OASIS™ Heating Module - Renegade Documentation Library

OASIS™ Heating Module - Renegade Documentation Library
OASIS™ Heating Module
Installation and
Operating Manual
Diesel and AC Heating System
for Recreational Vehicles and Yachts
CSA TIL R-17
ANSI/UL307A
CAN/CSA-C22.2 No.165
Copyright © January 2011
International Thermal Research
IN CANADA:
IN THE UNITED STATES:
2431 Simpson Road
11915 NE 56th Circle, Suite B
Richmond, BC, Canada
V6X 2R2
Vancouver, WA, USA
98682
Tel:
1-800-755-1272 or 604-278-1272
Tel:
1-800-993-4402 or 360-993-4877
Fax:
604-278-1274
Fax:
360-993-1105
Email: [email protected]
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
Section 1, Overview ................................................... 1-1
1.1
1.2
1.3
1.4
1.5
1.6
Unpacking the Heating Module ....................... 1-2
Protect Your Warranty .................................. 1-2
Oasis™ Heating Module Features .................... 1-3
Critical Factors............................................. 1-5
Equipment, Tools and Skills ........................... 1-6
Testing and Inspection .................................. 1-7
Section 2, Mounting the Oasis™ Heating Module ....... 2-1
2.1
2.2
2.3
2.4
2.5
Before You Begin ......................................... 2-1
Identifying Your Oasis™ Heating Module Model. 2-2
Your Mounting Location................................. 2-2
What NOT to Do........................................... 2-4
Procedure ................................................... 2-4
Section 3, Installing the Exhaust System................... 3-1
3.1
3.2
Before You Begin ......................................... 3-1
Mounting Location ........................................ 3-1
3.3
Procedure ................................................... 3-4
Recommended Exhaust Outlet Locations ............ 3-1
Recommendation for Installation ...................... 3-2
What NOT to Do ............................................. 3-4
Section 4, Installing the Fuel System ........................ 4-1
4.1
4.2
Before You Begin ......................................... 4-1
Fuel System Operation.................................. 4-1
4.3
4.4
What NOT to Do........................................... 4-2
Procedure ................................................... 4-3
Recommendations for Installation ..................... 4-1
Section 5, Installing Fan Heaters ............................... 5-1
5.1
International Thermal Research
Before You Begin ......................................... 5-1
iii
Table of Contents
5.2
Fan System Operation ................................... 5-2
5.3
5.4
5.5
What NOT to Do ........................................... 5-4
Mounting Locations ....................................... 5-4
Procedure .................................................... 5-5
Features ....................................................... 5-2
Multiple Zone Heating ..................................... 5-3
Accessories and Components Needed ................ 5-3
Section 6, Wiring the Electrical System ..................... 6-1
6.1
6.2
6.3
6.4
6.5
6.6
6.7
Before You Begin .......................................... 6-1
12 VDC ....................................................... 6-1
120 VAC...................................................... 6-2
Remote Operating Panel Cable........................ 6-2
Main Electronic Control Board ......................... 6-3
Distribution Module Zone Control Board
(Optional).................................................... 6-3
What NOT to Do ........................................... 6-4
Section 7, Plumbing the System ................................ 7-1
7.1
7.2
7.3
7.4
Before You Begin .......................................... 7-1
Plumbing Installation..................................... 7-1
What NOT to Do ........................................... 7-4
Installation Procedure ................................... 7-4
Section 8, Operating the Oasis™ Heating Module ...... 8-1
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
iv
Features of your Oasis™ Heating Module.......... 8-1
Your Heating Module Model ............................ 8-2
Operating Instructions for the
Oasis™ Heating Module ................................. 8-3
Turning the Power to the
Oasis™ Heating Module ON ............................ 8-4
Activating the Burner (Primary)
and AC Heat (Secondary) from the
Remote Operating Panel ................................ 8-5
Activating the Cabin Fan Heaters
through the Thermostats ............................... 8-6
Activating the Domestic Hot Water .................. 8-6
Activating the Engine Heat ............................. 8-6
Functions of the Remote Operating Panel ......... 8-7
Functions of the Heating Module Control Panel .. 8-9
Installation and Operating Manual for OASIS Heating Module™
Table of Contents
8.11
8.12
8.13
8.14
Functions of the Distribution Module (Optional)
Zone Control Panel ......................................8-10
Maintenance ...............................................8-11
Protecting the Heating Module and
Distribution Module (Optional) ......................8-13
General Troubleshooting ..............................8-13
Section 9, Installing Distribution Module, DM-12
(optional) .................................................................. 9-1
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
Installing your Distribution Module (optional) ... 9-1
Selecting the Module Location ........................ 9-1
Selecting the Distribution Module
Zone Box Location........................................ 9-2
Plumbing Installation .................................... 9-3
Filling/Purging the heating loop ...................... 9-7
Electrical Connection .................................... 9-8
Distribution Module Zone Control Board........... 9-9
Inspection and Testing .................................9-12
Hot water temperature adjustment ................9-12
Warranty Information & Warranty Card
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v
Table of Contents
List of Figures
Figure 1-1
Figure 1-2
Oasis™ Module ........................................ 1-1
Oasis™ Heating and Distribution Module ...... 1-5
Figure 2-1
Figure 2-2
Module Dimensions .................................. 2-3
Module Mounting Brackets ......................... 2-5
Figure 3-1
Figure 3-7
Installing the Exhaust System
(Bottom Exhaust)..................................... 3-6
The Exhaust Hole Location & Mounting
Template ................................................ 3-6
The Exhaust Goose neck Configuration ........ 3-7
Figure 5-1
Figure 5-2
Wiring the Fan’s Aquastat.......................... 5-2
Mounting a Spacesaver Fan ....................... 5-6
Figure 5-3
Installing a Relay for Add’l Fan Amperage .... 5-6
Figure 6-1
System Wiring ......................................... 6-3
Figure 7-1
Figure 7-2
Heating Module........................................ 7-3
Three Approved Methods of Installing
Heater Hose (consult ITR for alternative
methods and products) ............................. 7-5
Figure
Figure
Figure
Figure
8-1
8-2
8-3
8-4
Oasis™ Heating Module............................. 8-3
Heating Module Main Control Panel ............. 8-4
Remote Operating Panel............................ 8-7
Zone Control Panel ................................. 8-11
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
Distribution Module .................................. 9-2
Distribution Module Zone box..................... 9-2
Distribution Module Fittings Location ........... 9-3
Domestic Hot Water System Plumbing......... 9-4
Engine Heat / Pre-heat System Plumbing..... 9-5
Connecting to the OASIS Heating Module .... 9-5
Connecting two Heating loops .................... 9-6
Initial fill up Oasis system.......................... 9-7
Distribution Module Wiring....................... 9-10
Zone Board Wiring (No Distribution module) . 9-11
Mixing valve location .............................. 9-12
Figure 3-2
vi
Installation and Operating Manual for OASIS Heating Module™
Section
1
Overview
Thank you for purchasing the
recreational vehicles and yachts.
NOTICE
Oasis™
Heating
Module
for
The Oasis™ Heating Module is LC certified only for
installation into Recreational Vehicles, Manufactured Homes,
and Mobile housing.
This section 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: Oasis™ Heating Module
International Thermal Research
1-1
Section 1, Overview
1.1
Unpacking the Oasis™ Heating Module
When you receive the Oasis™ Heating Module:
1
Unpack it carefully.
2
Check each component against the shipping list to ensure that
you have everything and that all parts arrived undamaged.
3
If you discover
immediately.
4
If you are not installing the Oasis™ Heating Module right away
secure all components so none will be misplaced.
5
Before installing the Oasis™ Heating Module read the rest
of this Installation and Operating Manual. It contains
critical information for a proper installation.
any
missing
or
defective
parts
call
A properly installed Oasis™ Heating Module is essential for several
reasons:
•
To ensure that you and/or your customers receive satisfactory
results and enjoy a warm, comfortable environment.
•
To ensure a trouble-free installation, a successful inspection and
testing process, and ease of future maintenance.
•
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 Oasis™
Heating Module is only guaranteed by ITR if the entire system has
been installed according to the requirements and recommendations
set out here.
This includes:
•
•
•
Deviations from the instructions in this Manual.
Changes to any piece of ITR-supplied equipment.
Substitution of a non-ITR approved component.
No Warranty will be extended to improper installations. Use of any
unapproved materials, equipment or installation procedures will
1-2
The Oasis™ Heating Module
ITR
Section 1, Overview
result in a voided warranty for the entire heating system. Any loss
of service or damage as a result of any unapproved modification is
the responsibility of the installer. 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
Oasis™ Heating Module Features
The Oasis™ Heating Module uses a diesel burner (12 VDC)
controlled by a multi-functional electronic controller as the primary
source of heating coolant fluid (anti-freeze and water). Two 1500
Watt, 120 VAC immersion elements are used as secondary heat
sources. The Oasis™ Heating Module heats the coolant fluid to
provide a source of heat for all hydronic space heating needs.
When used with the Distribution Module (optional) and its integral
distribution pumps, the Oasis™ Heating Module has the ability to
circulate the coolant fluid to all space heating areas. It can also
provide a supply of domestic hot water using the integral heat
exchanger in the Distribution Module. The Oasis™ also incorporates
engine heat and preheat functions. (see Figure 1-2:
Oasis™
Heating and Distribution Modules).
Other features of the Oasis™ Heating Module include:
•
A high-temperature, stainless steel burner and stainless steel
jacket.
•
8.2 US gallon welded, insulated stainless steel coolant tank that
minimizes heat loss and optimizes heat recovery.
•
Low coolant level switch on the tank.
•
Easy to install, completely modular and field serviceable with the
Oasis™ Heating Module hookups and connections easily
accessible from the front and top of the Heating Module.
•
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 dieselbased fuels.
•
Exhaust has minimal smoke and smell.
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1-3
Section 1, Overview
•
Fan assisted sealed combustion chamber is designed to use
outside combustion air.
•
Simple, low amperage draw ignition.
•
Electronically-controlled system with:
•
•
•
•
1-4
automatic Safety Shutdown;
manual-resettable aquastats for safety overheat protection.
LED indicators on the Control Panel for diagnostics.
Patented, proprietary flame sensor.
•
Heating Module Remote Operating Panel with ON/OFF switch for
the diesel burner, AC elements, and engine heat, if installed.
