Lance 650 User Manual

Technical Service Information #53
3/11/2022
. Affected units 2022 Lance campers and trailers with the Truma Aquago water heater option
. Campers: 650, 825, 865, 1062, 1172
. Trailers: 1685, 1985, 1995, 2185, 2445
PROBLEM: It has been found during production that the Data cable has been routed from the back side
of the water heater creating an incorrect installation and generating a possible safety risk.
CORRECTION: Unplug the Data cable from the water heater control board, pull it back out of the back
side of the water heater and route the data cable through the gas line opening. Replace the grommet
for the gas line and cover the cold water inlet opening with a rubber plug shown below.
CAUTION: Propane is highly Flammable!!
1) Turn the propane off at both tank valves. Burn off excess propane by lighting a
burner on the stove. Close burner valve after all propane has been burnt off.
2) Remove the access door of the tankless water heater.

Lance 650 Specifications

General

Brand	Lance
Model	650
Category	Motorhomes
Language	English

Summary

Truma Aquago Water Heater Data Cable Correction Procedure

Affected Units Identification

Lists 2022 Lance campers and trailers equipped with the Truma Aquago water heater option.

Problem Statement

Data cable routed incorrectly from the back of the water heater, creating an unsafe installation.

Propane Safety Warning

Important caution stating that propane is highly flammable and requires careful handling.

Disconnect Gas Hose

Step 3: Use appropriate wrenches to safely disconnect the gas hose from the water heater inlet.

Remove Rear Access Panel

Step 4: Remove the panel located at the back of the tankless water heater from inside the trailer.

Disconnect Control Panel Cable

Step 5: Detach the data cable from the water heater's control panel.

Remove Cable from Cold Water Inlet

Step 6: Carefully pull the data cable out of its installed position at the cold water heater inlet.

Install Gas Inlet Grommet

Step 7: Insert a grommet into the gas inlet to ensure a proper seal where the hose was removed.

Install Cold Water Inlet Cap

Step 8: Fit a rubber cap to cover the cold water inlet on the rear of the water heater.

Route Cable and Hose Through Grommet

Step 9: Route the data cable and gas hose together through the grommet on the side of the water heater.

Reconnect Cables and LP Hose

Step 10: Reconnect the data cable to the control panel and reattach the LP hose securely.

Propane Leak Check Procedure

Step 11: Turn propane back on and apply leak solution to connections to check for any leaks.

Secure Cables with Tie Strap

Step 12: Fasten the gas hose and data cable together using a plastic tie strap.

Final Assembly and Warranty Claim

Step 13: Close compartment door, install back panel, and submit warranty claim with specified code.

Water Heater Connection Diagrams

AquaGo Basic/Comfort Connection Diagram

Illustrates the plumbing and gas connections for the AquaGo basic and comfort models.

AquaGo Comfort Plus Connection Diagram

Shows the plumbing and gas connections specific to the AquaGo comfort plus models.

Electrical Connection Overview

Details electrical connection requirements, including power supply and cable length limits.