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RET 230 HC-1 &
RET 230 HCA-1
GB
F
D
ES
DK
NL
GR
LT
PL
I
Installation Instructions
User Instructions
Instructions d’installation
Instructions d’utilisateur
Anweisungen für Installati
Benutzeranweisen
Instrucciones de instalación
Instrucciones del usuario
Instruktions vejledning
Brugervejleding
Electronic Heat / Cool thermostat
with auto-changeover
Installatie handleiding
Instructiesevoor Gebruik
Ïäçãßåò åãêáôÜóôáóçò
Ïäçãßåò ÷ñÞóçò
Instrukcja instalacji
Instrukcja Użytkownika
Montavimo instrukcijos
Informacija Vartotojui
Istruzioni per l’uso
Istruzioni per l’utente
2
Index
INDEX
Installation Instructions 3-8
User Instructions 9
Instructions d’installation 10-15
Instructions d’utilisateur 16
Anweisungen für Installati 17-22
Benutzeranweisen 23
Instrucciones de instalación 24-29
Instrucciones del usuario 30
Instruktions vejledning 31-36
Brugervejleding 37
Installatie handleiding 38-43
Instructiesevoor Gebruik 44
Ïäçãßåò åãêáôÜóôáóçò 45-50
Ïäçãßåò ÷ñÞóçò 51
Instrukcja instalacji 52-57
Instrukcja Użytkownika 58
Montavimo instrukcijos 59-64
Informacija Vartotojui 65
Istruzioni per l’uso 66-71
Istruzioni per l’utente 72
F
D
ES
DK
NL
GR
PL
LT
I
3
Please note
This product should only be installed be a
suitably qualied electrician or heating installer.
The installation must comply with local Building
Regulations and wiring Regulations, including any
competent person requirements that may exist
Installation
Instructions
GB
GB - Installation Instructions
Thermostat features
Temperature range, heating 5-30°C
Temperature range, cooling 7-32°C at dead-band of 2K
9-34°C at dead-band of 4K
Selectable dead-band 2 or 4K
Thermostat off/auto & fan on
selector
l
Power supply 230 Vac ± 15%, 50/60Hz
Relay outputs, heat, cool & fan 3 x SPST, 3(1)A, 10-230 Vac,
Type 1B
Dimensions (mm) 110 wide x 90 high x 40 high
Design standard EN60730-2-9
Rated impulse voltage 2.5Kv
Ball hardness test 75°C
Control pollution situation Degree 2
Temperature accuracy ±1°C
Specication
4
GB - Installation Instructions
Product overview
The thermostat is primarily designed for use in systems
equipped with 4-pipe fan-coil units. It may also be used in
other heat / cool systems, including split systems and air to
air heat-pumps.
The thermostat controls room temperature by sequencing
the operation of heating and cooling. A selectable dead-band
prevents overlap of heating and cooling processes. For
systems equipped with compressor derived cooling, including
heat-pumps, a selectable compressor delay timer is also
included. If used to control a heat-pump, the reversing valve
can be energisation on either a heat or cool demand.
Installation
o First remove the wallplate from the back of the unit.
o Ensure that there is a minimum of 50mm above the
unit and 100mm below the unit in order to mount the
plug-in module.
o Fix at a height of
approximately 1.5m
from the oor, away
from draughts or heat
sources such a fan-coil
outlets, sunlight or ofce
equipment.
5
GB - Installation Instructions
Wiring
X SEN
X SEN
N
L
FAN
1
COM
HEAT/
RV
COOL/
COMP.
1
SPEED
FAN
ELECTRONICS
N
COOLING OUTPUT
HEATING OUTPUT
COMMON IN
(LIVE IN)
REMOTE
SENSOR
('A' MODELS ONLY)
230 VAC
FIXED 3A
N
L
Note: If HEAT / COOL / FAN outputs are 230V, link terminals L-COM
Note:
If HEAT/COOL/FAN
outputs are
230V, link terminals
L - COM
N
L
FAN
1
COM
HEAT/
RV
COOL/
COMP.
