Micro Control MCS-BMS-GATEWAY Průvodce řešením problémů stáhnout pdf (Strana 59)

MAGNUM VERSION 8 MANUAL REVISION 3.1

that compressor. Make Setpoint #155 active with the low temperature value that will trigger the safety and

unload action and you have a low saturated suction temperature condition.

7.43. Electronic Expansion Valve Control Logic (EXV)

The EXV is set up in MCS-Config as follows:

By clicking on the ‘EXV Control’ cell under the Circuit Base screen, the option will cycle between Suction

Superheat, Discharge Superheat, and Refrigerant Level control.

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 161 162

HVAC and CENT V8 Software 1
The DB Commitment: 2
1. Table of Contents 2
OMPRESSOR 3
2. Revision Page 8
3.6. MCS Ethernet Port 11
3.3. About this Manual 11
3.4. About the Magnum 11
3.5. MCS 485 Network 11
4. Magnum Display Summary 15
5. Authorization Function 21
6. Magnum Control States 22
7. Standard Control Options 32
7.5. Compressor Types 34
General Information 35
Circuit Base setup 36
Typical Relay Output Setup 38
7.10. Custom Rotation 43
7.15. Hot Gas Bypass 45
7.16. Chilled Water Reset 45
7.19. Oil Cooler Option 46
7.22. On/Off Switches 46
7.36. Operating Schedules 51
Output Control 53
Temperature) 58
EXV Related Setpoints 63
EXV Control States 63
Tandem EXV Setup 64
OUT48.1F 70
IN45.3F 70
KW Sensors 71
Tonnage Sensors 71
Configuring KW and Tonnage 72
PG 74
7.75. Boiler/Pump Control 87
Pump States 92
Boiler States 92
MCS-Config Setup 94
CLLC States 97
CLLC Valve States 97
CLLC Control Logic 99
7.81. User Logic 105
Operators 106
User Sensor Input 107
User Relay Output 108
User Analog Output 109
System Generated Alarms 111
User Initiated Alarms 111
8.2. Magnum System Alarms 112
8.3. Setpoint safety alarms 112
9.1. Magnum Keypad Display 117
9.3. MCS-SI16-AO4 119
9.4. MCS-RO10 120
11.1. Sensor Input Points 123
11.2. Relay Output Points 124
11.3. Analog Output Points 124
11.4. Setpoints 125
11.6. Other Points 126
Johnson N2 133
11.11.4 133
12. Relay Output Sequences 134
Staging sequence 138
13. Magnum V8 Setpoints 140
ALARM 141
 Low suction pressure 151
 High discharge pressure 151
 High amperage 151
 Discharge temperature 157
 Low oil seal temperature 157
 Low/high ambient cutoffs 157
However, the EXV will 159
EXVLevelTarget 161

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