Aqua-Hot 675-D Installation Manual

© 2011 Aqua-Hot Heating Systems Inc. INSTALLATION MANUAL

© 2011 Aqua-Hot® 675-D Installation Manual 4. Insert a #10 machine screw into each of the embossed holes in the mounting tray (total of six required

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 2: AQUA-HOT INSTALLATION — Page 11 — Figure 7

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 8 — Page 12 —

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 9 — Page 13 —

© 2011 Aqua-Hot® 675-D Installation Manual NOTE: Avoid any dips and bends in the overflow tubing from the Aqua-Hot to the expansion tank as air can

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Heat Exchanger Locations and Clearances: • Place the heat exchange

© 2011 Aqua-Hot® 675-D Installation Manual Figure 15A Figure 15B Indicates sample mounting locations for the Cozy heat exchangers. Actual placement

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Mounting the Heat Exchangers: 1. Cut out a 2.5 inch H x 10 inch W op

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 21 — Page 18 — Figure 20

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 22 — Page 19 — Wiring the Heat Exchangers: 1. Run two 18-g

CAUTION: The Aqua-Hot tank and heating loop operate at 0.0 psi (zero pressure system). Air pressure applied to the tank MUST NOT exceed 20 psi. Exces

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM When wiring the heat exchangers in-parallel, the main 18-gauge wire i

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM — Page 21 — Plumbing Requirements: Once all heat exchangers have

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Plumbing the Hydronic Heating System: 1. Lay out the plumbing lines

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 28 Figure 29 — Page 23 — Barbed Fittings Components Compre

© 2011 Aqua-Hot® 675-D Installation Manual Figure 30 — Page 24 — Outlet Heating Loop Connection Examples SECTION 3: HYDRONIC HEATING SYSTEM Stra

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 4: THERMOSTATS Fresh Water Tank Thermostat Locations: Select a location that will ensure even-h

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 4: THERMOSTATS Room Thermostat Locations: Select a location that will insure even-heat througho

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 5: DOMESTIC WATER SYSTEM Domestic Water System Requirements: NOTE: Please note that it may be n

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 5: DOMESTIC WATER SYSTEM Figure 33 — Page 28 — Domestic Hot Water Outlet Domestic Cold Water

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 6: SWITCH PANEL Switch Panel Location: Select a location in the interior of the coach that allo

© 2011 Aqua-Hot® 675-D Installation Manual TABLE OF CONTENTS Aqua-Hot 675-D Installation Manual Introduction ...

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 6: SWITCH PANEL — Page 30 — Figure 36 Pin # 1 Pin # 2 Pin # 6 To Harness Yellow Wire # 38 To

© 2011 Aqua-Hot® 675-D Installation Manual A kinked fuel line (return side) will increase the fuel pressure to hazardous levels and may cause a fu

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 7: FUEL SYSTEM Figure 39 — Page 32 —

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 7: FUEL SYSTEM Reference Figure 38 Figure 40 Reference Figure 41 Figure 41 1/4 NPT (F) Diesel In

© 2011 Aqua-Hot® 675-D Installation Manual Engine Preheat and Motoraide System: The Aqua-Hot 675-D includes a motoraide feature, which uses the c

© 2011 Aqua-Hot® 675-D Installation Manual Figure 42 Figure 43 SECTION 8: ENGINE PREHEAT & MOTORAIDE SYSTEM — Page 35 — Engine Preheat Outle

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 9: EXHAUST SYSTEM The Aqua-Hot’s exhaust is hot and must be kept away from any heat-sensitive m

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 9: EXHAUST SYSTEM Figure 44 Figure 45 — Page 37 — NOTE: A maximum of 27.5 feet with three 90⁰

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 9: EXHAUST SYSTEM Figure 46 — Page 38 —

© 2011 Aqua-Hot® 675-D Installation Manual — Page 39 — 3” Black Pipe Nipple Installed Black Pipe Elbow 4” Black Pipe Nipple Installed

Section 8: Engine Preheat and Motoraide System Engine Preheat System Location ...

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 10: ELECTRONIC CONTROLLER WIRING Electronic Controller Wiring: NOTE: Please reference Appendix

© 2011 Aqua-Hot® 675-D Installation Manual DO NOT activate the diesel-burner until the antifreeze and water heating solution has been added to the

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 10: ELECTRONIC CONTROLLER WIRING — Page 42 — Main Battery Disconnect 4. Attach the DC power

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 11: PURGING THE SYSTEMS Only propylene glycol based “boiler” type antifreeze deemed “GRAS” (Gen

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 10: PURGING THE SYSTEMS 3. Fill the Aqua-Hot completely with the 50/50 mixture of antifreeze and

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 10: PURGING THE SYSTEMS — Page 45 — Figure 54 Zone 1 Circulation Pump Zone 2 Circulation Pump

— Page 46 — SECTION 12: INITIAL START-UP Activating the Aqua-Hot: 1. Reinstall the Aqua-Hot’s main access cover and the fastener, which secures t

APPENDIX A: WIRING DIAGRAM — Page 47 —

APPENDIX B: WIRE GAUGE INFORMATION — Page 48 —

© 2011 Aqua-Hot® 675-D Installation Manual APPENDIX C: ELECTRONIC CONTROLLER FEATURES Secondary 12 Volt-DC Battery Connection: The electronic cont

© 2011 Aqua-Hot® 675-D Installation Manual INTRODUCTION Danger, Warning, Caution, and Note Boxes: Danger, Warning, Caution, and Note boxes appear t

© 2011 Aqua-Hot® 675-D Installation Manual APPENDIX C: ELECTRONIC CONTROLLER FEATURES “Low Voltage Reset” Feature: Whenever the Aqua-Hot’s DC powe

© 2011 Aqua-Hot® 675-D Installation Manual — Page 51 — APPENDIX D: ANTIFREEZE TYPES The following information addresses the necessary usage of a

APPENDIX F: ANTIFREEZE TERMS AND MIXTURE RATIO — Page 52 — Propylene Glycol Based Antifreeze Solution: The following information addresses the pr

APPENDIX F: ANTIFREEZE TERMS AND MIXTURE RATIO — Page 53 —

© 2011 Aqua-Hot® 675-D Installation Manual Figure 1 Eyepiece Calibration Screw Daylight Plate Assembly Main Prism Assembly CALIBRATE THE REFRACTOM

© 2011 Aqua-Hot® 675-D Installation Manual Warning 1. Use extreme caution in gathering your antifreeze sample. When draining the Aqua-Hot heating s

LTE-907-690 Rev B 15549 East Highway 52 | Fort Lupton, CO 80621 Toll free: 800.685.4298 | phone: 303.659.8221 | fax:303.857.9000 www.aquahot.com

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Diesel Burner, Heat Input (Firing Rate) ...

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Each Aqua-Hot heating system possesses an I.D. label on the

© 2011 Aqua-Hot® 675-D Installation Manual Figure 3 Domestic Water Access panel Heating Zone 1 Outlet Port Zone 1 Circulation Pump Zone 2 Circulati

© 2011 Aqua-Hot® 675-D Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM — Page 9 — Figure 5 AC Wiring Zone 1, 2 and 3 Outlet Port