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If the HCA e2 is removed within 1 hour after its initial installation on the heat conductor, the display shows "OPEN"
(see 5.3). By re-install the device within this mounting time frame, then "CONFIG / CON FF" appears again on the
display (see 5.1 and 9.1) and the standard display cycle continues.
Repeated removing and re-installing can be done within the mounting time frame several times; but the mounting
time frame is not extended.
Only at the end of the mounting time frame for installation (waiting period), the measurement function of HCA e2
is enabled!
If the HCA e2 is removed after the end of the mounting time frame for installation from the heat conductor or
fitted again after the end of the mounting time frame, the display shows "OPEN C" in the display cycle (see 5.3).
Here manipulation is suspected. The "OPEN C" hint persists after re-install the HCA e2 and will appear in the display
cycle.
By using the costumer software "Device Monitor" (register parameterization – reset removal detection -) the hint
"OPEN C" can be reset.
The display briefly shows "STBY", then "CONFIG / CONF FF" appears and the device continue with recording data by
displaying standard display cycle.
If the reset is performed on the removed HCA e2, the "STBY" appears on the display and will persist until the re-
install of the device. After re-install the display briefly shows "CONFIG / CONF FF" and the device continue with
recording data by displaying standard display cycle.
10 Operating Conditions / Technical Data
Norm; approval
Dimensions
Ambient temperature
Temperature range medium
2-sensor mode
Temperature range medium
1-sensor mode
Temperature range medium
remote sensor mode
Start of enumerating at temperature
difference (radiator overtemperature) Δ
Protection class
Power supply
Battery lifetime; estimated
Data storage
Display
Interfaces
Remote temperature sensor
Sensor type
Length of cable
Dimensions of cover
Page 24 of 59
Article no.: 5081200002
EN 834:2013; A1.01.2013 approved to German HKVO
mm
height 95 / width 38 / depth 30
°C
- 25 – 60;
see „Influencing_factors_battery_lifetime"
at www.engelmann.de
°C
35 – 95
°C
55 – 95
°C
35 – 105 (2-sensor mode)
55 – 105 (1-sensor mode)
K
4,5
Θ
IP41 (mounted)
V
3; lithium battery
11 years + 1 year storage;
see „Influencing_factors_battery_lifetime"
at www.engelmann.de
132 monthly values and 132 semimonthly values
7 digits + special characters
standard infrared according to ZVEI standard
optional
wireless M-Bus
NTC pre aged
m
2 or 5
mm
height 26 / width 12 / depth 10
2022_10_31
Subject to technical change! Errors excepted.
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