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Printed in USA

8471 91

ISO

9001

 C

O MPAN

Y

R

E

G

IS T ER

E

D

!

MADE

 in the 

USA

Keep for your records

Model Number

Serial Number

Installation Date

Purchased from - Name:

Address

City, State, Zip

TO VALIDATE WARRANTY:

FILL OUT THE FORM ON THE LAST PAGES AND RETURN TO MIDCO INTERNATIONAL

Warranty

14

MADE

 in the 

USA

As an ISO 9001:certifi ed company, we proudly design, manufacture and assemble our products in Chicago, Illinois, USA.

Midco

®

 International Inc. - 

4140 West Victoria Street - Chicago, Illinois 60646 - toll free: 866 705 05148478

tel:  773.604.8700 - fax: 866.580.8700 - web: 

www.midcointernational.com

 - e-mail: 

sales@midcointernational.com

Warranty

Midco

®

 International Inc Limited Warranty Policy 

Exclusions Terms, Customer Requirements and Instructions

Products manufactured by Midco International Inc. (hereinafter Midco) are guaranteed to be free from defects in workmanship and 
materials, under normal use and service, 

for a period of twelve (12) months from the date of installation, or 18 months from 

date of manufacture or whichever occurs fi rst.

If a part is defective due to workmanship or materials and the part is removed from the product within the applicable warranty period 
and returned to Midco in accordance with the procedure described below, Midco will at its option either repair or replace the part. 
This warranty extends only to persons or organizations who purchase products for resale. The warranty does not cover labor and/
or freight.

The  expressed  warranty  above  constitutes  the  entire  warranty  of  Midco  with  respect  to  the  products  in  its  publications  and  is 
IN  LIEU  OF ALL  OTHER  WARRANTIES,  EXPRESSED  OR  IMPLIED,  INCLUDING ANY  WARRANTY  OF  MERCHANTABILITY 
OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MIDCO BE RESPONSIBLE FOR ANY 
CONSEQUENTIAL DAMAGES OF ANY NATURE WHATSOEVER.

Instructions for returned goods are as follows: 

The following will apply to the return of any products to Midco International Inc. 

under this warranty:

Parts must be:

a.  Identifi ed with Midco’s *Return Authorization Number -(RAN) 
*(Available only directly from Midco. Contact Customer Service 
to obtain a tag.)
b.  Protected from shipping damage.
c.  Received transportation pre-paid at:
      Midco International Inc.
      Return Goods Dept.
      4140 West Victoria Street
      Chicago, Illinois 60646-6727
d.  Found by Midco’s inspection to be defective in workmanship 
or materials under normal use and service.
e.  Handled  in  accordance  with  one  of  the  two  following 
procedures, as specifi ed by the customer making the return:
  1. 

Credit  Procedure.

  If  replacement  part  was  purchased 

from Midco, credit will be issued at the net price in eff ect at the 
time  of  purchase  with  presentation  of  Midco’s  invoice  number 
and date.
  2. 

Repair  or  Replacement  Procedure.

  Midco  will,  at 

its  option,  either  repair  or  replace  the  part  free  of  charge  and 
return it or its replacement lowest cost transportation pre-paid. 
The replacement will be, at Midco’s option, either a functionally 
equivalent new or replacement product. Premium transportation 
will be used at customer’s request and expense.
 

Note:  All  Midco  burners  have  a  specifi cation  plate  showing 
Model,  Bill  of  Material  and  Serial  No./Date  Code  numbers. All 
three (3) numbers must be shown on your Midco Return Goods 
Tag.  The  Serial  No./Date  Code  is  necessary  to  determine 
Warranty  coverage.  For  example:  2898  indicates  that  the  unit 
was manufactured in the 28th week of 1998. If the Date Code 
is  beyond  the  Warranty  period,  a  receipt  or  invoice  showing 
purchase, delivery or installation date is required.

Final  disposition  of  any  warranty  claim  will  be 
determined solely by Midco.

