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Nordic W Series Product Application, Installation And Service Manual

Commercial water to water heat pumps / chillers
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Application, Installation, & Service Manual
Commercial Water to Water Heat Pumps / Chillers
Dual Refrigeration Circuit
W-series
(standard temperature, R454b)
WH-series
(high temperature, R513a)
Model Sizes 150-1000 (12 to 81 ton)
Maritime Geothermal Ltd.
info@nordicghp.com
P.O. Box 2555, 170 Plantation Road
www.nordicghp.com
Petitcodiac, NB E4Z 6H4
002746MAN-01
(506) 756-8135
24-Oct-2024

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Summary of Contents for Nordic W Series

  • Page 1 Application, Installation, & Service Manual Commercial Water to Water Heat Pumps / Chillers Dual Refrigeration Circuit W-series (standard temperature, R454b) WH-series (high temperature, R513a) Model Sizes 150-1000 (12 to 81 ton) Maritime Geothermal Ltd. info@nordicghp.com P.O. Box 2555, 170 Plantation Road www.nordicghp.com Petitcodiac, NB E4Z 6H4 002746MAN-01...
  • Page 2 4 = 460-3-60 H = Heating 5 = 575-3-60 AC = reversing valve (sizes 150-800 only) 8 = 400-3-60 W = desuperheater for DHW (sizes 150-400 only) Refrigerant: = R454b [A2L] (W series) Y = R513a (WH series) 24-Oct-2024 Page 2 002746MAN-01...
  • Page 3 Search for any topic: APPLICATION/AVAILABILITY TABLE - W-SERIES MODEL FUNCTION REFRIGERANT VOLTAGE COMPR. OUTDOOR COIL INDOOR COIL REVISIONS W-150 W-185 W-240 W-300 W-400 W-500 W-600 W-800 W-900 W-1000 APPLICATION/AVAILABILITY TABLE - WH-SERIES MODEL FUNCTION REFRIGERANT VOLTAGE COMPR. OUTDOOR COIL INDOOR COIL REVISIONS WH-150 WH-185...
  • Page 4 002527PDG - 2 Tank Piping w/Multiple Rev. Heat Pumps Performance Tables: WH-800 002288PDG - Two Tank Simultaneous Heating/Cooling 001680PDG - Two Tank Sim. Heating/Cooling (Diverting) Electrical Specifications - W Series 002286PDG - Geothermal Snow Melt w/Reheating Electrical Specifications - WH Series 000530PDG - Typical Zone Types...
  • Page 5 Search for any topic: Tables & Documents Tables Table 1 - Power Supply Connections ......................8 Table 2 - Indoor & Outdoor Circulator Connections ..................8 Table 3 - Water Valve Connections ......................... 9 Table 4 - BACnet Connections ........................9 Table 5 - Setpoint Control Connections ......................
  • Page 6 Search for any topic: System Description General Overview loop. (See simultaneous heating-cooling diagrams in the Pip- chapter.) Multiple units are easily installed side by side with These units are 2-compressor dual refrigeration circuit zero clearance using horizontal headers, to provide redundancy water-to-water heat pumps.
  • Page 7 Search for any topic: Installation Basics Unpacking the Unit General Bill of Materials When the heat pumps reach the site, they should be This is not an exhaustive list, but is an example of the ma- unpacked to determine if any damage has occurred during terials that may be required for a commercial installation.
  • Page 8 Search for any topic: Wiring Power Supply Connections Outdoor Loop Circulator Pump Wiring The heat pump electrical box and also the enclosure (if The outdoor loop circulator provides flow between the heat used) have several knockouts of various sizes for the electrical pump and the outdoor loop.
  • Page 9 Search for any topic: BACnet Control Connections Indoor Loop Water Valve Wiring In most multiple-unit commercial installations, the heat ON/OFF: Connect a 24VAC indoor loop water valve between pump will be controlled by the building automation system. If IV1 and GND (terminals DO_1 and LC on control board), as using BACnet MS/TP for external control of heating/cooling de- shown on the wiring diagram (SCH) in the Model Specific In-...
