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2    OM-NGB

IMPORTANT - READ FIRST - IMPORTANT

WARNING:  

THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED 

TO WORK WITH GAS, ELECTRICITY AND PLUMBING. 

IMPROPER INSTALLATION CAN CAUSE INJURY TO 

PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT. 

THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH 

APPLICABLE CODES.

NOTICE: 

LEVEL THE UNIT BEFORE USE.  IT MAY BE PITCHED 

SLIGHTLY TO THE REAR.

CAUTION:  

AN ELECTRICAL GROUND IS REQUIRED.

CAUTION:  

DO NOT LOCATE THE BOILER CABINET DIRECTLY OVER A 

FLOOR DRAIN OR FLOOR SINK. HUMIDITY OR WATER FROM 

A DRAIN WILL DAMAGE ELECTRICAL PARTS OF THE UNIT.

WARNING:  

TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING 

DIAGRAM EXACTLY WHEN CONNECTING A UNIT.

CAUTION:  

DO NOT USE PLASTIC PIPE. DRAIN MUST BE RATED FOR 

STEAM AND BOILING WATER.

WARNING:  

DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING 

DRAIN.

WARNING:  

BLOCKING THE DRAIN MAY BE HAZARDOUS.

IMPORTANT:  

IMPROPER DRAIN CONNECTION WILL VOID WARRANTY.

WARNING:  

ALLOW COOKING CHAMBERS TO COOL BEFORE CLEANING.

WARNING:  

CAREFULLY READ THE WARNINGS AND FOLLOW 

THE DIRECTIONS ON THE LABEL OF EACH CLEANING 

AGENT. USE SAFETY GLASSES AND RUBBER GLOVES AS 

RECOMMENDED BY DELIMING AGENT MANUFACTURER.

WARNING:  

DO NOT MIX DE-LIMING AGENTS (ACID) AND DE-GREASERS 

(ALKALI) IN THE STEAM GENERATOR OR ON THE COOKING 

CHAMBER WALLS.

NOTICE:  

DO NOT USE A CLEANING OR DE-LIMING AGENT THAT 

CONTAINS ANY SULFAMIC ACID OR ANY CHLORIDE, 

INCLUDING HYDROCHLORIC ACID (HCL). IF THE CHLORIDE 

CONTENT OF ANY PRODUCT IS UNCLEAR, CONSULT THE 

MANUFACTURER.

NOTICE:  

DO NOT USE A DE-GREASER THAT CONTAINS POTASSIUM 

HYDROXIDE OR SODIUM HYDROXIDE OR THAT IS HIGHLY 

ALKALINE.

WARNING:  

USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE 

SUPPLIED BY THE MANUFACTURER OR THEIR AUTHORIZED 

DISTRIBUTOR VOIDS ALL WARRANTIES AND CAN CAUSE 

BODILY INJURY TO THE OPERATOR AND DAMAGE THE 

EQUIPMENT. SERVICE PERFORMED BY OTHER THAN 

FACTORY-AUTHORIZED PERSONNEL WILL VOID ALL 

WARRANTIES.

WARNING:  

HIGH VOLTAGE EXISTS INSIDE CONTROL COMPARTMENTS. 

DISCONNECT POWER SOURCE BEFORE SERVICING. 

FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR 

DEATH.

WARNING:  

DO NOT EXPOSE SKIN TO ESCAPING STEAM. SEVERE 

BURNS CAN RESULT.

CAUTION: 

MAKING ANY ELECTRICAL OR MECHANICAL CHANGE IN 

THE UNIT WITHOUT PRIOR WRITTEN APPROVAL FROM 

ENGINEERING WILL VOID ALL WARRANTIES.

WARNING: 

ALL POTENTIAL USERS OF THE EQUIPMENT SHOULD 

BE TRAINED IN SAFE AND CORRECT OPERATING 

PROCEDURES.

