Data Aire gPod - Page 8

Installation, Operation and Maintenance Manual
Page viii
3.3.3 Total Equivalent Line Length Calculation ..........................................................................................20
POST PIPING INSTALLATION ............................................................................................................................20
WATER/GLYCOL COOLING UNIT PIPING.............................................................................................................20
3.5.1 Field Piping, Water/Glycol System ....................................................................................................21
3.5.2 Connection Sizes, Water/Glycol Cooled Units ....................................................................................22
CO
2
PIPING .................................................................................................................................................22
CONDENSATE DRAIN PIPING ...........................................................................................................................22
3.7.1 Condensate Trap ..............................................................................................................................23
HUMIDIFIER PIPING .......................................................................................................................................24
LEAK TESTING ..............................................................................................................................................24
EVACUATION ...........................................................................................................................................25
3.10.1 Evacuation Procedures .................................................................................................................25
4 CHARGING ...................................................................................................................................................27
AIR COOLED SYSTEMS ....................................................................................................................................27
4.1.1 Packaged Air-Cooled Systems Ceiling Units (2.5 to 5 Ton) .................................................................27
4.1.2 Split Air-Cooled Systems Charging (Units with Indoor Condenser or Outdoor Condenser) ..................28
4.1.3 Flooded System Charging .................................................................................................................29
REFRIGERANT HANDLING................................................................................................................................31
5 ELECTRICAL CONNECTIONS ..........................................................................................................................32
GENERAL ELECTRICAL FIELD WIRING GUIDELINES.................................................................................................33
ELECTRICAL SERVICE ......................................................................................................................................33
NAMEPLATE RATINGS ....................................................................................................................................34
GROUNDING ................................................................................................................................................34
VOLTAGE TOLERANCE ....................................................................................................................................34
STANDARD ELECTRICAL CONNECTIONS ..............................................................................................................35
CONTROLLERS ..............................................................................................................................................35
5.7.1 Floor Mounted Units ........................................................................................................................35
5.7.2 Ceiling Mounted Units ......................................................................................................................35
AUXILIARY CONTROL WIRING ..........................................................................................................................36
REMOTE SHUTDOWN ....................................................................................................................................37
REMOTE ALARM CONTACTS ........................................................................................................................37
5.10.1 Mini-dap4 Controller ....................................................................................................................37
5.10.2 dap4 Controller ............................................................................................................................37
REMOTE TEMPERATURE AND HUMIDITY SENSOR .............................................................................................38
CONDENSATE PUMP (OPTIONAL) .................................................................................................................38
CONDENSATE PROBE (STANDARD ON FLOOR UNITS AND OPTIONAL ON CEILING UNITS) ..........................................39
FLOAT SWITCH (CEILING UNITS) ..................................................................................................................39
UNDER-FLOOR WATER DETECTION CABLE (OPTIONAL).....................................................................................39
DISCONNECT SWITCH (OPTIONAL) ...............................................................................................................39
MANUAL OVERRIDE SWITCH BOARD (DAP4 ONLY) ..........................................................................................40
WIRING DIAGRAMS ..................................................................................................................................40
PLUG FAN “NO AIRFLOW ALARM” CURRENT SENSING SWITCH (PLUG FAN UNIT ONLY) ..........................................41
5.19.1 "No Airflow" Switch Adjustment ...................................................................................................41