•
Heating Module Control Panel with buttons for Power, Bypass,
Reset, and indicator LED’s for operational and diagnostic
information.
•
Distribution Module if installed with built in distribution pumps
and heat exchanger for heating multiple zones and also
producing domestic hot water. Heat exchanger also allows
engine pre-heating as well as using engine waste heat. The Zone
Board Controls up to five space heating zones.
The Oasis™ Heating Module
Section 1, Overview
Figure 1-2: Oasis™ Heating and Distribution Module
1.4
Critical Factors
THE INSTALLATION SHALL BE IN ACCORDANCE WITH THE
REGULATIONS OF AUTHORITIES HAVING JURISDICTION
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 Oasis™ Heating Module,
optional Distribution Module , and 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 vent required to draw in 100% outside air for
combustion.
International Thermal Research
1-5
Section 1, Overview
•
Ability for technician to easily access and service the product,
especially fuel, plumbing, and electrical systems.
•
After installation, ability 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 RVIA or ABYC
industry practices, using the highest and most recent standards and
codes.
Good workmanship is essential.
Please refer back to
Section 1 – Overview, sub-Section 1.2, Protect Your Warranty.
You will need the following equipment and tools to install the
heating system (not supplied). This list does not include optional
equipment and accessories:
1-6
•
Standard tools normally available in a well-equipped shop.
•
Approved fasteners for mounting the heater unit.
•
Steel (or stainless steel) 2” ID exhaust system piping, maximum
12’ with no bends. (See Section 3 – Installing the Exhaust
System, for details when bend are present.).
•
Exhaust collar.
•
ITR-muffler with straight-through design.
•
1/4” supply fuel line, approved rubber or copper.
•
#10 sheet metal screws or wood screws to mount fan units
inside the occupied areas.
•
Heater hose (to connect optional Distribution Module hose
fittings to interior fans).
•
Domestic water hose and/or tubing to connect the Distribution
Module hose fittings to the domestic water system.
•
Overflow tank to connect to the Oasis™ Heating Module with
clear plastic 3/8” hose; tank must be heavy-duty plastic, with a
The Oasis™ Heating Module
Section 1, Overview
screw-down cap, and sturdy enough to mount firmly to a vertical
surface.
•
Up to five (5) thermostats (DC compatible) to allow temperature
regulation of the heating zones when connected to the
Distribution Module.
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
Oasis™ Heating Module 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
1-7
Section 1, Overview
1-8
The Oasis™ Heating Module
Section
2
Mounting – Oasis™ Heating
Module
2.1
Before You Begin
Plan the location of the Oasis™ Heating Module and all its major
components in advance to ensure the chosen locations are
compatible with installation requirements and within the technical
specifications.
Consider the following factors to help you decide exactly where
best to mount the Oasis™ Heating Module:
International Thermal Research
•
Oasis™ Heating Module weight when full (160 lbs).
•
Ventilation requirements.
•
Exhaust outlet location and maximum acceptable length.
•
Thru hull location and waterline (yachts).
•
Potential for vibration and jarring.
•
Length of run from fuel source to heater.
•
Most efficient plumbing runs.
•
Safe and convenient access for maintenance.
•
Number and location of interior fans.
•
Location of other equipment to be installed or connected to
the Oasis™ Heating Module, including the optional
Distribution Module, Zone Control Box, heat exchangers,
overflow tank, batteries, etc.
2-1
Section 2, Mounting the Oasis™ Heating Module
! WARNING
Make sure you are familiar with Section 1 – Overview of this
Manual. If the system is not installed according to specifications
and with the correct equipment, your Oasis™ Heating Module may
not operate properly, safety may be compromised, and your
Warranty may be voided.
2.2
Identifying Your
Module Model
Oasis™
Heating
As the owner, you must be fully aware of the controls and
operating features particular to your model of the Oasis™ Heating
Module. This is essential for the proper functioning and life of your
Oasis™ Heating Module as well as protecting your warranty. Your
model can be identified by locating the serial number label on the
outside case of the Oasis™ Heating Module. The serial number
identifies the model type through the first series of letters and
numbers.
The types of Oasis™ Heating Module models are:
CH50S – Oasis™ Heating Module (Stainless Steel Case)
CH50B – Oasis™ Heating Module (Galvanized Case)
2.3
Your Mounting Location
Your mounting location should consider the following:
2-2
•
Mounting location must be able to support double the gross
weight of the Oasis™ Heating Module (i.e. 160 lbs. x 2 =
320lbs./73 KG x 2 = 146 KG) and must be of a noncombustible and non absorptive surface.
•
Oasis™ Heating Module is 14”H x 14”W x 30” D. (35.6 cm x
35.6 cm x 76.1 cm), see Figure 2-1: Module Dimensions.
•
Oasis™ Heating Module must be installed in a compartment
which is completely isolated from the atmosphere of living
spaces.
•
Combustion air must be drawn from an outside source and
cannot contain any combustible gases.
The Oasis™ Heating Module
Section 2, Mounting the Oasis™ Heating Module
•
Oasis™ Heating Module must be mounted in an area that
provides unrestricted access to the front panel. Allow space for
connection to the fuel and coolant lines, as well as the power
and exhaust connections. (Minimum of 10” top clearance - top
exhaust version; minimum of 6” top clearance - bottom
exhaust version; 0” clearance to all other Oasis™ Heating
Module surfaces). Allow 1” clearance on the sides for attaching
the mounting brackets.
•
Mount the unit with the front panel side facing out and
accessible. Facing out simplifies installation and maintenance.
•
Oasis™ Heating Module must be mounted horizontal and level
using eight, 1/4” through bolts and 1” diameter fender
washers, lock washers and nuts.
Figure 2-1: Module Dimensions
! DANGER
! WARNING
Oasis™ Heating Module must not be installed or operated in any
compartment with flammable gases.
If the Oasis™ Heating Module 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.
International Thermal Research
2-3
Section 2, Mounting the Oasis™ Heating Module
Isolate the unit in a closed compartment so that no air from the
heater will infiltrate the living areas.
! DANGER
•
It is recommended that a catchpan be placed under the Oasis™
Heating Module for containing any unexpected leakage.
•
Choose a sturdy surface in a location that won’t be unduly
affected by vibration and the jarring of rough roads or rough
seas.
•
Ensure that the exhaust tubing can be properly and safely
routed to the outside. The maximum exhaust run for the
system is 12’.
2.4
•
What NOT to Do
Don’t mount the Oasis™ Heating Module in the rear of the
coach or yacht underneath the sleeping area. The sound of the
Oasis™ Heating Module cycling on and off may disturb light
sleepers.
2.5
Procedure
After choosing the mounting location for the Oasis™ Heating
Module, mount the module horizontally and level. Secure the
Oasis™ Heating Module in place (against the wall, floor or a
mounting platform) using eight (8) x 1/4” through bolts and 1”
diameter fender washers, lock washers, and nuts. (See Figure 2-2:
Module Mounting Brackets.).
2-4
The Oasis™ Heating Module
Section 2, Mounting the Oasis™ Heating Module
Figure 2-2: Module Mounting Brackets
International Thermal Research
2-5
Section 2, Mounting the Oasis™ Heating Module
2-6
The Oasis™ Heating Module
Section
3
Installing the Exhaust System
3.1
Before You Begin
For efficient and safe operation of the Oasis™ Heating Module follow
all recommendations for properly installing the exhaust.
Any
deviations from these must be approved in advance by ITR.
! DANGER
Although the heater’s exhaust produces very low carbon monoxide
emissions, caution is still advised:
•
Do not operate the Oasis™ Heating Module in an enclosed
area unless there is adequate ventilation.
•
Isolate the Oasis™ Heating Module in a closed compartment
so that no air from the unit will infiltrate the living areas.
Never place any exhaust parts close to combustible material or
through a combustible wall or ceiling without fireproof protection.
The exhaust can reach high temperatures.
3.2
Mounting Location
If you can’t meet the technical specifications for mounting
the exhaust, don’t use the Oasis™ Heating Module. The unit
may perform poorly or become damaged if not installed
according to specifications.
Recommended Exhaust Outlet Locations
The following is recommended for a coach exhaust outlet location:
•
International Thermal Research
Mount the exhaust outlet outside the coach, not inside the
heater compartment. Otherwise, exhaust fumes could
infiltrate the coach from the Oasis™ Heating Module.
3-1
Section 3, Installing the Exhaust System
•
In a coach, the typical mounting location for the exhaust
outlet is under the floor of the Oasis™ Heating Module
compartment, or on the other side of the coach, directly
across from the module. Keep in mind you cannot exceed 12’
of exhaust piping, without any bends, or 8’ with two 90°, 2”
minimum radius bends.
•
Position the outlet of the exhaust pipe so that the exhaust
exits off the side of the coach, not directly underneath the
coach or under an opening window, vent or slide-out.
In a yacht installation, the following is recommended for the exhaust
outlet location:
•
Mount the exhaust thru hull so that the exhaust fumes cannot
enter or re-infiltrate any living areas.
•
Make sure that the thru hull is at least 30” above the water
line with a goose neck rise on the exhaust to help eliminate
water from getting to the Oasis™ Heating Module through the
exhaust. If the dual exhaust air-intake thru hull is used,
ensure that the air-intake is placed between 10 o’clock and
2 o’clock and also goose-necked to avoid water ingestion, see
Figure 3-3: The Exhaust Goose Neck Configuration.
•
There needs to be a 1/8" air gap around the exhaust thru hull.
The standard thru hull is 4" in diameter. The hole for the
fitting should be 4-1/4". Make sure that the holes for the
mounting screws have enough material left to properly bite.
The fitting must be centered in the hole.
Recommendation for Installation
The following applies to both a coach and yacht:
3-2
•
You may use sweep bends but each 90° bend is equivalent to
two foot of exhaust piping. For example, if you use two 90°
bends you must deduct two foot per bend from the maximum
allowed 12’ straight exhaust pipe length. Therefore you will
be restricted to 8’ of straight exhaust piping plus the two
bends. Do not exceed these recommendations.
•
The combustion air must be drawn from outside the coach or
yacht. The maximum length of the air-intake tubing is 7 feet.
Do not exceed this recommendation.
The Oasis™ Heating Module
Section 3, Installing the Exhaust System
! DANGER
•
Use an ITR-manufactured muffler with a straight-through
design. No other muffler is acceptable.
•
Exhaust outlet is on the top or bottom (model dependant) of
the Oasis™ Heating Module, towards the back.
