Download
Share
Print this page
Water Furnace 7 Series Operation & Maintenance Manual
  1. Manuals
  2. Brands
  3. Water Furnace Manuals
  4. Heat Pump
  5. 7 Series
  6. Operation & maintenance manual

Water Furnace 7 Series Operation & Maintenance Manual

Hide thumbs Also See for 7 Series:

Advertisement

Quick Links

Download this manual
OPERATION & MAINTENANCE
7 Series 700A11
60HZ
OMW7-0018W

Advertisement

loading
Need help?

Need help?

Do you have a question about the 7 Series and is the answer not in the manual?

Questions and answers

Related Manuals for Water Furnace 7 Series

Summary of Contents for Water Furnace 7 Series

  • Page 1 OPERATION & MAINTENANCE 7 Series 700A11 60HZ OMW7-0018W...
  • Page 2 WARNING CAUTION This appliance is not intended for use by persons (including WARNING: Before performing service or maintenance children) with reduced physical, sensory, or mental capabili- operations on the system, turn off main power switches to ties, or lack of experience and knowledge, unless they have the unit.
  • Page 3 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Table of Contents UNIT OVERVIEW Nomenclatures ............... .4 AHRI Data.
  • Page 4 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Nomenclature IntelliStart Brand 0 – None W – WFI Model Mitigation 7 – 7 Series 1 – Sensor Mitigation Type Controls A – Water to Air D – Aurora Premium Control (Performance and Refrigeration Cabinet Configuration Monitoring) with EEV V –...
  • Page 5 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL AHRI Data The performance standard AHRI/ASHRAE/ISO 13256-1 became effective January 1, 2000 and replaces ARI Standards 320, 325, and 330. This new standard has three major categories: Water Loop (comparable to ARI 320), Ground Water (ARI 325), and Ground Loop (ARI 330).
  • Page 6 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL AHRI Data Variable Speed Residential AHRI Data ECM Motor AHRI/ASHRAE/ISO 13256-1 English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump Flow Rate Cooling Heating Cooling Heating Cooling Heating...
  • Page 7 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Physical Data Model Compressor (1 each) Variable Speed Scroll Factory Charge R454B, oz [kg] Vertical 64 [1.81] 64 [1.81] 95 [2.69] 110 [3.12] Factory Charge R454B, oz [kg] Horizontal 60 [1.70] 60 [1.70] 91 [2.58] 118 [3.35]...
  • Page 8 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Dimensional Data - Vertical Top Air Discharge LEFT RETURN RIGHT RETURN 1.9in [4.8cm] 1.9in [4.8cm] 2 ft [61 cm] I K J D E H F Primary Service Access FRONT RIGHT SIDE LEFT SIDE Return Connection Electrical Connections...
  • Page 9 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Dimensional Data - Horizontal TOP VIEW 2.1in [5.4cm] MOUNT (2) HANGER BRACKETS HORIZONTAL AS SHOWN TO ALLOW ACCESS TO FILTER 6 in [15.2 cm] MINIMUM CLEARANCE 2 ft [61 cm] TO VENT ACCESS Primary Service Access PANEL...
  • Page 10 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Data Max Fuse Rated Voltage COMP Drive Ext Loop Blower Total Unit Minimum Model COMP MRC Drive RLA Pump HACR Voltage Min/Max Internal Fuse Motor FLA Circuit Amp Breaker 024-036 208-230/60/1 187/253 22.0...
  • Page 11 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Auxiliary Heat Ratings BTU/HR Variable Speed Compatibility Model Stages Min CFM 208V 230V 208V 230V 024-036 24,600 32,700 1100 • • • EAL(H)10 10.8 14.4 36,900 49,100 1250 • • • EAL(H)15 14.4 19.2...
  • Page 12 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Blower Performance Data Variable Speed Air Flow Model Max ESP Speed 1 Speed 2 Speed 3 Speed 4 Speed 5 Speed 6 Speed 7 Speed 8 Speed 9 Speed 10 Speed 11 Speed 12 1100 1220 1440...
  • Page 13 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Antifreeze Corrections Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given. Antifreeze Type Antifreeze % by wt Heating Cooling Pressure Drop EWT - °F [°C] 30 [-1.1] 90 [32.2] 30 [-1.1]...
  • Page 14 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Correction Factor Tables Air Flow Corrections (Compressor Speeds 1-3) Airflow Cooling Heating CFM Per Ton % of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext of Clg 0.940 0.740...
  • Page 15 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Heat of Extraction/Heat of Rejection Heat of Extraction (MBtuh) Heat of Rejection (MBtuh) Model 30°F 50°F 70°F 90°F 30°F 50°F 70°F 90°F 110°F 22.5 32.5 41.7 49.1 39.1 44.1 42.8 40.3 37.9 23.2 33.9...
