel can be installed in the inside indoor unit.
External type
• Separate type signal receiving unit.
Timer Remote Controller
(CZ-RTC2)
System Controller
(CZ-64ESMC1U)
Function
ON/OFF
l l
(Collective/Individual)
Operation
mode
switch
Heating
l l
(Individual)
Dry
l l
(Individual)
Cooling
l l
(Individual)
Fan
l l
(Individual)
Temp setting
l l
(Individual)
Fan speed setting (Hi/Mid./Lo/Auto)
l l
(Individual)
Auto flap
Auto airflow direction setting
l l
Arbitrary airflow direction setting
l l
*
Sweep (Flap swing)
l l
*
Sensor temp. display
l 5
Self-diagnostic function
l l
System
Central control (at hand inhibited)
5 l
Group control
l
(Up to 8 units)
l
(Up to 64 groups)
Concurrent use with weekly timer
l l
Setting Range
Cooling, dry (˚F) 65 – 86
Heating (˚F) 61 – 79
CZ-RWSU2U
CZ-RWSC1U
CZ-RWSK1U
K1-
series
Wired Remote Controllers (Except KE30/36NKU, KS30/36NKU)
Wireless Remote Controllers
Remote Controllers Functions
System Controller
Simplified Remote Controller
26,000 - 42,000 Btu/h single zone wiring schematic
(Except KS30/36NKUA, KE30/36NKU)
l
: Controllable
5
: Uncontrollable
Note:
If you use both remote controller and system controller
concurrently, both controllers can be used on a last-
signal priority basis.
Timer Remote Controller
Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit
Indoor Unit
Fig. 25b
Outdoor Unit
For S9/12/18/24/NKUA, S9/12/18/22/NKU-1,
E9/12/18/24NKUA
For CU-2S18NBU-1 / CU-2E18NBU4 indoor units with CU-4KE24NBU, CU-4KE31NBU
U2
L2
U1
L1
L1
L2
U1
U2
2
1
WHT
Remote
Controller
B
Indoor
unit
L1*
L2*
Grounding line
BLK
2
1
Inter-unit power line
208 / 230 V, 60 Hz
, 1-PH
Power supply
208 / 230 V, 60Hz, 1-PH
Grounding line
A
Outdoor unit
INV unit
1
2
G
*Disconnect Switch to be field supplied.
18/2 Shielded cable required
*
*
*These wiring diagrams are for reference only. Please refer to installation manual for details.
*Please be sure to follow National/Local codes for installation
CZ-RE2C2