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Mestek IIEB-11, Installation & Parts Manual

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Mestek IIEB-11 Installation & Parts Manual Download Page 24

24

IDENTIFICATION OF PARTS

BLOWER UNIT HEATERS

1. HEAT EXCHANGER
2. FLUE COLLECTOR
3. BURNER DRAWER

Figure 20 - Internal Furnace Components

Figure 21 - Burner Assembly Parts

Figure 19 - Component Parts (Bottom View)

MOTOR

GAS VALVE

IGNITOR

ELECTRIC

LIGHTING INSTRUCTIONS/
DATA PLATE

PILOT ACCESS DOOR/ 
OBSERVATION 
PORT

BELT GUARD

BURNER DRAWER 

COMPARTMENT

MAIN BURNERS

BLOWER 

WHEEL/HOUSING

CARRYOVER

SPARK LEAD CABLE

Summary of Contents for IIEB-11

Page 1: ...l operate and maintain unit in accordance with manufacturer s instructions to avoid exposure to fuel substances or substances from incomplete combustion which can cause death or serious illness The st...

Page 2: ...bled high static pressure type centrifugal blower unit designed for heavy duty applications such as continuous operation or where a single unit heater must do the entire heating job in a large area Th...

Page 3: ...ly with the general safety information may result in extensive property damage severe personal injury or death This product must be installed by a licensed plumber or gas fitter when installed within...

Page 4: ...94 1295 1295 1226 1295 1295 E Hanging Distance Width 14 1 2 17 1 4 17 1 4 20 22 3 4 25 1 2 28 1 4 33 3 4 39 1 4 44 3 4 368 438 438 508 578 648 718 857 997 1137 F Discharge Opening Width 15 3 8 18 1 8...

Page 5: ...as ignition system the unit heater must be installed such that the gas ignition control system is not directly exposed to water spray rain or dripping water NOTE Location of unit heaters is related di...

Page 6: ...r and can actually drip water down from the unit heater onto floor surface Additional unit heaters should be installed if a minimum 50 F 10 C thermostat setting cannot be maintained AIR FOR COMBUSTION...

Page 7: ...1 3 54 3 34 3 11 2 92 2 63 2 38 2 18 2 04 1 1 049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 19 3 13 2 10 6 9 06 8 07 7 36 6 80 6 23 5 80 5 52 4 96 4 53 4 11 3 82 1 1 4 1 380 1400 950 770...

Page 8: ...al gas applications install a pressure regulating valve in the line upstream from the main shutoff valve 3 Adequately support the piping to prevent strain on the gas manifold and controls 4 To prevent...

Page 9: ...ER ASSEMBLY FOR THE 100 250 UNITS CONSISTS OF 1 WHEEL 1 HOUSING 1 SHAFT AND 1 BEARING SET FOR 300 400 UNITS THE BLOWER ASSEMBLY CONSISTS OF 2 WHEELS 2 HOUSINGS 1 SHAFT AND 1 BEARING SET Figure 7 Motor...

Page 10: ...ase motors require a contactor or starter if specified 4 Motor frame must not exceed NEMA frame 56 Average value all speeds and frequencies 10 327 345 362 380 397 414 431 448 466 483 500 518 535 552 5...

Page 11: ...re to disconnect power before servicing can cause severe personal injury or death Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor name plate and electrica...

Page 12: ...16 for special installation requirements regarding these venting conditions CARBON MONOXIDE Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting...

Page 13: ...feet 1 2m from electric meters gas meters regulators and relief equipment Seal ALL vent pipe joints and seams to prevent leakage Use General Electric RTV 108 or Dow Corning RTV 732 silicone sealant or...

Page 14: ...14 Figure 13 Figure 14...

Page 15: ...15 Figure 15 Figure 16...

Page 16: ...fan switch delays the operation of the fan until the heater is warmed then keeps the fan running after the gas has been turned off until the useful heat has been removed The start up fan delay must no...

Page 17: ...4 BURNER SPRINGS 5 MAIN BURNER ORIFICE 6 TRANSFORMER 7 PILOT TUBING CONTROLS REFER TO UNIT WIRING DIAGRAM 8A MAIN GAS VALVE HONEYWELL 8B MAIN GAS VALVE WHITE RODGERS 9 HONEYWELL IGNITOR 10 HONEYWELL...

Page 18: ...old pressure of 3 5 inches W C 0 9 kPa Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However field adjustment may be made as follows a Attach manomet...

Page 19: ...3 A proper pilot flame is a soft steady flame that envelopes 3 8 to 1 2 inch 9 5 to 12 7mm of the flame sensor tip 4 Replace the pilot adjustment cap PERIODIC SERVICE NOTICE It is recommended that the...

Page 20: ...e and replace Refer to Operation 1 Close air shutter Refer to Operation 2 Check with local gas supplier for proper orifice size and replace Refer to Operation 1 Close air shutter 2 Reduce pilot gas Re...

Page 21: ...and correct 5 Replace gas valve 6 Refer to Operation 1 Tighten all electrical connections 2 Adjust thermostat heat anticipator for longer cycles Refer to Operation 3 Check for proper air supply acros...

Page 22: ...late rating check voltage replace fan motor if defective 4 Refer to label on motor 1 Check all wiring 2 Refer to H or N symptoms 3 Replace fan switch 1 Refer to Operation 2 This is especially true whe...

Page 23: ...Check motor amps against motor name plate rating check voltage replace power venter motor if defective 4 Refer to label on motor 1 Check all wiring 2 Refer to H N symptoms 3 Replace venter relay X Pil...

Page 24: ...e 20 Internal Furnace Components Figure 21 Burner Assembly Parts Figure 19 Component Parts Bottom View MOTOR GAS VALVE IGNITOR ELECTRIC LIGHTING INSTRUCTIONS DATA PLATE PILOT ACCESS DOOR OBSERVATION P...

Page 25: ...400 units 6 dia flue outlet Increaser required To be supplied by manufacturer 25 REF NO DESCRIPTION 1 Blower Housing Assembly 2 Speed Nut 3 Motor 4 Washer Plain 5 Plate Adapter 6 Blower Wheel 7 Mounti...

Page 26: ...from the Power Venter Blower Housing Item 8 6 Remove the Blower Wheel Item 9 from the motor shaft by removing the set screw Item 14 using a 1 8 Allen Wrench 7 Remove the three Motor Mounting Nuts Item...

Page 27: ...uctions or has been altered or modified in any way by any unauthorized person b to any expenses including labor or material incurred during removal or reinstallation of the Product c to any damage due...

Page 28: ...contact your wholesaler or rep DO NOT START this equipment unless you fully understand the controls GAS EQUIPMENT START UP GENERAL With power and gas off Make certain all packing has been removed Tigh...

Page 29: ...1 HP w Contactor S 1 HP w Magnetic Starter G 1 1 2 HP w Contactor T 1 1 2 HP w Magnetic Starter H 2 HP w Contactor U 2 HP w Magnetic Starter J 1 4 HP W 1 4 HP w Magnetic Starter K 1 3 HP Y 1 3 HP w M...

Page 30: ...NOTES 30...

Page 31: ...NOTES 31...

Page 32: ...260 NORTH ELM ST WESTFIELD MA 01085 TEL 413 568 9571 FAX 413 562 8437 www mestek com...

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