The exhaust and outlet are HOT and the surrounding areas
must be thermally shielded and protected from the hot
surfaces and heat build-up by insulation. Nothing can come
into inadvertent contact with any part of the exhaust system.
•
Exhaust must have a minimum of 3” (7.6 cm) clearance from
all surfaces.
•
Ensure that the exhaust cannot be plugged or restricted.
•
The exhaust fitting on the Oasis™ Heating Module is
2.0” O.D. and the exhaust pipe used must have a minimum of
2.0” I.D. throughout its length.
•
All exhaust elbows must be of a large radius design.
•
The exhaust must be supported a minimum of every 3’ of its
installed length.
•
The exhaust and Oasis™ Heating Module connection point
must use appropriate clamps and sealing compound to ensure
that the connections are tight and leak free. The Oasis™
Heating Module exhaust outlet pipe and the exhaust pipe
itself must not be distorted or damaged during this process.
•
When the Oasis™ Heating Module is running the connection
points and the system must be checked for leaks and any
found must be corrected. Periodically, check the exhaust
fittings, connections, exhaust tube, and insulation for leaks
and integrity and correct if required.
•
Appropriate exhaust insulation must be used to cover the
entire length of any interior exhaust run.
•
Solid stainless steel exhaust tubing or approved exhaust
tubing is recommended but an approved stainless steel
flexible exhaust tubing can also be used. If flexible exhaust
tubing is used, the exhaust tubing must be inspected
regularly for leaks and deterioration as this type of exhaust
does not have the life expectancy of solid tubing. Stepped
International Thermal Research
3-3
Section 3, Installing the Exhaust System
band clamps are recommended for joining flex and solid
tubing as they apply firm, even pressure.
•
In a coach, install an exhaust collar on the exhaust pipe to
isolate the pipe from the coach frame. This reduces vibration
and noise and protects the coach from the effects of high
exhaust temperature, see Figure 3-1: Installing the Exhaust
system (Bottom Exhaust).
What NOT to Do
Don’t mount the exhaust pipe inside the heater compartment.
Don’t use more than 8’ of exhaust pipe if 180° of total bends are
present.
Don’t use any mufflers not supplied or approved by ITR.
Don’t over-tighten exhaust clamps or you may crush the Oasis™
Heating Module’s exhaust outlet pipe.
3.3
Procedure
Figure 3-1: Installing the Exhaust System (Bottom Exhaust) shows
a standard setup for the down exhaust. To install the exhaust
system:
3-4
1
Leave suitable air spacing to protect combustible
materials; use an exhaust collar and metal shields where
required.
2
Find an appropriate location for the exhaust hole of the
heater. (See Figure 3-2)
3
Securely seal the exhaust piping to the Oasis™ Heating
Module fitting using an approved exhaust clamp.
4
Connect the exhaust piping in series with the muffler,
using heavy-duty exhaust clamps. If you use vibration
isolation mounts they must be high temperature.
The Oasis™ Heating Module
Section 3, Installing the Exhaust System
5
Connect the flexible air-intake tubing (2” I.D.) to the airintake fitting on top of the heater. Use a #32 gear clamp
to attach the tubing to this fitting.
The other end of the air-intake hose can be installed in 2
configurations:
Installation of the
underside of the RV
air-intake
adapter
to
the
Locate a suitable location to mount the air-intake adapter.
Drill a 2” hole through the floor. Insert the adapter from
underneath and use 3 screws to secure against floor. The
air entrance of the air-intake assembly shall be guarded or
shielded to exclude rain, snow and debris. Use a #32 gear
clamp to attach the tubing to this adapter. Ensure the run
of tubing is as short as possible to facilitate air flow. See
figure 3-1.
Installation of the air-intake adapter to the side of
the RV
Locate a suitable location to mount the air-intake adapter.
Drill a 2” hole through the side wall (minimum ¼”,
maximum 2” wall thickness). Insert the adapter and use 3
screws to mount against side wall. Use a #32 gear clamp
to attach the tubing to this adapter. Ensure the run of
tubing is as short as possible to facilitate air flow. See
figure 3-1.
6
Secure both ends of the air-intake tubing with properly
sized hose clamps to prevent air leaks.
7
Make sure the air-intake and exhaust hoses have no leaks
and are not touching each other.
8
Protect the air-intake entrance from water and dirt with a
guard or shield.
9
On a yacht, make sure the thru hull is at least 30” above
the waterline and the exhaust must be goose-necked, see
Figure 3-3: The Exhaust Goose Neck Configuration.
International Thermal Research
3-5
Section 3, Installing the Exhaust System
Figure 3-1: Installing the Exhaust System (Bottom Exhaust)
Figure 3-2: The Exhaust Hole Location & Mounting Template
3-6
The Oasis™ Heating Module
Section 3, Installing the Exhaust System
Figure 3-3: The Exhaust Goose Neck configuration
International Thermal Research
3-7
Section 3, Installing the Exhaust System
3-8
The Oasis™ Heating Module
Section
4
Installing the Fuel System
4.1
Before You Begin
For efficient and safe operation of the Oasis™ Heating Module,
follow all recommendations for properly installing the fuel system.
Any deviations from these must be approved in advance by ITR.
! DANGER
Use only diesel fuel, furnace oil, or stove oil in the Oasis™ Heating
Module. DO NOT USE GASOLINE, CRANKCASE OIL, OR ANY OIL
CONTAINING GASOLINE.
Keep fuel lines away from any heat source above 100°F (38°C).
Keep gasoline and any equipment that uses gasoline away from the
Oasis™ Heating Module location. The Oasis™ Heating Module is not
rated for use in an explosive environment.
! WARNING
Never share the fuel supply to the Oasis™ Heating Module with any
other fuel-burning device.
4.2
Fuel System Installation
The fuel pump in the Oasis™ Heating Module has a maximum flow
capacity of 25 GAL/Hr and a maximum pressure of 11.5 psi. A 10
micron fuel filter is recommended. Select a fuel filter based on these
requirements.
Recommendations for Installation
The Oasis™ Heating Module’s fuel connection is accessed from the
top of the heater. The fuel inlet, labelled, is located on the top right
of the Oasis™ Heating Module and consists of a 1/8” NPT threaded
female fitting. The fuel return, labelled, is located next to the fuel
inlet and consists of a 1/8” NPT threaded female fitting. Minimum
International Thermal Research
4-1
Section 4, Installing the Fuel System
recommended size for the fuel line is ¼” I.D. The fuel return line
should return to the fuel supply tank.
The following is recommended for the fuel system installation:
NOTICE
The fuel supply from the fuel storage tank to the fuel inlet must be
from a dedicated fuel pickup on the top of the tank.
•
! CAUTION
The fuel line must be run and secured so as to prevent damage,
chafing and kinking during normal operation.
•
All fuel line connection points and hoses must use suitable
clamps and/or sealant and must be checked for leaks on the
initial installation and also periodically as part of normal
maintenance.
•
A primary, UL and/or CSA approved fuel oil filter (not
provided) must be installed inline in the fuel supply hose,
between the tank and the Oasis™ Heating Module, in a
manner that ensures easy access for maintenance.
A
secondary fuel filter is mounted inside the Heating Module
case. Both filters must be inspected and replaced as required
as part of normal maintenance.
•
Fuel line hose used must be appropriate for your
requirements. It is strongly recommended that the hoses
have permanently installed end fittings.
4.3
4-2
The fuel supply line should be installed with minimal rise from
the fuel tank. The total rise from the bottom of the pickup
tube to the fuel inlet on the Oasis™ should not exceed 60”.
There are no minimum clearance requirements between the
fuel tank and the Oasis™ .
What NOT to Do
•
Don’t allow the fuel or the fuel lines to become contaminated
with foreign material.
•
Don’t allow the fuel lines to become damaged or constricted.
The Oasis™ Heating Module
Section 4, Installing the Fuel System
! CAUTION
Ensure that fuel lines are always protected from contamination by
foreign material. When installing or servicing, seal off ends to
prevent contamination. After installing, you may also wish to flush
the fuel line to rid of it air and any foreign material.
4.4
Procedure
To complete the fuel system installation:
1
Install the inline fuel filter. The optimal location is on a
compartment wall next to the Oasis™ Heating Module,
inline between the fuel tank and the Oasis™ Heating
Module.
2
Connect the fuel line to the dedicated fitting on the main
diesel fuel tank.
3
Inspect the supply fuel line for any loose connections or
damage. Fittings must be airtight.
4
If desired, install a shut-off valve on the tank side of the
fuel filter to allow shutdown and filter service.
International Thermal Research
4-3
Section 4, Installing the Fuel System
4-4
The Oasis™ Heating Module
Section
5
Installing Fan Heaters – with
“Distribution Module” Only
5.1
Before You Begin
ITR makes a variety of fan heaters for individual cabins or
areas. There are Cabin heaters and Spacesaver heaters
(where space is limited). These heaters draw as little as 0.9
amps and deliver 140 cfm. These heaters also come in high
output versions and the above numbers are increased by
40%. They should be mounted as close to the floor as
possible. They have a built-in aquastat (optional), which
turns on the fan when the water running through it reaches
120°F (49°C).
The Defrost Heater, provides up to 28,000 BTU/h and uses a
three speed fan, 200/275/450 cfm, 40/55/100 watts.
Note: A limited number of fan heaters can be used
with the Oasis™ Heating and Distribution Modules.
NOTICE
Only the installation of ITR fan heaters is covered in this
Manual.
If you are installing non-ITR fan heaters, you must obtain
prior approval from ITR. You must check the fans’ total
amperage draw to ensure they will be compatible with the
Zone Control Board (optional), as well as flow capacity to
ensure that each fan meets system requirements.
International Thermal Research
5-1
Section 5, Installing Fan Heaters
5.2
Fan System Operation
ITR fans consist of a 12 VDC brushless fan and heater coil
similar to a radiator.
When the heater unit comes on, the fan draws ambient air
from the interior, blows it through the heater coil and back
into the interior through a vent. There must be an input and
output vent for each fan unit.
Features
•
ITR heater fans can be supplied with a built-in
aquastat, which prevents fan operation until the
system has reached minimum operating temperature.
The aquastat can be deleted to meet particular
installation requirements, but it is recommended that
all systems be installed with the air fan aquastat.
Figure 5-1 shows how to wire up the aquastat in a fan.
