York International HH8 Series Installation Manual

18 seer2 horizontal discharge variable speed heat pump

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Installation Manual: HH8 Series - 18 SEER2

Horizontal Discharge Variable Speed Heat

Pump

York International Corporation, 5005 York

6464781-UIM-C-0624

Drive, Norman, OK 73069

Supersedes: 6464781-UIM-B-0524

2024-06-19

Johnson Controls Ducted Systems

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Summary of Contents for York International HH8 Series

Page 1 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump York International Corporation, 5005 York 6464781-UIM-C-0624 Drive, Norman, OK 73069 Supersedes: 6464781-UIM-B-0524 2024-06-19 Johnson Controls Ducted Systems...
Page 2 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 3 Required procedures for A2L systems....................40 Evacuating the refrigerant lines and indoor coil................41 Releasing the refrigerant into the system..................42 Adjusting refrigerant charge......................43 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 4 Outdoor unit faults and protection....................78 Drive faults............................84 Overload in cooling mode........................90 Overload in heating mode........................90 Wiring diagrams............................. 91 Third-party trademarks notice........................92 Start-up sheet..............................93 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 5 Important indicates information that is essential to complete a task or may result in damage to the device if not followed. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 6 Note indicates something of special interest or importance. Notes can contain any type of information except safety information. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 7 This product must be installed in strict compliance with the enclosed installation instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 8 Electrical connections must be made by qualified electrical personnel. All valid standards and codes for installing, servicing, and maintaining electrical and refrigeration equipment must be observed. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 9 If conducting any hot work on the refrigerating equipment or any associated parts, you must have appropriate fire-extinguishing equipment on hand. Have a dry powder or  fire extinguisher adjacent to the charging area. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 10 Table 3: Minimum room area System charge (lb-oz) Minimum room area Minimum total Minimum system airflow (CFM) conditioned area (ft 4-12 5-12 6-12 7-12 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 11 11-8 11-12 12-0 12-4 12-8 12-12 13-0 13-4 13-8 13-12 14-0 14-4 14-8 14-12 15-0 15-4 15-8 15-12 16-0 16-4 16-8 16-12 17-0 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 12 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 13 Remove refrigerant according to the Removal and evacuations section of the outdoor unit's Installation Manual. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 14 Label the equipment stating that it has been decommissioned and emptied of refrigerant. Date and sign the label. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating that the equipment contains a flammable refrigerant. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 15 Note: The 10-pin mitigation harness is included in the loose parts kit. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 16 NC (Normally Closed) to Test. Make sure to return the test jumper to NC once testing is complete. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 17 When the system is in standby mode, repeat the above test for a W call for heating. When testing is complete, re-install the front cover on the control box. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 18 You can run a parameter query to view various outdoor unit parameters during installation if needed. See Checking outdoor unit parameters. Figure 4: Installation overview Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 19 Allows you to elevate the unit sufficiently to prevent any blockage of the air entrances by snow in areas where snow may accumulate. Check the local weather bureau for the expected snow accumulation in your area. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 20 Select a location for the outdoor unit that meets any requirements that are specific to the type of installation as outlined in Table Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 21 Determine the refrigerant piping layout, making sure that the length of the refrigerant piping between the indoor and outdoor units is as short as possible to optimize system performance. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 22 (g/m) HH824E2S11 131 (40) 98 (30) 0.54 (15) HH836E2S11 148 (45) 98 (30) 0.57 (16) HH860E2S11 246 (75) 98 (30) 0.60 (17) Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 23 Table 12: Height correction factors Height difference between indoor and Correction factor outdoor units - ft (m) 16 (5) 0.01 33 (10) 0.02 108 (30) 0.025 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 24 Outdoor temperature - °F (°C) DB Correction factor - humidity rating 85% RH 5 (-15) 0.95 14 (-10) 0.95 23 (-5) 0.93 32 (0) 0.85 44.6 (7) Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 25 Route two lifting slings under the unit as shown in Figure 10. If there are no packaging materials, protect the unit with cloth or paper. See Figure Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 26 Figure 10: Handling with packaging Figure 11: Handling without packaging Ensure the unit is balanced and, if safe to do so, carefully lift up the unit. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 27 When the system reaches an acceptable current level, the compressor and fan return to normal operating conditions. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 28 Use an R-454B TXV. See the Tabular Data Sheet for suitable models. • • Use a field-supplied R-454B liquid-line filter drier. What to do next: Install the outdoor unit. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 29 Affix the brand label. See Affixing the brand label. Replace the refrigerant piping if the installation conditions require as outlined in Table Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 30 Heat pumps defrost periodically resulting in water drainage. The unit must not be located where water drainage may freeze and create a hazardous condition, such as sidewalks and steps. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 31 To set the outdoor unit on the ground or a roof, do the following: Position the base so the outdoor unit is level and at least 2 in. from the ground or roof. See Figure Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 32 Fasten the outdoor unit tightly to the anchor bolts to secure the outdoor unit as shown in Figure Important: You must fasten the outdoor unit tightly and in a horizontal position to prevent noise. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 33 To mount the outdoor unit on a wall, do the following: • Use two wall mount brackets to mount the outdoor unit in a level position on the wall. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 34 16, centered 1/2 in. immediately below the tooling mark on the front panel. Figure 16: Brand label location What to do next: Install the refrigerant piping. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 35 • Tape and suspend the refrigerant lines correctly. Do not allow tube metal-to-metal contact. See Figure Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 36 Pack fiberglass insulation and a sealing material such as permagum around refrigerant lines where they penetrate a wall to reduce vibration and retain some flexibility. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 37 Find a suitable location on the liquid line near the indoor unit. Install the bi-flow liquid-line filter drier in accordance with the installation instructions for the liquid-line filter drier. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 38 Wrap a wet rag around the service valve to prevent heat damage, as shown in Figure • Protect items such as painted surfaces and insulation during brazing. • After brazing, cool the joint with a wet rag. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 39 After this connection has cooled, remove the nitrogen source from the liquid fitting service port. Replace the Schrader core in the liquid and vapor valves. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 40 Repair the system and purge with nitrogen Required during brazing. Leak test and pressure test the unit. Required Evacuate the system. Required Charge the system. Required Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 41 500 microns or less. no refrigerant leaks but the system still contains moisture and may require further evacuation. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 42 Replace the plunger caps finger tight, then tighten an additional 1/12 turn (1/2 hex flat). Ensure to replace the caps to prevent leaks. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 43 To adjust the refrigerant charge, do the following: • Follow the charging procedure in the Tabular Data Sheet for the outdoor unit. What to do next: Connect the wiring. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 44 Maximum overcurrent device (A) Compressor Type Twin rotary Twin rotary Twin rotary Rated load (A) 16.8 Crankcase heater (base heater) Base pan heater Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 45 Connect the power wiring from the disconnect switch into the outdoor unit control box as outlined for the specific outdoor unit model in Table Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 46 5. Make sure to seal all holes when the wiring is complete. 6. Replace the maintenance plate and the valve cover when the wiring is complete. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 47 Figure 21: Connecting the power wiring from the disconnect switch into the control box for HH824E2S11 units Figure 22: Connecting the power wiring from the disconnect switch into the control box for HH836E2S11 units - illustration 1 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 48 HH836E2S11 units - illustration 2 Figure 24: Connecting the power wiring from the disconnect switch into the control box for HH836E2S11 units - illustration 3 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 49 HH860E2S11 units - illustration 2 Figure 27: Connecting the power wiring from the disconnect switch into the control box for HH860E2S11 units - illustration 3 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 50 Z8VT, Y91E, Z9ES, RG19, Y92E, Z9ET, Y92V, Z9VT, Y9VV, Z9VV, and JMC indoor models, do not use the green G output wire. Instead, use the green/blk A2L and connect it to the G terminal on the indoor equipment. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 51 The mitigation control board has a bank of DIP switches. For use with a JME air handler indoor model, both DIP switches must be in the 0 or off position. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 52 DIP switches must be in the 1 or on position. The HUM input on the air handler control is for variable speed de-humidification operation. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 53 Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 54 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT,Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 55 If the electrical resistance is not more than 2 MΩ, do not operate the system until the electrical leakage is found and repaired. What to do next: Start up the system. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 56 If any troubleshooting is required, see Troubleshooting for guidance. What to do next: Adjust system settings if needed. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 57 35, ■ indicates the position of each switch for factory settings, pump down mode, forced defrost mode, lower capacity mode, and cooling only mode. Figure 35: DIP switch settings for all HH8 outdoor units Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 58 Result The temperature will now be displayed in Fahrenheit and the pressure will now be displayed in pounds per square inch / PSI. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 59 Close the liquid line service valve using a hex head wrench by turning the valve stem fully clockwise until seated as shown in Figure 36 Figure Figure 36: Unit service valves for HH824E2S11 and HH860E2S11 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 60 Take the outdoor unit out of pump down mode by setting the DIP switches on the S4 switch bank on the 7-segment display control board to the off position and immediately remove the line voltage power from the outdoor unit. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 61 Place the outdoor unit in cooling only mode by setting the DIP switch on the S5 switch bank on the main control board as shown for cooling only mode in Figure Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 62 S1, S2, and S3 buttons for the 7- segment display. Figure 38: Using the buttons for the 7-segment display Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 63 E 13. If there are multiple outdoor unit fault codes or protection codes, the codes display in sequence. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 64 Stop valve - gas Outdoor heat exchanger Electronic expansion valve Coil temperature sensor Stop valve - liquid Pressure sensor Ambient temperature sensor Indoor heat exchanger Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 65 Coil temperature sensor Indoor heat exchange Pressure sensor High-pressure switch Ambient temperature sensor Low-pressure switch Strainer Suction temperature sensor One-way valve Gas-liquid separator Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 66 Discharge temperature sensor Rectifier Checker/black box IGBT Ambient temperature sensor Diode Electronic expansion valve (EEV) DC fan motor Compressor wires Electric heating belt Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 67 Electric heating belt Electronic expansion valve (EEV) AC IN-LN Program PTC signal Checker/black box AC IN - L EE-prog AC IN - N Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 68 Number Description Computer/Checker to outdoor control board S3 button - decrease 7-segment display S2 button - increase DIP switch S1 button - select Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 69 Pressure protection: When the pressure increases to a preset value, the pressure switch • automatically changes to protection mode. The compressor stops and reports the protection code. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 70 2.850 -5.29 5.23 1.551 1.654 1.762 -6.23 6.13 0.9676 1.041 1.120 -7.05 7.05 0.6188 0.6718 0.7291 -7.89 7.86 0.4056 0.4440 0.4859 -8.65 8.62 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 71 Check the refrigerant system using a pressure gauge tool as needed as follows: See the defrost cycle in operation. Measure the refrigerant piping temperature. Test the refrigerant piping pressure. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 72 Use the cooling mode flow chart to check for cooling operation issues. See Figure • Use the heating mode flow chart to check for heating operation issues. See Figure Figure 46: Cooling mode flow chart Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 73 Figure 47: Heating mode flow chart Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 74 LEDs, remove the system top cover. Figure 49: LEDs for HH824E2S11 Note: The design of the main control board is upside down as shown in Figure Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 75 See Drive faults for troubleshooting guidance for specific drive fault codes. Figure 50: Example of drive fault code 32 Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 76 P.0 parameter code. If there are multiple outdoor unit fault codes or protection codes, the codes display in sequence. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 77 The drainage pipe is blocked or Change the drainage pipe. broken. The insulation of the refrigerant Correct the refrigeration piping piping is inadequate. insulation. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 78 — components. EE components control Replace the outdoor circuit failure. control board components. The EE components are Reassemble the EE inserted incorrectly. components. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 79 DIP switch and the short-circuit fuse. The low-voltage cable is Choose suitable low- incorrect. voltage cable. Refer to the installation instructions. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 80 The outdoor control Replace the outdoor board is abnormal. control board. Overload System overload. Overload in cooling — protection in mode. cooling mode. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 81 Replace the outdoor sampling circuit failure. control board. IPM fault. Drive or amplifier fault. Table 34 Table — for troubleshooting guidance for drive fault codes. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 82 DC fan motor drive Replace the drive board circuit failure. of the DC fan motor. Outdoor unit airflow Resolve the outdoor blockage. unit airflow restriction. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 83 Four-way valve failure. Replace the four-way valve. Four-way valve drive Replace the drive board board failure. of the four-way valve. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 84 AD offset abnormal detected failure. Drive board failure. Change the drive Inverter PWM initialization failure. board. PFC_PWM initialization fault. Temperature is abnormal. Shunt resistance unbalance adjustment fault. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 85 The compressor Check the stop valve parameter is not to see if it is open. suitable. Drive board failure. Change the drive board. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 86 Change the drive components. board. The compressor Change the insulation has failed. compressor. Initialization, phase current imbalance. Bad drive board Change the drive components. board. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 87 AC voltage supply out of range. Power supply Check the system. abnormal. Power frequency out of range. Drive board failure. Change the drive board. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 88 Instantaneous power off detection. The power supply is Check the power not stable. supply. Instantaneous power No fault. failure. Drive board fault. Change the drive board. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 89 Abnormal PFC drive Change the drive loop. board. Compressor drive chip could not receive Communication loop Change the drive data from PFC chip. fault. board. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 90 Check the indoor fan. correctly. The air inlet and air outlet are blocked. Remove the obstructions. The EEV has failed. Replace the EEV. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 91 5 min after power is removed. Wait for more than 5 min before performing electrical work after power is removed. Figure 51: Electrical wiring diagram for HH824E2S11 units Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 92 Figure 35 for DIP switch settings. Third-party trademarks notice Third-Party Trademarks Notice: For information about third-party trademarks, refer to the relevant company websites. Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...
Page 93 Start-up sheet Installation Manual: HH8 Series - 18 SEER2 Horizontal Discharge Variable Speed Heat Pump Johnson Controls Ducted Systems...

York International HH8 Series Installation Manual

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