Split Products HSS Series Split System, 11/2 to 5 Tons HTS Series Split System, Two Stage, 2-5 Tons Outdoor Split Geothermal Heat Pumps Installation, Operation & Maintenance Instructions Revision: 23 June, 2008 Table of Contents Model Nomenclature 3 Safety 4 Storage 5 Pre-Installation 5 Equipment Selection 6 Air Coil Match-ups 6-7 Air Handler Selection 8 Installation 9 Water Connections 10-11 Ground Loop Applications 11-13 Open Loop - Ground Water Systems 14-15 Water Quality Standard
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 This page left intentionally blank 2 w w w. h e a t c o n t o l l e r.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Model Nomenclature: for Indoor Split Series 4 5 6 7 Model Nomenclature: for Indoor Split Series NOTE: Above model nomenclature is a general reference. Consult individual specification catalogs for detailed information. w w w. h e a t c o n t o l l e r.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Safety Safety Warnings, cautions and notices appear throughout this manual. Read these items carefully before attempting any installation, service or troubleshooting of the equipment. DANGER: Indicates an immediate hazardous situation, which if not avoided will result in death or serious injury. DANGER labels on unit access panels must be observed.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 General Information Inspection Upon receipt of the equipment, carefully check the shipment against the bill of lading. Make sure all units have been received. Inspect the packaging of each unit, and inspect each unit for damage. Insure that the carrier makes proper notation of any shortages or damage on all copies of the freight bill and completes a common carrier inspection report.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Equipment Selection Indoor Coil Selection - HTS GeoMax 2 HCI split system heat pumps are rated in the ARI directory with a specific indoor coil match. GeoMax 2 (HTS) models are rated with Carrier/Bryant FV4 or FE4 series variable speed air handlers as shown in Table 1a.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Equipment Selection Table 1b: GeoMax 2 (HTS) Air Handler Characteristics for Brands other than Above Models Nominal Tons* Evaporator Temp (ºF) CFM Capacity (MBtuh)** 024 - Part Load 1.5 50 530 19.2 - 22.4 024 - Full Load 2.0 52 880 24.2 - 28.2 036 - Part Load 2.5 51 700 25.2 - 29.2 036 - Full Load 3.0 50 1200 34.5 - 40.1 048 - Part Load 3.5 47 1000 34.3 - 39.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Equipment Selection Air Handler Selection Example Figure 1 shows a typical performance table for a heat pump air handler. Suppose the evaporator temperature required is 50ºF, the capacity required is 35,000 Btuh and the airflow required is 1,200 CFM. Each evaporator temperature listed in the table shows three wet bulb temperatures.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Installation NOTICE! Failure to remove shipping brackets from spring-mounted compressors will cause excessive noise, and could cause component failure due to added vibration.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Installation Figure 2: HTS/HSS Installation External Flow Controller Mounting The Flow Controller can be mounted beside the unit as shown in Figure 7. Review the Flow Controller installation manual for more details. The female locking ring is threaded onto the pipe threads which holds the male pipe end against the rubber gasket, and seals the joint.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Installation GROUND-LOOP HEAT PUMP APPLICATIONS x CAUTION! x CAUTION! The following instructions represent industry accepted installation practices for closed loop earth coupled heat pump systems. Instructions are provided to assist the contractor in installing trouble free ground loops. These instructions are recommendations only.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Ground-Loop Heat Pump Applications Earth loop temperatures can range between 25 and 110°F [-4 to 43°C]. Flow rates between 2.25 and 3 gpm per ton [2.41 to 3.23 l/m per kW] of cooling capacity is recommended in these applications. Test individual horizontal loop circuits before backfilling. Test vertical U-bends and pond loop assemblies prior to installation.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Ground-Loop Heat Pump Applications Table 1: Approximate Fluid Volume (U.S. gal. [L]) per 100' of Pipe Figure 7: Loop Connection (Indoor Compressor Section) Fluid Volume (gal [liters] per 100’ [30 meters) Pipe) Pipe Size Volume (gal) [liters] 1” 4.1 [15.3] Copper 1.25” 6.4 [23.8] 2.5” 9.2 [34.3] 1” 3.9 [14.6] 3/4” IPS SDR11 2.8 [10.4] 1” iPS SDR11 4.5 [16.7] 1.25” IPS SDR11 8.0 [29.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Ground-Water Heat Pump Applications “Indoor” Compressor Section Only Open Loop - Ground Water Systems (“Indoor” Compressor Section Only) The “outdoor” version of the compressor section may not be used with open loop systems due to potential freezing of water piping. Typical open loop piping is shown in Figure 9.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Ground-Water Heat Pump Applications Water Coil Low Temperature Limit Setting For all open loop systems the 30°F [-1.1°C] FP1 setting (factory setting-water) should be used to avoid freeze damage to the unit. See “Low Water Temperature Cutout Selection” in this manual for details on the low limit setting.