WARNING: 

DO NOT OPERATE THE UNIT UNLESS ALL REMOVABLE 

PANELS (RIGHT, LEFT, FRONT AND REAR) HAVE BEEN 

PROPERLY INSTALLED.

WARRANTY

Congratulations on the purchase of your new Unified Brands equipment. We hope you 
enjoy many years of reliable service in connection with the same. Please review all of 
the important safety and operational information contained in the Operator’s Manual 
for this equipment before it is placed in service. If you have any questions related to 
equipment set up, operations, or service, please call 888-994-7636.
In addition, please review the sales terms and conditions set forth below.

*****IMPORTANT NOTICE*****

WARRANTIES, LIMITATIONS ON WARRANTIES, AND LIMITATION OF REMEDIES

The following Warranties, Limitation on Warranties, and Limitation of Remedies are 
included in the terms of sale for this product. Please read this entire warranty and all 
warranty modifications, disclaimers, and limitations of remedies set forth herein before 
accepting or using this equipment or product. Customer acknowledges and accepts 
the provisions of this notice by Customer’s acceptance and use of the product. If these 
provisions are not acceptable and agreed to by Customer, then please return this 
product in its unused condition to Unified Brands or a Unified Brands authorized dealer.
UNIFIED BRANDS warrants this product against defects in material and workmanship 
under normal use and services for which this product was designed. This warranty 
runs only to the original end user and is in lieu of any other liability for defects. 
THE WARRANTIES EXPRESSED IN THESE TERMS AND CONDITIONS ARE IN PLACE 
OF ANY AND ALL OTHER EXPRESS WARRANTIES (UNLESS SEPARATELY STATED IN 
PRINTED MATERIAL PREPARED BY US DESCRIBING OUR EQUIPMENT) AND EXCLUDE 
ALL IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF 
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE; NOR ARE THERE 
ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, BY OPERATION OF LAW OR 
OTHERWISE. In no event shall UNIFIED BRANDS be liable for damages or delay or 
for any consequential, special or contingent damages arising out of any breach of 
our warranty, whether or not we have knowledge of specific needs or our employees 
or agents have given any specific assurances. Anyone claiming that there has been 
a breach of warranty by UNIFIED BRANDS must give us written notice within THIRTY 
(30) days after discovery of the relevant defect or the right to assert such claim will 
have been waived conclusively and provided further that any such claim must also be 
asserted within the general warranty period for such equipment and/or parts.
UNIFIED BRANDS will not be liable for any expense incurred without our prior written 
authorization for alterations made outside of our factory or for repairs which are 
not performed by UNIFIED BRANDS authorized service departments using UNIFIED 
BRANDS factory parts. Nor shall we be responsible for the performance of equipment 
as to which any repairs, revisions or alterations have been made by others.
THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE EXCLUSIVE LIABILITY OF 
UNIFIED BRANDS OR ANY SELLER OF UNIFIED BRANDS PRODUCTS, FOR ANY AND ALL 
CLAIMS, LOSSES, INJURIES, OR DAMAGES (INCLUDING CLAIMS BASED ON BREACH 
OF WARRANTY, CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY, OR OTHERWISE) 
RESULTING FROM OR ARISING OUT OF THE USE OF HANDLING OF THIS PRODUCT, 
SHALL BE THE RETURN OF THE PURCHASE PRICE OR AN AMOUNT NOT TO EXCEED 
THE ORIGINAL PURCHASE PRICE OF THE PRODUCT OR, AT THE ELECTION OF UNIFIED 
BRANDS OR THE SELLER, THE REPLACEMENT OF THE PRODUCT.

https://unifiedbrands.net/
Groen-Warranty-Information

Summary of Contents for Groen CNGB-24

Page 1: ...ING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installi...

Page 2: ...6 In addition please review the sales terms and conditions set forth below IMPORTANT NOTICE WARRANTIES LIMITATIONS ON WARRANTIES AND LIMITATION OF REMEDIES The following Warranties Limitation on Warra...