Figure 5-1: Wiring the Fan’s Aquastat
•
5-2
If a “passive” radiant heat system is desired (i.e.
baseboard or fin and tube configurations), consult ITR
for recommended installation procedures and design.
The Oasis™ Heating Module
Section 5, Installing Fan Heaters
Multiple Zone Heating
The Oasis™ Heating Module can supply heat up to five
interior zones using the Distribution Module (Optional).
Refer to Section 9 – Installing Distribution Module.
Up to five thermostats (positive DC compatible) can be
installed to allow temperature regulation of the zones. The
thermostat controls the fan heater.
For larger installations, consult ITR.
Accessories and Components Needed
In addition to the fans themselves, you will need at least
some of the following optional accessories and equipment
which are not supplied but which can be purchased
separately.
International Thermal Research
•
Thermostats — thermostats can be installed in the
interior.
•
Air Outlet Vents — covers that are installed flush
with the wall to vent heat for the installed heater unit.
•
Fan Guards — to protect the fan blades from
damage, recommended for fans installed in storage
areas or other accessible areas where something could
contact the fans.
•
Screws — #10 sheet metal screws or wood screws to
mount the fan units. See Figure 5-2: Mounting a
Spacesaver Fan.
•
Two-Speed Fan Switches – to enable low and highspeed settings from inside the coach or yacht; for use
with the ITR Cabin heater and Spacesaver fan.
•
Three-Speed Fan Switches — to enable low,
medium and high-speed settings from inside the coach
or yacht; for use with the ITR defrost heater.
•
Air Ducting — to allow you to install fans in a remote
location (i.e. not directly adjacent to the interior space
to be heated) and duct the heated air to its output
location. Also, air outlet plates to allow you to
install ducting for one, two or three separate outlets
5-3
Section 5, Installing Fan Heaters
(e.g. you can use one fan to heat two different areas
by installing a dual air outlet plate).
5.3
What NOT to Do
•
Don’t install more fans that require more heat than
the Heating and Distribution Module can produce.
Your system will not run effectively. (If you choose to
use a higher-draw fan motor (more than 5 amps),
install a relay to handle the extra load; see Figure 5-3:
Installing a Relay for Additional Fan Amperage.)
•
Don’t mount the return air outlet too close to the
fan’s air intake source.
5.4
Mounting Locations
Carefully choose the mounting locations of your fans:
ITR
can
suggest
optimal fan locations
if you provide a floor
plan of your coach
or yacht.
•
Locate the fans to evenly heat the zone.
•
Provision must be made to protect water lines from
freezing.
•
Install fan at floor level or very near floor level, in order
to optimize circulation.
•
Allow a minimum 16 square inch (100 cm sq.) opening in
the fan heaters’ mounting compartment to allow sufficient
intake of air.
ITR’s Spacesaver fan (pictured at left) has two stainless steel
mounting brackets welded to the side of the case. It is
designed to be mounted horizontally on a flat surface.
This fan can also be ordered with a right-hand or left-hand
hose configuration.
ITR’s standard cabin heater fan comes with loose stainless
steel brackets. The fan can be mounted on the floor or on
the wall, either flat or on its side.
The thermostat should not be mounted on walls outside of
the zone because that could cause false temperature
readings. Mount on interior walls and bulkheads, away from
windows, heater vents and cabin fan heaters.
5-4
The Oasis™ Heating Module
Section 5, Installing Fan Heaters
5.5
Procedure
After choosing
configuration:
the
appropriate
mounting
location
and
1
Mount the fan using #10 sheet metal screws or wood
screws, see Figure 5-2: Mounting a Spacesaver Fan.
2
If you are using ducting and a dual air outlet plate for any
fan, limit the total length of duct for both outlets to 36” for
optimum air output.
3
Select the appropriate mounting location for the
thermostat, as well as any fan speed switches. You will
wire these up to the Zone Control Board in Section 9 –
Installing the Distribution Module.
4
The zone control board can control up to 5 zones. The
cabin fan 1 lead (orange) can supply up to a maximum of
10 Amps. The other cabin fan leads 2-5 can supply up to a
maximum of 5 Amps each. The total current draw is not to
exceed 18 Amps for all cabin fan leads.
5
If the system requires higher amperage draws, install a
separate relay to power the fans. This relay will use the
existing fan circuit as a signal and must be wired to a
secondary power source (not the heater’s control board).
See Figure 5-3: Installing a Relay for Additional Fan
Amperage.
6
To install plumbing lines to the fans, see Section 7 –
Plumbing the System.
International Thermal Research
5-5
Section 5, Installing Fan Heaters
Figure 5-2: Mounting a Spacesaver Fan
Figure 5-3: Installing a Relay for Additional Fan Amperage
5-6
The Oasis™ Heating Module
Section
6
Wiring the Electrical System
6.1
Before You Begin
The Oasis™ Heating Module and its electrical Control Board are prewired and have been thoroughly tested together as a unit.
To review the wiring system for the Oasis™ Heating Module, refer
to the wiring diagram at the end of this Section 6, Figure 6-1:
System Wiring.
! WARNING
All electrical connections and wiring must comply with normallyaccepted 12 VDC and 120 VAC wiring practices, local regulations,
and ABYC/RVIA standards. Only a qualified electrical installer
should complete the wiring. All field wiring is to be in accordance
with CSA Standard C22.1, Canadian Electrical Code Part l or the
National Electrical Code, ANSI/NFPA 70.
6.2
12 VDC
The following apply to the 12 VDC connections for the Oasis™
Heating Module:
•
! WARNING
There is one paired set of 12 VDC electrical connections on the
top right of the Oasis™ Heating Module. They consist of the
primary DC positive (red) and negative (black) connection and
are 14 gauge stranded copper wires.
Primary DC power should originate from a dedicated connection on
the house battery bank. A 20 amp fuse or breaker must be
included close to and inline from the battery to the positive (red)
connection on the Oasis™ Heating Module. The primary power wire
gauge must be sized to permit no more than a 3% voltage drop
from the battery to the Oasis™ Heating Module.
•
International Thermal Research
A properly-shielded power system is required for safe, troublefree operation.
6-1
Section 6, Wiring the Electrical System
6.3
NOTICE
•
The Oasis™ Heating Module is equipped with two 1500 watt,
120 VAC immersion elements (other voltages and frequencies
are available). The connections for the electrical supply are on
the top left side of the Oasis™ Heating Module, under a cover,
labeled AC power.
•
The power wires for the AC immersion elements are three 14
gauge stranded copper leads that use standard AC color code
(black-hot, white–neutral, green-ground).
These are to be
connected using standard 120 VAC electrical connectors and
terminals.
•
There are two sets of power wires, one set with black heat
shrink (primary) and one set without heat shrink (secondary).
Each individual set must be connected to a separate AC circuit
breaker. The primary set is connected to the single AC element
side of the Oasis™ Heating Module. The secondary set of wires
is connected to the other AC element. If only one AC circuit
breaker is available, you must connect to the primary wire set
only. Once the connections are completed, the wires are to be
inserted back into their compartment and the cover secured.
•
The ground wire (green) is shared between the two connections.
Do not operate the electric immersion elements until water is added
to the Oasis™ Heating Module and Distribution Module, and all
trapped air has been removed.
6.4
6-2
120 VAC
Remote Operating Panel Cable
•
One connection on top of the Oasis™ Heating Module is a multiwire, sheathed cable with a 9 pin connector. This connects to a
matching connector on a short adapter cable. The other side of
the cable has a 10 pin connector that connects to a 25’ remote
cord. This remote cord then plugs directly into the Remote
Operating Panel. Refer to Figure 6-1: System Wiring.
•
If the Distribution Module is used, refer to Section 9, Installing
the Distribution Module.
The Oasis™ Heating Module
Section 6, Wiring the Electrical System
Figure 6-1 System wiring
6.5
NOTICE
Main Electronic Control Board
The main electronic Control Board is mounted onboard the Oasis™
Heating Module itself. It has no user adjustable components.
6.6 Distribution Module
Board (optional)
•
International Thermal Research
Zone
Control
The Distribution Module is controlled by a separate Zone Control
Board. See Section 9, Installing the Distribution Module.
6-3
Section 6, Wiring the Electrical System
6.7
NOTICE
What NOT to Do
Never shut off the Oasis™ Heating Module power via an inline
battery or master switch while the system is running. Never
disconnect the battery when the Oasis™ Heating Module is running,
and never disconnect the battery while the inverter is charging. Do
not wire the Oasis™ Heating Module through a disconnect that is
used as a normal shut-down of the DC system.
Doing either will severely damage the Oasis™ Heating Module
because it fails to automatically purge the combustion chamber.
Such damage is detectable upon inspection and will not be covered
under warranty. Always shut the system off using the normal
system controls, after it has completed its purge and cooled down
the combustion chamber.
6-4
The Oasis™ Heating Module
Section
7
Plumbing the System
7.1
Before You Begin
For efficient and safe operation of the Oasis™ Heating Module,
follow all recommendations for properly installing the plumbing
system. Any deviations from these must be approved in advance by
ITR.
! DANGER
The Oasis™ Heating Module when attached to the Distribution
Module (optional) must use the following:
Use only a non-toxic, propylene glycol based coolant with additives
generally recognized as safe ”GRAS” by the FDA in the coolant side
of the Distribution Module (including engine loop).
When heat is called
for, the distribution
pump
in
the
Distribution
Module
(optional)
sends
heated fluid out to the
cabin fans.
For an efficient Oasis™ Heating Module operation, you must:
•
Minimize heat loss from the Heating Module and hoses.
•
Follow the flow directions for the fluids in the Heating Module.
Figure 9-3: Plumbing for Five Zones Using the Distribution
Module in Section 9, Installing the Distribution Module shows a
typical plumbing layout for circulating coolant from the Oasis™
Heating Module, then to the Distribution Module, and finally to
the cabin fans.
7.2
Plumbing Installation
The plumbing installation should consider the following:
•
The Oasis™ Heating Module has a filler neck located on the top
of the unit and is equipped with a seven (7) pound radiator cap.
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7-1
Section 7, Plumbing the System
Ensure a four (4) quart minimum overflow bottle is attached to
the filler neck.
•
The return and supply coolant plumbing connections are on the
top of the Oasis™ Heating Module and are 1/2” male NPT
fittings. The return coolant input to the Oasis™ Heating Module
is a connection labeled “Inlet” and the supply coolant output
from the Oasis™ Heating Module is a connection labeled “Outlet”.
