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Compact Make-up Air Unit

Specification and Installation Instructions

www.neptronic.com

Page | 15

Control

– Menu Overview (3 of 3) | Ctrl

Ctrl

(Control)

Out

(Outputs)

Main Menu

INPt

(Inputs)

= scroll menu items

Main Menu

Configuration

RAT

(room air temperature)

SAT

(supply air t emperature)

CNTRL TEMP MODE

ENA

(enable)

DRY MODE

DIS

(disable)

BV.14

ENA

(enable)

STATIC PRESSUR LOOP

DIS

(disable)

ENA

(enable)

CO2 EXTRACT

DIS

(disable)

OCC MIN TIME MINUTES

30 min

(0-240 min)

AV.21

*** To save any changes, press on TDF ***
*** To return to the previous step without saving, press on TDF ***

BV.16

BV.15

MSV. 17

Go to "INPt"

= select / set value

Sub Menu

Содержание CMU Series

Страница 1: ...erature humidity CO2 and occupancy sensor Dehumidification logic Interlock with extraction fans Outside air sensors prime heater coils for fast response and comfort Static pressure PID algorithms control of fresh air and return air Integrate with BMS and intelligent buildings via BACnet MS TP or Modbus RTU Safety interlocks and thermal cutouts Schedule support Network Communication BACnet MS TP or...

Страница 2: ...ctrical components Caution Risk of damage and malfunction Ensure minimum air flow insufficient air flow will lead to opening of mechanical air flow switch PDN or PDA or electronic air flow sensors EAS and automatic thermal cutout This may damage heating elements and controls Caution Risk of malfunction Do not proceed with modification or alteration to internal electric connections or components of...

Страница 3: ...6 244 15 3 389 8 203 14 7 373 200 340 8 CMU08 Large 30 762 20 7 526 CMU10 27 7 704 11 6 295 17 3 439 10 254 16 7 424 400 680 12 CMU12 28 8 732 13 8 351 19 3 490 12 305 16 7 424 750 1274 20 Models with Centrifugal Fan Models Dimensions inch mm Collar Size inch mm Door Length inch mm Maximum Air Flow CFM m3 h Maximum Power kW A B C D E CMU06 34 2 869 9 9 252 15 3 389 6 152 25 9 658 250 425 3 CMU08 3...

Страница 4: ...e air flow direction without modifying the fan or wiring The air flow direction from the fan itself is fixed and cannot be reversed Before mounting the make up air determine the direction of air flow required and rotate the unit accordingly The CMU is designed to preheat fresh air and not ambient air For proper air flow a minimum straight duct distance of 2x the collar size duct diameter must be m...

Страница 5: ...ing Other surfaces require zero clearance Minimum 24 610mm Insulation Insulation may be added around the main surfaces of the CMU for energy conservation and noise reduction The collars and ductwork preceding and following the CMU may be insulated Insulation must be rated for temperatures of minimum 250 F 121 C and must not have an R value greater than 8 typical R value for 2 51mm thick fiberglass...

Страница 6: ...t the installation is secure Use 2 screws by others Ceiling Installation The CMU can be hung by the ceiling using an appropriate support platform by others Consult local codes and regulations for minimum structural requirements for such platforms The CMU must be attached to the platform by use of 4 self drilling screws of 10 M5 size fixed at the designated locations indicated by the dimples on the...

Страница 7: ...ing See the name plate for information for voltage and current Connect all wires to appropriate terminals as per the electrical diagram affixed inside the control panel door Correct connection and proper tightening must be verified before start up and after a short period of operation typically after 2 weeks To quickly calculate the amperage use the following formulas Single phase Amperage Watts V...

Страница 8: ...CB 1 2 3 COM OUTPUT POWER 1 2 3 IMC10 TB8 TB7 JP2 JP3 1 2 Connect to STC8 11 Duct Sensor TB6 JP7 Status LD1 MAC3 MAC4 JP9 TB7 TB8 1 2 P1 P2 Fan Speed Temperature Setpoint Connect to CMU Add on PCB TB1 TB2 TB3 TB4 Connect to Damper Actuator 1 2 3 COM OUTPUT POWER 1 2 3 IMC10 1 2 Connect to STC8 11 Duct Sensor TB9 JP11 Status LD1 TB5 JP4 JP5 JP7 TB6 JP3 TB1 TB2 JP4 TB4 1 2 P1 P2 Fan Speed Temperatur...

Страница 9: ... 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 thro...