  • Page 10 Search for any topic: This powers the coil of an external contactor to operate auxiliary heat. When using Hardwired Control, a mechanical hydronic auxiliary heat. This signal can provide a maximum tank element thermostat can be set to maximum, allowing the of 500mA at 24VAC.
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  • Page 14 Search for any topic: Piping & Loop Information Water Loop Connections TABLE 9 - Loop Connection Sizes The Outdoor Loop (Supply) and Indoor Loop (Hot) con- Model Size Connection Size (SS grooved/Victaulic) nections are stainless steel pipe designed for Victaulic connect- ors.
  • Page 15 Search for any topic: Ground Loop Systems To avoid scale formation on the inside of the heat pump’s outdoor loop coil, total hardness should be less than 350 ppm / Note that in northern climates, only the W-series is suita- 350 mg/L.
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  • Page 25 Search for any topic: Operation 1. BACnet Control 3. Setpoint Control If using BACnet Control, the heat pump will turn the com- One of the features of the GEN2 Control Board is built in pressors on and off and activate cooling mode (for HAC models) temperature control functionality called “Setpoint Control”.
  • Page 26 Search for any topic: Setpoint Control window looks like this for Method 1 TABLE 13a - Typical W-Series Setpoints (Indoor Loop - ICR): Stage 3 Stage 1 Stage 2 (Auxiliary) HEATING °F °C °F °C °F °C Setpoint Delta Activation * Delay 10 minutes Stage 1...
  • Page 27 Search for any topic: Outdoor Reset Then enable the outdoor sensor in the Tools --> Configu- ration window or LCD interface: As mentioned earlier, lower heating setpoints will translate directly into a higher COP (efficiency). Setpoint Control has an optional Outdoor Reset control algorithm for heating mode, PC APP: which reduces the heating temperature setpoints at warmer Tools-->Configuration...
  • Page 28 Search for any topic: Setpoint Control Method 2 - Indoor Loop (ICR) Two Tanks It is possible to use all of the Setpoint Control Method 1 However, it is suggested to use Method 4 (External HTS/ settings, and operate two buffer tanks: one for heated water and CTS with two tanks) for this purpose.
  • Page 29 Search for any topic: Setpoint Control Method 3 - External (HTS/CTS) One Tank For reversing models only (HAC), cooling mode is selected a) HTS/CTS w/ One Tank - Heat Pump Mode by making a dry contact connection between R/RA and O on the right side of control board.
  • Page 30 Search for any topic: b) HTS/CTS w/ One Tank - Chiller Mode Setpoint Control window looks like this for Method 3b (External HTS/CTS with One Tank, Chiller Mode): For non-reversing models only (H), Chiller Mode allows the heat pump to be controlled from the Outdoor Loop (cold side) rather than the...
  • Page 31 Search for any topic: Setpoint Control Method 4 - External (HTS/CTS) Two Tanks *REVERSING MODELS ONLY (HAC) Setpoint Control window looks like this for Method 4 PC APP: (External HTS/CTS with Two Tanks): Tools-->Configuration LCD Interface: Configuration Like with Method 3, when this method is used no indoor circulator control for temperature sampling will occur.
  • Page 32 Search for any topic: PC Application (PC APP) NOTE: Before using the PC Application, refer to Appendices for installation instructions for the PC Application and USB driver for the COM port. Both must be installed in order to run the PC App and communicate with the control board. Connect a USB cable between the PC and the control board USB connector located at the bottom center of the board.
  • Page 33 Search for any topic: View Menu: This menu handles all of the operational viewing screens. Clicking on the View submenus will open the page in the PC APP’s frame. The next few pages of the manual show screenshots of each of the pages along with some descriptions of what is on each page. View-->Control Panel: The main control panel window will open, shown below.
