Danfoss RET B + RF Operating instructions

RET B + RF

Dial setting thermostat with LCD display

User & Installation Instructions

Installation Instructions 3-8

User Instructions 9-11

Instructions d’installation 12-17

Instructions d’utilisateur 18-20

Installationsanweisungen 21-26

Inbetriebnahme-Instruktion 27-29

Instrucciones de instalación 30-35

Instrucciones del usuario 36-38

Instruktions vejledning 39-44

Brugervejleding 45-47

Installatie handleiding 48-53

Instructiesevoor Gebruik 54-56

Ïäçãßåò åãêáôÜóôáóçò 57-62

Ïäçãßåò ÷ñÞóçò 63-65

Instrukcja instalacji 66-71

Instrukcja Użytkownika 72-74

Montavimo instrukcijos 75-80

Informacija Vartotojui 81-83

Istruzioni per l’uso 84-89

Istruzioni per l’utente 90-92

Installation Instructions GB

Features RET B (RF) / RET B-LS (RF) / RET B-NSB (RF)

Contact rating 10 - 230 Vac, 3 (1) (excl. North America)

Contact rating (N.America) 10 - 24 Vac, 50/60Hz, 3(1)A

Temperature Accuracy ±1°C

Contact Type SPDT Type 1B

Transmitter frequency 433.92 MHz (RF models)

Transmitter range 30m max (RF models)

Power Supply 2 x AA/MN1500 alkaline batteries

Control Pollution Situation Degree 2

Rated Impulse Voltage 2.5 kV

Designed to meet BS EN 60730-2-9 (EN 300220 for RF)

Ball Pressure Test 75°C

Temperature Range 5-30°C

Dimensions (mm) 85 wide x 86 high x 42 deep

Important note RF products: Ensure that there are no large metal objects, such as

boiler cases or other large appliances, in line of sight between the transmitter and

receiver as these will prevent communication between thermostat and receiver.

GB - Installation Instructions

Mounting

Fix at a height of 1.5m

approx from the ﬂoor,

away from draughts or

heat sources such as

radiators, open ﬁres or

direct sunlight.

GB - Installation Instructions

Wiring (not RF models)

RET-B (3050 12/01)





GB - Installation Instructions

DIL switch settings

Heating selection

Slide the DIL switches to the

settings required (see below)

Cooling selection

COOL

ON/OFF

6 CYCLES

°F

COOL

NO DELAY

4 MIN DELAY

°F

HEAT

CHRONO

3 CYCLES

°C

HEAT

2 MIN DELAY

°C

ON/OFF - boiler switches

ON when below set

temperature and OFF when

above

CHRONO -

energy saving

feature which ﬁres the

boiler at regular intervals to

maintain a set temperature,

achieving a constant

ambient environment for

the user.

use 6 Cycles for radiator

systems

use 3 Cycles for

underﬂoor heating

GB - Installation Instructions

COMPRESSOR

DELAY

GB - Installation Instructions

Receiver Wiring (RF only)

RX1 & 2 (3055 12/01)

COM

RX3 (3056 12/01)

RX1 & RX2 RX3

NB. For mains voltage operated systems, link terminal 2 to mains live supply

Locking & Limiting

Commissioning (RF only)

Step 1 RET B-RF

Remove dial, press & hold

LEARN button for 3 seconds

(located under setting dial).

Do not replace the setting dial yet

NOTE: Thermostat now transmits

signal continuously for 5 mins

Step 2 RX1

Press and hold buttons PROG and CH1 until

green light ﬂashes.

Step 3 RX2/RX3

For RX2 or RX3 repeat steps 1 and 2 for each

thermostat and channel, leaving at least 5 mins

between the commissioning of each thermostat.

Step 4 RET B-RF

Replace thermostat setting dial.

LEARN

GB - Installation Instructions

User Instructions

Display

The LCD displays actual room temperature until the

setting dial is moved.

Setting the temperature

Turn setting dial to required temperature. The selected

temperature will ﬂash in the LCD to signify it is showing

set temperature.

After a short period the display stops ﬂashing and shows

actual room temperature.

Thermostat status (heat mode only)

A ﬂame symbol will be lit whenever the thermostat is

calling for heat.

GB - User Instructions

Thermostat status (cool mode only)

A snowﬂake symbol will be lit whenever the thermostat is

calling for cooling. If this is seen to ﬂash, the thermostat output

is delayed for a short period to prevent compressor damage.

Low battery indication

A battery symbol will ﬂash in the display when batteries

require replacement. Batteries should be replaced within

15 days, after which the thermostat will turn off the load it is

controlling. When this happens “Of” will be displayed.

IMPORTANT: alkaline batteries must be used

GB - User Instructions

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