Assortment / System Description

9
Synco 100
The Synco 100 temperature controllers are compact electronic devices for direct
mounting on plant. All that is required is power supply and connection of their
inputs and outputs.
Device Voltage Product
no.
Data Sheet
Immersion differential temperature controller (2-pos.)
To control temperature differentials between 2 plant elements
(e.g. in solar plants). RLE127. QAZ incl. QAP21.2
AC 230 V RLE127 N3337
Temperature controller with positioning signal (3-pos.)
For heating plants or DHW heating with minimum/maximum
limitation
AC 230 V RLE132 N3334
Temperature controller with 2 outputs DC 0…10 V
For heating or cooling plants, weather-compensated heating
and/or cooling, minimum and maximum limitation
AC 24 V RLE162 N3333
Air duct temperature controller with 2 outputs DC 0…10 V
For supply/extract air control in ventilation plants. Control of
heating/cooling valves, air dampers and current valves
AC 24 V RLM162 N3332
Room temperature controller with 2 outputs DC 0…10 V
For control and limitation of room temperature in small plants
with a reference room
AC 24 V RLA162 N3331
Room temperature controller with 2 outputs DC 0…10 V
For indirect control of room temperature (e.g. via the supply
air temperature and fan control)
AC 24 V RLA162.1 N3336
HIT  HVAC Integrated Tool (see page 87)
To select and engineer plants operating with Synco 100
www.siemens.com/HIT
With all types of Synco 100 temperature controllers, the functions are selected via
6 DIP switches (example below shows the RLM162 controller).
Function 1 2 3 4 5 6 Effect
Heating and cooling in sequence
2-stage heating
1-stage cooling
Operating mode
1-stage heating
P-control action
PI, integral action time = 600 s (SLOW)
PI, integral action time = 120 s (FAST)
Integral action time
PI, integral action time = 180 s (MEDIUM)
Test mode Test mode
Normal operation
HIGH Running time of
actuator
LOW
1
6
23 5
3332P02
4
1
2
3
4
5
6
LED for test mode (flashing) and normal
operation (lit)
DIP switch block
Setting slider for setpoint increase
and decrease
Setting potentiometer for P-band or
(depending on type) switching point relay
Setting potentiometer for P-band Y1
Setting slider for setpoint adjustment
Introduction
Overview
Functions
DIP switch block