  • Page 34 Search for any topic: View-->Commercial W Operation: Shows a graphical display that allows convenient monitoring of heat pump operation, including: • operation mode, and stage 1 & 2 on/off status • water line in/out temperatures and delta T • compressor current draw •...
  • Page 35 Search for any topic: View-->Alarms, Limits and Faults (ALARMS Tab): NOTE: Greyed out Alarms in the PC APP are not applicable to the system setup and are not monitored by the control board. NOTE: Refer to Alarms and Faults screenshot below to see which alarms have a count. Alarms without a count only occur one time at which point they immediately create a Permanent Alarm.
  • Page 36 Search for any topic: View-->Alarms, Limits and Faults (ALARMS LIST Tab): This tab show a history of alarms that have occurred since the PC APP was connected to the control board. This list will be lost when the PC APP is disconnected. Each alarm that occurs while This button will erase the the PC APP is connected to...
  • Page 37 Search for any topic: View-->Alarms, Limits and Faults (FAULTS tab): This tab shows hardware faults that could occur. If one of these faults occurs there may be a problem with the control board hard- ware, with LCD Display and buttons, or with a sensor. If a fault occurs, some things to try: •...
  • Page 38 Search for any topic: View-->Water Lines Shows the water line temperatures. View-->Digital Inputs Shows the digital inputs and their individual status (ON/OFF). They may be individually controlled when in Manual Override Mode in order to facilitate troubleshooting. View-->Digital Outputs Shows the digital outputs and their individ- ual status (ON/OFF).
  • Page 39 Search for any topic: Graphs Menu: This menu is a list of the available graphs. Graphs are real-time and show a time stamp of when the recording started as well as a current time which will show up if the graph is screen captured. Each graph has a CLEAR button which will erase the stored data and restart the graph.
  • Page 40 Search for any topic: Tools Menu: This is where various tools for system setup and monitoring are located. Tools-->Configuration (System Configuration tab): This is where the system setup is done. Settings should only be changed by a person who has a good understanding of sys- tem operation.
  • Page 41 Search for any topic: Tools-->Configuration (Alarms and Delays tab): Click on the UP/DOWN arrows to change the value, noting that values have both a low and high limit. The number of minutes before the The minimum off unit can start again after various time when switching Count Reduce Time is alarm shutdowns...
  • Page 42 Search for any topic: Tools-->Calibration: Generally there is no need for calibration. The suction and discharge pressures may be calibrated in increments of 1 psi if there is a discrepancy in the readings when compared to a known good reference. Temperature sensors may be adjusted in increments of 0.1°F.
  • Page 43 Search for any topic: Tools-->Datalogging (Datalog tab): A log will be automatically recorded at the following rates: • SYSTEM DISABLED: every 10 minutes • SYSTEM ENABLED: logging frequency set via the dropdown box at the top right of the PC App main window •...
  • Page 44 Search for any topic: Tools-->Parameters: WARNING! The Parameters page is for advanced use only. Changing parameter values can cause the system to stop functioning properly. The parameters page shows all configurable memory spaces with their name and current value and allows them to be edited directly. To change a parameter value type in the new value and press ENTER.
  • Page 45 Search for any topic: LCD Interface & Menus These are examples of the unit status and operating data displayed when at the message display level (top level). Pressing ENTER will enter into the menu levels beginning with the Main Menu. 2x16 LCD Display ENTER button: DOWN button:...
  • Page 46 Search for any topic: ENTER ENTER ENTER ENTER Description (From Main) (First Press) (Second Press) (Third Press) System EN/DIS — STAGE 1 (Bot) — Enable Enable compressor 1, auxiliary, and ICR. — Disable Disable compressor 1, auxiliary, and ICR. — STAGE 2 (Top) —...
