Daikin EKRTW Installation manuals
EKRTW
INSTALLATION MANUAL
Room thermostat
1.5 m
>0.2 m
>0.2 m
1
1
2
±1.5 m
±1.5 m
>0.2 m
>0.2 m
2
3
87
60
12534
3
EKRTW
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.
Contents
1. Introduction ............................................................................1
2. Installation of EKRTW............................................................ 2
3. Setting up codes in the installer menu...................................5
4. Technical characteristics ...................................................... 10
1. Introduction
The room thermostat EKRTW can be used to control floor
heating-only applications and floor heating/cooling applications.
It is typically connected to the indoor unit. Refer to the "Typical
application examples" in the Installation manual of the indoor
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.
■
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.
EKRTW
Room thermostat
4PW44896-1C
Installation manual
1
2. Installation of EKRTW
The EKRTW thermostat is wall-mounted, with supplied screws
and plugs. Refer to figure 1.
Cabling towards the indoor system (field supply) should be
foreseen in advance taking the suggestions for an ideal
installation location into account. Refer to figure 2.
Before obtaining access to terminals, all power
supply circuits must be interrupted.
1
At the left of the thermostat, gently push the lid.
2
Remove the front cover by pulling it towards you.
3
Unscrew the screw of the cable holder in the bottom left
corner of the back part of the thermostat and remove the
transparent cable protection.
4
Remove the battery insulator.
4
1
5
Drill holes in the wall taking the dimensions of the thermostat
into account and insert the supplied plugs in the holes.
Refer to figure 3 (unit of measurement: mm).
3
3
2
3
Installation manual
2
EKRTW
Room thermostat
4PW44896-1C
6
Pass the indoor unit or motorized valve wiring through the
back of the thermostat.
7
According your application, perform the wiring.
7a
When connected to the indoor unit, wire the indoor unit and
the thermostat as shown below.
EKHB(H/X)008
EKHB(H/X)007AC***
EKHB(H/X)016
X1M
HCL N
23 17 15 13
C
com
H
EKRTW
X1M
HCL N
1234
X2M
C
com
H
H Heating demand
C Cooling demand
For heating-only applications, wire 17-C or 2-C is not to be
installed.
Use wire size 0.75~1.50 mm
EKRTW
Room thermostat
4PW44896-1C
2
.
Installation manual
EKRTW
3
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