ITR WindowWasher Installation And Operating Manual

The WindowWasher™ by ITR

Installation and

Operating Manual

Diesel Fired Continuous Output

Window Cleaning Water Heater

Copyright © February 2012
International Thermal Research

IN CANADA: IN THE UNITED STATES:
2431 Simpson Road 11915 NE 56
Richmond, BC, Canada V6X 2R2 Vancouver, WA, USA 98682
Tel: [phone] or 604-278-1272 Tel: [phone] or 360-993-4877
Fax: [phone] Fax: [phone]

Email: [e-mail] Email: [e-mail]

th

Circle, Suite B

Website: http://www.itrheat.com

All rights reserved. No part of this manual may be reproduced or
transmitted in any form by any means, electronic or mechanical,
including photocopying and recording, information storage,
retrieval, or transmission, without permission in writing from
International Thermal Research

Right to Modify:
Due to our commitment for quality and ongoing product

improvement, ITR reserves the right to modify or change
without notice, any materials, applications, equipment,
accessories, and/or prices. All measurements and weights are
approximate.

Table of Contents

Table of Contents

Section 1, Overview .................................................. 1-1

1.1 Unpacking The WindowWasher™ by ITR ........... 1-2

1.2 Protect Your Warranty ................................... 1-2

1.3 The WindowWasher™ by ITR Features ............. 1-3

1.4 Critical Factors ............................................. 1-4

1.5 Equipment, Tools and Skills ............................ 1-4

1.6 Testing and Inspection .................................. 1-5

Section 2, Mounting - The WindowWasher™ ............ 2-1

2.1 Before You Begin .......................................... 2-1

2.2 Your Mounting Location ................................. 2-2

2.3 Procedure .................................................... 2-4

Section 3, Installing the Exhaust System .................. 3-1

3.1 Before You Begin .......................................... 3-1

3.2 Mounting Location ........................................ 3-1

Recommended Exhaust Outlet Locations ............ 3-1

Recommendation for Installation ...................... 3-2

What NOT to Do ............................................. 3-4

3.3 Procedure .................................................... 3-4

Section 4, Installing the Fuel System ........................ 4-1

4.1 Before You Begin .......................................... 4-1

4.2 Fuel System Operation .................................. 4-1

Recommendation for Installation ...................... 4-1

4.3 What NOT to Do ........................................... 4-2

4.4 Procedure .................................................... 4-3

Section 5, Wiring the Electrical System ..................... 5-1

5.1 Before You Begin .......................................... 5-1

5.2 12 VDC ....................................................... 5-1

5.3 Remote Operating Panel Cable ........................ 5-2

5.4 Main Electronic Control Board ......................... 5-2

5.5 What NOT to Do ........................................... 5-3

iv WindowWasher by ITR Installation Manual

Table of Contents

Section 6, Plumbing the System ................................ 6-1

6.1 Before You Begin ......................................... 6-1

6.2 Plumbing Installation .................................... 6-2

6.3 What NOT to Do ........................................... 6-4

6.4 Installation Procedure ................................... 6-4

Section 7, Operating The WindowWasher™ by ITR .... 7-1

7.1 Operating Instructions for

The WindowWasher™ by ITR ......................... 7-1

7.2 Turning the Power to

The WindowWasher™ by ITR ON .................... 7-2

7.3 Activing the Burner (Primary) ........................ 7-2

7.4 Functions of the Remote Operating Panel ......... 7-2

7.5 Functions of The WindowWasher™ by ITR

Control Panel ............................................... 7-3

7.6 Maintenance ................................................ 7-5

7.7 Protect The WindowWasher™ by ITR™ ............ 7-8

7.8 General Troubleshooting ............................... 7-8

Section 8, Warranty and Service ................................ 8-1

8.1 Warranty .................................................... 8-1

8.2 Installations ............................................... 8-1

8.3 Limited Warranty ......................................... 8-2

8.4 Owner’s Responsibility .................................. 8-2

8.5 Not Covered Under Warranty ......................... 8-3

8.6 Customer Service Calls ................................ 8-4

8.7 Returns ...................................................... 8-4

8.8 Telephone Service ........................................ 8-5

International Thermal Research International Thermal Research Ltd. February 2012

Table of Contents

List of Figures

Figure 1-1 Window Washer ......................................... 1-1

Figure 2-1 Dimensions ............................................... 2-3

Figure 2-2 Location of Mounting Brackets

Insets: Bracket/Nut/Bolt Configurations ........ 2-4

Figure 3-1 Installing the Exhaust System (Up Exhaust) ... 3-4

Figure 5-1 System Wiring ........................................... 5-3

Figure 6-1 Plumbing Fittings ........................................ 6-1

Figure 7-1 The WindowWasher™ by ITR – Fittings .......... 7-1

Figure 7-2 Remote Operating Panel .............................. 7-3

Figure 7-3 The WindowWasher™ by ITR – Control Panel .. 7-4

vi WindowWasher by ITR Installation Manual

Table of Contents

International Thermal Research International Thermal Research Ltd. February 2012

Section

1

Overview

Thank you for purchasing The WindowWasher™ by ITR for portable hot
water window cleaning.