  • Page 47 Search for any topic: BACnet Interface The BACnet interface is an MS/TP connection via RS-485 twisted pair. BACnet IP is not available. Recommended wire: 22-24 AWG single twisted pair, 100-120 Ohms impedance, 17pF/ft or lower capacitance, with braided or alumi- num foil shield, such as Belden 9841 or 89841.
  • Page 48 Search for any topic: TABLE 18 - BACnet OBJECTS - DATA (Read Only) Name Property Units Description AI0 (Comp1_Current) Present Value Amps Stage 1 compressor current draw (AI0) AI1 (Comp2_Current) Present Value User Stage 2 compressor current draw (AI1) Present Value User User defined (0-5VDC or 4-20mA) Present Value...
  • Page 49 Search for any topic: TABLE 19 - BACnet OBJECTS - ALARM Descriptions (Read Only) Name Data Type Description AI0 (Comp1 Current) Analog Input Stage 1 status alarm (start / stop failure, from current sensor) AI1 (Comp2 Current) Analog Input Stage 2 status alarm (start / stop failure, from current sensor) LPS1 Analog Input Stage 1 low pressure alarm...
  • Page 50 Search for any topic: TABLE 20 - BACnet OBJECTS - FAULT Descriptions (Read Only) Name Data Type Description AI4 (Cold Tank) Analog Input Cold tank temperature sensor faulty or disconnected - requires accessory AI5 (Hot Tank) Analog Input Hot tank temperature sensor faulty or disconnected - requires accessory LPS1 Analog Input Stage 1 low pressure sensor faulty or disconnected...
  • Page 51 Search for any topic: Startup Procedure The W/WH-Series Startup Record located in this manual is used in conjunction with this startup procedure to provide a detailed record of the installation. A completed copy should be left on site, a copy kept on file by the installer, and a copy should be sent to Maritime Geothermal Ltd..
  • Page 52 Search for any topic: Unit Startup The unit is now ready to be started. The steps below outline the procedure for starting the unit and verifying proper operation of the unit. It is recommended that safety glasses be worn during the following procedures. IMPORTANT NOTE: The unit is shipped with Stage 1 and Stage 2 Disabled in order to prevent the unit from starting when the power is first turned on.
  • Page 53 Search for any topic: Startup Record Sheet - Commercial W/WH-Series Installation Site Startup Date Installer City Company Province Model Check boxes unless asked to record data. Country Serial # Circle data units. Client Name Site Owner Phone # PRE-START INSPECTION Indoor Loop All shut-off valve are open (full flow available) (Hydronic)
  • Page 54 Search for any topic: Routine Maintenance MAINTENANCE SCHEDULE Item Interval Procedure LCD Interface or Weekly (optional, if alarms Check for alarms and faults. Rectify problem if are not reported through a alarms found. See Troubleshooting chapter. Status Lights or PC App via USB BACnet system) Strainers Monthly...
  • Page 55 Search for any topic: Troubleshooting Guide The following steps are for troubleshooting the heat pump. Repair procedures and reference refrigeration circuit dia- grams can be found later in this manual. STEP 1: Verify that the LCD Interface is functioning . If it is not, proceed to POWER SUPPLY TROUBLE SHOOTING, otherwise proceed to STEP 2.
  • Page 56 Search for any topic: ALARM TROUBLESHOOTING Alarm/Fault Description Recommended Action Note that the data logging function of the GEN2 Control Board is a very useful tool for troubleshooting alarms. It pro- vides a history of the unit operation up to and including the time at which the alarm(s) occurred. Low Pressure A low pressure alarm occurs when the suction pressure drops to Go to the Low Pressure sec-...
  • Page 57 Search for any topic: FAULT TROUBLESHOOTING Alarm/Fault Description Recommended Action Digital Inputs Digital Outputs Cycle the power a few times; if the Analog Inputs A failure has occurred and the indicated section of the fault persists replace the control control board may no longer work properly. MODBUS Comms board.