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Water Quality Standards Table 3: Water Quality Standards Water Quality Parameter HX Material Closed Recirculating Open Loop and Recirculating Well Scaling Potential - Primary Measurement Above the given limits, scaling is likely to occur. Scaling indexes should be calculated using the limits below.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation x CAUTION! x CAUTION! R-410A systems operate at higher pressures than R-22 systems. Be certain that service equipment (gauges, tools, etc.) is rated for R-410A. Some R-22 service equipment may not be acceptable. x CAUTION! x CAUTION! Installation of a factory supplied liquid line bi-directional filter drier is required.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Figure 10: Braze Instructions Figure 11: Air Coil Connection Add-On Heat Pump Applications The indoor coil should be located in the supply side of the furnace to avoid condensation damage to the furnace heat exchanger for add-on heat pump applications.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Evacuation Of The Lineset And Coil The line set and coil must be evacuated to at least 500 microns to remove any moisture and noncondensables. Evacuate the system through both service ports in the shipping position (full CW in - see table 5) to prevent false readings on the gauge because of pressure drop through service ports.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Refrigeration Installation Turn service valves full out CCW (see Table 5) and then turn back in one-half turn to open service ports. Add the required refrigerant so that the total charge calculated for the unit and line set is now in the system. Open the service valve fully counter clockwise so that the stem will backseat and prevent leakage through the schrader port while it is not in use.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator The HWG (Hot Water Generator) or desuperheater option provides considerable operating cost savings by utilizing excess heat energy from the heat pump to help satisfy domestic hot water requirements.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator Figure 17: Alternate HWG Piping with concentric/coaxial fitting (part #S69619804 not included with unit) (Indoor Compressor Section) The heat pump, water piping, pump, and hot water tank should be located where the ambient temperature does not fall below 50°F [10°C]. Keep water piping lengths at a minimum. DO NOT use a one way length greater than 50 ft. [15 m].
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Hot Water Generator Module Refrigeration Installation x CAUTION! x CAUTION! The HWG module must be installed in an area that is not subject to freezing temperatures. NOTICE! Make sure the compressor discharge line is connected to the “Hot Gas In” stub on the Heat Recovery Unit.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Electrical - Line Voltage x flexible conduit to minimize vibration and sound transmission to the building. WARNING! x WARNING! To avoid possible injury or death due to electrical shock, open the power supply disconnect switch and secure it in an open position during installation. x General Line Voltage Wiring Be sure the available power is the same voltage and phase shown on the unit serial plate.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Electrical - Line Voltage ELECTRICAL - POWER WIRING Electrical - Line Voltage All field installed wiring, including electrical ground, must comply with the National Electrical Code as well as all applicable local codes. Refer to the unit electrical data for fuse sizes.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Electrical - HWG Wiring HWG Wiring - “Indoor” Compressor Section The hot water generator pump power wiring is disabled at the factory to prevent operating the HWG pump “dry.” After all HWG piping is completed and air purged from the water piping, the pump power wires should be applied to terminals on the HWG power block PB2 as shown in the unit wiring diagram.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Electrical - Low Voltage Wiring Figure 23: FP1 Limit Setting electromechanical thermostat. Therefore, only relay or triac based thermostats should be used. JW3-FP1 jumper should be clipped for low temperature operation CXM PCB Accessory Connections A terminal paralleling the compressor contactor coil has been provided on the CXM control.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Electrical - Low Voltage Wiring Figure 27: Two-Stage HTS Piping x CAUTION! x CAUTION! Refrigerant pressure activated water regulating valves should never be used with HCI equipment. Figure 28b: Typical Thermostat Wiring, HSS Single-Stage Units (2 Heat/1 Cool) x CAUTION! x CAUTION! Many units installed with a factory or field supplied manual or electric shut-off valve.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 CXM Controls CXM Control For detailed control information, see CXM Application, Operation and Maintenance (IOM) manual. terminal will continuously output the last fault code of the controller. If set to “EH2 normal,” EH2 will operate as standard electric heat output.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 CXM Controls Safety Features – CXM Control The safety features below are provided to protect the compressor, heat exchangers, wiring and other components from damage caused by operation outside of design conditions. Anti-short cycle protection: The control features a 5 minute anti-short cycle protection for the compressor. Note: The 5 minute anti-short cycle also occurs at power up.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 32 H e a t C o n t r o l l e r, I n c .
