Related Manuals for Heat Controller Flow Controllers
Summary of Contents for Heat Controller Flow Controllers
- Page 1 INSTALLATION, OPERATION & MAINTENANCE MANUAL Flow Controllers Single & Two Pump Modules For Geothermal Loops...
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Page 2: Table Of Contents
Flow Controller GEOTHERMAL PUMPING MODULE Clear TABLE OF CONTENTS Earth Loop Pressurization Flow Controller Description Flow Controller Start-Up Flow Controller Mounting Pump Cartridge Replacement Piping Installation Closed Loop Design Electrical Wiring Polyethylene Pressure Drop Flushing the Earth Loop Rubber Hose Pressure Drop Antifreeze Selection Closed Loop Installation Antifreeze Charging... -
Page 3: Flow Controller Description
FLOW CONTROLLER DESCRIPTION 6 - 0.266” dia 10.125 13.125 14.125 6.875 4. 56 4.56 Figure 1. Flow Controller Dimensions 7602-300 and 301 are insulated flow controllers containing all flush, fill, and isolation connections for a residential and General light commercial geothermal closed loop system that The installation of the Flow Controller shall be made in require a flow rate of no more than 20 gpm. -
Page 4: Piping Installation
It should be remembered that heat pump access will be Table 2. Typical Piping Insulation Materials limited in this mounting position. Piping Material Insul Description Piping Material Insul Description Concrete wall - Mounting onto a concrete wall can be 1" Hose Kit 1-3/8"... -
Page 5: Electrical Wiring
FLOW CONTROLLER ELECTRICAL WIRING Electrical Table Power wiring to the flow controller should conform to all applicable codes. Figure 6 illustrates the wiring required Model Volts Amps for the HRH and HRV series of geothermal 7602-300 1.07 heat pumps. Note the flow controller is available in only in 230V single phase voltage. -
Page 6: Flushing The Earth Loop
FLUSHING THE EARTH LOOP Once piping is completed between the unit, flow This position should be switched while filling to fill the controller and the ground loop, final purging and unit heat exchanger and hose kit. This should be maintained charging of the loop is needed. -
Page 7: Antifreeze Selection
Figure 8D. Valve Position D - Full Flush Figure 8E. Valve position E - Pressurize and Operation Now by switching both valves to this position water will use an air compressor to bump the pressure up through the flow both through the loop and the unit heat exchanger. P/T port. -
Page 8: Antifreeze Charging
some local codes may limit its’ use in earth loops. To Propylene glycol - Nontoxic, non-corrosive, expensive, increase safety, a premixed form should be used on the hard to handle when cold, poorest heat transfer, has jobsite to increase the safety factor. Pure methanol can be formed “slime-type”... -
Page 9: Heat Pump Freezestat Setting
Table 4 - Antifreeze Percentages by Volume Type Minimum Temperature for Freeze Protection 10 F 15 F 20 F 25 F Methanol 100% USP food grade Propylene Glycol 4) Isolate unit and prepare to flush only through loop. Chart 1A - Methanol Specific Gravity start flush cart, and gradually introduce the required amount of liquid to the flush cart tank (always 1.000... -
Page 10: Pressure Drop Tables
Pressure/Temperature Ports The pressure/temperature ports (P/T ports) supplied with the earth loop connector kit are provided as a means of measuring flow and temperature. The water flow (GPM) through the unit can be checked by measuring the incoming water pressure at the supply water P/T port and subtracting the leaving water pressure at the return water P/T port. -
Page 11: Flow Controller Start-Up
FLOW CONTROLLER INITIAL START-UP Chart 2 - 7602 Flow Controller Performance Start-Up of Flow Controller 1) Check to make sure that the loop and unit isolation Flow Controller Performance valves are completely open and the flush ports are closed and sealed. 2) Check and record the earth loop pressure via the P/T -300 ports. -
Page 12: Closed Loop Design
GEOTHERMAL CLOSED LOOP DESIGN Closed Loop Basics • Joints are frequently required in difficult trench connections and the smaller socket fusion iron is Closed Loop Earth Coupled Heat Pump systems are more mobile and operators will have less of a commonly installed in one of three configurations: tendency to cut corners during the fusion procedure horizontal, vertical, and pond loop. - Page 13 • Installation ease - The smaller pipe is easier to loop in horizontal systems generally does not exceed 5 handle during installation than the larger diameters. feet because of trench safety issues and the sheer amount The ‘memory’ of the pipe can be especially of dirt required to move.
- Page 14 The header shown in Figure 11B is a standard header locating the header to all circuits and then bringing the design through 5 tons for polyethylene pipe using 1-1/4” circuits to the header. One of the easiest implementations supply and return runouts. Notice the reduction of pipe is to angle all trenches into a common pit similar to a from 2"...
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Page 15: Polyethylene Pressure Drop
Table 7A - Polyethylene Pressure Drop per 100ft of Pipe Table (30 F 20% Methanol by Volume solution freeze protected to 15 F) FLOW 3/4" IPS SDR 11 1" IPS SDR 11 1 1/4" IPS SCH 40 1 1/2" IPS SCH 40 2"... -
Page 16: Rubber Hose Pressure Drop
Table 7B - Canadian Polyethylene (CSA) Pressure Drop per 100ft of Pipe Table (30 F 20% Methanol by Volume solution freeze protected to 15 F) FLOW 3/4" IPS CSA 160 1" IPS CSA 160 1 1/4" IPS CSA 100 1 1/2" IPS CSA 100 2"... -
Page 17: Closed Loop Installation
CLOSED LOOP INSTALLATION Prior to installation, locate and mark all existing earth coupled applications and a flanged fitting substituted. underground utilities, piping, etc. Install loops for new P/T plugs should be used so that flow can be measured construction before sidewalks, patios, driveways and using the pressure drop of the unit heat exchanger in lieu other construction has begun. - Page 18 Figure 14. Typical Horizontal Loop Configurations Figure 15. Typical Vertical Loop Configurations 2 ft 2 ft 2 ft Two-Pipe Four-Pipe Six-Pipe When Loops are Back-Hoe Loops shallower than one ton per loop One Pair Two Pair Series/Parallel One Pair Vertical Bores Two-Pipe Four-Pipe Extended Slinky...
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Page 19: Building Entry
Figure 16. Typical Pond Heat Exchanger Configurations Concrete Blocks Reverse weight Return Header 3 foot separation Heavy Duty Plastic Safety Nylon Cable matting Ties to Nylon Cable secure Ties to blocks secure Netting and bricks 8-10 Bricks for weight 4 ft between coils 300 ft... - Page 20 Pier and Beam (crawl space) Below Grade Entry New and Retrofit Construction: Bury the pipe beneath the New and Retrofit Construction: Bring the pipe through footing and between piers to the point that it is directly the wall as shown in Figure 20. For applications in which below the point of entry into the building.
- Page 21 Design, specifications, performance data and materials subject to change without notice. 1900 Wellworth Ave., Jackson, Michigan 49203 • Ph. 517-787-2100 • Fax 517-787-9341 www.heatcontroller.com THE QUALITY LEADER IN CONDITIONING AIR 7953-4028 09/06...