 If an inspection by Midco 

does  not  disclose  any  defect  covered  by  this  warranty,  the 
product  will  be  returned,  scrapped,  repaired,  or  replaced  as 
instructed by the customer. Products returned to the customer 
will be sent shipping charges collect.

If you have any questions relative to product returns to Midco, 
call, write or e-mail:
      Midco International Inc.
      Warranty Returns/Customer Service Manager
      4140 West Victoria Street
      Chicago, Illinois 60646-6727
      tel 773.604.8700
      fax 773.604.4070
      email returns@midcointernational.com
      web www.midcointernational.com 

Call the factory for Instructions on returned goods. No equipment may be returned without written authorization from MIDCO. 
Returned goods must be shipped prepaid to the factory.

 

 

WARNING: Improper installation and use of this product could result in personal or property injury.

319

Summary of Contents for LNB 1000 Series

Page 1: ... result in minor personal injury or product and property damage BURNER MODEL ______________________________________ BILL OF MATERIAL NUMBER ______________________________________ SERIAL NUMBER ______________________________________ WIRING DIAGRAM ______________________________________ FOR SERVICE CONTACT Name _______________________________________________ Address _________________________________...

Page 2: ...et the changing emission requirements required today LNB With Chamber LNB 500 LNB 1000 MIN VELOCITY 1000 FPM 1000 FPM MAX VELOCITY 3500 FPM 3500 FPM COMBUSTION AIR 125 CFM 250 CFM MIN CHAMBER INSERTION DEPTH 4 5 4 5 MAX CHAMBER INSERTION DEPTH 25 0 25 0 FIRING RATE NATURAL 2 LNB 500 LNB 1000 Push Through Pull Through Push Through Pull Through MIN MBH 3 100 125 150 225 MAX MBH 3 500 500 1000 1000 G...

Page 3: ...hamber is more than 28 a bottom profile plate may be required 3 Any component for example motor blower baffle etc should be 18 away from the chamber 4 3 o clock arrangement is preferred 5 For more information or special requirement please contact our Midco sales engineering team I Installation Continued P MV 5 ENCIRCLED SPARK IGNITION CONTROLLER P TERMINAL ON RTC BOARD SOLID WIRING AND COMPONENTS ...

Page 4: ...pens in high fire P30 Prepurging P36 Actuator closes to ignition position P38 Preignition Sparking P40 Ignition Gas valve on P44 End of safety time oP Operation modulating operation oP Present output FL Flame current Loc Lockout BLOWER MOTOR SPEED CONTROL W BL R Y BLOWER MOTOR POWER SUPPLY G R BK M 4 P74 Post purging G 6 9 4 BK BL TEMPERATURE CONTROL 0 10 VDC BL 7 BL X10 06 1 2 3 X10 05 2 1 4 5 X4...

Page 5: ...MADE in the USA Part 1 Installation 8471 91 Midco International Inc 5 Chart 1 Siemens Control Lock Codes Error Code List Siemens Control Lock Codes II Wiring Continued ...

Page 6: ...6 Midco International Inc 8471 91 MADE in the USA Part 1 Installation Chart 2 Siemens Control Display of Flame Current Siemens Control Display of Flame Current II Wiring Continued ...

Page 7: ... International Inc 8471 91 MADE in the USA Part 1 Installation __________________________________________ Chart 3 Siemens Control Sequence of Operation Siemens Control Sequence of Operation II Wiring Continued ...

Page 8: ...ner Startup section V for operating instructions III Piping Figure 4A Piping LNB 500 Standard PRE ASSEMBLED SECTION EBM RG175 2000 3633 BLOWER 8435 30 BLOWER INLET KIT 8416 22 DUNGS 3 4 RATIO GOVERNOR 8416 21 1 UNION 8493 06 3 4 QUICK ACTUATED BALL VALVE 8404 37 3 4 x 2 NIPPLE 8488 02 3 4 x 3 NIPPLE WITH ORIFICE 5246 85 3 4 x 2 NIPPLE 8488 02 3 4 SOLENOID VALVE 24 V 8402 35 3 4 x 2 NIPPLE 8488 02 ...

