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Summary of Contents for Munters ComDry
- Page 1 Original instructions Supplement ComDry Control System Operation instructions Valid for units from serial no. 20001 MEN-CDCS-A1808 © Munters Europe AB 2018...
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Page 2: Table Of Contents
Table of contents Table of contents ......1.14 Restore the default settings ... Operation . -
Page 3: Operation
1.2 Introduction 1.2.1 Humidity control The ComDry dehumidifier is equipped with a sophisticated microprocessor based control system. This, in combination with the built-in humidity/temperature sensor in the process air inlet, makes it possible to set both the control and presentation of the humidity to either relative humidity (RH%), dew point (Dp °C) or absolute humidity (X gr/kg). -
Page 4: Control Panel Overview
ComDry Control System 1.3 Control panel overview Menu indicators 1-6 1. Humidity menu 4. Temperature menu A. Alarm indicator 2. Time menu 5. Functions menu B. Operation indicator 3. Power menu 6. Alarm menu C. On/Off button Menu button Function... -
Page 5: Initiation And Start
Connect the dehumidifier to mains. Result: The control system will initiate by flashing all LEDs for a few seconds, and the display first shows the ComDry machine type, then the set frequency, e. g. [50Hz] and finally the software version number, e. g. [VER: 1.00] and the current humidity level, e. g. [*RH1 46%]. -
Page 6: Stop The Dehumidifier
ComDry Control System 1.5 Stop the dehumidifier CA UTION! UTION! UTION! Do not unplug the dehumidifier while it is cooling down. The fan stops and the heater can be very hot, which can result in damage to the heater and other components close to it. -
Page 7: Navigate The Menus
Adjust relevant parameters (set value RH, reset ■ h or kWh etc.) ACCESS ** Level 2 is for dedicated personnel only ■ (qualified personnel or Munters Service) If you have accidentally reached this level the ■ code is 0000 for returning to level 1. Operation MEN-CDCS-A1808... -
Page 8: Access The Control System
ComDry Control System 1.10 Access the control system The control system settings and counters are protected against unauthorized change using two access levels. See also section 1.9, Access levels. Follow these steps to access the system: Step Action Result/Illustration To change the settings you must have “one-star” access. Go to menu The menu indicator is flashing. -
Page 9: Change The System Settings
ComDry Control System 1.11 Change the system settings To change settings you must have “one-star” access, see 1.10, Access the control system . Follow these steps to change the system settings: Step Action Result/Illustration Navigate to the parameter you want to change by using The setting starts to flash. -
Page 10: Reset The Counters
ComDry Control System 1.13 Reset the counters To reset counters you must have “one-star” access, see 1.10, Access the control system . Follow these steps to reset the counters: Step Action Result/Illustration Navigate to the counter you want to reset. See section 1.8, Navigate the menus. -
Page 11: Service Interval Alarm
ComDry Control System 1.15 Service interval alarm The Service interval [T-xxxx h] can be set between 500 and 8.000 hours. To reset counters you must have “one-star” access. Follow these steps to change the service interval (see also 1.11, Change the system settings):... -
Page 12: Menus And Parameters
ComDry Control System 2 Menus and parameters To set the system parameters, see 1.11, Change the system settings and 1.13, Reset the counters. For limits when setting parameters, see 2.7, Min, max and default values. 2.1 Humidity The dehumidifier is always operating in automatic mode. It will dehumidify until the desired humidity level (Set Value minus Hysteresis value) is reached. -
Page 13: Internal Controlling Sensor
ComDry Control System 2.1.1 Internal controlling sensor The internal humidity sensor is the controlling sensor as default. This is indicated by a (*) before the reading in the display (*RH1… / *D1… / *X1…). 2.1.2 External controlling sensor Optionally, an external sensor can be connected. It will automatically be designated RH2 / D2 / X2) by the system. -
Page 14: Power
ComDry Control System 2.3 Power The ComDry dehumidifier is equipped with an integrated, resettable kWh counter. The energy consumption is registered when the dehumidifier is connected to mains, regardless of being switched on, off or in stand-by mode. The counter shows the consumption as whole kW-hours. -
Page 15: Temperature
ComDry Control System 2.4 Temperature The air temperature is measured in different positions in the dehumidifier. All values are read-only. If external humidity/temperature sensors are connected, these will also be found in the list. The reactivation inlet temperature (Ri) before the heater and reactivation temperature (Rt) after the heater, as well as the wet air temperature (Wt) and the process air inlet temperature (T1) is measured. -
Page 16: Functions
ComDry Control System 2.5 Functions 2.5.1 Process fan mode There are three process fan modes: Fan mode Description [Fan ON] In [Fan ON] mode, the dehumidifier will run the process fan continuously, regardless of there is a dehumidification need or not. This is the default mode. -
Page 17: Display Information
ComDry Control System 2.5.3 Display information Display view Description Type Setting option Process fan running modes ADJUSTABLE Fan ON, INT, DEM Metric or imperial units ADJUSTABLE SI, IP Humidity ADJUSTABLE RH, Dp , Absolute humidity Unit serial no READ ONLY... -
Page 18: Alarm
ComDry Control System 2.6 Alarm Should an operation fault occur, the red alarm indicator and the alarm menu indicator will start to flash. The cause of the alarm will be shown in the display and the dehumidifier will stop after it has cooled down. -
Page 19: Min, Max And Default Values
ComDry Control System 2.7 Min, max and default values 2.7.1 Humidity This table shows the minimum, maximum and default humidity values: Parameter RH (%) Dp (°C) X (gr/kg) Dp (°F) X (grain/lb) Max. SV_ (set Default value) Min. Max. HYS_... - Page 20 www.munters.com...
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