RBI DOMINATOR Series User manual

1/13 Copyright Mestek, Inc.
UMDOM-4
85-0181
BoilerUser's
Information
Manual
is manual is intended only for use by a qualied heating installer/technician. Read and follow this manual, all supplements and related
instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these
instructions. Failure to do so can result in severe personal injury, death or substantial property damage.
Do not use the boiler during construction. Construction dust and particulate, particularly drywall dust, will cause contamination
of the burner, resulting in possible severe personal injury, death or substantial property damage. e boiler can only be operated with
a dust-free air supply. Follow the instruction manual procedures to duct air to the boiler air intake. If the boiler has been contaminated
by operation with contaminated air, follow the instruction manual guidelines to clean, repair or replace the boiler if necessary.
Ax these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a qualied service
technician, and to follow all guidelines in the User’s Information Manual.
Finned Copper Tube
Gas Boilers (DB) &
Water Heaters (DW)

2
Finned copper tube gas boilers & water heaters – User’s Manual
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury(exposuretohazardousmaterials)*orlossoflife.
Installation and service must be performed by a
qualied installer, service agency or the gas supplier
(who must read and follow the supplied instructions
before installing, servicing or removing this boiler.
isboiler containscrystalline silica materialsthathave
been identified as carcinogenic to humans when
inhaled)*.
AVERTISSEMENT: Une installation, un réglage,
une modication, une réparation ou un entretien
non comforme aux normes peut entraîner des
dommages matériels, des blessures (exposition à
des matiéres dangereuses) ou la mort. L’installation
et l’entretien doivent être eectués par un
installateur ou un service d’entretien qualié ou
le foumisseur de gaz (qui doivent avoir lu les
instructions foumies avant de faire l’installation,
l’entretien ou l’enlèvement de la chaudière et les
respecter, Cee chaudière contient des matériaux
qui ont été identiés comme étant cancérogènes ou
pouvant l’être). ou l’être.
In Canada, the installation must be in accordance with the
requirements ofCSAB149.1 or.2, InstallationCodeforGasBurning
Appliances and Equipment.
The owner should maintain a record of all service work performed
with the date and a description of the work done. Include the name
of the service organization for future reference.
Direct all questions to your RBI distributor or contact the
RBICustomerServiceDepartment,260NorthElmStreet,Westfield,
MA 01085 for U.S. or 7555 Tranmere Drive, Mississauga ONT
L5S 1L4 for Canada. Always include the model and serial numbers
from the rating plate of the boiler/water heater in question.
Never store combustible materials, gasoline or any
product containing flammable vapors or liquids in the
vicinity of the boiler/water heater. Failure to comply
with this warning can result in an explosion or fire
causing extensive property damage, severe personal
injury or death!
All aspects of the boiler/water heater installation must conform to
the requirements of the authority having jurisdiction, or, in the
absence of such requirements, to the National Fuel Gas Code, ANSI
Z223.1/NFPA 54-latest revision. Where required by the authority
having jurisdiction, the installation must conform to the Standard
for Controls and Safety Devices for Automatically Fired Boilers,
ANSI/ASME CSD-1.
Should overheating occur or the gas supply fail to shut o, do not
turno or disconnectthe electrical supplytothepump.Instead,shut
o the gas supply at a location external to the appliance.
En cas de surchaue ou si l'alimentation de gaz ne peut être coupéé,
ne pas couper ni débrancher l'alimentation électrique de la ponpe.
Fermerplutôtlerobinetd'admissionde gaz àl'extérieurdel'appareil.
If the information in this manual is not followed
exactly, a fire or explosion may result causing property,
personal injury or loss of life.
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other applianc
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch. Do not use any
phone in your building.
• Immediately call your gas supplier from a phone outside
the building. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
Assurez-vous de bien suivre les instructions données
dans cette notice pour réduire au minimum le risque
d’incendieoud’explosionoupourévitertoutdommoge
matériel, toute blessure ou la mort
Ne pas entreposer ni utiliser d’essence ou ni d’autres
vapeurs ou liquides inflammables à proximité de cet
appareil ou de tout autre appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer d’appareil.
