Daikin EKRTWA User manual

INSTALLATION MANUAL
Installation manual
Room thermostat English
Installationsanleitung
Raumthermostat Deutsch
Manuel d'installation
Thermostat d'ambiance Français
Montagehandleiding
Kamerthermostaat Nederlands
Manual de instalación
Termostato de la habitación Español
Manuale d'installazione
Termostato ambiente Italiano
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£ÂÚÌÔÛÙ¿Ù˘ ‰ˆÌ·Ù›Ô˘ EÏÏËÓÈο
Manual de instalação
Termóstato de ambiente Portugues
Installationshandbok
Rumstermostat Svenska
Installeringshåndbok
Romtermostat Norsk
EKRTWA
Room thermostat
1D_IM_4PW56101-1.book Page 1 Thursday, August 27, 2009 10:44 AM

60 mm/2.36 inch
125 mm/4.92 inch 34 mm/1.34 inch
87 mm/3.43 inch
2
1
3
±1.5 m
1.5 m
±60 inch
60 inch
±1.5 m ±60 inch
>8 inch
>8 inch
>0.2 m
>0.2 m
>8 inch
>0.2 m
>0.2 m
1
2
3
1D_IM_4PW56101-1.book Page 1 Thursday, August 27, 2009 10:44 AM

EKRTWA
Room thermostat
4PW56101-1
Installation manual
1
The English text is the original instruction. Other languages are
translations of the original instructions.
Contents
1. Introduction ............................................................................1
2. Installation of the EKRTWA.................................................... 2
3. Setting up codes in the installer menu ................................... 5
4. Technical characteristics ...................................................... 11
1. Introduction
The room thermostat EKRTWA can be used to control the Daikin
system (radiator heating and floor heating/cooling applications).
It is typically connected to the Daikin unit. Refer to the "Typical
application examples" in the Installation manual of the Daikin
unit.
■In case of floor heating-only applications the room
thermostat can also be connected to the individual motorized
valve of the floor heating loop.
EKRTWA Room thermostat Installation manual
Read this manual attentively before starting up the unit.
Do not throw it away. Keep it in your files for future
reference.
Improper installation or attachment of equipment or
accessories could result in electric shock, short-circuit,
leaks, fire or other damage to the equipment. Be sure
only to use accessories made by Daikin which are
specifically designed for the use with the equipment and
have them installed by a professional.
If unsure of installation procedures or use, always
contact your dealer for advice and information.
1D_IM_4PW56101-1.book Page 1 Thursday, August 27, 2009 10:44 AM

Installation manual
2
EKRTWA
Room thermostat
4PW56101-1
■If a floor heating-only application is used in combination with
fan coil units each fan coil unit should have its dedicated fan
coil thermostat.
2. Installation of the EKRTWA
The EKRTWA thermostat is wall-mounted, with supplied screws
and plugs. Refer to figure 1.
Cabling towards the Daikin system (field supply) should be
foreseen in advance taking the suggestions for an ideal
installation location into account. Refer to figure 2.
1At the left of the thermostat, gently push the lid.
2Remove the front cover by pulling it towards you.
3Unscrew the screw of the cable holder in the bottom left
corner of the back part of the thermostat and remove the
transparent cable protection.
4Remove the battery insulator.
5Drill holes in the wall taking the dimensions of the thermostat
into account and insert the supplied plugs in the holes.
Refer to figure 3.
Before obtaining access to terminals, all power
supply circuits must be interrupted.
3
3
2
1
4
3
1D_IM_4PW56101-1.book Page 2 Thursday, August 27, 2009 10:44 AM

EKRTWA
Room thermostat
4PW56101-1
Installation manual
3
6Pass the unit or motorized valve wiring through the back of
the thermostat.
7According your application, perform the wiring.
7a When connected to the unit, refer to the wiring diagram of
the unit.
For heating-only applications, wire connection to C is not to
be installed.
Use wire size 0.75~1.50 mm2/AWG18~16.
All field wiring and components must be installed by
a licensed electrician and must comply with relevant
European and national regulations.
Example unit
H Heating demand
C Cooling demand
HCLN
C Hcom
X1M
1D_IM_4PW56101-1.book Page 3 Thursday, August 27, 2009 10:44 AM