  • Page 58 Search for any topic: COMPRESSOR TROUBLESHOOTING Fault Possible Cause Verification Recommended Action Compressor will Faulty control board No 24vac output on STAGE1 or Replace control board. not start STAGE2 when compressor should be operating. Faulty run capacitor Check value with capacitance meter. Replace if faulty.
  • Page 59 Search for any topic: OPERATION TROUBLESHOOTING - HEATING MODE Fault Possible Cause Verification Recommended Action High or low Faulty sensor Compare pressure sensor reading Check wiring, replace sensor. If suction or dis- against a known reference such as a problem persists replace control charge pressure new refrigeration manifold set.
  • Page 60 Search for any topic: OPERATION TROUBLESHOOTING - HEATING MODE Fault Possible Cause Verification Recommended Action Low suction EEV stuck almost closed Manually adjusting the EEV does Go to EEV troubleshooting section. pressure or partially blocked by for- not affect the superheat or the suc- (continued) eign object tion pressure.
  • Page 61 Search for any topic: OPERATION TROUBLESHOOTING - COOLING MODE (HAC models only) Fault Possible Cause Verification Recommended Action Heating instead Zone thermostat intercon- Verify that there is 24VAC across O Correct thermostat or external con- of cooling nection or external control and C/CA of the aquastat strip on trol system setup.
  • Page 62 Search for any topic: OPERATION TROUBLESHOOTING - COOLING MODE (HAC models only) Fault Possible Cause Verification Recommended Action High suction EEV stuck open Manually adjusting the EEV does Go to EEV troubleshooting section. pressure not affect the superheat or the suc- (may appear to tion pressure.
  • Page 63 Search for any topic: EEV (Electronic Expansion Valve) TROUBLESHOOTING Electronic expansion valves are a great advancement over TVX’s, allowing more precise refrigerant control, but they do have a couple of limitations. a) EEV’s receive commands to open or close from the control board, but they don’t send any feedback to the control board to confirm that command has been received and acted upon.
  • Page 64 Search for any topic: Repair Procedures Pumpdown Procedure 1. Place the unit in SERVICE mode via the PC App or LCD interface; this will open the EEVs and start the circulators (if circulators are controlled by the heat pump). DO NOT turn off electrical power at the breaker panel, since the brazed plate heat exchangers must have full water flow during refrigerant recovery.
  • Page 65 Search for any topic: Compressor Replacement Procedure 1. Pump down the unit as per the Pumpdown Procedure above. If there was a compressor burn out (motor failure), the refrigerant cannot be reused and must be disposed of according to local codes, 2.
  • Page 66 Search for any topic: Control Board Replacement Procedure 1. Turn the power off to the unit. 2. Take a picture of the control board and connectors for reference. The picture in Appendix A may also be helpful. 3. Carefully remove all green terminal strips on the left side, the right side and the bottom of the control board. They pull straight off the board, with no need to disconnect wires from their screw terminals.
  • Page 67 Search for any topic: LCD Interface (Display) Board Replacement Procedure 1. Turn the power off to the unit. 2. Remove the display board cable connector from the control board. 3. Using a sharp utility knife with a long blade, slice each of the display board standoff heads off, taking care to not damage the lexan cover.
  • Page 68 Search for any topic: Model Specific Information Table 21 - Flow Rates & Volumes Recommended Liquid Flow Nominal Heat Pump’s Heat Pump’s (Outdoor & Indoor Loops) Size Indoor Loop Outdoor Loop MODEL 100% CAPACITY 50% CAPACITY (60Hz) Holdup Volume Holdup Volume (2 COMPRESSORS) (1 COMPRESSOR) tons...
  • Page 69 Search for any topic: Table 24a - W-SERIES Operating Temperature Limits Loop Mode Parameter (°F) (°C) Note 0-10VDC modulating water valve required on indoor loop at Minimum ELT/EWT HEATING temperatures < 80°F (27°C), or manual flow reduction at startup (indoor is hot loop) Maximum LLT/LWT Maximum hot loop temperature during ICE production ICE production...