• Ne touchez à aucun interrupteur; ne pas vous servir
des téléphones se trouvant dans le bâtiment.
• Appelez immédiatement votre fournisseur de gas depuis
un voisin. Suivez les intructions du fournisseur.
• Si vous ne purvez rejoindre le fournisseur, appelez le
service des incendies.
L’installation et l’entretien doivent être assurés par un
installateur ou un service d’entretien qualifié ou par le
fournisseur de gaz.
Failure to properly vent this unit can cause excessive
amounts of carbon monoxide resulting in severe
personal injury or death!
DESIGNED AND TESTED ACCORDING TO A.S.M.E.
BOILER AND PRESSURE VESSEL CODE, SECTION
IV FOR A MAXIMUM ALLOWABLE WORKING PRES-
SURE OF 160 PSI, 1103 kPa WATER.
Servicing, inspectionandadjustment mustbe done by
a trained technician in accordance with all applicable
local and national codes. Improper servicing or
adjustment can damage the boiler/water heater!
Theboiler/waterheatershouldbecleanedand inspectedonceayear,
before each heating season. Make sure that the burner, ignition
componentsand vent systemarefreefromdust, soot,dirt, corrosion
or other deposits that would impair the boiler/water heater’s
performance and safe operation.

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Finned copper tube gas boilers & water heaters – User’s Manual
OPERATING INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE OPERATING
POUR VOTRE SÉCURITÉ LISEZ AVANT DE
METTRE EN MARCHE
A. is appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
Cet appareil est muni d'un dispositif d'allumage qui allume
automatiquementla veilleuse.Netentezpasd'allumerlaveilleuse
manuellement.
B. BEFORE OPETING smell all around the appliance area
for gas. Be sure to smell next to the oor because some gas
is heavier than air and will sele on the oor.
Propane gas may not always be detected by smell.
Propane gas is heavier than air and can collect in low
areas.
Propanegascanigniteorexplodeif anignition sourceis
presentandresultindeath,seriousinjuryand property
damage!
FOR YOUR SAFETY
• Have only qualied licensed professionals install, service and
maintain this appliance and your gas system in accordance with
all applicable codes.
• Install a nationally listed combustible gas detector(s) in your
home.
• If you suspect a leak:
1. Have everyone leave the building immediately.
2. Do not aempt to light any appliance.
3. Do not touch any electrical or electronic switches in the
building.
4. Do not use any phone in the building.
5. Call your gas supplier from a phone outside of the building.
6. Ifyoucannot reach yourgassuppliercallthe redepartment.
AVANT DE FAIRE FONCTIONNER, reniez tout autour de
l'appareil pour déceler une odeur de gaz. Reniez près du plancher,
car certains gaz sont plus lourds que l'air et peuvent s'accumuler au
niveau du sol.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareil.
• Netouchezàaucuninterrupteur;nepasvousservirdestéléphones
se trouvant dans le bâtiment.
• Appelez immédiatement votre fournisseur de gaz depuis un
voisin. Suives les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur, appelez le service de
incendies.
C. Do not use this appliance if any part has been under water.
Immediately call a qualied service technician to inspect the
appliance and to replace any part of the control system and any
gas control that has been under water.
N'utilisez pas cet appareil s'il a été plongé dans l'eau, même
partiellement. Faitesinspecterl'appareilparun tecnicien qualié
et remplacez toute partie du système de contrôle et toute
commande qui ont été plongés dans l'eau.
To prevent being burned, stand clear of the boiler
during ignition and don’t touch any hot metal parts!
Operating Instructions
1. STOP! Read the safety information above. If, at any time,
the appliance will not operate properly, follow the instructions
“TO TURN OFF GAS TO APPLIANCE”.
2. Settheoperating controlorthermostattoooritslowestseing.
3. Turn o all electric power to the appliance.
4.
Close the main manual gas shut-o valve, Figure 2.
