WineMate Ducted Wine Cooling System - 1500 Cu. Ft. マニュアル
ON
OFF
ON
OFF
1
1
12 hours
24 hours
Maximum defrost
interval
SW2 “dip-switch” programming
SW1 “dip-switch” programming
Fig. 2
1 2
1 2
1 2
1 2
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
1°F
9°F
5.5°F
12.5°F
Enabled
ON
OFF
ON
OFF
Inhibited
3
3
Differential
Compressor safety
SW3 “dip-switch” programming
Fig. 10
Fig. 11
ON
OFF
ON
OFF
˚ C
4
4
˚ F
Temperature unit of
measurement
Fig. 12
Inhibited
ON
OFF
ON
OFF
Enabled
2
2
Display locked
during defrost
Fig. 3
Enabled
ON
OFF
ON
OFF
Inhibited
3
3
Dripping time
Fig. 4
Hot gas
ON
OFF
ON
OFF
Resistance
1
1
Defrost type
Fig. 6
Enabled
ON
OFF
ON
OFF
Inhibited
2
2
Beverage cooler mode
Fig. 7
ON
OFF
CAUTION:
Switch 3 MUST
remain "OFF"
3
Fig. 8
2 min.
4 min.
ON
OFF
duration defrost by time
defrost end by temperature
5 min. (by resistance)
1 min. (by hot gas)
6 min.
8 min.
10 min.
12 min.
15 min.
18 min.
20 min.
25 min.
30 min.
35 min.
40 min.
50 min.
60 min.
5 6 7 8
Defrosting duration
General characteristics -
The UniStat is an electronic thermostat and defrost timer that allows the complete management of refri-
gerated display cases and coldrooms. The microprocessor controlled UniStat combines the accuracy and reliability of electronics while
maintaining the ease of use of mechanical controls. DIP versions allow for easy parameter change in the field while the KEY version
lends itself to production environments where multiple controls must be set efficiently.
UniStats contain high power relays for the direct management of compressors, fans and defrost heaters. Defrost is initialized by setting
UniStats contain high power relays for the direct management of compressors, fans and defrost heaters. Defrost is initialized by setting
the interval and is terminated on time as selected by the user. Defrost may also be terminated on temperature, by the addition of a defro-
st termination sensor. Termination temperature is also user selected. Additional features include adjustable setpoint range (KEY ver-
sions) compressor safety, drip time functions, and manual defrost.
Available versions -
For all models: 2 inputs for air sensor and defrost sensor, display output.
• Medium temperature models one SPST-NO relay for compressor up to 2 HP/230Vac or 1 HP/115Vac;
• Low temperature models one SPST-NO relay for compressor up to 2 HP/230Vac or 1 HP/115Vac, 1 SPDT relay for defrost fan or
heater resistance/fan.
Temperature probes, accessories and spare parts
• NTC temperature probe 10kΩ at 25°C - 952886
• programming key - 952887
• remote display - 952885
• conduit coupler kit - 952888
• conduit coupler kit - 952888
Mounting -
UniStat is designed to be mounted on DIN bar or surface mounted with (2) #6x2” self tapping screws, included.
Optional display -
Numeric readout is possible only with the display option. This is a two-digit + sign green-LED . The value being
measured by the regulation sensor or alarm messages are normally displayed. When the Set Point knob is rotated (or of the def. intvl
selector), the corresponding value is displayed for a few seconds, being preceded by sT(or dF).
Air sensor -
Must always be connected. The compressor is operated until terminal setpoint is reached.
Defrost sensor -
Use of the defrost sensor is optional. If the sensor is not utilized, the defrost terminates after the set time, otherwi-
se the defrost terminates when the sensor temperature exceeds the selected temperature. On startup, the instrument detects the sen-
sor presence and enables its utilization permanently. To disable the sensor utilization, it is necessary to disconnect the sensor itself and
then to cycle power to the instrument while keeping the “man. def.” button pressed for 5 seconds.
