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W2W Series [Water-to-Water]

W2W Models: 36, 52, 72

Geothermal Heat Pumps

Residential Water-to-Water

Installation & Maintenance Manual

Revision: o08

Table of Contents

Table of Contents _______________________________________________________ 1
Safety ________________________________________________________________ 2
General Information _____________________________________________________ 3
PHYSICAL, CONNECTION and ELECTRICAL DATA________________________ 4
Installation_____________________________________________________________ 5

PIPING INSTALLATION ______________________________________________ 5

Installation of Supply and Return Piping _________________________________ 5
Load Plumbing Installation____________________________________________ 5

Applications ___________________________________________________________ 7

COMMERCIAL WATER –LOOP HEAT PUMP APPLICATIONS _____________ 7
GROUND WATER HEAT PUMP SYSTEMS ______________________________ 8
GROUND –LOOP HEAT PUMP APPLICATIONS__________________________ 9
ELECTRICAL – LINE VOLTAGE ______________________________________ 12
ELECTRICAL – LOW VOLTAGE ______________________________________ 12
UNIT STARTING & OPERATING CONDITIONS _________________________ 14
PIPING SYSTEM CLEANING & FLUSHING ____________________________ 14
UNIT START-UP PROCEDURE _______________________________________ 15

Unit & System Checklist ________________________________________________ 16
Preventative Maintenance________________________________________________ 17
Product Warranty ______________________________________________________ 18

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Содержание W2W 36

Страница 1: ...Plumbing Installation____________________________________________ 5 Applications ___________________________________________________________ 7 COMMERCIAL WATER LOOP HEAT PUMP APPLICATIONS _____________ 7 GROUND WATER HEAT PUMP SYSTEMS ______________________________ 8 GROUND LOOP HEAT PUMP APPLICATIONS__________________________ 9 ELECTRICAL LINE VOLTAGE______________________________________ 12 ELEC...

Страница 2: ... in death or serious injury CAUTION Indicates a potentially hazardous situation or an unsafe practice which if not avoided could result in minor or moderate injury or product or property damage NOTICE Notification of installation operation or maintenance information which is important but which is nor hazard related WARNING All refrigerant discharged from this unit must be recovered To avoid relea...

Страница 3: ...on these components Pre Installation Installation Operation and Maintenance instructions are provided with each unit Be sure to completely read and understand these before beginning installation The installation site chosen should include adequate service clearance around the unit Before unit start up read all manuals and become familiar with the unit and is operation Check the system thoroughly b...

Страница 4: ... 4 Desuperheater copper male sweat in 1 Cabinet Dimensions A x B x C in 28 x 34 x 24 28 x 34 x 24 28 x 34 x 24 Electrical Voltage PH 230 60 1 230 60 1 230 60 1 Total Unit FLA 26 34 35 Compressor LRA 82 134 150 MAX fuse size 60 60 80 Min circuit Ampacity 32 9 42 5 47 5 Weight Operating lbs 146 180 230 Weight Packaged lbs 155 195 250 Notes 1 Optional item May not be present 2 Balanced Port Expansion...

Страница 5: ... each unit to permit unit removal for servicing 3 Place strainers at the inlet of each system circulating pump 4 Select the proper hose length to allow slack between connection points Hoses may vary in length by 2 to 4 under pressure 5 Refer to Table Do not exceed bend radius for the hose selected Exceeding the minimum bend radius may cause the hose to collapse which reduces water flow rate Instal...

Страница 6: ...logix geothermal pumping module Ensure load water flow in high temperature heating applications is at least 3gpm per ton to improve performance and reduce nuisance high pressure faults Pressure Testing Pressure testing of all piping connections is recommended before finishing of interior space or before access to connections is limited Equipment manufacturer is not responsible for damages from wat...

Страница 7: ...ion between the W2W Series and the piping system Hose kits can include shut off valves P T plugs for performance measurement high pressure stainless steel braid hose Y type strainer with blow down valve or J type swivel connection Balancing valves to facilitate the balancing of the system or an external low pressure drop solenoid valve for use in variable speed pumping systems may also be incorpor...

Страница 8: ...ding and zoning department to assure compliance in your area The pump should be sized to handle the home s domestic water load typically 5 9 gpm 23 41 L m plus the flow rate required for the heat pump Pump sizing and expansion tank must be chosen as complimentary items Variable speed pumping applications should be considered for inherent energy savings and smaller expansion tank requirements Water...

Страница 9: ... water currents present In any lake or pond municipal and area by laws must be observed in regards to a lake or pond loop The use of an environmentally friendly loop fluid like ethanol should be considered if the loop was ever damaged Consult an IGSHPA or CGC certified installer for proper lake or pond loop design Piping Installation All earth loop piping materials should meet CSA C448 P T plugs s...

Страница 10: ...p 1 Use water and a high volume head circulator pump to flush air and debris and to fill the loop system Refer to recommendations provided by IGSHPA when choosing a pump for the flushing process It is recommended that pump suction be from the bottom of a large volume container Use a suction line strainer to prevent debris discharged into the container from being recycled to the system Step 2 Pump ...

Страница 11: ... 15 Ethanol 29 25 20 14 Must be denatured with any petroleum based product Antifreeze may be added before during or after the flushing procedure However depending upon which time is chosen antifreeze could be wasted when emptying the flush cart tank See antifreeze section for more details Loop static pressure will fluctuate with the seasons Pressures will be higher in the winter months than during...

Страница 12: ...cluding electrical ground must comply with the National Electrical Code as well as all applicable local codes Refer to the unit wiring diagrams for fuse sizes and a schematic of the field connections that must be made by the installing or electrical contractor Consult the unit wiring diagram provided with the equipment or located on the inside of the compressor access panel to ensure proper electr...

Страница 13: ...W2W Series Heat Pump Ecologix Heating Technologies Inc Page 13 www ecologix ca 221 Holiday Inn Drive Cambridge ON ph 519 658 4330 Figure 1 wiring diagram ...

Страница 14: ...Entering Water 110ºF 43 3ºC 70ºF 21 1ºC Load Side Water Limits Minimum Entering Water 50ºF 10ºC 60ºF 15 6ºC Normal Entering Water 60ºF 15 6ºC 100ºF 37 8ºC Maximum Entering Water 90ºF 32 2ºC 120ºF 48 9ºC PIPING SYSTEM CLEANING FLUSHING Cleaning and flushing of the piping system is the single most important step to ensure proper start up and continued efficient operation of the system Follow the ins...

Страница 15: ...ck for loose terminal screws where wire connections have been made on both the line and low voltage terminal boards C Check the supply and return piping They must be properly connected to the inlet and outlet connections on the unit D If the checks described above fail to reveal the problem and the unit still will not operate contact a trained service technician to ensure proper diagnosis and repa...

Страница 16: ...ist 1 Check load and source water temperature for proper range and also verify heating and cooling set points for proper operation 2 System water pH is 7 5 8 5 Proper pH promotes longevity of hoses and fittings 3 Verify all hoses are connected end to end when flushing to ensure debris bypasses unit heat exchanger and water valves etc Water used in the system must be potable quality initially and c...

Страница 17: ...n isolation pad for sound control The cabinet can be cleaned using a mild detergent Refrigerant System To maintain sealed circuit integrity do not install service gauges unless unit operation appears abnormal Reference the operating chart for pressure and temperatures Verify that air and water flow rates are at proper levels before servicing the refrigerant circuit Water Coil Maintenance for attac...

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