  • Page 70 Search for any topic: Table 25: Loop Pressure INDOOR INDOOR OUTDOOR OUTDOOR OUTDOOR Drop Data (water 130°F) (water 104°F) (water 50°F) (15% methanol 32°F) (35% prop.glycol 32°F) W/WH- W/WH- W/WH- W/WH- W/WH- W/WH- 24-Oct-2024 Page 70 002746MAN-01...
  • Page 71 Search for any topic: Table 25: Loop Pressure INDOOR INDOOR OUTDOOR OUTDOOR OUTDOOR (cont’d) Drop Data (water 130°F) (water 104°F) (water 50°F) (15% methanol 32°F) (35% prop.glycol 32°F) W/WH- 10.7 W/WH- 10.7 12.0 13.2 W-900 10.7 12.0 13.2 14.5 10.1 W-1000 11.4 12.6...
  • Page 72 Search for any topic: Standard Capacity Ratings - W-Series Note: There are no Standard Capacity Ratings for the WH-Series; see WH Performance Tables. Table 26 - W-SERIES Standard Capacity Ratings Standard Capacity Ratings - Ground Loop Heating* 60Hz 104°F (40°C), ELT 32°F (0°C) Nominal Liquid Flow...
  • Page 73 Search for any topic: Standard Capacity Ratings - W-Series Note: There are no Standard Capacity Ratings for the WH-Series; see WH Performance Tables. Table 26 - W-SERIES Standard Capacity Ratings Standard Capacity Ratings - Ground Loop Cooling* 60Hz EWT 53.6°F (12°C), ELT 77°F (25°C) Nominal Liquid Flow Input...
  • Page 74 Search for any topic: Performance Tables - W-Series (US UNITS) W-150-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x YA76K1E-TFD (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 75 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-150-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x YA76K1E-TFD (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 76 Search for any topic: Performance Tables - W-Series (US UNITS) W-185-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x YA91K1E-TFD (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 77 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-185-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x YA91K1E-TFD (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 78 Search for any topic: Performance Tables - W-Series (US UNITS) W-240-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60120VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 79 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-240-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60120VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 80 Search for any topic: Performance Tables - W-Series (US UNITS) W-300-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60137VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 81 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-300-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60137VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 82 Search for any topic: Performance Tables - W-Series (US UNITS) W-400-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60182VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 83 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-400-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60182VL (460-3-60) Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap.
  • Page 84 Search for any topic: Performance Tables - W-Series (US UNITS) W-500-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60235VL (460-3-60) Multiply by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor Input...
  • Page 85 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-500-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD60235VL (460-3-60) Multiply by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor...
  • Page 86 Search for any topic: Performance Tables - W-Series (US UNITS) W-600-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80295VL (460-3-60) Multiply by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor Input...
  • Page 87 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-600-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80295VL (460-3-60) Multiply by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor...
  • Page 88 Search for any topic: Performance Tables - W-Series (US UNITS) W-800-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80385VL (460-3-60) Multiply by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor Input...
  • Page 89 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-800-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80385VL (460-3-60) Multiply by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor...
  • Page 90 Search for any topic: Performance Tables - W-Series (US UNITS) W-900-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80421VL (460-3-60) Multiply by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor Input...
  • Page 91 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-900-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80421VL (460-3-60) Multiply by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor...
  • Page 92 Search for any topic: Performance Tables - W-Series (US UNITS) W-1000-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80485VL (460-3-60) Multiply by 0.8 for 575-3-60. EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor Input...
  • Page 93 Search for any topic: Performance Tables - W-Series (METRIC UNITS) W-1000-H**-X-*D-PP *Compressor current is for 460-3-60. R454b, 60 Hz, 2 x GSD80485VL (460-3-60) Multiply by 0.8 for 575-3-60. METRIC EVAPORATOR LOOP (50% Propylene Glycol) ELECTRICAL CONDENSER LOOP (Water) Evap. Flow Delta T Ice Cooling Compressor...