  • Page 16 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Water Quality Material Copper 90/10 Cupronickel 316 Stainless Steel Acidity/Alkalinity 7 - 9 7 - 9 7 - 9 Calcium and (Total Hardness) (Total Hardness) (Total Hardness) Scaling Magnesium Carbonate less than 350 ppm less than 350 ppm less than 350 ppm Less than 0.5 ppm (rotten egg...
  • Page 17 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Operating Parameters 024 - Comp Speed 8 - 850 CFM Cooling -- No Hot Water Generation Entering Water Water Flow Temp °F Suction Pressure psig Discharge Pressure psig Superheat Subcooling Water Temp Rise °F Air Temp Drop °F DB 109-114 116-126...
  • Page 18 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Pressure Drop Pressure Drop (psi) Model 30° F 50° F 70° 90° F 110° F 11.5 3.60 3.30 3.10 2.90 2.70 2.30 2.10 2.00 1.90 1.70 1.50 1.40 1.30 1.20 1.10 024-036 1.20 1.15...
  • Page 19 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Operation Logic Derating Heating Mode The VS compressor utilizes ‘envelope control’ to maintain When the variable speed controls determine that heating performance within operational limits and improve reliability. is needed in the space the blower will be turned on, the To accomplish this, pressure sensors for discharge and suction compressor will be ramped to speed 6 and the loop pump pressure as well as hot gas temperature sensing are used to...
  • Page 20 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System The Aurora AXB expands on the capability of the ABC control Aurora Advanced VS Control board. The additional features include active dehumidification, Aurora Advanced VS Control SuperBoost cooling mode, loop pump linking, intelligent System is a complete residential hot water generator control, variable speed pump capability, and commercial comfort system...
  • Page 21 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System Add On Control Feature Kits Description Aurora Advanced VS (field or factory Installed) Monitors real time power consumption of compressor, blower, aux heat and pump. Geo Energy Monitoring Kit Standard Requires thermostat TPCM32U04A or TPCC32U02.
  • Page 22 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System VS Drive and Envelope Control Modulating Water Valve The VS drive operates the compressor between 20 and 100% This output is provided to drive a modulating water valve. capacity.
  • Page 23 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System Home Automation 2 – E24 HA2 ‘SuperBoost’ Cooling Mode With a closed dry contact signal, this input will cause an alarm Occasionally there can be a requirement for a short term and Alert Code 24 to indicate on the stat or flash on ABC.
  • Page 24 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System (green) will be continuously lit, for low speed LED1 (red) will DIP 4 & 5 - Accessory Relay2: A second, DIP configurable, be continuously lit, and for high speed both LED3 (green) and accessory relay is provided that can be cycled with the LED1 (red) will be continuously lit.
  • Page 25 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System Basic Aurora Safety Features The following safety features are provided to protect the compressor, heat exchangers, wiring and other components from damage caused by operation outside of design conditions. Fuse –...
  • Page 26 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System Freeze Detection-Coax - set points shall be either 30°F or 15°F. Heating Operation - The unit will operate based upon demand When the thermistor temperature drops below the selected set as calculated by the room setpoint algorithm.
  • Page 27 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System • If HPC is enabled, ensure the "Min VS Pump Spd" setting The refrigerant passes through the check valve and is then (under OptiDry Setup) on the AID Tool is set to 6% for diverted to the coaxial heat exchanger by the four way applications with a VS Pump.
  • Page 28 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System ABC Control Board Layout AXB Control Board Layout See Figure 1 for See Figure 1 for DHW wiring. DHW wiring. LED 1 LED 1 LED 2 LED 2 FP1 –...
  • Page 29 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System IB-G LED Display (with OptiDry option only) The IB-G has three LEDs to visually show the status of the valve and board. The RED LED is a status LED and will be on when that IB-G has power.
