Neptronic CMU Series, Спецификация и инструкции по установке

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Compact Make-up Air Unit
Specification and Installation Instructions
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Temperature and Air Flow Adjustment
After installing and wiring the system, use the potentiometers on the PCB to adjust the desired temperature setpoint (P2) and the fan
speed control (P1) to adjust the air volume. The fan speed must be adjusted based on the application to compensate for the specific
static pressure of the installation.
For models with the optional add-on board with thermostat connection, the setpoint for air flow and temperature from the thermostat
will override the physical setting of the potentiometers on the PCB.
Potentiometer P1 = Fan Speed Control
0%
75%
75%
75%
75%
75%
75%
80%
75%
90%
100%
AC Fan Speed Settings
0%
40%
50%
60%
30%
20%
15%
80%
70%
90%
100%
ECM Fan Speed Settings
Potentiometer P2 = Temperature Setpoint
*0°C
(32°F)
14°C
(57.2°F)
17.5°C
(63.5°F)
21°C
(69.8°F)
*10.5°C
(50.9°F)
*7°C
(44.6°F)
*3.5°C
(38.3°F)
28°C
(82.4°F)
24.5°C
(76.1°F)
31.5°C
(88.7°F)
35°C
(95°F)
* A minimum temperature of 12°C (53.6°F) will be maintained, even if the setpoint on the
potentiometer is set to a lower value.
Operational Conditions
Air Flow
•
Air flow must not be lower than the minimum air flow indicated on name plate.
•
Air flow going through the unit must be free of combustible particles, flammable vapour or gas.
•
Open Coil : Air flow going through the unit must be free of dust.
Temperature Control
•
For optimal and accurate measurement, it is recommended to use a duct sensor, especially in worst case scenarios in which
the CMU is operating at its lowest speed with a high static pressure, for example, at a 75% speed with a static pressure of
0.2”
WC (50 Pa) for AC axial fans.
Zero Clearance Construction
•
Neptronic compact make-up air units are designed and approved for zero clearance to combustible material. Insulation material
may be installed directly onto the CMU surfaces or onto air duct. However, the control panel must be accessible for
maintenance.
Warning, Risk of fire and/or malfunction, Do not install insulation directly on heating elements.