Page 9: ...E 600 0 MANOMETER EBM G1G170 AB05 20 BLOWER 8435 23 BLOWER INLET KIT 8416 18 DUNGS 1 RATIO REGULATOR ZERO GOVERNOR 8416 04 1 UNION 8493 06 1 x 3 NIPPLE 5246 64 1 x 2 NIPPLE 8488 52 1 SOLENOID VALVE 24 V 8402 36 1 x 2 NIPPLE 8488 52 1 T HAND MAIN MANUAL GAS BALL VALVE 8404 29 1 REGULATOR RV61 8416 33 1 SOLENOID VALVE 24 V 8402 36 1 x 4 NIPPLE WITH PRESSURE TAP 5243 46 1 x 3 NIPPLE 8488 61 FUEL GAS ...

Page 10: ...e inlet of first solenoid gas valve 27 Inlet pressure to side inlet of first solenoid gas valve at high fire should be 5 WC 28 Readjust main gas pressure regulator if required 29 Check differential gas pressure at barb fittings 30 Differential gas pressure should be 1 8 WC for high fire 31 To adjust high fire final setting the manual valve downstream of Dungs valve can be closed slightly LNB with Fenwal Co...

Page 11: ... barb fitting in order to hook up the required tubing to the differential gas pressure manometer Set temperature control below booth temperature so burner will light and stay lit at low fire or remove DCV wiring from RTC board Energize burner power switch The burner blower will be energized and start sequence will begin Once the main flame is established the burner will start at low fire The gas pressu...

Page 12: ...M blower ignition and flame sensing assembly burner chamber and burner head should be inspected Turn off the main gas manual valve and main panel disconnect to insure unit will not start Remove the flame sensor wire spark cable and wiring harness attached to the EBM blower To inspect the blower inlet loosen the union between the Ratio Regulator Zero Governor valve and blower Loosen the four 4 bolts a...

Page 13: ...ly 1 1 2 1 15 32 SIDE VIEW 13 Inside Collar 14 Figure 5 Direct Spark Ignitor Assembly FRONT VIEW NOTE Flame rod tip angled to the side FROM TIP TO TIP 5 32 0 01 GAP 6 5 4 3 2 11 10 9 8 7 12 1 Item Part Description Qty 1 Hardware 8 32 X 5 16 Socket Head Cap Screw 4 2 5246 45 Ignition Assembly Weldment Spk 1 3 8432 21 O Ring 1 2 X 11 16 X 3 32 1 4 5246 22 Ignition Flame Assembly Plate 1 5 5246 48 Ig...

Page 14: ... tag b Protected from shipping damage c Received transportation pre paid at Midco International Inc Return Goods Dept 4140 West Victoria Street Chicago Illinois 60646 6727 d Found by Midco s inspection to be defective in workmanship or materials under normal use and service e Handled in accordance with one of the two following procedures as specified by the customer making the return 1 Credit Proce...

Page 15: ... scrapped repaired or replaced as instructed by the customer Products returned to the customer will be sent shipping charges collect Call factory for information 866 705 0514 Fill out form and fax to 866 580 8700 or copy and mail to Midco International Inc 4140 West Victoria Street Chicago Illinois 60646 Date of Purchase End User Name Company Name Street Apt No City State Zip E mail Address Web Ad...

Page 16: ...inted in USA 8471 91 As an ISO 9001 certified company we proudly design manufacture and assemble our products in Chicago Illinois USA Midco International Inc 4140 West Victoria Street Chicago Illinois 60646 toll free 866 705 05148478 tel 773 604 8700 fax 866 580 8700 web www midcointernational com e mail sales midcointernational com 319 ...

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