ELECTRONICS
N
COMPRESSOR
REVERSING VALVE
COMMON
(LIVE IN)
REMOTE
SENSOR
('A' MODELS ONLY)
230 VAC
FIXED 3A
X SEN
X SEN
1
SPEED
FAN
4-pipe fan coil application
Heat-pump application
Note:
If HEAT/COOL/FAN
outputs are
230V, link terminals
L - COM
6
GB - Installation Instructions
Commissioning
Prior to re-tting the thermostat to the wallplate, the DIL
switches on the rear of the unit must be set to the desired
setting.
DIL Switch options, shown in factory set position (all switches
in On position)
ON
On/Off
Chrono
Chrono 3Chrono 6
˚C
˚F
No Comp Del
Comp Del
3 Minutes
4 Minutes
DB 2˚C/4˚F
DB 4˚C/8˚F
Fan Coil Heat Pump
RV-
RV+
Sw On
1
2
3
4
5
6
7
8
DIL Switch descriptions
Switch 8: If set to On/Off, both heating and cooling stages
operate in on/off mode. If set to Chrono, heating
stage operates in chrono-proportional modes,
cooling continues in On/off mode.
7
GB - Installation Instructions
Switch 7: Active only if switch 8 is set to Chrono. This
switch determines the number of cycles per hour
that the thermostat will impose on the system,
the options are three 20 minute cycles or six 10
minute cycles.
Switch 6: Allows Celsius or Fahrenheit temperature scaling
to be selected.
Switch 5: Enables or disables a compressor delay timer
which is activated at the end of each cooling call.
This feature need only be used where cooling is
provided by a compressor as opposed to chilled
water. Set to Cmp del if a compressor delay is
required, otherwise leave set to No Cmp del.
Switch 4: Active only if switch 5 is set to Cmp del. The op-
tions are 3 or 4 minutes.
Switch 3: Allows dead-band between heating and cooling to
be set, options are 2°C or 4°C.
Switch 2: Allows application to set as fan coil or as heat
pump. If heat-pump is selected, the output
normally used to operate the heating valve is
re-assigned to the heat-pump reversing valve,
the compressor stop/start signal for both heat
and cool calls is re-assigned to the relay normally
used to operate the cooling valve.
Switch 1: The function of this switch is dependent upon the
setting of switch 2:
o Switch 2 set to Fan-coil: Leave set to TS2
o Switch 2 set to Heat-pump: allows the reversing valve to
be set up to be energised in heating mode (R+), or
energised in cooling mode (R-)
8
GB - Installation Instructions
Mounting thermostat to the wallplate
o To mount the thermostat to the wallplate, align the
tabs on the top of the thermostat with the apertures in
the wallplate and hinge the thermostat down, pressing
rmly to engage the securing clip in the wallplate.
Locking & limiting
o To lock or limit the setting range turn the setting dial to 3
and remove knob.
o Position the locking springs on the rear of the dial to the
desired position and re-mount the knob ensuring that
number 3 on the dial aligns with the reference mark
on the case.
9
GB - User Instructions
Fan runs continuously
Fan runs with heat or
cool demand
Thermostat off
LED lit green when
thermostat is powered
LED lit orange when
fan running
LCD display, shows actual room temperature unless knob is moved at which
time a ashing set temperature is momentarily displayed. During heating
demand a ame symbol is lit, during cooling demand a snowake symbol is lit
LED lit red during heating
demand
LED lit green when
cooling demand.
LED ashes green during
compressor delay period
Temperature setting dial,
read setting off LCD display
Note: Should it be necessary to reset the microprocessor for any reason, a reset button is located beneath the setting dial. Use
a non-metallic point, for example a match- stick to depress the recessed button.
RESET
button
www.danfoss.com/BusinessAreas/Heating
Part No 39050 Issue 03 05/06 SW VER 2.1
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