EVCO S.p.A. | EV3H94 | Instruction sheet ver. 1.0 | Code 1043H94E104 | Page 4 of 5 | PT 05/21
No.
PAR.
DEF. ALARMS
MIN... MAX.
42
A0
0
select value for low temper-
ature alarm
0 = DHW tank upper tempera-
ture
1 = DHW tank lower tempera-
ture
2 = evaporator temperature
43
A1
10.0
low
temperature
alarm
threshold
0... 50 °C/°F
44
A2
0
low temperature alarm type
0 = disabled
1 = absolute
45
A3
0
select value for high tem-
perature alarm
0 = DHW tank upper tempera-
ture
1 = DHW tank lower tempera-
ture
2 = evaporator temperature
46
A4
90.0
high
temperature
alarm
threshold
0... 199 °C/°F
default 75.0 in
EV3H94N9PXRX01 and
EV3H94N9VXRX01
47
A5
0
high temperature alarm type
0 = disabled
1 = absolute
48
A6
120
high temperature alarm de-
lay from power-on
0... 240 min
49
A7
15
high/low temperature alarm
delay
0... 240 min
50
A10
120
power failure duration for
alarm recording
0... 240 min
51
A11
2.0
high/low temperature alarm
reset differential
1... 30 °C/°F
No.
PAR.
DEF. FAN
MIN... MAX.
52
F0
1
enable fan
0 = no
1 = yes
No.
PAR.
DEF. ANTI-LEGIONELLA
MIN... MAX.
53
H0
30
anti-legionella interval
0... 99 d (days)
0 = none
54
H1
70.0
anti-legionella
thermal
threshold
10... 199 °C/°F
55
H3
2
anti-legionella
thermal
threshold maintenance dura-
tion
0... 240 min
0 = function disabled
No.
PAR.
DEF. DIGITAL INPUTS
MIN... MAX.
56
i0
0
multi-purpose input function
0 = disabled
1 = pressure switch
2 = green
57
i2
0
compressor-on delay from
pressure switch alarm reset
0... 120 min
58
i3
0
enable photovoltaic system
0 = no
1 = yes
59
i4
1
photovoltaic system input
activation
0 = with contact closed
1 = with contact open
60
i5
1
high pressure input activa-
tion
0 = with contact closed
1 = with contact open
61
i8
3
number of pressure switch
alarms
for
unit
blocked
alarm
0... 15
0 = disabled
62
i9
240
counter reset time for pres-
sure switch alarms
1... 999 min
63
i10
24
pressure switch alarm delay
from compressor-on
0... 240 sx10
64
i11
60
time pre opening hot gas
defrost valve
0... 240 s
65
i12
0
fan
off
during
pressure
switch/unit blocked alarm
0 = no
1 = yes
default 1 in
EV3H94N9PXRX01 and
EV3H94N9VXRX01
No.
PAR.
DEF. DIGITAL OUTPUTS
MIN... MAX.
66
u0
1
enable relay K2 and relay K4
inversion
0 = no (defrost on K2)
1 = yes (defrost on K4)
67
u9
1
enable alarm buzzer
0 = no
1 = yes
N.
PAR.
DEF. CLOCK
MIN... MAX.
68
Hr0
1
enable clock
0 = no
1 = yes
69
Hd1
1
time for switch on on Mon-
day
1 = with On1 e OF1
2 = with On2 e OF2
70
Hd2
1
time for switch on on Tues-
day
1 = with On1 e OF1
2 = with On2 e OF2
71
Hd3
1
time
for
switch
on on
Wednesday
1 = with On1 e OF1
2 = with On2 e OF2
72
Hd4
1
time for switch on on Thurs-
day
1 = with On1 e OF1
2 = with On2 e OF2
73
Hd5
1
time for switch on on Friday
1 = with On1 e OF1
2 = with On2 e OF2
74
Hd6
2
time for switch on on Satur-
day
1 = with On1 e OF1
2 = with On2 e OF2
75
Hd7
2
time for switch on on Sun-
day
1 = with On1 e OF1
2 = with On2 e OF2
76
HOn1
- - -
time for time band 1 on
00:00... 23:59 h:min
00:00 = disabled
77
HOF1
- - -
time for time band 1 off
00:00... 23:59 h:min
00:00 = disabled
78
HOn2
- - -
time for time band 2 on
00:00... 23:59 h:min
00:00 = disabled
79
HOF2
- - -
time for time band 2 off
00:00... 23:59 h:min
00:00 = disabled
80
Ant
- - -
time antilegionella on
00:00... 23:59 h:min
00:00 = disabled
N.