  • Page 94 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † Compressor current is for 460-3-60. WH-150-H**-Y-*D-PP R513a, 60 Hz, 2 x ZR68KCE-TFD (460-3-60) [Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60.] OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 95 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † Compressor current is for 460-3-60. WH-185-H**-Y-*D-PP R513a, 60 Hz, 2 x ZH40KCE-TFD (460-3-60) [Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60.] OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 96 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † Compressor current is for 460-3-60. WH-240-H**-Y-*D-PP R513a, 60 Hz, 2 x ZH50KCE-TFD (460-3-60) [Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60.] OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 97 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † Compressor current is for 460-3-60. WH-300-H**-Y-*D-PP R513a, 60 Hz, 2 x ZH64KCE-TED (460-3-60) [Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60.] OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 98 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † Compressor current is for 460-3-60. WH-400-H**-Y-*D-PP R513a, 60 Hz, 2 x ZH76KCE-TED (460-3-60) [Multiply by 2.2 for 208-3-60, by 0.8 for 575-3-60.] OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 99 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † WH-500-H**-Y-*D-PP Compressor current is for 460-3-60. [Multiply by 0.8 for 575-3-60.] R513a, 60 Hz, 2 x ZH101KCE-TED (460-3-60) OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 100 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † WH-600-H**-Y-*D-PP Compressor current is for 460-3-60. [Multiply by 0.8 for 575-3-60.] R513a, 60 Hz, 2 x ZH125KCE-TED (460-3-60) OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 101 Search for any topic: Performance Tables - WH-Series * Cooling via reversing models (-HAC), or switching indoor/outdoor ** Lower cooling mode outdoor loop ELT’s may require flow control † WH-800-H**-Y-*D-PP Compressor current is for 460-3-60. [Multiply by 0.8 for 575-3-60.] R513a, 60 Hz, 2 x ZH150KCE-TED (460-3-60) OUTDOOR LOOP (Water) ELECTRICAL...
  • Page 102 Search for any topic: Electrical Specifications - W-Series Table 27 - W-Series (R454b) Electrical Specifications Compressors Maximum Minimum Power Supply Elec. (each) Fuse/Breaker Wire Size Code V-ø-Hz Amps Amps Amps 208/230-1-60 32.8 66.5 74.7 #3-2 208-3-60 24.4 49.7 55.8 #4-3 W-150 460-3-60 11.9...
  • Page 103 Search for any topic: Electrical Specifications - WH-Series Table 28 - WH-Series (R513a) Electrical Specifications Compressors Maximum Minimum Power Supply Elec. (each) Fuse/Breaker Wire Size Code V-ø-Hz Amps Amps Amps 208/230-1-60 28.8 58.5 65.7 #4-2 208-3-60 18.6 38.1 42.8 #6-3 WH-150 460-3-60 18.5...
  • Page 104 Search for any topic: 24-Oct-2024 Page 104 002746MAN-01...
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  • Page 112 Search for any topic: Dimensions: Without Enclosure (Sizes 150-400) All dimensions in inches. 24-Oct-2024 Page 112 002746MAN-01...
  • Page 113 Search for any topic: Dimensions: With Enclosure (Sizes 150-400) RECOMMENDED NO SIDE CLEARANCE REQUIRED RECOMMENDED BACK CLEARANCE: FRONT CLEARANCE: 3 FT 3 FT + HEADERS All dimensions in inches. 24-Oct-2024 Page 113 002746MAN-01...
  • Page 114 Search for any topic: Dimensions: Without Enclosure (Sizes 500-1000) All dimensions in inches. 24-Oct-2024 Page 114 002746MAN-01...
  • Page 115 Search for any topic: Dimensions: With Enclosure (Sizes 500-1000) RECOMMENDED NO SIDE CLEARANCE REQUIRED RECOMMENDED BACK CLEARANCE: FRONT CLEARANCE: 3 FT + HEADERS 3 FT All dimensions in inches. 24-Oct-2024 Page 115 002746MAN-01...