Ensure proper direction of flow. Refer to Figure 7-1: Heating
Module for the location of the fittings.
•
Two 1/2” NPT pipe to 3/4” hose barb fittings (not supplied) must
be fitted into the Oasis™ Heating Module connections and
tightened to a leak free condition using an appropriate thread
sealant.
•
Hose and/or tubing used to connect to the Oasis™ Heating
Module or Distribution Module input and output connections must
be heavy duty heater hose, minimum 3/4” I.D, or 5/8” PEX.
NOTICE
All fittings on the Oasis™ Heating Module require two wrenches
when tightening. One wrench must be placed on the tank fitting
and held in place to prevent this fitting from being overstressed.
The other wrench can be used to tighten the matching half of the
fitting onto it. Failure to follow this procedure will damage the
Oasis™ Heating Module and the fittings.
! DANGER
Do not operate the Oasis™ Heating Module until a proper
water/anti-freeze solution has been added to the Oasis™ Heating
Module and the heating system and all trapped air has been bled.
An inadequate mixture may cause system circulation problems and
potential Oasis™ Heating Module damage and/or personal injury.
Use only a non-toxic, propylene glycol based coolant with additives
recognized as safe “GRAS” by the FDA. Refer to the anti-freeze
manufacturer recommendations for instructions for your application.
7-2
The Oasis™ Heating Module
Section 7, Plumbing the System
Figure 7-1 Heating Module
NOTICE
All fittings, hose and/or tubing involving the domestic water
component of the Distribution Module, must be approved for use
with domestic water and rated for the domestic water system
pressure
•
All plumbing lines must be run and secured so as to prevent
damage, chafing and kinking
•
Ensure that the coolant flow is adequate through the Oasis™
Heating Module and the system. An indication of inadequate
flow is, when the Oasis™ Heating Module is running and up to
normal operating temperature, the difference between the inlet
and outlet coolant temperature to the Oasis™ Heating Module is
less than 20F.
•
The Distribution Module contains three distribution pumps and
one heat exchanger and is pre-wired and pre-plumbed for ease
of installation.
•
The Heating and Distribution Modules should be filled and flushed
prior to operation to remove any foreign debris.
International Thermal Research
7-3
Section 7, Plumbing the System
•
Use heavy-duty heater hose or PEX tubing.
Slip-on foam
insulation coverings may be used over the hose fittings to reduce
heat loss. Secure all hose connections with spring clamps.
•
Air vents for the fluid circulation system are not supplied, but
may be optionally installed to help bleed air from the system.
7.3
What NOT to Do
The Oasis™ Heating Module’s circulating water pump is one of the
most critical parts of the system. Never let the pump run dry or
you will damage the impeller. This is not covered under warranty.
NOTICE
Don’t use low-quality heater hose.
Don’t let the hose come into contact with solvents, which may
cause it to soften and swell. If there is any risk that solvents may
contact the hose, insert it into PVC plastic tubing for protection.
7.4
Installation Procedure
To install and connect the Oasis™ Heating Module and heater hose:
1
The supply and return coolant connections are on top of the
Oasis™ Heating Module and are 1/2” male NPT fittings. The
return coolant input to the Oasis™ Heating Module is labeled
“Inlet” and the supply coolant output from the Oasis™ Heating
Module is labeled “Outlet”. Ensure proper direction of flow.
2
Two male 1/2” NPT x 3/4” hose barbs (not supplied) must be
fitted into the supply and return fittings and tightened to a leak
free condition.
If the Distribution Module is to be used with the Oasis™
Heating Module, refer to Section 9, Installing the Distribution
Module.
7-4
The Oasis™ Heating Module
Section 7, Plumbing the System
3
If the Distribution Module is not utilized, connect the cabin
fan heater supply lines to the supply coolant “Outlet” from the
Oasis™ Heating Module. Ensure there are no kinks or sharp
bends that might restrict the fluid flow. See Figure 7-2: Three
Approved Methods of Installing Heater Hose (Consult ITR for
Alternative Methods and Products) for methods of attaching the
heater hose.
Connect the cabin fan heater return lines to the return coolant
“Inlet” on the Oasis™ Heating Module. Ensure there are no
kinks or sharp bends that might restrict the fluid flow.
4
Fill the Oasis™ Heating Module through the filler neck with the
recommended propylene glycol/water anti-freeze solution and
bleed all trapped air.
Do not operate the Oasis™ Heating Module until the proper
water/anti-freeze solution has been added to the Oasis™
Heating Module and the heating system and all trapped air has
been bled.
An inadequate mixture may cause system
circulation problems and potential Oasis™ Heating Module
damage and/or personal injury.
Use only a non-toxic, propylene glycol based coolant with
additives recognized as safe “GRAS” by the FDA. Refer to the
anti-freeze manufacturer recommendations for instructions for
your application.
Figure 7-2: Three Approved Methods of Installing Heater
(consult ITR for alternative methods and products)
International Thermal Research
Hose
7-5
Section 7, Plumbing the System
7-6
The Oasis™ Heating Module
Section
8
Operating the Oasis™ Heating
Module
This section describes the features, operation and maintenance
of your new Oasis™ Heating Module. READ THESE
INSTRUCTIONS AND SAVE FOR REFERENCE.
8.1
Features of Your Oasis™ Heating
Module
The Oasis™ Heating Module uses a diesel burner (12 VDC)
controlled by a multi-functional electronic controller as the
primary source of heating coolant fluid (anti-freeze and water).
Two 1500 Watt, 120 VAC immersion elements are used as
secondary heat sources. The Oasis™ Heating Module heats the
coolant fluid to provide a source of heat for all hydronic space
heating needs. When used with the Distribution Module and its
integral distribution pumps, the Oasis™ Heating Module has the
ability to circulate the coolant fluid to all space heating areas. It
can also provide a supply of domestic hot water using the
integral heat exchanger in the Distribution Module.
Other features of the Heating Module include:
•
A high-temperature, stainless steel burner and stainless steel
jacket.
•
8.2 US gallon welded insulated stainless steel coolant tank
that minimizes heat loss and optimizes heat recovery.
•
Low coolant level switch on the tank.
•
Easy to install, completely modular and field serviceable with
Heating Module hookups and connections easily accessible
from the front and top of the Oasis™ Heating Module.
•
Quiet operation and low power consumption.
International Thermal Research
8-1
Section 8, Operating the Heating Module
•
Low pressure fuel system with built-in fuel pump.
•
Fuel efficient burner capable of burning a wide variety of
diesel-based fuels.
•
Exhaust has minimal smoke and smell.
•
Fan assisted sealed combustion is designed to use outside
combustion air.
•
Simple, low amperage draw ignition.
•
Electronically-controlled system with:
•
•
•
•
Automatic safety shutdown.
Manual-reset aquastats for safety overheat protection.
LED indicators on the Control Panel for diagnostics.
Patented, proprietary Flame Sensor.
•
Heating Module Remote Operating Panel with ON/OFF switch
for the diesel burner, AC elements, and engine heat.
•
Heating Module Control Panel with buttons for Power, Bypass,
Reset, and indicator LED’s for operational and diagnostic
information;
Available with the Optional Distribution Module:
•
Three distribution pumps, one heat exchanger for heating
multiple zones, engine heat function, and also producing
domestic hot water (mixing valve included). Also includes
filling valves for easy filling/purging.
•
Zone Control Board for controlling up to five space heating
zones.
8.2
NOTICE
Your Heating Module Model
As the user, you must be fully aware of the controls and
operating features particular to your model of The Oasis™
Heating Module. This is essential for the proper functioning and
life of your Oasis™ Heating Module as well as protecting your
warranty.
Your model can be identified by locating the serial number label
on the outside case of the Oasis™ Heating Module. The serial
8-2
The Oasis™ Heating Module
Section 8, Operating the Heating Module
number identifies the model type through the first series of
letters and numbers.
The two types of Oasis™ Heating Modules are:
CH50M – Oasis™ Heating Module 8 Gallon
CH50V – Oasis™ Heating Module 16 Gallon
8.3
NOTICE
Operating Instructions for the
Oasis™ Heating Module
The Oasis™ Heating Module must be installed and connections
made in accordance with the recommendations in the Installation
and Operating Manual prior to operating the module.
•
The Oasis™ Heating Module, Figure 8-1: Oasis™ Heating
Module, heats the coolant to a preset temperature and will
automatically cycle to maintain the temperature.
Figure 8-1 Oasis™ Heating Module
International Thermal Research
8-3
Section 8, Operating the Heating Module
8.4
Turning the Power to the Oasis™
Heating Module ON
•
The Oasis™ Heating Module’s main Control Panel, Figure 8-2:
Heating Module Main Control Panel, located on the front of the
module contains three push buttons: ON/OFF power, Bypass,
and Reset. The power switch must be pushed ON (power LED
will turn ON) to turn the DC electrical power to the main
control board and module ON and is required to be left ON
during any period where heat is requested.
•
When the Oasis™ Heating Module is shut down for any
extended period or the season, it is recommended that the
power switch be turned OFF.
Figure 8-2 Heating Module Main Control Panel
NOTICE
! DANGER
8-4
Do not operate the Oasis™ Heating Module or Distribution
Module (if installed) until a suitable water/anti-freeze solution is
in the modules and all trapped air has been bled or removed.
Use only a non-toxic propylene glycol based coolant with
additives generally recognized as safe ”GRAS” by the FDA in the
Oasis™ Heating Module and Distribution Module.
The Oasis™ Heating Module
Section 8, Operating the Heating Module
8.5
Activating the Burner (Primary) and
AC Heat (Secondary) from the
Remote Operating Panel
Activating the Burner (Primary Heat Source)
•
The burner switch on the Remote Operating Panel controls the
ON/OFF of the diesel burner (primary heat source). When the
burner switch is turned ON, the diesel portion of the Oasis™
Heating Module will turn ON after ten seconds. The Burner
LED will turn ON when the diesel burner has been activated.
The burner will continue to operate until the coolant in the
Oasis™ Heating Module reaches the set operating
temperature range. At this point, the diesel burner will turn
OFF. If the Oasis™ Heating Module coolant should cool down
below this temperature range, the burner will again
commence firing and will continue until either the burner
switch on the remote panel is turned OFF or the temperature
range is again achieved. If the burner switch on the remote
panel is turned OFF, the burner stops and the Oasis™ Heating
Module enters a two minute cool down stage prior to
completely shutting down.
