Control And Test; Control Of Electric Backups; Sensor And Input Test Mode - Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document

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Split system single phase type

1 Control and test

1.1

Control of Electric Backups

EJP lock signal (l 2920)
HEAT PUMP
DHW auxiliary
1st stage elec. auxiliary
2nd stage elec. auxiliary
Boiler backup
(1) subject to authorization by EX2
(2) provided the outdoor temperature is less than the setting on "2884 or 3700" (+2° from the beginning)
1.2

Sensor and Input Test Mode

LINE
SENSOR
7700
7710
7712
7722
7723
7724
7725
7820
BX1
7821
BX2
7822
BX3
7823
BX4
7911
7912
7913
7973
BX31
7976
BX34
7996
H33
4
H 33
Outdoor
Unit Fault
(370)
OFF
ON (1)
ON (2)
ON (2)
ON (2)
INPUT
OUTPUT
QX
Relay test
UX1
Output test
UX1
PWM-Signal
DO2
Cooling mode
D3
Heat pump
UX3
Output test ("Inverter" command)
UX3
Voltage signal (Ux3)
Sensor temp (HP flow temperature)
Sensor temp (HP return temperature)
Sensor temp (DHW temperature)
Sensor temp (Outside temperature)
EX1
Input (Power shedding, EJP)
EX2
Input (Tariffs day/night)
EX3
Input (External fault)
Sensor temp (Mixing circuit temp.)
Sensor temp (Swimming pool exchanger temperature)
Contact state
EX 1
Load-shedding (EJP)
0 V
230 V
230 V
"
"released"
locked
ON
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
EX 2
Off-peak/peak
hours
0 V
230 V
"
ON
ON
ON
OFF
ON
ON
ON
ON
ON
ON
WATERSTAGE
Maintenance Document 1589-3
EX 3
External fault
(369)
0 V
230 V
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF

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This manual is also suitable for:

Waterstage ws a100dd6 seriesWaterstage wg a050dd6 seriesWaterstage wg a100dd6 seriesWaterstage wo a060ldc seriesWaterstage wo a080ldc seriesWaterstage wo a100ldt series

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