  • Page 116 Search for any topic: Appendix A - GEN2 Control Board Description The picture below shows the locations of the connectors and LED indicators of the control board. The control board offers many fea- tures such as short circuit protection on all digital outputs, Real Time Clock with super capacitor for backup power, WiFi capability, relay outputs for plenum heater control (if equipped), USB port, PIC32 microcontroller, etc.
  • Page 117 Search for any topic: The tables describe the connections starting with the top of the board and working around the board counter clock-wise. TABLE A1 - Control Board Connector Descriptions (Top) Name Description HPS1/HI1 High Pressure Sensor 1 Measures refr. circuit 1 compressor discharge pressure LPS1/LO1 Low Pressure Sensor 1 Measures refr.
  • Page 118 Search for any topic: TABLE A3 - Control Board Connector Descriptions (Bottom) Name Description BACnet MS/TP Ground for shield if required (see BACnet Interface section) BACnet MS/TP RS-485 BACnet MS/TP RS-485 STAGE1 Compressor Stage 1 Starts / stops compressor 1 STAGE2 Compressor Stage 2 Starts / stops compressor 2...
  • Page 119 Search for any topic: TABLE A4 - Control Board Connector Descriptions (Right Side) Signal Description DI_1 Digital Input 1 Compressor 2 protection module alarm input (sizes W-240 and up) DI_0 Digital Input 0 Compressor 1 protection module alarm input (sizes W-240 and up) Phase Monitor 2 Phase monitor 2 alarm input Phase Monitor 1...
  • Page 120 Search for any topic: Appendix B - USB Driver Installation (Windows 10 & earlier 4. In the window that is displayed, click and hold down the NOTE: This step is not necessary for Windows 11. mouse button on the folder name, and drag to your desktop: The first step in connecting a Windows 10 or earlier laptop computer to the control board is to install the USB driver.
  • Page 121 Search for any topic: Appendix C - PC App Installation (Windows 11) The PC App allows detailed interfacing with the control board 4. Click on the downloads icon on your browser, or using a Windows laptop computer. These instructions are for otherwise view a list of your downloaded files: Windows 11.
  • Page 122 Search for any topic: Appendix D - PC App Installation (Windows 10 & earlier) 4. In the window that is displayed, click and hold down the The PC App allows detailed interfacing with the control board mouse button on the folder name, and drag to your desktop: using a Windows laptop computer.
  • Page 123 Search for any topic: Appendix E: Updating Firmware METHOD 1: Updating Firmware Using PC App This method can be used when updating newer control boards 7. Click on YES. The following message box will appear: with bootloader version 2.0. This method will not work for older control boards with bootloader version 1.0 (approx.
  • Page 124 Search for any topic: 12. Click on Load Hex File. Select the 16. Close the PIC32 program. MGL_GEN2_V376.production.hex (or higher version num- ber) file, which is in the folder you created on the Desktop. 17. WAIT APPROXIMATELY 10 SECONDS. This gives the control board time to reset, initialize and re-connect to the PC USB port.
  • Page 125 Search for any topic: METHOD 2: Updating Firmware Using Jumper Pins This method should be used when updating older control boards 6. Turn the power back on. The control board is now in boot that have bootloader version 1.0, or where the PC App has trou- loader mode and is ready to be programmed.
  • Page 126 Search for any topic: Warranty: W/WH-Commercial Series COMMERCIAL LIMITED EXPRESS WARRANTY Unless a statement is specifically identified as a warranty, statements made by Maritime Geothermal Ltd. (“MG”) or its representatives relating to MG’s products, whether oral, written or contained in any sales literature, catalogue or agreement, are not express warranties and do not form a part of the basis of the bargain, but are merely MG’s opinion or commendation of MG’s products.

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