Activating the AC Immersion Element(s) (Secondary Heat
Source)
•
International Thermal Research
Place the AC power switch on the Remote Operating Panel to
either the one element or two element position. The AC Heat
(green) LED will turn ON indicating the AC element(s) are
energized and the coolant is being electrically heated. They
will continue to operate until the coolant in the Oasis™
Heating Module reaches the set operating temperature range.
At this point, the elements will turn OFF. If the Oasis™
Heating Module coolant should cool down below this
temperature range, the AC elements will again be energized
and will continue until either the AC switch on the remote
panel is placed in the OFF position or the temperature range
is again achieved. If the AC element switch on the remote
panel is turned OFF, the AC elements are de-energized and
the AC Heat (green) LED turns OFF.
8-5
Section 8, Operating the Heating Module
Activating
Jointly
•
the
Burner
and
AC
immersion
Element(s)
Turn the burner switch ON and place the AC power switch on
the Remote Operating Panel to either the one element or two
element position. The Burner and AC Heat (green) LED’s will
turn ON indicating the diesel burner and AC element(s) have
been selected.
8.6
Activating the Cabin Fan Heaters
through the Thermostats
(Distribution Module Equipped Systems Only) (Burner or
AC Heat or Engine Heat Source Available)
•
Any thermostat connected to the Distribution Module’s Zone
Control Board and calling for heat will cause the cabin fan
controlled by that thermostat to be enabled. The ITR cabin
fan has a built-in aquastat that prevents the cabin fan from
blowing cold air. Once the room temperature has reached the
temperature called for by the thermostat the cabin fan will
turn off.
8.7
Activating the Domestic Hot Water
(Oasis™ Heating Module and Distribution Module used in
Tandem) (Burner or AC Heat On)
•
NOTICE
As long as heat is available in the Oasis™ Heating Module, the
Distribution Module (Optional) will respond to a call for
domestic hot water. Ensure that a heat source has been
selected (i.e. Burner, AC, Engine). The production of the
domestic hot water is continuous on the Burner operation
and limited when using AC or Engine.
The domestic water pump is not a part of, nor controlled by the
Distribution Module or The Oasis™ Heating Module.
8.8
Activating Engine Heat & Pre-heat
(Oasis™ Heating Module and Distribution Module used in
Tandem) (Burner or AC Heat On)
Pre-heating the Engine
8-6
The Oasis™ Heating Module
Section 8, Operating the Heating Module
•
Turn the engine preheat switch on the Remote Operating
Panel to the ON position with the burner or AC switch on. The
engine preheat pump and coolant pump will be activated once
the Oasis™ Heating Module is in its set operating temperature
range. The engine will start to be preheated by the Oasis™
Heating Module.
•
Note: An engine preheat pump does not come supplied with
the Distribution Module. The power and ground for the pump
is available from the Distribution Module.
Engine Heat Used for Domestic Water or Space Heating
•
Start the vehicle engine and let it come up to the normal
operating temperature.
Turn the burner switch on the
Remote Operating Panel to the ON position. The Oasis™
Heating Module will come up to the set operating temperature
range and will cycle OFF. The heat from the vehicle engine
will be transferred from the engine to the domestic water and
space heating loop.
8.9
•
Functions of the Remote Operating
Panel
The Oasis Heating Module’s Remote Operating Panel,
Figure 8-3: Remote Operating Panel, contains one ON/OFF
burner switch, one triple position AC element switch, one
ON/OFF engine heat switch to control the optional engine preheat pumps, and four LED’s indicating Burner activation, AC
element activation (CH50 used in tandem with Distribution
Module), module fault, and zone fault.
Figure 8-3 Remote Operating Panel
International Thermal Research
8-7
Section 8, Operating the Heating Module
Burner Switch (Primary Heat Source)
•
The burner switch on the remote panel controls the ON/OFF of
the diesel burner. The Burner LED will turn on when the
diesel burner has been activated.
AC Element Switch (Secondary Heat Source) (CH50
DM8 used in Tandem)
•
and
The triple position AC element switch controls the activation
of a single 120 VAC immersion element only, dual 120 VAC
immersion elements jointly, or both elements off. The AC
heat LED will turn ON to indicate when the element(s) have
been activated.
Engine Pre-Heat Switch (CH Models with this Option Only)
Preheating the Engine
•
The engine pre-heat switch (optional) controls the ON/OFF of
the engine pre-heat pump (not included). However, the
engine pre-heat pump (not included) will not function unless
the coolant in the Oasis™ Heating Module has achieved a
preset temperature.
Burner LED (Green)
•
When ON, indicates the diesel burner has been activated.
AC Heat LED (Green)
•
When ON, indicates the 120 VAC immersion elements(s) are
activated.
Module Fault LED (Red)
•
When ON, indicates the Oasis™ Heating Module has faulted.
The specific fault can be identified by examining the Oasis™
Heating Module Control Panel located on the front of the
Oasis™ Heating Module. There are indicator LED’s on the
panel that are used for diagnostics. Refer to the description
of the Oasis™ Heating Module Control Panel for further
details.
Zone Fault LED (Red) (Functional with Distribution Module
Equipped Models Only )
8-8
The Oasis™ Heating Module
Section 8, Operating the Heating Module
•
When ON, indicates the space heating zone(s) has faulted.
The specific fault can be identified by examining the
Distribution Module Zone Control Panel (optional) located
beside the Oasis™ Heating Module. There are indicator LED’s
on the panel that indicate the problem.
Refer to the
description of the Distribution Module Zone Control Panel for
further details.
8.10 Functions of the Heating Module
Control Panel
•
The Oasis™ Heating Module’s Control Panel, Figure 8-2:
Heating Module Main Control Panel, contains three push
buttons: ON/OFF power, Bypass, and Reset. In addition, it
contains nine LED’s indicating Power, AC Heat, Compressor,
Fuel Pump, Combustion Fan, Igniter, Flame Out, Voltage and
Low Water.
Power Button
•
The power button turns ON/OFF the power to the control
board. The Power LED (green) turns ON when the power to
the control board is ON.
Bypass Button
•
The bypass button is for authorized service personnel
only.
Reset Button
•
The reset button when pressed resets the control board.
Power LED (Green)
•
The power LED (green) turns ON when the power to the
control board is ON. The LED flashes when the Oasis™
Heating Module is in Bypass mode.
AC Heat LED (Green)
•
International Thermal Research
The AC Heat LED (Green) turns ON when a single or dual AC
immersion element(s) have been activated.
8-9
Section 8, Operating the Heating Module
Compressor, Fuel Pump, Combustion Fan, Igniter (Green)
•
The compressor, fuel pump, combustion fan, and igniter LED’s
(Green) turn ON when the component is ON, and will flash if
the component is electrically open or shorted.
Flame Out (Red)
•
The Flame Out LED (Red) turns ON when a flame fault has
been detected.
Voltage Fault (Red)
•
The voltage fault LED (Red) turns ON when a voltage fault
has been detected.
Low Water (Red)
•
The Low Water LED (red) turns ON when a low coolant level
in the Oasis™ Heating Module has been detected.
8.11 Functions of the Distribution Module
(Optional) Zone Control Panel
8-10
•
The Distribution Module Zone Control Panel, Figure 8-4: Zone
Control Panel, contains seven green LED’s for Power, Zone 1,
2, 3, 4 and 5 Thermostat(s), and Domestic Water.
•
It also contains nine matched pairings of red/green LED’s for
Zone 1, 2, 3, 4 and 5 Fan(s), Summer Loop, Heat Loop 1,
Heat Loop 2, and Engine Pre-heat Pump.
The Oasis™ Heating Module
Section 8, Operating the Heating Module
Figure 8-4: Zone Control Panel
Power LED (Green)
•
The power LED turns ON when the power to the Distribution
Module Zone Control Board is ON.
Zone 1, 2, 3, 4, 5 Thermostat LED’s (Green)
•
The Zone # LED turns ON when the thermostat in the zone is
calling for heat.
Domestic Water LED (Green)
•
The domestic water LED turns ON when there is a call for
domestic water heat.
Zone 1, 2, 3, 4, 5 Fans, Summer Loop, Heat Loop 1, Heat
Loop 2, Engine Pre-heat Pump Paired LED’s (Red/Green)
•
International Thermal Research
The nine paired LED’s indicates the functionality of the
devices. The green LED will turn ON when the device is
operating normally. The red LED turns ON if a fuse has been
blown.
8-11
Section 8, Operating the Heating Module
8.12 Maintenance
Customer Monthly Maintenance: Check the following and
correct as required:
•
Coolant hoses and fittings for leaks and integrity.
•
Check coolant level in the overflow bottle (3/4 full when
hot). Fill only when the system is COLD and in small
quantities only to prevent overfilling.
•
Exhaust fittings,
integrity.
•
Exhaust and air-intake checked for no obstructions.
•
Fuel lines, fittings for leaks and integrity.
•
External fuel filter for clogging.
connections,
tubes
for
leaks,
and
Annual Service Requirements: Perform the following:
8-12
•
Prior to operation for the season, a factory service
tune-up of the modular system should be performed
by trained service personnel. Only personnel familiar
with the equipment modules should perform the service
tune-up. It is recommended that the dealer be contacted
for this service or if not available, contact ITR for
information on service resources.
•
As a general guide, the regular maintenance items such as
the igniter, fuel filters (internal and external), and air filter
(internal) should be replaced as opposed to inspected and
cleaned. Their performance may be deteriorating and/or
their remaining service life ending without any apparent
visual signs or operating symptoms.
•
The major components such as the air compressor, fuel
pump, fuel nozzle, and combustion air fan should be
examined for wear and should be replaced by the service
technician as required.
•
The combustion tube should be inspected by the service
technician for wear and replaced if necessary. To access
the combustion tube, the front panel of the Oasis™ must
be removed along with the burner box cover. The fuel
block must then be removed from its mounting position.
The Oasis™ Heating Module
Section 8, Operating the Heating Module
Finally, the burner and counter-flow tube must be taken
out by removing the nuts holding the burner box in
position. If the tube is satisfactory, a thorough cleaning of
the tube and burner chamber should be performed by
blowing out and vacuuming any ash and carbon buildup.
Any build up on the surface of the burner chamber will
cause the heater to lose efficiency.