PAR.
DEF. SAFETIES
MIN... MAX.
81
PA1
426
level 1 password
-99... 999
82
PA2
824
level 2 password
-99... 999
N.
PAR.
DEF. DATA-LOGGING EVLINK
MIN... MAX.
83
bLE
1
enable Bluetooth
0 = no
1 = sì
>1 reserved
84
rE0
15
data-logger sampling inter-
val
0... 240 min
85
rE1
1
recorded temperature
0 = nessuna
1 = DHW tank upper
2 = DHW tank lower
3 = evaporator
4 = DHW tank upper and lower
5 = tutte
N.
PAR.
DEF. MODBUS
MIN... MAX.
86
LA
247
MODBUS address
1... 247
87
Lb
2
MODBUS baud rate
0 = 2.400 baud
1 = 4.800 baud
2 = 9.600 baud
3 = 19.200 baud
88
LP
2
parity
0 = none
1 = odd
2 = even
9
ALARMS
CODE DESCRIPTION
RESET
TO CORRECT
Pr1
DHW tank upper probe
alarm
automatic
- check P0
- check probe integrity
- check electrical connection
Pr2
DHW
tank
lower
probe
alarm
automatic
Pr3
evaporator probe alarm
automatic
rtc
clock alarm
manual
set date, time and day of the week
AL
low temperature alarm
automatic
check A0, A1 and A2
AH
high temperature alarm
automatic
check A3, A4 and A5
PF
power failure alarm
manual
- touch a key
- check electrical connection
LHP
pressure
switch/unit
blocked alarm
automatic/
manual
- switch the device off and on
- check i0, i8 and i9
HP
high pressure alarm
manual
- switch the device off and on
- check P3
FiL
compressor
maintenance
alarm
automatic
check C10
by silencing the buzzer you delete the
compressor functioning hours
UtL
evaporator failure alarm
manual
- switch the device off and on
- check SPA and C14
10
TECHNICAL SPECIFICATIONS
Purpose of the control device
function controller
Construction of the control device
built-in electronic device
Container
black, self-extinguishing.
Category of heat and fire resistance
D.
Measurements
75.0 x 33.0 x 59.0 mm (2 15/16 x 1 5/16 x 2
5/16 in) with fixed screw terminal blocks
75.0 x 33.0 x 81.5 mm (2 15/16 x 1 5/16 x
3 3/16 in) with plug-in screw terminal blocks
Mounting methods for the control device
to be fitted to a panel, snap-in brackets pro-
vided
Degree of protection provided by the covering IP65 (front)
Connection method
fixed screw terminal blocks for wires up to 2.5
mm²
plug-in screw terminal blocks for wires up to
2.5 mm² (on request).
Maximum permitted length for connection cables
power supply: 10 m (32.8 ft)
analogue inputs: 10 m (32.8 ft)
digital inputs: 10 m (32.8 ft)
digital outputs: 10 m (32.8 ft).
Operating temperature
From 0 to 55 °C (from 32 to 131 °F)
Storage temperature
from -25 to 70 °C (from -13 to 158 °F)
Operating humidity
relative humidity without condensate from
10 to 90%
Pollution status of the control device
2.
Compliance:
RoHS 2011/65/EC
WEEE 2012/19/EU
REACH (EC) Regulation no.
1907/2006
EMC 2014/30/EU
LVD 2014/35/EU
Classification of the control device according
to protection from electrical shock
class II according to standard EMC EN
60730-1 §2.7.5.
Power supply
115... 230 VAC (+10% -15%), 50/60 Hz (±3
Hz), max. 3.2 VA insulated
Earthing methods for the control device
none
Rated impulse-withstand voltage
2.5 KV
Over-voltage category
II.
Software class and structure
A.
Analogue inputs
2 for PTC, NTC or Pt 1000 probes (DHW tank
upper probe and evaporator probe)
PTC probes
Sensor type:
KTY 81-121 (990
@ 25 °C, 77 °F)
Measurement field:
from -50 to 150 °C (from -58 to 302 °F)
Resolution:
0.1 °C (1 °F).
NTC probes
Sensor type:
ß3435 (10 K
@ 25 °C, 77 °F)
Measurement field:
from -40 to 105 °C (from -40 to 221 °F)
Resolution:
0.1 °C (1 °F).
