S+S Regeltechnik THERMASREG ETR Série Notice D'instruction page 6

G
®
THERMASREG
DIN-tested German quality product.
Temperature control and limiting device for heat generation plants
in accordance with DIN EN 14597. Safety temperature limiter (STB)
with EC type test (module B) according to directive 2014 ⁄ 68 ⁄ EU.
Mechanical temperature control device ⁄ rod thermostat THERMASREG
used for monitoring, controlling or limiting the temperatures of liquid or gaseous media as a boiler
controller or in heating, air conditioning technology as well as in mechanical and apparatus engineering
and in heat generation plants. It is available as one - step or two-step device, as adjustable temperature
controller TR, temperature monitor TW, or as safety temperature limiter STB.
TECHNICAL DATA
Switching capacity:
(Contact load)
Contact:
Housing:
Housing dimensions:
Cable gland:
Measuring element:
Mounting position:
Ambient temperature:
Tolerance:
Immersion sleeves:
Operating medium:
Inserted length:
Process connection:
Electrical connection:
Protection class:
Protection type:
Standards:
Tests:
FUNCTION
TW+TW
Connecting diagram
Step 1
2
Cooling 1
Heating 3
ETR
24 ... 250 V AC + 10 %, 10 A, cos ϕ = 1.0
24 ... 250 V AC + 10 %, 1.5 A, cos ϕ = 0.6
at 24 V AC min. 150 mA
dust-proof switch block unit as potential-free
single-pole or two-pole changeover contact
plastic, UV-resistant, material polyamide,
30 % glass-globe reinforced, colour traffic white (similar to RAL 9016)
108 x 70 x 73.5 mm (Thor 2)
M 20 x 1.5; including strain relief
torsion meter with liquid filling,
liquid expansion temperature feeler
arbitrary
–10...+65 °C at the switch block housing
T ± 5 K; T ± 3 K
min max
THR-ms-08 ⁄ xx, Single sleeve brass, nickel-plated,
Ø = 8 mm, R ½" straight pipe thread, wrench size 22,
p = 10 bar, T = +150 °C
max max
THR-VA-09 ⁄ xx, Single sleeve stainless steel V4A (1.4571),
Ø = 9 mm, G ½" straight pipe thread, wrench size 22,
p = 25 bar, T = +150 °C
max max
THR-VA-17 ⁄ xx, Double sleeve stainless steel V4A (1.4571),
Ø = 17 mm, G ½" straight pipe thread, wrench size 22,
p = 25 bar, T = +150 °C
max max
(Depending on the type, the relevant immersion sleeve
is included in the scope of delivery, see table)
Water, oil, air and exhaust gas
100 mm / 150 mm / 200 mm (see table)
screwed socket
0.14 - 2.5 mm² via terminal screws
I (according to EN 60 730)
IP 65 (according to EN 60 529)
CE conformity, EMC directive 2014 ⁄ 30 ⁄ EU,
low-voltage directive 2014 ⁄ 35 ⁄ EU
EC type test (module B) according to directive 2014 ⁄ 68 ⁄ EU,
certificate No.: IS -TAF - MUC 18 03 2652130 002, DIN EN 14597,
register Nos.: STB 1201, TR ⁄ STB 1202
TW, TR: Contact 2 - 3 breaks when temperature rises
to the preset value.
STB: Contact 2 - 1 or 5 - 4 (two-step) breaks when temperature
rises to the preset value. Restart is possible only after cooling
off by approx. 15 K - 20 K by pressing the reset button.
5
6
4
® ETR with switching output,
ETR TR + STB
(two-step) Connecting diagram
Step 2
Step 1
Heating
Cooling
Cooling Heating
TW, TR
Connecting diagram
Cooling
Heating
STB
Connecting diagram
Alarm
Heating
2
1
3
Rev. 2021 - V17
ETR
(one-step)
2
1
3
ETR
(one-step)
2
1
3
ETR
(two-step)
Step 2
5
6 Alarm
4 Cooling