•
Regular inspection and maintenance is the only way to
ensure safe, reliable and efficient operation of your heating
system.
8.13
NOTICE
! DANGER
NOTICE
Protecting the Heating Module and
the Optional Distribution Module
Protect the Oasis™ Heating Module and Distribution Module
(Optional) from temperature extremes and any dusty, dirty,
corrosive environment.
Protect the module(s) and the system from cold temperatures
and corrosion by using a proper mixture of anti-freeze and water.
Use only a non-toxic propylene glycol based coolant with
additives generally recognized as safe “GRAS” by the FDA in the
Oasis™ Heating Module and Distribution Module (Optional). Read
and follow the anti-freeze manufacturer’s instructions for the
type of anti-freeze and mixture recommended for your
application.
Note that any domestic water in the Distribution Module
(Optional) will freeze in cold temperatures and will damage the
internal parts. The Distribution Module and all associated
components must be completely drained and emptied of any
domestic water before freezing temperatures are encountered.
8.14 General Troubleshooting
Ensure that your heating module has both sufficient
battery voltage and ground, and coolant level as the
module is designed not to allow operation if either are
incorrect (indicated by lit Voltage LED or Low Water LED
on the Oasis™ Heating Module Control Panel) .
Burner Does Not Start Up
International Thermal Research
8-13
Section 8, Operating the Heating Module
•
Oasis™ Heating Module connected to 12 VDC power?
•
Power button on Oasis™ Heating Module Control Panel
pushed ON? Power LED lit on Oasis™ Heating Module
Control Panel?
•
Burner switch on Remote Operating Panel ON?
LED lit on Remote Operating Panel?
•
Main fuse or circuit breaker blown or tripped?
Burner
AC immersion elements do not activate
•
Module connected to 120 VAC power?
•
AC switch on Remote Operating Panel placed in the one or
two element position?
AC Heat LED lit on Remote
Operating Panel?
•
AC immersion elements circuit breakers tripped?
Burner Starts but Flame Faults
•
Fuel supply present and adequate?
•
Air-intake or exhaust not blocked or obstructed?
•
Air in fuel line (white smoke from exhaust or popping
sound from exhaust)?
•
Fuel filter (external) dirty?
•
Restrict the fuel return line with needle valve or pinch off
completely.
Burner Starts but Zone Faults
8-14
•
Power LED on Distribution Module Zone Control Panel
glowing green?
•
Component matched LED pairings all glowing green on the
Distribution Module Zone Control Panel?
The Oasis™ Heating Module
Section
9
Installing the Distribution
Module, DM12
Thank you for purchasing the Distribution Module, DM12.
This section describes its installation.
9.1 Installing your Distribution Module
Equipment, Tools and Skills
NOTICE
As the Installer, you must be qualified and authorized to do the
installation which requires mechanical and electrical knowledge.
The module is to be installed
standards
and
regulations
jurisdiction. Proper workmanship
function and life of your module
warranty.
in accordance with the
of
authorities
having
is essential to the proper
as well as protecting your
9.2 Selecting the Module Location
The installation should consider the following:
•
Mounting location must be able to support double the gross
weight of the Distribution Module (i.e. 33 lbs. x 2 = 66
lbs./13 KG x 2 = 26 KG) and must be of a non-combustible
and non absorptive surface.
•
The module must be mounted in an area that provides
unrestricted access to the front panel (minimum of 6” top
clearance) with 3” clearance to all other module surfaces.
•
Module is 11”H x 14”W x 6.5” D. (27.9cm x 35.5cm x
15.2cm). See Figure 9-1: Distribution Module, DM12.
International Thermal Research
9-1
Section 9, Installing the Distribution Module
•
Module must be mounted using four, 1/4” through bolts using
1” diameter fender washers, lock washers and nuts. The
module must be mounted in the position as shown against a
wall or on the floor.
Figure 9-1: Distribution Module, DM12
9.3 Selecting the Distribution
Zone Box Location
Module
•
Mount the Distribution Module Zone Box (containing the
Zone Control Board) vertically, close to the Distribution
Module. Allow sufficient room to access the internal fuses as
well as to view the display LED’s on the board itself.
•
Mount the bracket against a wall using 2 flat head screws.
The distribution module zone box will then click onto the
bracket.
Figure 9-2: Distribution Module Zone Box
9-2
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
•
The Distribution Module is connected to the Distribution
Module Zone Control Board through the electrical connections
located at the bottom of the Zone Control Board box. The
distance apart is dictated by the length of the 9 pin connector
cord used.
9.4 Plumbing Installation
The plumbing installation should consider the following:
•
The Distribution Module, see Figure 9-3:
Distribution
Module Fittings Location. See the illustration for the location
of the fittings.
Figure 9-3: Distribution Module Fittings Location.
NOTICE
All fittings on the Oasis™ Distribution Module require two
wrenches when tightening. One wrench must be placed on the
module fitting and held in place to prevent this fitting from being
overstressed. The other wrench can be used to tighten the
matching half of the fitting onto it.
Failure to follow this
procedure will damage the Oasis™ Distribution Module, and the
fittings.
International Thermal Research
9-3
Section 9, Installing the Distribution Module
•
WARNING
The Domestic water connections are located on top of the
module. The Cold water supply can be connected using a ½”
NPT fitting. The maximum water supply pressure to the
module is 150 PSI (10 bar). The Hot water Outlet
temperature is regulated by an internal mixing valve factory
set at 120F (49°C). If needed this valve can be adjusted in a
range from 100F (38°C) to a maximum of 145F (63°C). For
more details about adjusting the temperature see chapter
9.9. A domestic water drain is provided for winterizing
purposes. This will prevent damage to the internal heat
exchanger due to freezing water. See Figure 9-4: Domestic
Hot water system plumbing.
All fittings, hose, tube and fitting sealant involving the domestic
water must be food safe and approved for use with domestic
water and rated for the domestic water system pressure.
Figure 9-4 Domestic Hot Water System Plumbing.
•
9-4
The engine heat/pre-heat connections are located on the
side of the distribution module. Hot coolant from the engine
enters the module at the “engine heat inlet”. The “engine heat
outlet” returns the coolant back to the engine supply. When
the pre-heat function is installed an additional pump is
connected between the “engine heat outlet” and the engine
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
supply. The module contains a red and black wire to connect
this pump. The pre-heat switch on the remote control panel
will activate this pump. See Figure 9-5: Engine heat/pre-heat
system plumbing.
Figure 9-5 Engine Heat / Pre-heat System Plumbing.
•
The pre-heat pump wires are capped off to prevent
accidental shorting. The pre-heat switch on the remote will
turn on power to the wires.
•
The Distribution module contains two connections on the
side panel to connect to the Oasis™ Heating Module. The
“Inlet from Heater” is connected to the hot coolant supply
outlet on the Oasis™ Heating Module. The “Outlet to Heater”
is connected to the cold coolant return inlet on the Oasis™
Heating Module. It is recommended to use minimal ¾” ID
hose for this connection. See Figure 9-6: Connecting to the
OASIS heating module.
International Thermal Research
9-5
Section 9, Installing the Distribution Module
Figure 9-6: Connecting to the OASIS Heating Module
•
9-6
The Distribution module has the capability to supply heat
for two separate heating loops labeled “Heating loop 1 supply”
and “Heating loop 2 supply”. Each loop can contain several
fans connected in series. The control board can regulate up to
5 zones. Zones 1 and 2 control the fans in heating loop 1 and
Zones 3, 4 and 5 control fans in heating loop 2. See Figure 97: Connecting two heating loops.
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
Figure 9-7: Connecting two Heating loops.
! DANGER
Use only a non-toxic propylene glycol based coolant with
additives generally recognized as safe ”GRAS” by the FDA in the
coolant side of the Distribution Module. Refer to the anti-freeze
manufacturer recommendations for instructions for your
particular application.
NOTICE
WARNING
NOTICE
Do not operate the Oasis™ Heating Module and Distribution
Module, DM12 (Optional) until coolant is in the Oasis™ Heating
Module and Distribution Module and all trapped air has been
bled.
All plumbing lines must be run and secured so as to prevent
damage, chafing and kinking.
9.5 Filling/Purging the heating system
The Distribution module contains two valves with ½”NPT
connections to be used for filling the heating loop. To initially fill
up and bleed the air out of the system, do the following:
1. Connect a hose to the outlet of a diaphragm pump and to the
“fill inlet valve” on the distribution module. Attach a hose to the
International Thermal Research
9-7
Section 9, Installing the Distribution Module
inlet of a diaphragm pump and place the hose in a container
filled with a 50/50 mixture of propylene glycol and water (see
Figure 9-8).
2. Connect a hose to the “fill outlet valve” on the distribution
module and place the other end of the hose in the same
container.
Figure 9-8: Initial fill up Oasis system
3. Open both valves on the Distribution module.
4. Turn ON the diaphragm pump. This will prime the pumps in
the Oasis Distribution Module. It may be necessary to fill up the
container with more coolant as the air is being bleed from the
system.
5. Turn on the pump activation switch, located on top of the zone
box, this will activate the pumps inside the distribution module
and fill up both heating loops.
9-8
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
6. Once the coolant in the container remains at the same level
and there appears to be no air in the return stream from the fill
outlet hose, close the valves on the distribution module and stop
the diaphragm pump.
7. Turn off the pump activation switch.
8. The Oasis heating system is ready to be operated.
9.6 Electrical Connection
WARNING
All electrical connections and wiring must comply with normallyaccepted 12 VDC wiring practices, local regulations and
ABYC/RVIA standards. Only a qualified electrical installer should
complete the wiring. All field wiring is to be in accordance with
CSA Standard C22.1, Canadian Electrical Code Part l or the
National Electrical Code, ANSI/NFPA 70.
12 VDC
•
Primary DC power to the module should originate after the
master disconnect switch from a dedicated connection on the
house battery bank.
•
The power connection to the module from the power supply
is through the Distribution Module Zone Control Board itself.
A 25 amp fuse or breaker must be included inline from the
power source to the positive connection on the zone board.
The primary power wire gauge must be sized to permit no
more than a 3% voltage drop from the power supply to the
zone board. There are no direct 12 VDC power connections
onto the Distribution Module itself. Refer to Figure 9-9:
Distribution Module Wiring.