Page 3: ...NATIONAL FIRE PROTECTION ASSOCIATION 60 Batterymarch Park Quincy Massachusetts 02269 NFPA 70 The National Electrical Code NFPA 54 Installation of Gas Appliances Piping NFPA 96 Ventilating Hoods NSF I...

Page 4: ...he boiler is constructed of 1 4 thick steel which is certified by the American Society of Mechanical Engineers ASME for pressure vessels All welds are hydrostatically tested The boiler is also equippe...

Page 5: ...The water going to the steam generator should be within these guidelines WATER QUALITY REQUIREMENTS Containment Water Supply pH 7 to 9 Total Dissolved Solids TDS 30 to 60 ppm Hardness less than 60 pp...

Page 6: ...g system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 PSI 3 45 kPA 1 Gas Supply Connection a...

Page 7: ...If it is over 60 PSI a pressure regulator is required A strainer screen at the connection is also recommended to trap any debris before it can enter the system c The boiler uses a maximum of 12 9 gal...

Page 8: ...o repeat the trial for ignition 5 Turn the on off switch on the cabinet front panel to the ON position The amber light in the switch will come on The boiler drain valve will close The unit will fill w...

Page 9: ...cally stop the gas flow and terminate the ignition trial If ignition is terminated turn the switch off and then ON again to repeat the trial Normally the pilot should light within five seconds of turn...

Page 10: ...ce the pressure has reached 9 1 2 PSI the main burner will be shut off by an operating pressure switch Residual heat stored in the boiler s heat exchanger can however cause the pressure to continue to...

Page 11: ...boiler The valve is located under the boiler 3 Close the manual drain valve 4 Turn off water supply to the boiler 5 Allow the boiler to cool This takes several hours so it is recommended that you cool...

Page 12: ...doors 19 Turn the on off switch OFF and slowly open the manual drain valve 20 When the boiler has drained completely close the manual drain valve and turn the on off switch to ON to fill the boiler w...

Page 13: ...ck of the following will help prevent down time and ensure continued efficient operation 1 Pressure gauge operation 2 Proper water level gauge 3 Strainer in water feed line clear 4 Air inlets for gas...

Page 14: ...an 60 PSI Authorized Service Rep Only c Is the Water Level Control Board defective Check for loose electrical connections on hi water fill solenoid X d Is the water fill solenoid valve defective X Che...

Page 15: ...ilds pressure but shuts down RESET light comes on User a Is the water level below the mid water level probe Verify that the water supply is sufficient to maintain the water level at or above the mid w...

Page 16: ...a Main Burner Assy 0 2000 Ft Elev Incl 29 Gas Jets W 54 Drill Dia Hole For Natural Gas 047267 7a Main Burner Assy 0 2000 Ft Elev Incl 29 Gas Jets W 68 Drill Dia Hole For Propane Gas 050491 8 Gas Valve...

Page 17: ...ssure Relief Valve 12PSI 099228 7 Water Level Probes lo med hi 076526 8 Solenoid Valve Water in 099220 9 Check Valve 004187 10 Air Vent 145167 11 Vacuum Breaker 090787 12 Globe Valve 1 2 NPT 099255 13...

Page 18: ...l Block 2 Pole 003887 Bushing Snap 11 16 ID 012864 7 Circuit Board Support 099292 8 Water Level Control Board Assembly 116016 9 Lug Ground 14 6 AWG 119829 10 Circuit Breaker 119860 11 Transformer 75VA...

Page 19: ...D 11 WHITE P1 J1 1 TSTAT DRAIN VALVE 1 2 2 T1 LO 14 5 PSI OPERATING PRESSURE GAS VALVE 7 YELLOW 8 BLACK C HL 12 BLACK 10 BLACK 9 RED C PS SW H C G BLACK YELLOW BLUE WHITE 4 BLACK 6 BROWN 5 BLUE 3 BROW...

Page 20: ...20 OM NGB Service Log Model No Purchased From Serial No Location Date Purchased Date Installed Purchase Order No For Service Call Date Maintenance Performed Performed By...

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