5. Make sure that the gas supply piping has been purged of air
and that all gas joints up to the gas valve have been thoroughly
checkedforleaks.Wait ve (5) minutestoclearoutanygas.en
smell for gas, including near the oor. If you smell gas, STOP!
Follow “B” in the safety information above (to the le) on this
label. If you don’t smell gas, go to the next step.
6. Remove the upper front jacket panel.
7. Turn the knob on the pilot valve to o.
8. Turn the knob on the main gas valve to o, 300 & 400 models,
Figure1. On 600 through2100modelsclosethemanualshuto
valve located in the control compartment, Figure 2.
9. Locatepilotandmanifoldpressuretapsintheuppercompartment.
Remove the 1/8 in screw plugs.
10. Connect a 20 in, 508 mm WC manometer to each tapping,
see Figure 2.
Figure 1 Pilot Valve (All Models)
Main Valve (300 & 400 Models)
11. Turn the knob on the pilot valve to on, Figure 1.

4
Finned copper tube gas boilers & water heaters – User’s Manual
260 North Elm Street 7555 Tranmere Drive
Westeld, MA 01085 Mississauga, Ontario L5S 1L4 Canada
Phone: [phone] Phone: [phone]
Fax: [phone] Fax: [phone]
www.rbiwaterheaters.com
12. Turn the knob on the main gas valve to on, 300 and 400 models,
Figure1. On 600through2100 models openthemanualshuto
valve located in the control compartment, Figure 2.
13. Turn on all electric power to the boiler.
Figure 2 Manual Valve & Manifold Pressure Tap
14. Set the staging control or thermostat to the desired seing.
15. e pilot should automatically light. Do not try to light the pilot
by hand!
16. e burners should light with proper boiler operation.
17. e pilot and manifold pressures should match those listed
in Table 1. To adjust the manifold gas pressure see the “Gas
Pressure Adjustment” instructions in the “CHECKING AND
ADJUSTMENTS” section.
Table 1 Pilot & Manifold Settings
Natural Gas
inches W.C. mm W.C.
Low Fire 1.5 ± .02 33 ± 5
High Fire 2.5 ± 0.2 63 ± 5
LP Gas
inchesW.C. mm W.C.
Low Fire 3.9 +/- 0.2 99 ± 5
High Fire 9.3 +/- 0.2 236 ± 5
Instructions De Mise En Marche
1. ARRÊTEZ! Lisez les instructions de sécurité sur la portion
supérieure de cee étiquee.
2. Réglez le thermostat à la température la plus basse.
3. Coupez l'alimentation électrique de l'appareil.
4. Cet appareil est muni d'un dispositif d'allumage qui allume
automatiquementla veilleuse.Netentezpasd'allumerlaveilleuse
manuellement.
5. Fermer la vanne manuelle d'arrêt d'alimintation de gaz.
6. Aendre cinq (5) minutes pour laisser échapper tout le gaz.
Reniez tout autour de l'appareil, y compris près du plancher,
pour déceler une odeur de gaz. Si vous sentez une odeur de gaz,
ARRÊTEZ! Passez à l'étape B des instructions de sécurité sur la
portion supérieuredeceeétiquee.S'iln'yapasd'odeur de gaz,
passez à l'étape suivante.
7. Ouver la vanne manuelle d'arrêt d'alimintation de gaz.
8. Meez l'appareil sous tension.
9. Réglez le thermostat à la température désirée.
10. Si l'appareil ne se met pas en marche, suivez les instructions
intitulées couper l'admission de gaz de l'appareil et appelez un
technicien qualié ou le fournisseur de gaz.
To Turn O Gas To Appliance
1. Set the operating control or thermostat to its lowest seing.
2. Turn o all electric power to the appliance if service is to be
performed.
3. Close the manual main valves.
COUPER L'ADMISSION DE GAZ DE L'APAREIL
1. Réglez le thermostat à la température la plus basse.
2. Coupez l'alimentation électrique de l'appareil s'il faut procéder
à l'entretien.
3. Fermer la vanne manuelle d'arrêt d'alimintation de gaz.