International Thermal Research
9-9
Section 9, Installing the Distribution Module
9.7 Distribution Module Zone Control
Board
Multi-Pin Connectors
The Zone Control Board has four multi-pin connectors, see Figure
9-9:
Distribution Module Wiring, that are to be connected
through connector cords (supplied) to the matching multi-pin
connectors as follows:
•
10 pin connector to Heating Module Remote Operating
Panel.
•
8 pin connector to Heating Module (connector cord
transitions to a 9 pin connector for the Heating Module).
•
12 pin connector to Distribution Module (connector cord
transitions to a 9 pin connector for the Distribution Module).
•
14 pin connector to thermostat and cabin fan connector
plug.
Cabin Fan leads
9-10
•
The positive (red) lead from each cabin fan is to be
attached to one of the trailing cabin fan leads, color coded for
zones, from the thermostat and cabin fan connector plug.
•
The negative lead from each cabin fan is to be attached to a
ground terminal (not provided) that is connected to a battery
ground.
•
The cabin fan 1 leads (orange) can supply up to a maximum
of 10 Amps. The other cabin fan leads 2-5 can supply up to a
maximum of 5 Amps each. The total current draw is not to
exceed 18 Amps for all cabin fan leads.
•
If the system requires higher amperage draws, install a
separate relay to power the fans. This relay will use the
existing fan circuit as a signal and must be wired to a
secondary power source (not the heater’s control board). See
Figure 5-3.
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
Thermostat Leads
•
The power lead to the thermostat is to be attached to a
power terminal (not provided) that is connected to the
battery.
•
The return lead from each thermostat is to be attached to
one of the trailing thermostat leads, color coded for zones,
from the thermostat and cabin fan connector plug.
Figure 9-9: Distribution Module Wiring
International Thermal Research
9-11
Section 9, Installing the Distribution Module
If the zone board is being used without the distribution module,
use the following wiring diagram:
Figure 9-10: Zone Board Wiring (No DM12)
9-12
The Oasis™ Heating Module
Section 9, Installing the Distribution Module
9.8
Inspection and Testing
After all components have been properly installed according to
ABYC
Industry
Standards
and
Practices
and
the
recommendations of this Manual, the Distribution Module and
Oasis™ Heating Module should be inspected using the
Inspection Check Sheet in this Manual. The Inspection
Check Sheet is divided into relevant sections allowing each
phase of the Inspection to be carried out systematically, and
then signed off by authorized personnel.
9.9 Hot water temperature adjustment
The distribution module has the option to adjust the temperature
of the domestic hot water outlet. Standard this temperature is
set at 120F (49°C). In order to adjust the temperature, the front
cover has to be removed. The front cover can be removed by
removing the 6 Philips head screws. The mixing valve adjustment
knob is shown in the figure below.
Figure 9-11: Mixing valve location
WARNING
The parts inside the module are HOT when in operation. Use
gloves when adjusting the mixing valve.
Turning the knob left (clockwise from top view) will increase the
hot water outlet temperature up to a maximum of 145F (63°C).
Turning the knob right (counter-clockwise) will decrease the hot
water outlet temperature down to minimal 100F (38°C). Mount
the cover back in place after the adjustment.
International Thermal Research
9-13
Warranty And Service
Warranty
Warranty cards must be filled in completely, signed by the
Owner and Dealer and returned to ITR within 30 days of the
date of the original installation.
ITR warrants the OASIS® heating module, Distribution module
and OASIS® COMBI, (referred to as “heater(s)”) and all
accessories or other supplied components with the original purchase
to be free of defects in materials and workmanship under design
usage and service conditions for one (1) year from the heater serial
number label manufacturing date or from acceptable proof of the
date of purchase of the unit in which the heating system is installed.
Warranty replacement parts are covered for the remainder of the
heater’s warranty.
This warranty does not apply to damage or failure of the
heater, or the vessel or vehicle into which it was installed,
due to improper installation, assembly, maintenance, or
abuse, accident, or the use of parts not supplied by ITR.
Installations
The purchaser and installer are advised that specific rules and
regulations may be in effect with respect to the installation of the
“heater”. It is the installer’s responsibility to review and comply with
all such rules and regulations.
Non-standard installations, that is, those requiring a departure from
published installation instructions, should not be undertaken without
first having consulted and obtained the written approval of ITR.
Coverage for warrantable parts will, at the discretion of ITR, be
made to the claimant in the form of repair, replacement, or credit.
“Heaters” installed using non standard, industry accepted
procedures and without ITR’s or an authorized Dealer’s
approval will be limited to a 90 day warranty measured from
the heater serial number label manufacturing date.
International Thermal Research
Limited Warranty
The following warranties are in lieu of all other warranties
and
conditions.
ITR
makes
no
other
warranties,
representations, or conditions, express or implied, and there
are expressly excluded all implied or statutory warranties or
conditions of merchantability of fitness for a particular
purpose and those arising by statute or otherwise in law of
from a course of dealing or usage of trade.
The stated express warranties are in lieu of all liabilities or
obligations for damages arising out of or in connection with
the delivery, use, performance, or licensing of the product or
in connection with any services performed. In no event
whatsoever, shall ITR be liable for indirect, consequential,
exemplary, incidental, special or similar damages including
but not limited to lost profits, lost business revenue, failure
to realize expected savings, other commercial or economic
loss of any kind or any claim against ITR by any other party
arising out of or in connection with the sale, delivery, use,
performance, or repair or in connection with any services
performed, even if ITR has been advised of the possibility of
such damages, whether based upon warranty, contract, or
negligence. ITR’s maximum liability shall not in any case
exceed the contract price for the products claimed to be
defective. ITR warranties its products; ITR authorized
dealers/service centers and installers
provide warranty for
installation. Any warrantable service and or labour is the
responsibility of ITR and should be performed by an authorized
dealer unless other arrangements are authorized.
No one is authorized to increase, alter, or enlarge ITR’s
responsibilities or obligations under these warranties.
Warranties are void if the original serial number has been
removed or altered, or cannot be readily determined.
Warranty
Owner’s Responsibilities
Before the expiration of the warranty, the Owner must give
notice to a registered ITR Dealer of failures, if any,
considered to be warrantable and deliver the defective
“heater” to such dealer. The Owner is responsible for all repairs
made to the engine, equipment, vessel, or vehicle in which the
“heater” is installed, other than the “heater”. The Owner is
responsible for lodging, meals, and other incidental costs incurred by
the Owner as a result of a warrantable failure. The Owner is
responsible for “down time” expenses, and all business costs and
losses resulting from a warrantable failure.
ITR
IS
NOT
RESPONSIBLE
CONSEQUENTIAL DAMAGES.
FOR
INCIDENTAL
OR
Not Covered Under Warranty
This warranty will not apply to:
• Normal usage, wear, and tear on parts, including but not limited to,
fuel filter, air filter, nozzle, fuses, igniter, and carbon brushes.
• Parts or products which malfunction due to improper installation,
including but not limited to malfunctions causing inadequacies in;
air, fuel or coolant flow, voltage due to wiring, shock or vibration.
• Any progressive damage to the engine, vessel, or vehicle arising out
of failure of the “heater”.
• “Heaters” which have been modified or use of non-standard parts
not approved by ITR.
• “Heaters” that have been abused, damaged, vandalized, or received
improper maintenance.
• Removal and re-installation expenses of the “heater” unless
specific written permission has been obtained from ITR.
• Travel time and expenses incurred by an ITR dealer or other
personnel to perform warranty related work on the “heater”
International Thermal Research
• Diagnosis or repairs when caused by problems not directly related to
the “heater” or due to empty fuel tanks or poor fuel quality, fuel
additives, acidic water, electrolysis, incorrect vessel bonding leading
to abnormal corrosion.
• Running the system dry or without appropriate preservatives
(antifreeze), causing damage to the heat exchanger, pump seals,
etc.
• Exposing the heater to an environment detrimental to its effective
operation (such as excessively wet, dirty, or hot areas).
• Other products which ITR does not manufacture.
• Any products or parts which have been used in a manner
to ITR’s printed instructions.
contrary
PLEASE FOLLOW THE RECOMMENDATIONS INCLUDED IN THIS
MANUAL.
Customer Service Calls
Normal service calls are at the owner’s expense.
CHECK THE TROUBLESHOOTING CHAPTER OF THIS MANUAL
TO SEE IF YOUR PROBLEM IS ADDRESSED.
When calling with a service problem, please have the following
information at hand:
•
The model number and serial number of your heater and main
electronic control board.
•
If your heater is already installed, ensure you are familiar with
the design and installation setup.
•
Have ready a detailed description of the problem and keep the
manual handy to refer to.
Returns
To obtain warranty service, the owner must:
•
Provide a full description of the problem to your dealer and ITR.
ITR will determine if the problem is covered under the ITR
warranty.
Warranty
• If ITR determines that the problem is covered under warranty,
they will provide you with a Repair or Return Goods Authorization
(RGA) number for any warranty return, repair or service.. ITR will
refuse any return package without a proper RGA number.
• If ITR determines that “heater” repairs will be covered under
warranty under in-field conditions, ITR will
authorize the in-field
warranty service personnel as to specific conditions and limits for
parts and labor used in the repair. Any other incurred costs will not
be covered under the warranty.
•
When shipping your product, pack securely to prevent damage,
indicate the RGA and serial number of the heater on the outside of
the shipping container, and ship prepaid and insured to ITR.
• In the shipping container, provide written details of the problems,
RGA number, manufacturing date as indicated by the serial
number label, serial number, proof of purchase, and a return
address.
After repair or replacement of products under warranty, ITR will
return the product to the customer via standard (non expedited)
delivery. Factory repairs or replacement will be done as quickly as
possible, with an estimated five working day turn around.
Telephone Service
There is no charge for help or service information given over the
telephone or by fax. Any recommendation or advice from ITR or any of
its employees, or Dealers, is given only in good faith as an
accommodation to the customer. Such information should not be relied
upon by the customer without an independent verification of its
applicability to the customer’s particular situation. For customer service
or other information:
Call the Dealer from whom you bought the heater, or call ITR
IN CANADA:
IN THE UNITED STATES:
2431 Simpson Road,
11915 NE 56th Circle Suite B
Richmond, BC Canada V6X 2R2
Vancouver, WA USA
Tel: 1-800-755-1272 or 604-278-1272
Tel: 1-800-993-4402 or 360-993-4877
Fax: 604-278-1274
Fax: 360-993-1105
Email: [email protected]
Website: http://www.itrheat.com
International Thermal Research
98682
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