Some of the figures
in this manual
represent a typical
installation, but
other configurations
or methods may be
acceptable. If in
doubt, obtain
approval from ITR.

This section describes features of The WindowWasher™ by ITR and
covers critical information you need to know before beginning the
installation, including how to protect your warranty, and tools and
equipment needed.

Figure 1-1

International Thermal Research 1-1

Section 1, Overview

1.1 Unpacking The WindowWasher™ by ITR

When you receive The WindowWasher™ by ITR:

1 Unpack it carefully.
2 Check each component against the provided parts list to ensure that

you have everything and that all parts arrived undamaged.

3 If you discover any missing or defective parts, call ITR immediately.
4 If you are not installing The WindowWasher™ by ITR right away,

secure all components so none will be misplaced.

5 Before installing The WindowWasher™ by ITR, read the rest

of Section 1 – Overview. It contains critical information for a
proper installation.

A properly installed WindowWasher™ by ITR is essential for several
reasons:

• To ensure that you and/or your customers receive satisfactory
results.

• To ensure a trouble-free installation, a successful inspection and
testing process and ease of future maintenance.

NOTICE

• To protect your Warranty.

1.2 Protect Your Warranty

This document reflects approved installation techniques, methods, and
materials, and applies only to ITR equipment. The WindowWasher™ by
ITR is only guaranteed by ITR if the entire system has been installed
according to the requirements and recommendations set out here.

Any modification must be approved in writing by qualified ITR
personnel, prior to the installation.

This includes:

• Deviations from the instructions in this Manual.

• Changes to any piece of ITR-supplied equipment.

• Substitution of a non-ITR-approved component.

1-2 The WindowWasher™ by ITR

Section 1, Overview

No warranty will be extended to improper installations. Use of any
unapproved materials, equipment, or installation procedures will result
in a voided warranty for the entire heating system. ITR accepts no
liability for any

damage or loss of service resulting from unapproved

modifications.

• Efficient

• Clean

• Quiet

• Compact

• Safe

• Rugged

• Reliable

• Economical

1.3 The WindowWasher™ by ITR Features

The WindowWasher™ by ITR uses a patented diesel burner (12 VDC)
controlled by a multi-functional electronic controller as the primary
source of heating water. The WindowWasher™ by ITR heats water to
provide a continuous supply for all domestic hot water needs.

Other features of The WindowWasher™ by ITR include:

• A high-temperature, stainless steel burner and stainless steel

jacket.

• 5.3 US gallon ( 20.5 l) welded stainless steel insulated wate r tank

that minimizes heat loss and optimizes heat recovery.

• Low water level switch in the tank.

• Easy to install with hookups and connections easily accessible

from the top and front of The WindowWasher™ by ITR.

• Quiet operation and low power consumption.

• Low pressure fuel system with built-in fuel pump.

• Fuel efficient burner capable of burning a wide variety of diesel-

• Exhaust has minimal smoke or smell.

• Fan assisted sealed combustion chamber is designed to use

• Simple, low amperage draw ignition.

• Electronically-controlled system with:

International Thermal Research 1-3

based fuels.

outside air.

o Automatic Safety Shutdown.
o Manual reset aquasta ts for safety overheat protection.
o LED indicators on the Control Panel for diagnostics.

Section 1, Overview

o Patented, proprietary flame sensor.

• The WindowWasher™ by ITR Remote Operating Panel with
ON/OFF switch for the diesel burner and indicator LED’s for
operational and diagnostic information.

1.4 Critical Factors

Pay attention to the
notices of “Danger”
“Warning” “Caution”
and “Notice” in this
manual.

The key factors to keep in mind when planning and carrying out the
installation are:

• Mounting location restrictions for The WindowWasher™ by ITR,
exhaust outlet (to reduce noise, vibration, heat loss, etc.)

• Length, routing, and sizing of fluid lines, fuel lines, air flow tubing,
exhaust piping and wiring.

