UTR-52472 Electronic Temperature Controller Instruction Manual

U 468 931 012 586-8
Operating Instructions
Electronic Temperature Controller
Type UTR-524 72

UTR-52472 Electronic Temperature Controller

Caution 1 !
The device may only be opened and installed according to the circuit diagram on the device or these instructions by a qualified electrician. The existing safety regulations must be observed. In order to comply with safety class II, the necessary installation steps must be taken. This independently mountable electronic device is designed for controlling the temperature. The device confirms to EN 60730, it works according operating principle 1C.

Applications

The controller is suitable for universal use, e.g. for: Floor direct, floor storage or open area heating systems, swimming pool control, air conditioning.

Function

The controller is suitable for:

• heating
• cooling

a) Heating (Terminal -5)
If the temperature measured by the sensor (actual value) is below the setpoint, the controller is switched ON (relay picks up).
If the temperature measured is above the setpoint, the controller is switched OFF (relay in de-energized position).
b) Cooling (Terminal -4)
If the temperature measured by the sensor (actual value) is below the setpoint, the controller is switched OFF (relay de-energized).
If the temperature measured exceeds the setpoint, the controller is switched ON (relay picks up).
c) Hyseresis
Apart from the setpoint, the temperature at which the controller switches over depends also on the hysteresis adjusted (switching differential), see Fig. 1. It can be changed by means of the adjuster “hysteresis.“
d) Temperature setback :
(lowered setpoint) is effected by closing a external-floating contact between terminal 10-11, e.g. by means of an external timer.
The green indicating lamp is lighted when the relay is in on state.
The red indicating lamp warns of sensor failure.
In the event of sensor failure, controller is switched ON. This state is maintained until the fault has been remedied.

Installation / Connection

Fix base of housing by means of the 4 holes provided to a suitable surface. Enter cable for power supply and load through the M16 screwed glands. Enter cable for -switching contact and sensor through the PG-16 screwed gland. Cut out -cable opening. Firmly tighten up screwed glands; tightening torque is 25 Nm. Tightly seal unused screwed glands using suitable material.

Modification for internal temperature setting
Proceed as follows:

1. Remove cover by taking out 4 screws
2. Lever out cap at top of adjusting knob. See Fig. 2
3.  Slacken screw and pull off adjusting knob
4.  Push spindle down into the interior
5. Firmly press the closure plug supplied into the hole from the outside (see Fig. 3)
6. Re-place cover.

Caution 2 !
In order to qualify for degree of protection class IP 65, it is necessary that the closure plug should be pressed in solidly with the rubber gasket.

Cable for sensor and -contact:
Use screened cables where leads are installed in cable ducts or where they are run in parallel with power cables for some distance.
For sensors:
May be extended to a maximum of 100  m with 1.5 mm² conductor area.
For -contact:
May be extended to a maximum of 10 m with 1.5 mm²  conductor area. Cable diameter: 8.6 mm ±0.3 mm.
Installation of sensors:
When installing the sensor, make sure that satisfactory contact exists with the heat source.
The sensor should be able to follow the temperature changes in the medium to be controlled.
When installing the standard type of sensor in liquid media or in areas where access is difficult, it is absolutely necessary to provide a protective tube (to facilitate replacement).
A pipe-mounted sensor should contact the pipe as fully as possible.
In the case of in-air sensors, care should be taken to ensure that the slot openings are positioned in the direction of the air flow.
For electric connection, refer to the circuit diagram provided inside the controller. All leads to the controller must be fixed in place.
Caution 3 !
The timer contact must be floating (basic insulation); parallel connection of several timer contacts is not permissible.
Never apply mains voltage to a floating timer contact (this will cause destruction of the controller).

Drawing

Wiring diagram

Technical data:

Order No.| UTR 20 ( –40 °C… 20 °C)
UTR 60 (    0 °C… 60 °C)
UTR 100 (  40 °C…100 °C)
UTR 160 (100 °C…160 °C)
---|---
EDP No.:| 0524 72 14 x xxx
Operating voltage:| 230 V AC (207…244 V)
48 V…62 Hz
Power consumption:| ≤4 VA
Operating temperature:| –20 °C…40 °C
Storage temperature:| –40 °C…70 °C
Controller type:| ON/OFF
Switching contact:| Relay 1 x c/o contact, floating*
Switching current:(250VAC):| ≤16 A cos ϕ = 1
≤  4 A cos ϕ = 0.6
Hysteresis:| ±0.5…± 5K (T ≤100 °C)
±0.5…±10K (T >100 °C)
Temperature setback :| Approx. 5K fixed
Type of sensor:| PTC (KTY 83-110)
Protection class:| II (see Caution 1)
Degree of protection:| IP 65
Pollution degree:| 2
Rated impulse voltage:| 4 KV
Brinell test temperature:| 75 ± 2 °C
Voltage and current for EMC emitted interference testing:| 230 V; 0.1 A
Cable entry:| 1 x M20, 1 x M25, 1 x M16 or
1 x M16, 1 x M20, 1 x M16
Weight:| Approx. 440 g
Energy class| I = 1 % (acc. EU 811/2013, 812/2013, 813/2013, 814/2013)

*Also for switching safety extra-low voltage (SELV)

Technical data of sensors:

A Standard sensor:

Ordering No.| Ambient temperature| Cable lenght| Protection class| Time cons- tant approx
---|---|---|---|---
F 894 002| –50…175°C| 1,5 m| IP 67| 30 s
F 891 000| –25… 70°C| 4,0 m| IP 67| 30 s

B Pipe-mounted sensors:

Ordering No.| Ambient temperature| Cable lenght| Protection class| Time cons- tant approx
---|---|---|---|---
F 892 002| –40…120°C| 1,5 m| IP 67| 60 s

C Air-monitoring sensors:

Ordering No.| Ambient temperature| Cable lenght| Protection class| Time cons- tant approx
---|---|---|---|---
F 893 002| –40…100°C| 1,5 m| IP 30| 10 s

D Outdoor sensors

Ordering No.| Ambient temperature| Cable lenght| Protection class| Time cons- tant approx
---|---|---|---|---
F 897 001| –40…80°C| none| IP 65| 180 s

Sensor characteristics: (for all types):

This product should not be disposed of with household waste.
Please recycle the products where facilities for electronic waste exist. Check with your local authorities for recycling advice.
Specification subject to change without prior notice

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>