OPERATION
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www.stiebel-eltron.com WPM 3| 11
5.1.2 INFO HEAT PUMP 1-6
Note
The power consumption is calculated on the basis of re-
frigerant circuit pressure. This calculation is inappropri-
ate for billing purposes. Together with the amount of heat
it is used for a rough energy statement.
Level 3
PROCESS DATA
RETURN TEMPERATURE °C
FLOW TEMPERATURE °C
FROST PROTECTION TEMP °C
OUTSIDE TEMPERATURE °C
EXHAUST AIR TEMPERATURE °C
EVAPORATOR TEMPERATURE °C
RECUPERATOR TEMPERATURE °C
COMP SUCTION GAS TEMP °C
COMP SUCTION GAS TEMP ND °C
COMP SUCTION GAS TEMP HD °C
INTERMEDIATE INJ TEMP °C
HOT GAS TEMPERATURE °C
CONDENSER TEMPERATURE °C
OIL SUMP TEMPERATURE °C
LOW PRESSURE bar
MEAN PRESSURE bar
HIGH PRESSURE bar
DIFF PRESSURE VOLT INPUT V
DIFFERENTIAL PRESSURE mbar
WP WATER FLOW RATE l/min
INVERTER CURRENT ND A
INVERTER CURRENT HD A
INVERTER CURRENT A
INVERTER VOLTAGE V
SPEED ND Hz
SET SPEED ND Hz
SPEED HD Hz
SET SPEED HD Hz
ACTUAL COMPRESSOR SPEED Hz
SET COMPRESSOR SPEED Hz
REL FAN RATE %
ACTUAL FAN SPEED Hz
SET FAN SPEED Hz
EVAPORATOR INLET TEMP. °C
AMOUNT OF HEAT
VD HEATING DAY
Amount of compressor heat generated in heating mode since 00:00
of the current day.
kWh
VD HEATING TOTAL
Total amount of compressor heat generated in heating mode.
MWh
VD DHW DAY
Amount of compressor heat generated in DHW mode since 00:00 of
the current day.
kWh
VD DHW TOTAL
Total amount of compressor heat generated in DHW mode.
MWh
NHZ HEATING TOTAL
Total amount of booster heat generated in heating mode.
MWh
NHZ DHW TOTAL
Total amount of booster heat generated in DHW mode.
MWh
Level 3
POWER CONSUMPTION
VD HEATING DAY
Amount of electric compressor output in heating mode since 00:00
of the current day.
kWh
VD HEATING TOTAL
Total amount of electric compressor output in heating mode.
MWh
VD DHW DAY
Amount of electric compressor output in DHW mode since 00:00 of
the current day.
kWh
VD DHW TOTAL
Total amount of electric compressor output in DHW mode.
MWh
RUNTIME
VD HEATING
Runtime of compressor in heating mode.
Hours
VD 1 HEATING
Runtime of compressor 1 in heating mode.
Hours
VD 2 HEATING
Runtime of compressor 2 in heating mode.
Hours
VD 1/2 HEATING
Runtime of compressor 1 and 2 in heating mode.
Hours
VD DHW
Runtime of compressor in DHW mode.
Hours
VD 1 DHW
Runtime of compressor 1 in DHW mode.
Hours
VD 2 DHW
Runtime of compressor 2 in DHW mode.
Hours
VD 1/2 DHW
Runtime of compressor 1 and 2 in DHW mode.
Hours
VD COOLING
Runtime of compressor in cooling mode.
Hours
VD DEFROST
Runtime of compressor in defrost mode.
Hours
VD 1 DEFROST
Runtime of compressor 1 in defrost mode.
Hours
VD 2 DEFROST
Runtime of compressor 2 in defrost mode.
Hours
NHZ 1
Runtime of electric emergency/booster heater in booster stage 1.
Hours
NHZ 2
Runtime of electric emergency/booster heater in booster stage 2.
Hours
NHZ 1/2
Runtime of electric emergency/booster heater in booster stages 1
and 2.
Hours
DEFROST TIME Minutes
DEFROST STARTS
STARTS
COMPRESSOR
COMPRESSOR 1
COMPRESSOR 2