Table Of Contents - Maritime Geothermal Nordic PC Series Installation And Service Manual

Table of Contents

Tables, Figures, & Documents
System Description
General Overview ................................................................... 6
1. Air Reheat Mode ................................................................. 6
2. Pool Water Heat Mode ........................................................ 6
3. Heat Rejection Mode (AC2-Series Outdoor Unit) ............... 6
Auxiliary Air Heat .................................................................... 6
Operating Mode Tables .......................................................... 7
PC Sizing
......................................................................... 8
Pool Surface Area ................................................................... 8
PC Unit Sizing ......................................................................... 8
Plenum Heater Sizing ............................................................. 9
Installation Basics
.................................................... 10
Sample Bill of Materials ........................................................ 10
Unpacking the unit ................................................................ 10
PC Indoor Unit Placement .................................................... 10
Optional AC2 Outdoor Unit Placement ................................. 11
Outdoor Fan Speed Reduction ............................................. 11
Wiring
............................................................................... 12
PC-Series Power Supply Connections .................................. 12
Optional AC2 Outdoor Unit: Power Supply Connections ...... 12
Auxiliary Plenum Heater: Power Supply Connections ........... 12
Auxiliary Plenum Heater: Signal Connections ....................... 12
Pool Pump Signal Connections ............................................ 12
Control Transformer .............................................................. 13
Optional AC2 Outdoor Unit: Signal Connections .................. 13
Air Thermostat Connections .................................................. 13
Accessory Connections ........................................................ 13
Disable Switch (field installed) .............................................. 13
Air Conditioning with Cold Water .......................................... 13
002298CDG - Typical PC-Series Wiring Connections .......... 14
Piping
............................................................................... 15
Pool Water Lines ................................................................... 15
Condensate Drain ................................................................. 15
Simultaneous Pool/Hot Tub Heating ..................................... 15
Air Conditioning with Cold Water .......................................... 15
002297PDG - Typical Loop Connections - PC Series .......... 16
001824PDG - PC-Series Connections to Pool & Hot Tub ..... 17
001045CDG - PC-Series Cold Water Cooling Connections ... 18
Ductwork
........................................................................ 19
Duct Systems - General ........................................................ 19
Supply Duct System .............................................................. 19
Return Duct System ............................................................... 19
Plenum Heater ....................................................................... 19
Duct Sizing Guide .................................................................. 21
AC2-Series Outdoor Unit Line Set
Line Set Interconnect Tubing ................................................ 22
Oil Traps ............................................................................... 22
Pipe Insulation ...................................................................... 22
Silver Soldering Line Sets ..................................................... 22
Pressure Testing ................................................................... 22
Vacuuming the System .......................................................... 22
Charging the System ............................................................. 23
Operation
....................................................................... 24
BACnet Control ..................................................................... 24
Air Thermostat Operation ...................................................... 24
Changing Air Setpoints Using PC App .................................. 24
Air Thermostat Setup ............................................................ 24
Pool Water Temperature Control .......................................... 25
1. Pool water: Setpoint Control ............................................. 25
ISSUE 03: 1-Oct-2021
........................... 5
................................................... 6
.................. 22
Setpoint Control Method 1 - Indoor Loop .......................... 25
Setpoint Control Method 2 - External HTS/CTS ................ 25
2. Pool Water: Signals Control .............................................. 25
PC Application (PC App)
LCD Interface & Menus
BACnet Interface
Startup Procedure
Pre-start Inspection ............................................................... 44
Unit Startup ........................................................................... 44
Startup Record ...................................................................... 45
Routine Maintenance
Troubleshooting Guide
Repair Procedures
Pumpdown Procedure .......................................................... 61
General Repair Procedure .................................................... 61
Vacuuming & Charging Procedure ....................................... 61
Compressor Replacement Procedure ................................... 62
Outdoor Fan Replacement Procedure .................................. 62
Control Board Replacement Procedure ................................ 63
LCD Interface (Display) Board Replacement Procedure ....... 64
Model Specific Information
Shipping Information ............................................................. 65
Refrigerant Charge ............................................................... 65
Required Pool Water Flow Rates .......................................... 65
Control Temperature Limits .................................................. 65
AC2-Series Outdoor Unit Sound Levels (dBA) ..................... 65
Pool Water Pressure Drop .................................................... 65
Capacity Ratings ................................................................... 66
Electrical Specifications ........................................................ 67
Indoor Airflow ........................................................................ 68
Wiring Diagram (208/230-1-60) ............................................ 69
Electrical Box Layout (208/230-1-60) .................................... 70
Wiring Diagram (208-3-60) ................................................... 71
Electrical Box Layout (208-3-60) ........................................... 72
Wiring Diagram (460-3-60) .................................................... 73
Electrical Box Layout (460-3-60) ........................................... 74
Wiring Diagram (220-1-50) .................................................... 75
Electrical Box Layout (220-1-50) ........................................... 76
Wiring Diagram (380-3-50) .................................................... 77
Electrical Box Layout (380-3-50) ........................................... 78
AC2 (Outdoor Condenser) Wiring Diagrams .......................... 79
PC-Series Refrigeration Circuit - Pool Water Heat Mode ...... 80
PC-Series Refrigeration Circuit - Air Reheat Mode ............... 81
PC-Series Refrigeration Circuit - Heat Rejection Mode ........ 82
Dimensions ........................................................................... 83
Appendix A: Control Board Description
Appendix B: USB Driver Installation
Appendix C: PC App Installation
Appendix D: Updating Firmware
Updating Firmware Using PC App ........................................ 90
Updating Firmware Using Jumper Pins .................................. 92
Warranty
......................................................................... 93
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002291MAN-03
...... 84
............ 88