• Unrestricted intake required to draw in outside air for combustion.

• Ability to easily access and service the product, especially fuel,

plumbing, and electrical systems.

• After installation, requirement to purge water and fuel lines and
inspect/test entire system using the ITR-supplied Inspection
Check Sheet.

1.5 Equipment, Tools and Skills

As the user and/or installer, you must be qualified and authorized to do
the installation, which requires mechanical aptitude and electrical
knowledge. Make sure you comply with existing industry practices,
using the highest and most recent standards and codes. Good
workmanship is essential. Please refer back to Section 1.2, Protect Your
Warranty.

You will need the following equipment and tools (not supplied) to install
the heating system. This list does not include optional equipment and
accessories:

• Standard tools normally available in a well-equipped shop.

• Appropriate fasteners for mounting the heater unit.

1-4 The WindowWasher™ by ITR

Section 1, Overview

• Stainless steel 1-1/2” ID exhaust piping, maximum 12’ with no

bends (see Section 3 – Installing the Exhaust System, for details
when bends are present).

• ITR muffler.

• 1/4” supply and return fuel line, approved rubber or copper.

• Domestic water hose and/or tubing to connect The

WindowWasher™ by ITR hose fittings to the domestic water
system.

1.6 Testing and Inspection

After all components have been properly installed according to standard
practices, RVIA or ABYC standards, and the recommendations of this
Installation and Operating Manual, The WindowWasher™ by ITR should
be test-operated for inspection purposes.

For your convenience, you can use the pullout Inspection Check Sheet in
this Manual. The Inspection Check Sheet is divided into progressive
sections, allowing each phase of the inspection to be carried out
systematically, and then signed off by authorized persons.

International Thermal Research 1-5

Section 1, Overview

1-6 The WindowWasher™ by ITR

Section

2

Mounting - The WindowWasher™

2.1 Before You Begin

Plan the location of The WindowWasher™ by ITR and all its major
components in advance to ensure the chosen locations are feasible
and within the technical specifications.

Consider the following factors to help you decide exactly wher e best
to mount The WindowWasher™ by ITR:

• The WindowWasher™ by ITR weight when full.

! WARNING

• Ventilation requirements.

• Exhaust outlet location and maximum acceptable length.

• Thru hull location.

• Potential for vibration and jarring.

• Fuel storage location.

• Most efficient plumbing runs.

• Safe and convenient access for maintenance.

• Location of other equipment to be installed or connected to

The WindowWasher™ by ITR.

Make sure you are familiar with Section 1 – Overview of this M anual.

If the system is not installed according to specifications and with the
correct equipment, The WindowWasher™ by ITR may not operate
properly, safety may be compromised, and your Warranty may be
voided.

International Thermal Research 2-1

Section 2, Mounting The WindowWasher™ by ITR

2.2 Your Mounting Location

Your mounting location should consider the following:

• Mounting location must be able to support double the gross
weight of The WindowWasher™ by ITR (i.e. 150 lbs. x 2 =
300 lbs/68 KG x 2 = 136 KG).

• The WindowWasher™by ITR is 14”H x 14”W x 24”D
(35.6 cm x 35.6 cm x 60.9 cm). See Figure 2-1:
Dimensions.

! CAUTION

The WindowWasher™ by ITR must not be installed in any compart­ment with flammable gases.

• The WindowWasher™ by ITR must be completely isolated
from living spaces. Combustion air must be drawn from a
100% outside source and cannot contain any combustible
gases.

• The WindowWasher™ by ITR must be mounted in an area
that provides unrestricted access to the front panel
mounted fuel and water connections, and top mounted
power and exhaust connection (minimum of 10” top
clearance – top exhaust version; and 3” clearance to all
other WindowWasher™ surfaces.

• The WindowWasher™ by ITR must not be installed in any
compartment with flammable gases.

• The WindowWasher™ by ITR must be mounted horizontal
and level using eight (8) x 1/4” through bolts using 1”
diameter fender washers, lock washers and nuts.

• It is recommended that a catchpan be placed under The
WindowWasher™ by ITR for containing any unexpected

leakage.

NOTICE

2-2 The WindowWasher™ by ITR

If The WindowWasher™ by ITR is going to be mounted in the engine
compartment, check for adequate ventilation. When the engine is
running, this area could be under a negative pressure. Make sure the
air intake and exhaust hoses have no leaks and are well-fastened to
the heater, muffler and thru hull fitting. Assembly parts that may
cause injury through accidental contact should be protected.