Elko TER-9 Manual

- 15 -
H2
T1
H1
T2
Ts2
Ts1
15-18
15-18
25-28
dy1
dy2
dy1
dy2
dy1
dy2
dy1
dy2
dy1
dy1
dy2
dy1
dy2
H2
H2
H1
H1
25-28
15-18
Ts1
Ts2
D
D-H1
D
D-H2
D
dy1
dy1
dy2
dy1
dy2
E
N
Legend:
Ts1 - real (measured) temperature 1
Ts2 - real (measured) temperature 2
T1 - adjusted temperature T1
T2 - adjusted temperature T2
H1 - adjusted hysteresis for T1
H2 - adjusted hysteresis for T2
dy1- set switching delay of the output
dy2 - set delay on output breaking
25-28 output contact (for T2)
15-18 output contact (intersection T1
and T2)
Legend:
Ts1 - real (measured) temperature T1
Ts2 - real (measured) temperature T2
D - adjusted di erence
dy1- set switching delay of the output
dy2 - set delay on output breaking
15-18 output contact (for T1)
25-28 output contact (for T2)
- Output 15-18 is closed, if temperature of both
thermostats is bellow an adjusted level. When any
thermostat reaches adjusted level, the contact 15-18
open. Serial inner connection of thermostats (logic
function AND).
- Switching of output corresponds with input, which
has lower temperature when di ference is exceeded
di erencial thermostat is used for keeping two
identical temperature e.g. in heating systems (boiler
and reservoir), solar systems ( collector, reservoir,
exchanger), water heating ( water heater, water
distribution)etc.
Dependent functions of 2 thermostats
Di erential thermostat

Elko TER-9 Specifications

General

Brand	Elko
Model	TER-9
Category	Thermostat
Language	English