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Summary of Contents for Econar GeoSource 2000
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Page 1: Operating Instructions
Installation Operating Instructions Vertical and Horizontal Forced Air GV/GH 18 Thru 120 Series... - Page 2 GeoSource 2000 Vertical Unit Air Filter Blower Air Coil Contactor Transformer Expansion Valve Controller Scroll Compressor Reversing Valve Desuperheater (Optional) Air Pad GeoSource 2000 Horizontal Unit Controller Air Coil Reversing Valve Blower Transformer Scroll Compressor Air Pad Contactor...
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Page 3: Table Of Contents
Page Introduction to ECONAR Heat Pumps ..... 2 Unit Location/Mounting ....... . . 2 III. -
Page 4: Introduction To Econar Heat Pumps
No other manufacturer goes as far as to run a full performance check to assure system quality. The GeoSource 2000 forced air heat pumps use a 230 Volt three speed blower. For maximum airflow, the ** IMPORTANT** blower should be on high speed. - Page 5 F F Note: The blower will not operate properly if Blower motors may overheat if run for an extended period ductwork is not attached. The ductwork supplies static of time without ductwork attached. pressure to give the blower motor a load to work against. Table 1 - Duct Sizing Chart Acceptable Branch Duct Sizes Acceptable Main or Trunk Duct Sizes...
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Page 6: Earth Loop Water Piping
The GeoSource 2000 is designed to operate on either Flow rate requirements for closed loops are higher than vertical or horizontal closed loop applications. Vertical open loop systems because water temperatures supplied to loops are typically installed with a well drilling rig up to the heat pump are generally lower (see Table 3). -
Page 7: Open Loop Applications
Table 3 – Loop Side Flow Rates psi initial pressure, the loop may need to be pressurized to 60 to 65 psi. This static pressure will fluctuate from Model Closed Loop Open Loop heating to cooling season, but the pressure should always Flow Flow remain above zero so circulation pumps do not cavitate... -
Page 8: Freeze Cleaning
If the GeoSource 2000 heat pumps before the warranty can be temperature difference is 8 degrees or less, registered on the heat pump. The switch mounts on the consideration should then be given to cleaning the compressor’s suction line and is wired to terminals on the... -
Page 9: Chlorine Cleaning
Condensate traps are built into every GeoSource 2000 10. Run the heat pump until the water coil is vertical unit, so an external trap should not be installed. -
Page 10: Unit Sizing
36,000 Btu/hr to cool the house on an earth loop contactor. (designed for 77 F summertime EWT), a Gx52x-x-Txxx GeoSource 2000 heat pump is required to handle the When supplying power to external water pumps with the loads. heat pump’s power supply, use only impedance protected motors. -
Page 11: 24 Volt Control Circuit
Electrical diagrams are provided in Figures 5 and 6 and thermostat). This lockout condition means that the unit on the electrical box cover panel of the GeoSource 2000 has shut itself down on a low or high-pressure switch to heat pump. An internal 24-volt, 55 VA transformer is protect itself, and will not come back on until power has provided to operate all control features of the heat pump. -
Page 12: Compressor Operation
An optional overflow detection sensor may be added to for cooling on the O terminal, the controller energizes its the GeoSource 2000 heat pumps. This sensor is located O output to send control power to the reversing valve in the drain pan, and monitors the amount of water (VR) to switch the refrigerant circuit to the cooling mode. -
Page 13: Startup
After the initial power up period is completed, the red Anti-Short-Cycle indicator Regular service to a GeoSource 2000 heat pump is very light on the controller will shut off. The heat pump is limited. The biggest factor is changing the air filter. -
Page 14: Filter
A. Filter XI. THERMOSTAT The GeoSource 2000 heat pump is equipped with a OPERATION disposable air filter. This filter should normally be replaced once a month during normal usage. During This section covers basic operation of the standard 2-heat extreme usage or if system performance has decreased, 1-cool thermostat that ECONAR carries. -
Page 15: Troubleshooting Guide For Unit Operation
XII. TROUBLESHOOTING GUIDE FOR UNIT OPERATION PROBLEM POSSIBLE CAUSE CHECKS AND CORRECTIONS Blown Fuse/Tripped Replace fuse or reset circuit breaker. (Check for correct size Circuit Breaker fuse and circuit breaker.) Blown Fuse on Controller Replace fuse on controller. (Check for correct size fuse.) Broken or Loose Wires Replace or tighten the wires Voltage Supply Low... - Page 16 PROBLEM POSSIBLE CAUSE CHECKS AND CORRECTIONS Unit Short Wiring and Controls Loose wiring connections, or control contactor defective. Cycles Compressor Overload Defective compressor overload, check and replace if necessary. (Continued) If the compressor runs too hot, it may be due to a insufficient refrigerant charge.
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Page 17: Troubleshooting Guide For Lockout Conditions
PROBLEM POSSIBLE CAUSE CHECKS AND CORRECTIONS Rattles and Vibrations Check for loose screws, panels, or internal components. Tighten and secure. Copper piping could be hitting the metal surfaces. Noisy Carefully readjust by bending slightly. Operation Water and Airborne Undersized ductwork will cause high airflow velocities and noisy (Continued) Noises operation. -
Page 18: Additional Figures And Tables
XIV. ADDITIONAL FIGURES AND TABLES Figure 4 – Horizontal Unit Hanging Bracket INDICATOR LIGHTS CONDITION PWR ASC LP FP OFD COMMENTS AC power applied Blown fuse or power removed. " ASC indicator on for 4' 35" on power initialization. " Power applied - unit running or waiting for a call to run. - Page 19 Figure 5 – Wiring Diagram, Forced Air Models [G(V,H)xxx-x-TxOx]...
- Page 20 Figure 6 – Wiring Diagram, Forced Air Models [GH(98,120)x-x-TxTx]...
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Page 21: Desuperheater (Optional)
A spring-type check valve with a pressure rating (OPTIONAL) of 1/2 psi or less is recommended. A GeoSource 2000 unit equipped with a desuperheater All air must be purged from the desuperheater plumbing can provide supplemental heating of a home's domestic before the pump is engaged. - Page 22 Figure 7 – Preferred Desuperheater Installation Figure 8 – Alternate Desuperheater Installation...
- Page 23 All Parts – 2 Years Years 1 through 2, ECONAR Energy Systems Corp. will provide a free replacement part upon prepaid return of all d efective parts, F.O.B. Appleton, MN for any part which fails to function properly due to defective material, or workmanship. * During this period, ECONAR will provide a free relacement part F.O.B.
- Page 24 ™ Geothermal Heat Pumps ColdClimate™ 19230 Evans Street (Hwy 169) Elk River, MN 55330 1-800-4-ECONAR www.econar.com NRTL/C © ECONAR Energy Systems Corp. 90-0113 Rev. 7-03...
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