Product Range - Herz Valves UK

HERZ-RTC-Electronic Control System for Continuous Control
Model
HERZ-RTC-Room Temperature Computer
With 3 weekly programmes, 4 temperature steps,
vacation programme for heating and cooling,
switching difference adjusting.
Set value range 5-40 °C, operating voltage 24 V,
output voltage 0-10 V.
Control Systems
Dim.
EAN
90 04174
HERZ-Electronic Room Temperature Controller for Heating and Cooling
Electronic Room Temperature Controller
with PI control
For heating and cooling operation, with programmable
time and temperature settings. Outlets for motor
(3-point) and thermal drive and pump or blower
(on/off signal). Fix basic programme (preset condition)
for fi rst start-up. Easy adjustment to system by selecting
8-basis control model by service parameter. Electronics
located in the attachable body, white
(RAL 9010), front with digital display in viewing window.
Digital timer with weekly and yearly programme, relay with
elapsed time indicator.
For installation on a wall or fl ush-mouning socket.
Order
number
Item
24 V 71890 8 1 7940 62 1
230 V 75190 5 1 7794 23 1
24 V 75200 1 1 7794 24 1
Product
group
HERZ-Electronic Room Temperature Controller for 2-Point or Pulse Control with digital timer
Electronic Room Temperature Controller
For individual time and temperature programmable
adjustment. Digital timer with program on a weekly
and yearly basis, automatic switching between
summer and winter time. Set value range 8-38 °C.
Switching difference as 2-point controller 0.4-8 K.
Metering precision 0.3 K at a temperature of 20 °C.
Electronic Room Temperature Controller
Design as 1 7791 23, but operation by 2
alkalimanganese penlight type round cells (AA) 1.5 V,
not included in package.
230 V 74190 6 1 7791 23 1
3 V 74200 2 1 7791 02 1
1
Digital chrono thermostat
The digital chrono thermostat with 4 user programmes
and 9 fi xed programmes.
Powered by 3 batteries High accuracy, easy to install
(2 wires), easy to programme Operating voltage:
3 x AA LR6 1.5 V Battery life time: 3 ears Operating
temperature: 0 °C to 50 °C. Output: Relay 8 A
Setting temperature: 5 °C to 35 °C. Differential
temperature 0.4 K Protection class: IP 30
Electronic thermostat with mechanical weeklyprogramming clock:
- Day temperature setting: + 5 °C to +35 °C
- Night temperature setting: 5 °C to 35 °C,
Temperature differential: 0.5 °C. Power of contacts:
8 (3) A 250 V- Clock programming: 7 days (weekly) or
1 day 24 hours. Clock programming: intervals 15 minutes
(daily), 1 hour (weekly) Power: 2 batteries LR6 AA 1.5 V
(life duration 2 years) A switch 3 positions enables select
with ( ) the type of regulation required. Electrical
protection: Class II, IP 30.
HERZ-Room Temperature Controller for 2-Point Control
Electronic room thermostat for floor heating, 230 V
for room temperature contol with night set back mode.
External pilot wire for night set back, equipped with a switch
to select comfort, set back or clock mode. Possibility to
regulate either the floor or the room temperature, or combined
(in that case, the floor sensor is used as temperature limiter)
Operating voltage: 230 V~, 50 Hz. Setting temperature: 5 °C
to 30 °C. Output: Max. 15 W Differential temperature: 0.5 K.
Protection class: IP 30.
Electronic room thermostat for floor heating, 24 V
Operating voltage: 24 V ~, functions same as above.
Electronic Room Temperature Controller
1 change-over contact
Set value range 10-30 °C.
Switching difference ± 0.2 K fixed
4.5 V 75201 8 1 7795 01 1
3 V 75202 5 1 7795 02 1
230 V 99958 1 3 F792 00 112
24 V 99959 8 3 F792 01 112
230 V
50 Hz
71840 3 1 7790 15 1
24 V 71850 2 1 7790 25 1
Electromechanical Room Temperature Controller
1 change-over contact, set value range 5-30 °C.
Adjustment of set value by means of mechanical
limitation of set value range.
230 V /
24 V
99953 6 3 F791 00 1
17