Coolcentric CDU-AC5 Installationshandbuch PDF herunterladen (Seite 28)

CDU Installation Guide Page 28

Cooling Distribution Unit

OPERATION (continued)

6.2 Controller Menu Summary

All items shown on this background are available to all personnel with no requirement for an access

code.

All items shown on this background are only available to service engineers only with the correct access

code.

All items shown on this background are only available to factory authorized personnel with the correct

‘Engineering’ access code.

Controller Menu Structure (software version 1.5 shown)

Screen

/ Level

Title

Options & (Info)

Setup (screen 1)

1-1

Attach to unit

Waiting for service msg. (press button on mother board to attach)

1-2

Site setup

No. of RDHx 1 to 6 (set as required)

Units* SI or Imperial

Daylight Saving Hours Europe, Manual, No DST or N. America

Date Format dd/mm/yy or mm/dd/yy

Date & time dd/mm/yy hh:mm:ss (24 hour clock)

1-3

Factory defaults

Reset parameters to defaults

1-4

Reset display

(Clear screen buffer)

Logon (screen 2)

service code – ‘5699’

engineering code – on request from manufacturer

Status (screen 3) - read only information

3-1

Mode

Standby / Online / Fault / Shutdown / Manual

3-2

Heat exchanger

(see page 27 for

explanation)

Valve no -- O/P --- % Act --- %

Secondary SP --.- °C(°F) Act --.- °C(°F)

Room sensor Temp --.- °C(°F) RH --.- %

DP o/r DP --.- °C(°F)

3-3

Room sensor

--.- (temperature) and --.- (relative humidity)

3-4

Sec. pressure

PS1 --.-- Bar (PSI) (pump suction pressure)

PS2 --.-- Bar (PSI) (pump discharge pressure)

DP --.-- Bar (PSI) (pump differential pressure)

3-5

Prim. Pressure

PS3 --.-- Bar (PSI) (filter inlet pressure)

PS4 --.-- Bar (PSI) (filter outlet pressure)

DP --.-- Bar (PSI) (filter differential pressure)

3-6

Sec. Temp

T2a --.- °C(°F) (water supply temperature to RDHx’s)

T2b --.- °C(°F) (water supply temperature to RDHx’s)

Ave --.- °C(°F) (average T2a & T2b)

3-7

Prim. Temp

--.- °C(°F) (incoming chilled water temperature)

3-8

Prim. Flow

--- L/M (USgpm) (chilled water flow – not accurate below 20L/M (5USgpm))

3-9

Pump Runtimes

Hours (total run time in hours of pumps 1 & 2)

3-10

Valve 1 Runtime

Hours (total run time in hours of valve 1 - at 25,50,75 & 100% positions)

3-11

Valve 2 Runtime

Hours (total run time in hours of valve 2 - at 25,50,75 & 100% positions)

3-12

IO status

3-12-1 Digital Inputs & Outputs (see page 27 for explanation)

3-12-2 Analogue Inputs

3-12-3 Resistive Inputs

3-12-4 Universal Inputs

3-12-5 Analogue Outputs

3-13

Reset info

(Raw data for factory information only)

(Raw input data - for

factory information only)

* Note: If the ‘units’ are changed during CDU operation, any parameters that have

been previously adjusted, will revert to default values in the new chosen ‘units’.

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