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 CXM Controls CXM Control Start-up Operation The control will not operate until all inputs and safety controls are checked for normal conditions. The compressor will have a 5 minute anti-short cycle delay at power-up. The first time after power-up that there is a call for compressor, the compressor will follow a 5 to 80 second random start delay.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 CXM Controls Table 10: Nominal resistance at various temperatures ϒ ϒ ϒ ϒ CXM Thermostat Details Thermostat Compatibility - Most all heat pump thermostats can be used with the CXM control. However Heat/Cool stats are NOT compatible with the CXM. Anticipation Leakage Current - Maximum leakage current for "Y" is 50 mA and for "W" is 20mA.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Starting and Operating Conditions Operating Limits Environment – “Indoor” compressor section is designed for indoor installation only. Never install “indoor” compressor section in areas subject to freezing or where humidity levels could cause cabinet condensation (such as unconditioned spaces subject to 100% outside air).
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Starting and Operating Conditions Unit and System Checkout BEFORE POWERING SYSTEM, please check the following: UNIT CHECKOUT � Balancing/shutoff valves: Insure that all isolation valves are open and water control valves are wired.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Start-Up Procedure flow rate is correct by measuring pressure drop through the heat exchanger using the P/T plugs and comparing to Tables 12a through 12b. d. Check the elevation and cleanliness of the condensate lines. Dripping may be a sign of a blocked line. Check that the condensate trap is filled to provide a water seal. e. Refer to Table 13.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 12a: Two-Stage HTS R-410A Compressor Section Coax Water Pressure Drop Model GPM Pressure Drop (psi) 30°F 50°F 70°F 90°F 024 4.0 6.0 7.0 8.0 1.5 3.1 4.1 5.1 1.3 2.6 3.4 4.3 1.1 2.3 3.0 3.8 1.0 2.1 2.7 3.4 036 4.0 6.0 8.0 9.0 1.2 2.6 4.5 5.7 1.0 2.5 4.2 5.2 0.8 2.3 4.0 4.8 0.6 2.1 3.7 4.4 048 5.5 8.3 11.0 12.0 1.1 2.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 14a: Size 024 HTS Two-Stage R-410A Typical Unit Operating Pressures and Temperatures Full Load Cooling - without HWG active Entering Water Temp °F Water Flow GPM/ ton Suction Pressure PSIG Discharge Pressure PSIG Superheat Subcooling 30 1.5 2.25 3 122-132 122-132 122-132 159-179 146-166 132-152 13-18 13-18 14-19 50 1.5 2.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Unit Operating Conditions Table 14d: Size 060 HTS Two-Stage R-410A Typical Unit Operating Pressures and Temperatures Full Load Cooling - without HWG active Entering Water Temp °F Water Flow GPM/ ton Suction Pressure PSIG Discharge Pressure PSIG Superheat Subcooling 30 1.5 2.25 3 117-127 116-126 115-125 160-180 133-153 125-145 16-21 17-22 18-23 50 1.5 2.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Preventive Maintenance Water Coil Maintenance (Direct ground water applications only) If the system is installed in an area with a known high mineral content (125 P.P.M. or greater) in the water, it is best to establish a periodic maintenance schedule with the owner so the coil can be checked regularly.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Troubleshooting General If operational difficulties are encountered, perform the preliminary checks below before referring to the troubleshooting charts. • Verify that the unit is receiving electrical supply power. • Make sure the fuses in the fused disconnect switches are intact.
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 CXM Process Flow Chart x WARNING! x WARNING! HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING. Failure to disconnect power before servicing can cause severe personal injury or death. w w w. h e a t c o n t o l l e r.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Functional Troubleshooting 44 H e a t C o n t r o l l e r, I n c .
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Functional Troubleshooting Performance Troubleshooting w w w. h e a t c o n t o l l e r.
H E AT C O N T R O L L E R , I N C . W AT E R - S O U R C E H E AT P U M P S Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 Troubleshooting Form Note: Never connect refrigerant gauges during startup procedures. Conduct water-side analysis using P/T ports to determine water flow and temperature difference. If water-side analysis shows poor performance, refrigerant troubleshooting may be required. Connect refrigerant gauges as a last resort. 46 H e a t C o n t r o l l e r, I n c .
The Quality Leader in Conditioning Air Residential Split - 60Hz R22 &R410A R e v. : 5 J u n e , 2 0 0 8 w w w. h e a t c o n t o l l e r.
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