McQuay MLCV Průvodce řešením problémů stáhnout pdf (Strana 61)

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7. Sequential Control For Cool Mode

The starting sequence for indoor fan, outdoor fan and compressors is shown as

below:

2 seconds

Start Indoor fan

15 seconds 2 seconds

outdoor fan 1 compressor 1*

15 seconds 2 seconds

outdoor fan 2 compressor 2*

15 seconds 2 seconds

outdoor fan 3 compressor 3*

15 seconds 2 seconds

outdoor fan 4 compressor 4*

* if available and applicable

The compressors will be turned on one by one depending on the on/off conditions

shown in the above

8. Sequential control for heat mode

The starting sequence for indoor fan, outdoor fan and compressors is as shown

below :

2 seconds 2 seconds

Start Indoor fan all 4 way valves

15 seconds 2 seconds

outdoor fan 1 compressor 1*

15 seconds 2 seconds

outdoor fan 2 compressor 2*

15 seconds 2 seconds

outdoor fan 3 compressor 3*

15 seconds 2 seconds

outdoor fan 4 compressor 4*

15 seconds 15 seconds

Heater 1* Heater 2*

* if available and applicable

The compressors will be turned on one by one depending on the on/off conditions

shown in the above.

B) W1V2 - Chilled Water Fan Coil Unit

Mode Selection

Modes Cool Dry Heat Fan OD

Heatpump, AP XXXXShorted

Cooling, EC X X - X Open

Last Setting Memory Backup

By removing the jumper at JH on the main board.

Wiring Connection

CN4 : To connect to Netware-1 controller (Wired-3 way wire)

CN6 : To connect to LED display (Wireless G6 application)

CN2 : To connect to twin motor board (if required)

T_FULL : To connect to level switch (for Ceiling Cassette only)

T_FULL

CN2

Note :

Only one application either wired or wireless control at one time.

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