Страница 10: ...Compact Make up Air Unit Specification and Installation Instructions www neptronic com Page 10 Fan Performance Axial Fan Performance Centrifugal Fan Performance ...

Страница 11: ...TB3 COM Common 24Vac Power Supply DATA Data Network Port TB4 A BACnet Modbus A B BACnet Modbus B AI3 AI4 MAC Address DIP Switch DS1 MAC address for BACnet and Modbus communication are selectable by DIP switch DS1 using binary logic BACnet Highest MAC address is 254 Default is all switches OFF MAC address 0 If you do not change device instance in program mode it will be automatically modified accor...

Страница 12: ... 5 6 7 8 ON 1 2 3 4 AI1 AI2 COM AO1 COM AO2 TB4 BO1 BO2 COM COM AI3 AI4 DATA 24Vac COM 3 2 1 B A 1 2 Access to Menus Add on PCB and TDF Required The programming menu can be accessed using the TDF digital room sensor by connecting it to the optional add on PCB Use the following action buttons to access the menus and save changes using the TDF Action Buttons on TDF Action Button Task Press to access...

Страница 13: ...AT outside air temperature SARH supply air relative humidity SAT supply air temperature AI2 MODE OFF select set value StPr static pressure FSSp fan speed setpoint DpFb damper feedback AI2 Go to AI3 OAT outside air temperature SAT supply air temperature AI3 MODE OFF select set value DpFb damper feedback OCC occupancy STA stage AI3 AI3 STAGE WEIGHT PERCENT AV 15 50 10 100 Go to AI4 OAT outside air t...

Страница 14: ...T AV 19 10V 0 10V FAN DELAY SECONDS AV 17 2 sec 1 255 sec FAN MIN VOLT AV 18 0V 0 10V DAMPER DELAY SECONDS AV 20 2 sec 0 255 sec Go to BO1 DMPR damper FAN exhaust fan BO1 MODE OFF select set value BO1 FAN DELAY SECONDS AV 17 2 sec 1 255 sec DAMPER DELAY SECONDS AV 20 2 sec 0 255 sec Go to BO2 Go to BO2 DMPR damper FAN exhaust fan BO2 MODE OFF select set value BO2 FAN DELAY SECONDS AV 17 2 sec 1 25...

Страница 15: ...in Menu Configuration RAT room air temperature SAT supply air temperature CNTRL TEMP MODE ENA enable DRY MODE DIS disable BV 14 ENA enable STATIC PRESSUR LOOP DIS disable ENA enable CO2 EXTRACT DIS disable OCC MIN TIME MINUTES 30 min 0 240 min AV 21 To save any changes press on TDF To return to the previous step without saving press on TDF BV 16 BV 15 MSV 17 Go to INPt select set value Sub Menu ...

Страница 16: ...gital room sensor will return to normal mode if you navigate through the entire menu and do not make any selection or if you do not press any key for 5 minutes The changed values will be saved automatically Menu 637 Network Settings End exit menu bAC BACnet mOd Modbus Network scroll menu items Exit menu and return to normal operation 0153000 0 device instance MAC Address 0 0 254 MAX Master 127 1 1...

Страница 17: ...E OCCUP INPUTS No OCCUP INPUTS INACTV MODE Unoc unoccupied TOP LINE VALUE None DISP TEMP VALUE DFLT default Yes OFF Time CO2 carbon dioxide SARH supply air relative humidity RARH room air relative humidity ALT alternate SAT supply air temperature TSTA Thermostat MSV 19 BV 17 MSV 18 BV 13 MSV 2 BV 10 BV 37 AV 22 AV 23 AV 44 AV 13 AV 14 AV 24 AV 25 AV 26 AV 27 AV 28 AV 29 AV 39 AV 40 AV 38 AV 30 AV ...

Страница 18: ...perly tightened o Verify the condition of fuses o Verify resistance of each circuit against ground o Verify correct operation of contactor s o If necessary electrical components must be replaced only with identical origin components Filter Maintenance Risk of electric shock Disconnect all supplies before removing and inspecting the filter o CMU is equipped with a filter that must be washed at regu...

Страница 19: ...Notes ...

Страница 20: ...au blvd Montreal Qc H4N 1R6 Canada www neptronic com Toll free in North America 1 800 361 2308 Tel 514 333 1433 Fax 514 333 3163 Customer service fax 514 333 1091 Monday to Friday 8 00am to 5 00pm Eastern time ...

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