  • Page 30 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System ASB Sensor Board Mitigation Fault Codes Refrigerant Leak Detection E81 – ASB Leak Detected The Aurora control system uses the ASB control board to This occurs when an ASB has a sensor that has detected A2L monitor the refrigerant sensor and determine when a fault refrigerant above its alarm threshold.
  • Page 31 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Control System...
  • Page 32 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Refrigerant Circuit Guideline Head Suction Compressor Air Temp. Water Temp. Symptom Superheat Subcooling Pressure Pressure Amp Draw Differential Differential Under Charged System (Possible Leak) High Over Charged System High High High Normal High Normal/Low...
  • Page 33 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Information General Accessory Relay Be sure the available power is the same voltage and phase A set of “dry” contacts has been provided to control as that shown on the unit serial plate. Line and low voltage accessory devices, such as water solenoid valves on open loop wiring must be done in accordance with local codes or installations, electronic air cleaners, humidifiers, etc.
  • Page 34 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electronic Thermostat Installation Position the thermostat subbase against the wall so that it is Figure 15: Thermostat Wiring (Communicating Style Signals) level and the thermostat wires protrude through the middle of the subbase. Mark the position of the subbase mounting C 24VAC (Common) C 24VAC (Common) holes and drill holes with a 3/16-inch bit.
  • Page 35 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Information Fixed Speed Flow Center The pump(s) will be connected to the terminals on PB1 in the unit electrical box as shown in Figure 3a. The pumps will automatically be cycled as required by the unit or by a signal from another unit sharing the flow center (See Figures 5 and 6). Pumps are protected by circuit breakers (CB) shown in Figure 3a.
  • Page 36 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Information - Flow Centers Variable Speed Flow Center cont. Two Pump Variable Speed Flow Center If a variable speed two pump flow center is used, the flow center will come with four red and two green wires for the high voltage wiring.
  • Page 37 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Information - Flow Centers (cont.) Fixed Speed Flow Center The pump(s) will be connected to the terminals on PB1 in the unit electrical box as shown in Figure 3a. The pumps will automatically be cycled as required by the unit or by a signal from another unit sharing the flow center (See Figures 5 and 6).
  • Page 38 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Electrical Information - Flow Centers (cont.) Two Pump Variable Speed Flow Center cont. The use of the black wire on the left hand pump (Bottom on NP/NPD with 2 VS pumps in same circuit) is ONLY to be connected for troubleshooting of the pumps.
  • Page 39 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Closed Loop Ground Source Systems NOTE: For closed loop systems with antifreeze protection, Figure 7: Closed Loop Ground Source Application set SW2-1 to the “LOOP” (15°F) position. (Refer to the DIP Switch Settings table in the Aurora Control section.) Auxiliary Heat ®...
  • Page 40 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Closed Loop Ground Source Systems cont. Multiple Units on One Flow Center Figure 8: Primary/Secondary Hook-up When two units are connected to one loop pumping system, Aurora Control to Aurora Control to Aurora Control to pump control is automatically achieved by connecting the Aurora Control Units...
  • Page 41 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Open Loop Ground Water Systems Figure 9a: Modulating Water Valve Connection Option Typical open loop piping is shown below. Always maintain water pressure in the heat exchanger by placing water Typical 0-10VDC modulating water valve. control valves at the outlet of the unit to prevent mineral precipitation.
  • Page 42 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Compressor & Thermistor Resistance Thermistor Resistance (10k Ohm) Winding Resistance at 70 °F Thermistor Resistance (1k Ohm) for FP1, FP2, HWL, suction line, Model Compressor Model No. for compressor discharge line, 208-230/60/1 LAT, LWT and LLT compressor ambient and EWT...
