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1 - INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 - About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 - Manual Structure and contents . . . . . . . . . . . . . . . . . . 4
2 - GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 - Generalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 - Software Reference Number . . . . . . . . . . . . . . . . . . . . 7
2.3 - Abbreviations Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 - HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 - Produc Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.1 - Basic Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1.2 - CCN/Clock Option Board . . . . . . . . . . . . . . . . . 10
3.1.3 - Screw Compressor Protection Module . . . . . 11
3.1.3.1 - Screw Compressor Module Layout 11
3.1.3.2 - Compressor Part Number/MTA Header
Configuration . . . . . . . . . . . . . . . . . . . . 12
3.1.4 - 4 xDO Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1.4.1 - General . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1.4..2 - Terminal J4 Description . . . . . . . . 12
3.1.5 - AUX Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.5.1 - General . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.6 - EXV Driver Board . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1.7 - 4 x AI - 2 x AO Board . . . . . . . . . . . . . . . . . . . . 14
3.1.8 - Aquasnap Basic Board . . . . . . . . . . . . . . . . . . 16
3.2 - Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2.1 - High Pressure Side Sensors . . . . . . . . . . . . . 17
3.2.2 - Large Band Pressure Sensors . . . . . . . . . . . 17
3.2.3 - Suction and economizer Pressure Sensors 18
3.3 - Thermistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3.1 - Discharge Gas temperature . . . . . . . . . . . . . . 18
3.3.2 - 5K Resistor : Resistance vs Temperature
Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 - CONTROL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1 - General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 - Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.1 - General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.2 - Main Interface Configuration sub menu
structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2.3 - Factory Configuration . . . . . . . . . . . . . . . . . . . 21
4.2.3.1 - Factory configuration from Service
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2.3.2 - Factory configuration from Main
Interface . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2.3.3 - Economizer TQ valve Feedback
Signal Wiring . . . . . . . . . . . . . . . . . . . . 24
4.2.4 - Service Configuration . . . . . . . . . . . . . . . . . . . 25
4.2.4.1 - Service 1 configuration from Service
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.2.4.2 - Service 1 configuration from Main
Interface . . . . . . . . . . . . . . . . . . . . . . . . 27
4.2.4.3 - Service 2 configuration from Service
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2.4.4 - Service 2 configuration from Main
Interface . . . . . . . . . . . . . . . . . . . . . . . . 29
4.2.4.5 - Service 3 configuration from Service
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.2.4.6 - Service 3 configuration from Main
Interface . . . . . . . . . . . . . . . . . . . . . . . . 31
4.2.4.7 - Service 4 configuration from Service
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.2.4.8 - Service 4 configuration from Main
Interface, runtime sub menu . . . . . . 31
4.2.5 - User Configuration . . . . . . . . . . . . . . . . . . . . . . 32
4.2.6 - Network Configuration . . . . . . . . . . . . . . . . . . 32
4.2.6.1 - General . . . . . . . . . . . . . . . . . . . . . . . 32
4.2.6.2 - Configuring a Control as a
Broadcast Acknowledger . . . . . . . . 32
4.2.6.3 - Setting Time and Date . . . . . . . . . . 32
4.2.6.4 - Alarm Configuration Table . . . . . . 33
4.2.6.5 - Master/Slave Configuration
. . . . . 35
4.3 - Cooler Interlock Contact . . . . . . . . . . . . . . . . . . . . . . . . 36
4.4 - Cooler heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.5 - Oil heater control . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.6 - Motor cooling control without plate exchanger
economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.7 - Motor cooling control without sub cooling plate
exchanger economizer . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.7.1 - Motor cooling with TQ feedback Signal Control 37
4.8 - Capacity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.8.1 - Logic Description . . . . . . . . . . . . . . . . . . . . . . . 38
4.8.1.1 - Basic Logic . . . . . . . . . . . . . . . . . . . 38
4.8.1.2 - Z Multiplier Calculation . . . . . . . . 38
4.8.1.3 - Overrides . . . . . . . . . . . . . . . . . . . . 39
4.9 - Compressors & loaders loading sequence . . . . . . . 40
4.9.1 - General Description . . . . . . . . . . . . . . . . . . . . . 40
4.9.2 - Compressor capacity determination . . . . . . 41
4.9.3 - Staged Loading Increasing Capacity Logic 41
4.9.4 - Equal Loading Increasing Capacity Logic
with close control = NO . . . . . . . . . . . . . . . . . 41
4.9.5 - Equal Loading Increasing Capacity Logic
with close control = YES . . . . . . . . . . . . . . . . 42
4.9.6 - Equal Loading Decreasing Capacity Logic
with close control = YES . . . . . . . . . . . . . . . . 42
4.9.7 - Equal Loading Decreasing Capacity Logic
with close control = NO . . . . . . . . . . . . . . . . . 43
4.9.8 - Staged Loading Decreasing Capacity Logic
with close control = NO . . . . . . . . . . . . . . . . . 43
4.9.9 - Staged Loading Decreasing Capacity Logic
with close control = YES . . . . . . . . . . . . . . . . 44
4.10 - EXV Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.10.1 - General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.10.2 - Overrides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.11 - Air Cooled Condensing Pressure Control . . . . . . . 46
4.12.1 - Air Cooled Condensing Pressure Control -
Fan staging with AUX board . . . . . . . . . . . . . . . . . 46
4.12.2 - Air Cooled Condensing Pressure Control -
Fan staging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.13 - Water Cooled Condensing Pressure Control . . . . 47
4.14 - High Pressure Override . . . . . . . . . . . . . . . . . . . . . . . 48
4.15 - High Current Override . . . . . . . . . . . . . . . . . . . . . . . . . 48
CONTENTS
CARRIER SA
USER'S GUIDE FOR
30GX&HX PRO_DIALOG 4 V.2
ECG-UG-02-002
Rev: original
Page:2 /98
©
C
ARRIER
S
.
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NOT
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DISCLOSED
TO
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OUTSIDE
CARRIER
ORGANIZATION
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