Danfoss RT 106 Thermostat Installation Guide

June 9, 2024
Danfoss

ENGINEERING
TOMORROW

Installation guide

Thermostat
RT 106

Danfoss RT 106 Thermostat -

Thermostat type RT 106

Technical data

Contact load: switch 017-4030, see fig. 9
Enclosure: IP66 acc. to IEC 529 and EN60529 Permissible ambient temperature:
-50 °C – 70 °C
Maximum sensor temperature: 120 °C

Installation

A set of Pg13.5 cable gland is attached to the RT in a separate bag. To ensure IP66 (units with automatic reset) or IP54 (units with external reset) grade of RT enclosure it is necessary to assemble this gland as shown in the fig. 2. If this gland is not used with a cable, a metal blinding should be also assembled.
RT units can be fitted in any position.
For correct fitting of bulb pockets. See fig. 1.
See figs. 4, 6 and 9.
Clip locating strip A (fig. 1) to length in accordance with fig. 3.
with outdoor installation, the unit should be protected against direct rainfall. It could, for example, be placed under a lean-to roof.

Setting

Set the thermostat ( fig. 7) to the function required (make or break) on falling temperature. Read the setting on the main scale fig. 7.

Example
An RT 106 is required to regulate the temperature in an oil-fired central heating boiler.
Maximum temperature: 55 °C
Minimum temperature: 50 °C
Differential: 55 °C – 50 °C = 5 °C

  1. Connect the oil burner to terminals 2–1
  2.  Set the thermostate for 50 °C
  3. Set the differential adjusting nut fig. 7 on number 3 which can be found by reading of the nomogram in fig. 8.
    A. Range setting
    B. Differential obtained
    C. Differential setting

© Danfoss | Climate Solutions | 2021.07
AN16268643544901-000102
Info for UK customers only: Danfoss Ltd., 22 Wycombe End, HP9 1N

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