  • Page 43 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Reference Calculations Heating Calculations: Cooling Calculations: LWT = EWT + LWT = EWT - gpm x 500 gpm x 500 LAT (DB) = EAT (DB) - LAT = EAT + cfm x 1.08 cfm x 1.08 LC = TC - SC TH = HC + HW...
  • Page 44 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Operating Limits Cooling Heating Operating Limits (°F) (°C) (°F) (°C) Air Limits Min. Ambient Air Rated Ambient Air 26.7 21.1 Max. Ambient Air 37.8 29.4 Min. Entering Air 10.0 NOTE: Minimum/maximum limits are only for start-up conditions, and are Rated Entering Air db/wb 80.6/66.2 27/19...
  • Page 45 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Preventative Maintenance Water Coil Maintenance Other Maintenance Filters Keep all air out of the water. An open loop system should be checked to ensure that the well head is not allowing Air filters and variable speed drive filter must be clean to air to infiltrate the water line.
  • Page 46 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Troubleshooting Aurora Control System Test the valve: The resistance of the motor winding may be tested without open- NOTE: Refer to the Aurora Base Control Application and ing the system. Troubleshooting Guide and the Instruction Guide: Aurora Interface Remove power from the external controller and IB-G.
  • Page 47 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Interface Diagnostic (AID) Tool Aurora Input-Output Diagnostics LED Displays Slow Flash = 1 second on and 1 second off Troubleshooting the Aurora logic board Fast Flash = 100 ms on and 100 ms off can be accomplished using nothing more Flash Code = 100 ms on and 400 ms off with a 2 second pause than a couple of jumper wires and a volt...
  • Page 48 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Fault/Alarm Codes (ABC-Red LED) Aurora now expands the Fault/Alarms in to several groups. set point, the control shall begin counting down the 30 seconds • Faults are system critical faults to the heat pump and will cause delay.
  • Page 49 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Fault/Alarm Codes (ABC-Red LED) cont. of 0 to 16bar (0 to 232psi). Possible causes are faulty wiring or E71, EEV Fault - Loss of Charge (LOC) - The EEV sensors have a defective transmitter.
  • Page 50 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Aurora Fault/Alarm Codes (ABC-Red LED) cont. E42, Derating Drive - High Discharge Temperature - The E72, SafeMode EEV - Suction Temperature Invalid - The reading compressor discharge temperature (Sd) has reached a of the suction temperature sensor is not within the specified critical high value (>280°F/138°C).
  • Page 51 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Troubleshooting Checklist • Water flow may be restricted or inadequate. Verify in Equipment will not start or operate accordance with the pressure drop tables shown in product • Follow the troubleshooting flow charts to find root cause. install manual.
  • Page 52 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Steps 1) General Check measurement from the refrigerant line. The temperature should be within +/- 2° F. If not, replace the thermistor. • If any new device was installed, or any wiring was changed, check the connections to ensure the wiring is correct, and Other items to check when troubleshooting a water flow all the wires are in good condition.
  • Page 53 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Steps 4) Other Faults 5) Thermistor ECM Motor Will Not Start Disconnect the thermistor from the board and measure 1. Measure the voltage output between P13-1 and P13-5. ohms.
  • Page 54 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Use the following flow charts to aid in troubleshooting the control board. Compressor Will Not Start Without AID Tool Compressor will not start Count the number of Is LED3 (green) lit Is LED1 (red) flashes and compare to...
  • Page 55 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. Put control into test Check 24VAC Check 24VAC Check for correct Check Compressor mode, and wait 1 between CC and across contactor...
  • Page 56 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Compressor Will Not Start With AID Tool Compressor will not start Check current fault. Connect the AID Is the control in Correct fault and try to Tool Lockout? restart.
