Econar GeoSource 2000 Operations Instructions Page 1

Installation and Operating Instructions Hydronic GW 29 Thru 380

8 A. Storage Tanks Coupling the heat pump to the space conditioning heat exchanger through a water storage tank is very common. In fact, the only in

9 The entire system must be purged of air during initial installation and pressurized to a 10-25 psi static pressure to avoid air entering the system.

10 Figure 3 – ECONAR Hydronic Heat Pump – Multizone System Figure 4 – ECONAR Hydronic Heat Pump – Radiant Floor Heating and Fan Coil Cooling

11 Figure 5 – ECONAR Hydronic Heat Pump – Single Zone Hydronic Heating Heat Exchanger )Note: Expect a 10°F temperature differential between supply ta

12 VI. UNIT SIZING Selecting the unit capacity of a hydronic geothermal heat pump requires four things: A) Earth Loop Configuration and Design Wat

13 that drives the suction pressure below cutout conditions). Hydronic side limits in cooling fall into the 25oF entering water temperature range.

14 pumps from receiving high voltage through the common wiring if it is turned off at the circuit breaker for service. Power is supplied to the therm

15 the event of a compressor lockout the controller will send a signal from L on the terminal strip to an LED on the thermostat to indicate a lockout

16 pressure exceeds 400 psi or goes below 25 psi. If the system exceeds 400 psi, the high-pressure switch will trip and lock the unit off until power

17 XII. TROUBLESHOOTING GUIDE FOR LOCKOUT CONDITIONS If the heat pump goes into lockout on a high or low pressure switch, the cause of the lockout

1 GeoSource 2000 Hydronic Unit Contactor Expansion Valve Scroll Compressor Air PadTransforme

18 PROBLEMS POSSIBLE CAUSE CHECKS AND CORRECTIONS Thermostat Check setting, calibration, and wiring, if thermostat has an anticipator, set it at 1

19 XIV. ADDITIONAL FIGURES, TABLES, AND APPENDICES Figure 7 - Electrical Diagram for GeoSource 2000 Hydronic Series Heat Pump (GWxxx-x-TxOx)

20 Figure 8 – Electrical Diagram for GeoSource 2000 Hydronic Series Heat Pump [GW(98,120)0-x-TxTx]

21 Heating Model CFM GPM dP Capacity (1000 BTU/hr) (Ft. of Head) 120oF EWT 140oF EWT 3.0 12.0 12.2 17.4 3 HBC-3 310 2.0 6.0 11.7

22 Outdoor Swimming Pool Heat Pump Sizing Worksheet For In-ground Pool Applications Project Name: Date: 1) Pool Length in Ft. 2

23 XV. DESUPERHEATER (OPTIONAL) A GeoSource 2000 unit equipped with a desuperheater can provide supplemental heating of a home's domes

24 Figure 9 – Preferred Desuperheater Installation Figure 10 – Alternate Desuperheater Installation

25 GeoSource 2000, DualTEK, Vara, Vara 2 PlusTM and Invision3 Heat Pumps USA and Caada Residential and Limited Commercial Warranty** Residential App

26 ColdClimate Geothermal Heat Pumps 19230 Evans Street (Hwy 169) Elk River, MN 55330 USA 1-800-4-ECONAR ww

1 TABLE OF CONTENTS Section Title Page I. Introduct

2 I. INTRODUCTION TO ECONAR HEAT PUMPS ECONAR Energy Systems, Corp. has been producing geothermal heat pumps in Minnesota for over fifteen years. Th

3 The GeoSource 2000 is designed to operate on either vertical or horizontal closed loop applications. Vertical loops are typically installed with a

4 The purge pump can be used to pressurize the system to an initial static pressure of 30 to 40 psi. Make sure the system is at this pressure after t

5 Water discharge is generally made to a drain field, stream, pond, surface discharge, tile line, or storm sewer. ,CAUTION: Using a drain field re

6 11. If the water still contains mineral debris, and if the flow through the unit did not improve along with an increase in the temperature differenc

7 Night setback thermostats are not recommended on radiant floor systems due to the response time of the slab. Radiant floor systems are not usually