Aqua-Hot 375-LP Installation Manual

INSTALLATION MANUAL © 2011 Aqua-Hot Heating Systems Inc. WARNING: If the information in these instructions is not followed exactly, a fire or explosi

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 5 — Page 10 — 1 in 3 in Installing the Mounting Tray and the

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 6 Figure 7 — Page 11 — Mounting Tray Flange (Installed in cu

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 8 — Page 12 —

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Figure 9 — Page 13 —

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Installing the Cable-Clamp Fittings: 1. Determine the port side best

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 2: AQUA-HOT INSTALLATION Installing the Expansion Tank: Select a mounting location that allows

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 13 Figure 15 — Page 16 — Indicates sample mounting locatio

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM If the toe-kick areas in the motor home are inadequate to house a he

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM — Page 18 — Figure 21 Figure 20

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 19 — Page 19 —

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® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Wiring the Heat Exchangers: 1. Within each heating zone, run an 18

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM When wiring the heat exchangers in-parallel, the main 18-gauge wire

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Plumbing Requirements: Once all heat exchangers have been mounted,

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 27 — Page 23 — Plumbing the Hydronic Heating System: 1.

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 3: HYDRONIC HEATING SYSTEM Figure 28 — Page 24 — Figure 29 Barbed Fittings Components Compr

© 20101 Aqua-Hot® 375-LP Installation Manual Figure 30 — Page 25 — Outlet Heating Loop Connection Examples SECTION 3: HYDRONIC HEATING SYSTEM Str

© 2011 Aqua-Hot® 375-LP Installation Manual Fresh Water Tank Thermostat Locations: Select a location that will ensure even-heat distribution throug

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 4: THERMOSTATS Figure 32 — Page 27 — Zone 1 Thermostat Connection Terminal Zone 2 Thermostat

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 5: DOMESTIC WATER SYSTEM — Page 28 — Domestic Water System Requirements: NOTE:As stated dire

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 5: DOMESTIC WATER SYSTEM Figure 34 — Page 29 — 1/2 NPT (F) - Domestic Hot Water Outlet 1/2 I

© 20101 Aqua-Hot® 375-LP Installation Manual TABLE OF CONTENTS Aqua-Hot 375-LP Installation Manual Introduction ...

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 6: SWITCH PANEL Figure 35 — Page 30 — Switch Panel Location: Select a location that allows

© 20101 Aqua-Hot® 375-LP Installation Manual Figure 36 Electric Element Switch to Terminal Block connections Burner Switch to Terminal Block connecti

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 7: PROPANE CONNECTION Ensure that all tubing and fittings obey all local, state, and national c

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 7: PROPANE CONNECTION Figure 39 — Page 33 — NOTE: The 375 LP and Manual Shut-off Valve must

© 2011 Aqua-Hot® 375-LP Installation Manual This Page Intentionally Left Blank

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 8: EXHAUST SYSTEM — Page 35 — NOTE: Should the particular application require more than 14 f

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 8: EXHAUST SYSTEM Figure 42 Figure 43 — Page 36 —

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 8: EXHAUST SYSTEM Figure 44 — Page 37 —

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 8: EXHAUST SYSTEM 3” Black Pipe Nipple Installed Black Pipe Elbow 4” Black Pipe Nippl

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 9: POWER SOURCE WIRING — Page 39 — Be sure to protect against accidental shorting (i.e., cha

Section 8: Exhaust System Exhaust System Requirements ...

© 2011 Aqua-Hot® 375-LP Installation Manual Main Battery Disconnect SECTION 9: POWER SOURCE WIRING Figure 47 — Page 40 — 12V –DC Terminal Block

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 10: PURGING THE SYSTEMS Figure 49 Figure 50 — Page 41 — Drain Valve Purging the Hydronic Hea

© 2011 Aqua-Hot® 375-LP Installation Manual of the Aqua-Hot. 8. Close the drain valve. Purging the System by Grounding the Zone Thermostat Conn

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 10: PURGING THE SYSTEMS Figure 51 — Page 43 — Terminal Block for Switches, Heat Exchanger Fa

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 10: PURGING THE SYSTEMS — Page 44 — NOTE: The propane burner may not light on the first att

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 11: INITIAL START-UP — Page 45 —

Activating the Aqua-Hot: 1. Ensure that the Aqua-Hot’s main access cover is fully installed and securely fastened as a safety switch exists requirin

APPENDIX A: WIRING DIAGRAM — Page 47 —

APPENDIX B: WIRE GAUGE INFORMATION

© 20101 Aqua-Hot® 375-LP Installation Manual — Page 49 — APPENDIX C: ANTIFREEZE TYPES APPENDIX D: ANTIFREEZE MIXTURE WATER QUALITY RECOMMENDATIO

© 20101 Aqua-Hot® 375-LP Installation Manual INTRODUCTION Danger, Warning, Caution, and Note Boxes: Danger, Warning, Caution, and Note boxes appear

APPENDIX E: ANTIFREEZE TERMS AND MIXTURE RATIO — Page 50 — Propylene Glycol Based Antifreeze Solution: The following information addresses the pro

APPENDIX E: ANTIFREEZE TERMS AND MIXTURE RATIO — Page 51 —

© 2011 Aqua-Hot® 375-LP Installation Manual Figure 1 Eyepiece Calibration Screw Daylight Plate Assembly Main Prism Assembly CALIBRATE THE REFRACTO

© 20101 Aqua-Hot® 375-LP Installation Manual Warning 1. Use extreme caution in gathering your antifreeze sample. When draining the Aqua-Hot heating

© 2011 Aqua-Hot® 375-LP Installation Manual NOTES

© 20101 Aqua-Hot® 375-LP Installation Manual NOTES

LTE-375-016 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® 375-LP Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Propane Burner, Heat Input (Firing Rate) ...

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Each Aqua-Hot heating system possesses an I.D. label on the

© 2011 Aqua-Hot® 375-LP Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Figure 3 — Page 8 — I.D. Label Pump-1 and Pump-2 Propane

© 20101 Aqua-Hot® 375-LP Installation Manual SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM Figure 4 — Page 9 — Interlock Switch Propane Burner Con