  • Page 57 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. Check 24VAC Check 24VAC Check for correct Check Compressor In “System between CC and across contactor voltage on T1 and wiring, winding...
  • Page 58 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. ECM Blower Will Not Start Without AID Tool Blower will not start Check for correct voltage Remove P1 and place a Put control into test Is LED3 (green) Lit between orange and jumper between R and...
  • Page 59 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. There is a problem Does the blower with the thermostat or start thermostat wiring Check 24VAC Is the DC voltage on P13-1...
  • Page 60 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. ECM Blower Will Not Start With AID Tool Blower will not start Check for correct voltage Connect AID Tool. Put control in test Is LED3 (green) Lit between orange and Remove P1 and put a mode and wait 1...
  • Page 61 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. Put control into test Check 24VAC Check 24VAC Check for correct Check Compressor mode, and wait 1 between CC and across contactor...
  • Page 62 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Loop Pump Will Not Start Variable Speed Pump Loop Pump will not start Check pump wiring to Is AXB LED1 Is AXB LED1 AXB. Check (Green) Flashing flashing fast? communication wiring...
  • Page 63 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. 2. When measuring 240VAC actual value may be between 190 and 250 VAC. Check 240 VAC Did the loop pump Is voltage on VS PMP...
  • Page 64 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Loop Pump Will Not Start Non Variable Speed Pump Loop Pump will not start Check pump wiring to Is AXB LED1 Is AXB LED1 AXB. Check (Green) Flashing flashing fast? communication wiring...
  • Page 65 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Troubleshooting Flow Charts cont. Notes: 1. When measuring 24VAC actual value may be between 18 and 30VAC. 2. When measuring 240VAC actual value may be between 190 and 250 VAC. Check for 240 VAC Check 240 VAC Did the loop pump...
  • Page 66 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Communicating Thermostat Troubleshooting Guide TPCC32U01*, TPCM32U03A* and TPCM32U04A* (*GSR, GSM, E, YRK) Thermostat not communicating Wire non- Are you using a communicating 8 Is this a variable communicating wire thermostat speed unit? thermostat? to P1 terminal on the ABC board...
  • Page 67 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Communicating Thermostat Troubleshooting Guide cont. Are all Remove what is applicable not needed or add devices present what is needed. Is Issue resolved on Configure the thermostat Aurora System communicating? screen TPCM32U03A*/TPCM32U04A* Thermostat P7 on ABC Board...
  • Page 68 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Signals To Check for 24VAC between R and C a signal and the contactor is not pulled in, check voltage across the contactor coil. If you have voltage across the contractor coil, replace the contactor.
  • Page 69 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Signals cont. To Check Operation of the Accessory Relay Put gauges on the unit to monitor high/low pressure. Place a jumper between “R” and “CC” as shown. This will bypass the safety circuit and the compressor will run whether the board is calling for it or not.
  • Page 70 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Control Board Signals cont. To Check the Condensate Sensor To Check the ECM Blower Motor Enable Signal 24 VAC VOLTS VOLTS OHMS With the AID Tool go to the “Thermostat Inputs” Menu under “Diagnostics”...
  • Page 71 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Jumping the Control Board Stage 1 Heating Stage 2 Heating With the AID Tool go to the “Thermostat Inputs” Menu under With the AID Tool go to the “Thermostat Inputs” Menu under “Diagnostics”...
  • Page 72 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Jumping the Control Board cont. Emergency Heat Stage 1 Cooling With the AID Tool go to the “Thermostat Inputs” Menu under With the AID Tool go to the “Thermostat Inputs” Menu under “Diagnostics”...
  • Page 73 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Jumping the Control Board cont. Reheat Mode With the AID Tool go to the “Thermostat Inputs” Menu under “Diagnostics” and over-ride the “DH” input to ON. If an AID Tool is not available remove the P1 connector to disconnect the thermostat from the board.
