Honeywell EN2H-0221GE51 R0808 service manual Value Range, Meaning Display

SDC / DHC	Hydraulic Components
Mixer motor: Mixed heating circuit actuator test
Switching sequence	STOP, OPEN, STOP, CLOSED,
	STOP ...

Function For easier diagnosis by the technician, a test run that detects implausibilities in the system has been implemented.

The jump occurs via an additional item in the relay test. The test run is started by pressing the input button. The sensor test sequence is similar to the final device test.

Value	Range
OT	–50°C – 40°C
VF	10°C – 90°C
SF	5°C ... 90°C
RT (SDW 10/SDW 30)	0°C ... 40°C
SVLF	5°C – 90°C
SBUS	5°C – 90°C
VF1 (evaluation as NTC 20,	5°C – 90°C
not PT 1000)
VF2	5°C – 90°C
VF3	5°C – 90°C

Confirmation is required for each sensor value. All available inputs are checked. Unoccupied inputs are marked with "–".

Meaning	Display
Value OK	80°C
Value outside the sensible	IRR
range
Short-circuit/Interruption	Error, –
Function programmed,	Error, –
but no sensor at input
No function programmed,	Error
but a sensor is at input

EN2H-0221GE51 R0808 241