Note: Sensor wire may be extended up to 160 feet (50 meters) using 18 AWG wire. Sensor wire must not be run alongside high voltage
wiring.
wiring.
Set Point and regulation scale selection -
Temperature is set by rotating the circular selector in correspondence with the arrow
placed nearby. The selector is graduated 1 to 10 with correspondent decreasing temperature values, the temperature range is pro-
grammable on the key versions. The default range is –33°F to 50°F for low temperature models, and 14°F to 68°F for medium tempera-
ture models. It’s possible to select the minimum and maximum set (and consequently Set Point range) by setting the dip-switches no. 4,
Electronic Thermostat and Defrost Timer - Key Versions
5, 6, 7 and 8 on the SW1 and SW2 benches; Fig. 5 shows DIP switch positions to set minimum set point. Fig. 9 shows DIP switch posi-
tions to set maximum set point.
Differential -
It is possible to modify the differential being selected from 0.5°C (1°F) minimum to 7°C (12.5°F) maximum (see SW3,
Fig. 10). As for the selection, simply shift the first two dip-switches to the ON or OFF position according to the value wanted.
Defrost management and setting -
The defrost can be activated manually, by pressing the “man. def.” button, or cyclically, the
interval set by the “def. intvl” rotary switch at the top left with respect to Set Point selector. The interval can be selected from 1 to
12 hours at 1 hour steps (or from 2 to 24 hours at 2 hour steps; see SW1 dip-switches Fig. 2). If the selector is positioned on the 0,
the cyclic defrost is disabled.
Note: manual defrosting reinitialises the time required for successive cyclic defrosting. The selections are effective starting from the
successive cycle. For an immediate effect, it is necessary to interrupt the power supply to the instrument for a few seconds.
It is possible to choose between a electric defrost (the compressor is deactivated and the defrosting relay is activated) and a hot
gas defrost (both the compressor and the defrosting relay are activated; refer to Fig. 6 for the selection. Defrost can be terminated
in two ways: via time (from 1 to 60 min.) or via temperature (from 32 to 86°F) if the defrost sensor is utilized (see Fig. 13). If the defro-
st sensor is disconnected, interrupted or breaks down for any reason, the defrost terminates after a maximum time of 90 minutes if
it is resistance-based, 40 minutes if it is hot-gas based.
The instrument stores the defrost status every 15 minutes, and after a power failure will resume defrost or refrigeration.
Compressor protection function -
If the function is enabled, the compressor will have a 3 minute minimum off time.
The function is also active in hot-gas defrost mode.
Drip Time -
If the function is enabled (Fig. 4), the compressor will stay off for 3 minutes after defrost termination.
Beverage cooler mode -
By selecting this operation mode (Fig. 2), the defrost sensor is used to control temperature, the air
sensor is used for temperature display only.
Battery replacement -
Remove, by gently pulling, the key upper shell; replace the battery, lean the cover against its seat and
press. Battery replacement part number is 958155.
Alarms and signalling -
The green LED underneath the Set Point selection knob is used for signalling operation and alarms.
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A2 defrost sensor
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Tab. 1
Safety-regime operation -
In case of malfunction, the instrument changes automatically to safety operation.
Malfunction
Safety operation
EEPROM
compressor energized with 4 min. ON, 3 min. OFF cycle
air sensor
Set Point >-10°C compressor energized with 4 min. ON, 3 min. OFF cycle
Set Point <-10°C compressor always energized
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Tab. 2
In beverage cooler mode, the defrost probe anomaly is managed in the same manner as the fault of both sensors in standard ope-
ration.
Safety standards -
The units must be installed in conformance with all applicable codes and standards.
Important note: ensure that the position of the dip no. 3, SW2 is OFF (bottom position). Activation will cause instrument
programmability problems!