  • Page 74 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Troubleshooting Sensor Locations NOTE: Sensor locations are the same for OptiDry option. Leaving Water Thermistor (Sensor Wire Wrapped 4 Water Times Around Water Line) Blower Entering Water Thermistor Coax (Sensor Wire Flow Wrapped 4 Sensor...
  • Page 75 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Troubleshooting Startup/ roubleshooting Form Controls Info: Dealer: ABC Version: AXB Version: Phone #: Date: Problem: IZ2 Version: Model #: T-Stat Version: Installed Sensors: Serial #: COOLING CYCLE ANALYSIS SAT °F °F °F °F High Speed...
  • Page 76 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Troubleshooting...
  • Page 77 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 024 - 50% Part Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F MBtuh MBtuh °F MBtuh MBtuh MBtuh Ratio MBtuh...
  • Page 78 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 024 - 100% Full Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F MBtuh MBtuh °F MBtuh MBtuh MBtuh Ratio MBtuh...
  • Page 79 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 036 - 50% Part Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F LAT °F COP MBtuh MBtuh MBtuh MBtuh MBtuh...
  • Page 80 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 036 - 100% Full Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F MBtuh MBtuh °F MBtuh MBtuh MBtuh Ratio MBtuh...
  • Page 81 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 048 - 50% Part Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F LAT °F COP mBtuh MBtuh MBtuh MBtuh MBtuh...
  • Page 82 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 048 - 100% Full Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F LAT °F COP mBtuh MBtuh MBtuh MBtuh MBtuh...
  • Page 83 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 060 - 50% Part Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F mBtuh MBtuh °F MBtuh MBtuh MBtuh Ratio MBtuh...
  • Page 84 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Performance Data 060 - 100% Full Load HEATING - EAT 70°F COOLING - EAT 80/67 °F Flow Flow Airfl ow Power Airfl ow Power °F °F LAT °F COP mBtuh MBtuh MBtuh MBtuh MBtuh...
  • Page 85 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Service Parts List Parts List - Horizontal Compressor 208-230/60/1 34P676-01 34P676-01 34P677-01 34P678-01 Sound Jacket 92P504A05 92P504A05 92P504A05 92P504A05 Compressor Power Harness 11P853-01 11P853-01 11P853-01 11P853-01 ECM Motor 208-230/60/1 14S575-01 14S575-01 14S576-01 14S577.01 ECM EON...
  • Page 86 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Service Parts List Parts List - Vertical Compressor 208-230/60/1 34P676-01 34P676-01 34P677-01 34P678-01 Compressor Sound Jacket 92P504A05 92P504A05 92P504A05 92P504A05 Power Harness 11P853-01 11P853-01 11P853-01 11P853-01 ECM Motor 208-230/60/1 14S575-01 14S575-01 14S576-01 14S577.01 ECM Motor...
  • Page 87 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refriger- ants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant.
  • Page 88 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Refrigerant Recovery When removing refrigerant from a system, either for servicing The recovered refrigerant shall be processed according to or decommissioning, it is recommended good practice that all local legislation in the correct recovery cylinder, and the refrigerants are removed safely.
  • Page 89 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Charging procedures In addition to conventional charging procedures, the following requirements shall be followed. • Ensure that contamination of different refrigerants does not occur when using charging equipment. • Hoses or lines shall be as short as possible to minimise the amount of refrigerant contained in them.
  • Page 90 VARIABLE SPEED PACKAGED HEAT PUMP OPERATION AND MAINTENANCE MANUAL Notes...
  • Page 91 Revision Guide Pages: Description: Date: 16 Feb 2024 Document Creation...
  • Page 92 Manufactured by WaterFurnace International, Inc. 9000 Conservation Way Fort Wayne, IN 46809 www.waterfurnace.com *OM7W-0018W* Product: 7 Series Type: 60 Hz Size: 3-6 Tons Document: Operation & Maintenance Manual OM7W-0018-W 08/24 ©2024 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy of continual product research and development and...

This manual is also suitable for:

700a11