Full Gauge Controls MT-512E 2HP Product Manual

Have this manual in the palm of
your hand by FG Finder application.
1. DESCRIPTION
Periodical defrost may be performed with MT-512
defrost) and forcing defrost manually. It is provided with a powerful 16A relay for actuating loads of up to
2HP, in addition to a command output combined with a timer for programming refrigeration and
defrosting times. Another feature available is the turning off of the control functions, making the
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MT-512 2HP operate only as a temperature indicator. It is also provided with a configurable
digital filter, which has the purpose of simulating mass increase in the environment sensor, thus
increasing its response time, i.e., it renders the sensor response slower (delay). Through an intelligent
function blocking system, it prevents unauthorized personnel from changing the control parameters.
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MT-512 2HP can also be set for heating.
Product conforming to UL Inc. (United States and Canada) and NSF
2. SAFETY RECOMMENDATIONS
- Check the controller for correct fastening;
- Make sure that the power supply is off and that it is not turned on during the controller installation;
- Read the present manual before installing and using the controller;
- Use adequate Personal Protective Equipmenet
- For application at sites subject to water spills, such as refrigerated counters, install the protecting vinyl
supplied with the controller;
- For protection under more critical conditions, we recommend the Ecase cover, which we make
available as an optional item (sold separately);
- The installation procedures should be performed by a qualified technician.
3. APPLICATIONS
• Cold storages
• Reach-In Coolers / Stand Up Coolers
• Industrial heating / Cooling equipment
• Any other type of equipment requiring precise temperature control
4. TECHNICAL SPECIFICATIONS
Power supply
Control temperature
(**)
Operating temperature
Operating humidity
Resolution
Maximum load current
(***)
Maximum load power
(***)
Protection level
Dimensions (mm)
Cutout dimensions (mm)
(*) Admissible variation in relation to the voltage rating.
(**) This instrument measures and controls temperatures of up to
(sold separately).
(***) For higher loads, use contactor.
5. INDICATIONS AND KEYS
Defrost indication LED
Heating indication LED
Cooling indication LED
User-friendly
Menu Key (Flatec)
Set Key
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MT-512 2HP
6. WIRING DIAGRAM
6.1. Identifications (see Images I to IV)
- Image I: MT-512E 2HP, supplied at 115 Vac.
- Image II: MT-512E 2HP, supplied at 230 Vac.
- Image III: MT-512EL 2HP, supplied at 12 Vac/dc.
- Image IV: MT-512EL 2HP, supplied at 24 Vac/dc.
IMPORTANT
THE USE OF APPROPRIATE TOOLS IS ESSENTIAL TO AVOID DAMAGE IN THE CONNECTION AT INSTRUMENT
TERMINALS:
SCREWDRIVER SLOT 3/32''(2.4mm) FOR ADJUSTMENTS IN THE SIGNAL TERMINALS;
SCREWDRIVER PHILLIPS #1 FOR ADJUSTMENTS IN THE POWER TERMINALS;
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MT-512
DIGITAL CONTROLLER AND INDICATOR FOR
HEATING OR COOLING WITH NATURAL
DEFROST THROUGH COMPRESSOR SHUTDOWN
Manual Functions Control functions
defrost lockdown
shutdown
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2HP by stopping the compressor (natural
(United States) .
(PPE);
MT-512E 2HP: 115 or 230 Vac
±10% * (50/60 Hz)
MT-512EL 2HP: 12 or 24 Vdc or Vac
+10%
- 50 to 105°C (-58 to 221°F)
0 to 50°C / 32 to 122°F
10 to 90% RH (without condensation)
0.1°C (-10 to 100°C) and 1°C at the rest of the range
16 A for resistive-type loads and 12 A for inductive-type
loads
2HP
IP 65 (frontal)
76 x 34 x 77 mm (Width x Height x Depth)
X = 71±0,5 Y = 29±0,5 (see image V)
200°C/392°F , using the silicone sensor cable SB59
Functions lockdown indication LED
Control functions OFF indication LED
Temperature unit indication LED
2HP
IP 65
FRONT
Serial Protection
level
programming
Image I: MT-512E 2HP - 115Vac
WIRING
TERMINALS
TEMPERATURE
SENSOR
Image II: MT-512E 2HP - 230 Vac
WIRING
TERMINALS
*
TEMPERATURE
SENSOR
Image III: MT-512EL 2HP - 12Vac/dc
WIRING
TERMINALS
TEMPERATURE
SENSOR
Image IV: MT-512EL 2HP - 24Vac/dc
Upper Key
Lower Key
WIRING
TERMINALS
TEMPERATURE
SENSOR
6.2. Temperature sensor connection
- Connect the sensor wires to terminals '1 and 2': the polarity is not relevant.
- Length of the sensor cables can be increased by user himself to up to 200 meters, using a PP 2x24
AWG cable.
- For immersion in water, use a thermowell (Image VI - item 12), available in the Full Gauge Controls
product line (sold separately).
CONTROLLER
WIRING
TERMINALS
115 Vac
LOAD
}
CONTROLLER
WIRING
TERMINALS
230 Vac
LOAD
}
CONTROLLER
WIRING
TERMINALS
POWER
12Vac/dc
LOAD
}
CONTROLLER
WIRING
TERMINALS
POWER
24Vac/dc
LOAD
}
evolution
COMPONENT
E251415
POWER
GRID
POWER
GRID
S u r g e P r o t e c t i v e
Device (SPD)
(sold separately)
W i r i n g d i a g r a m f o r
instalation of SPD in
magnectic contactor
A1 and A2 are the terminals of
the contactor coil.
POWER
GRID
A1
A2
W i r i n g d i a g r a m f o r
instalation of SPD in line
with loads
For direct drive take in to
consideration the specified
maximum current.
LOAD
POWER
GRID