Technical specifications
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power supply by model
230Vac, +10%, -15%, 50/60Hz
115Vac, +10%, -15%, 50/60Hz
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operating conditions
30-125°F, 90%r.H. non-condensing
storage conditions
15-160°F, 90%r.H. non-condensing
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medium temp.:1 relay SPST-NO for comp. 2 HP/230Vac or 1 HP/115Vac (Imax=30A
res. (10A)) + 1 defrost. SPDT relay 230Vac, 8 FLA/48 LRA. Imax=16A res. (4A)
environmental pollution
normal
index of protection (front panel)
IP 20
classification according to protection
the device must be included in class I equipment
against electrical shock (insulation)
number of automatic cycles for each
100,000
automatic action
PTI of the insulating materials
≥ 250V
electric stress period
long
of the insulating parts
fire and heat resistance Category
Category D
Category (surge immunity)
Category 2
action-disconnection type
1B
software Class and structure
Class A
Fig. 13
ON
OFF
86°F (30°C)
8
4 5 6 7
ON
OFF
82.4°F (28°C)
ON
OFF
78.8°F (26°C)
75.2°F (24°C)
ON
OFF
71.6°F (22°C)
ON
OFF
68°F (20°C)
ON
OFF
64.4°F (18°C)
ON
OFF
60.8°F (16°C)
ON
OFF
57.2°F (14°C)
ON
OFF
53.6°F (12°C)
ON
OFF
50°F (10°C)
ON
OFF
46.4°F (8°C)
ON
OFF
42.8°F (6°C)
ON
OFF
39.2°F (4°C)
ON
OFF
35.6°F (2°C)
ON
OFF
32°F (0°C)
ON
OFF
ON
OFF
28.4°F (-2°C)
8
4 5 6 7
ON
OFF
24.8°F (-4°C)
ON
OFF
21.2°F (-6°C)
17.6°F (-8°C)
ON
OFF
14°F (-10°C)
ON
OFF
10.4°F (-12°C)
ON
OFF
6.8°F (-14°C)
ON
OFF
3.2°F (-16°C)
ON
OFF
-.4°F (-18°C)
ON
OFF
-4°F (-20°C)
ON
OFF
-7.6°F (-22°C)
ON
OFF
-11.2°F (-24°C)
ON
OFF
-14.8°F (-26°C)
ON
OFF
-18.4°F (-28°C)
ON
OFF
-22°F (-30°C)
ON
OFF
-25.6°F (-32°C)
ON
OFF
ON
OFF
-40°F (-40°C)
8
4 5 6 7
ON
OFF
-36.4°F (-38°C)
ON
OFF
-32.8°F (-36°C)
-29.2°F (-34°C)
ON
OFF
-25.6°F (-32°C)
ON
OFF
-22°F (-30°C)
ON
OFF
-18.4°F (-28°C)
ON
OFF
-14.8°F (-26°C)
ON
OFF
-11.2°F (-24°C)
ON
OFF
-7.6°F (-22°C)
ON
OFF
-4°F (-20°C)
ON
OFF
-.4°F (-18°C)
ON
OFF
3.2°F (-16°C)
ON
OFF
6.8°F (-14°C)
ON
OFF
10.4°F (-12°C)
ON
OFF
14°F (-10°C)
ON
OFF
ON
OFF
17.6°F (-8°C)
8
4 5 6 7
ON
OFF
21.2°F (-6°C)
ON
OFF
24.8°F (-4°C)
28.4°F (-2°C)
ON
OFF
32°F (0°C)
ON
OFF
35.6°F (2°C)
ON
OFF
39.2°F (4°C)
ON
OFF
42.8°F (6°C)
ON
OFF
46.4°F (8°C)
ON
OFF
50°F (10°C)
ON
OFF
53.6°F (12°C)
ON
OFF
57.2°F (14°C)
ON
OFF
60.8°F (16°C)
ON
OFF
64.4°F (18°C)
ON
OFF
68°F (20°C)
ON
OFF
71.6°F (22°C)
ON
OFF
Fig. 5
Fig. 9
Maximum set point temperature selection
Minimum set point temperature selection
Default settings shown in bold.