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Installation & Operating Instructions Engineering Specifications Hydronic GW 240 thru 360 Series

9 Pressure relief valves are required on hydronic applications. A 30 psig relief is adequate if the system is operated at 12 to 15 psig pressure. If

10 operate the control components may occur. B. Remote Hydronic Controls The GW240, and 360 use tandem compressors (two connected together) configu

11 5. Hydronic Circulator Pump Control The hydronic circulator pump is energized either directly with the compressor contactor through the internal

12 system to run in cooling. The compressor will start after an anti-short-cycle period of 70 to 130 seconds from its last shutdown. The anti-short-c

13 GW 2400 Heating Performance Data GROUND Hyd LWT oF First Stage HYDRONIC FLOW - 40 GPM 3.4 PSIG dP, 7.9 FT dP Second Stage HYDRONI

14 GW 3600 Heating Performance Data GROUND Hyd LWT oF First Stage HYDRONIC FLOW - 54 GPM 3.3 PSIG dP, 7.6 FT dP Second Stage HYDRON

15 XIV. Physical Dimensions – Ultra Hydronic Models GW 240 and 360 Series 51"30"36.7"0.88" D

16 XVI. Wiring Diagram – Ultra Hydronic Models [GW240x-x-UxTx] H2, 208V YelCB53-PhasePowerPowerBlockM1M22nd-StageRelayBluRedRedWHTH1, BLKYelVRBluRIB

17 Wiring Diagram – Ultra Hydronic Models [GW360x-x-UxTx] H2, 208V YelCB53-PhasePowerPowerBlockM1M22nd-StageRelayLP / FPHPBluRedRedWHTH1, BLKYelVRBl

18 XVII. Correction Factors Ground Side Flow Rates GW, Hydronic Side Flow Rates NOMINAL HEATING COOLING NOMINAL HEATING COOLING GPM BTU/

1 TABLE OF CONTENTS Section Title Page I. Ultra Hydronic Models A. Performance Ratings B. Configuration Options 2 II. Introduction to ECONAR H

19 XVIII. TROUBLESHOOTING GUIDE FOR LOCKOUT CONDITIONS If the heat pump goes into lockout on a high or low pressure switch or discharge refrigerant

20 XIX. TROUBLESHOOTING GUIDE FOR UNIT OPERATION PROBLEM POSSIBLE CAUSE CHECKS AND CORRECTIONS Entire unit does not run. Blown Fuse/Tripped Ci

21 PROBLEM POSSIBLE CAUSE CHECKS AND CORRECTIONS Remote Hydronic Control or Room Thermostat Improperly located thermostat (e.g. near kitchen, sen

22 XX. ADDITIONAL FIGURES, TABLES, AND APPENDICES Radiant HeatStorage TankRadiant Floor ThermostatExpansion TankRadiant Floor ZoneIntermediate Heat

23 Storage TankECONAR Hydronic heat pumpwith PumpPAKRadiant Floor ThermostatFan CoilRadiant Floor ZoneExpansion TankAir SeparatorCooling AquastatFan

Notes

25 Notes

26 Greenville, IL & Mitchell, SD [email protected] www.gogogeo.com 90-1050 Rev C (2013-002)

2 I. Ultra Hydronic Models Performance Ratings * Tested using AHRI/ISO 13256-2 Configuration Options Model

3 II. INTRODUCTION TO ECONAR HEAT PUMPS Enertech Global, LLC, is home to ECONAR geothermal heat pumps, a brand that has been in Minnesota for o

4 maintained as low as comfortably possible. The type of floor covering and the spacing of the pipe in the floor have the greatest effect on operatin

5 hydronic loop and the open system is required when corrosive fluid is used in the open loop; especially on swimming pools where pH imbalance can da

6 • The acceptable hydronic LWT is 70oF to 115oF for heating and 35oF to 50oF for cooling. Hydronic EWT should remain above 50oF to avoid low-pres

7 into the heat pump. Filling and purging a loop system are very important steps to ensure proper heat pump operation. Each loop must be purged with

8 zone. Small Grundfos pumps (230 Vac) should be used as circulator pumps. These pumps are impedance protected and do not require additional fusing i