Summary of Contents for Brock GUARDIAN Series
- Page 1 GUARDIAN® Series CDH Downstream Heater Installation and Specifications/Owner-Operator’s Manual October 2007 MFH1800C...
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Page 2: Warranty
(a) The product must be installed and operated in accordance with instructions published by the Manufacturer or Warranty will be void. (b) This product must be purchased from and installed by an authorized Brock Dealer or the Warranty will be void. (c) Malfunctions or damage resulting from misuse, abuse, negligence, alteration, accident, or lack of proper maintenance shall not be considered defects under this Warranty. -
Page 3: Table Of Contents
Contents Topic Page Warranty ............2 General . -
Page 4: General
Manual. Dealers: Please provide the Customer with the information to complete the easy reference below. Dealer or Customer: Complete the following information about your BROCK® product. Store this Manual in a safe, dry place for future reference. -
Page 5: Safety
Keep this Manual in a safe, dry place where the Heater Operator can easily obtain it. Contact your BROCK Dealer to replace a Manual should it become lost or damaged. CAUTION! For operation and use of your Heater, read and understand this Manual. - Page 6 SAFETY BROCK® GUARDIAN® CDH Downstream Heater SAFETY Check all equipment for DANGER and WARNING Decals, and Fuel Labels and their proper placement, before equipment is OPERATED. Never use equipment if Decals are missing, improperly placed, damaged or altered. If the SAFETY Decals are not properly placed or if they are in any way damaged or altered, call the Manufacturer for immediate replacement.
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Page 7: Operator Electrical Safety
BROCK® GUARDIAN® CDH Downstream Heater SAFETY SAFETY Operator Electrical SAFETY DANGER! Electricity can KILL! Use extreme CAUTION around electrical components. Failure to follow these instructions will result in death or serious injury. DANGER Decal 0-48354 in Figure 2 is located on the Control Box of the Heater as also shown in Figure 1. -
Page 8: Electrical Installation Requirements
Standard NFPA No. 70, American National Standard Inst. ANSI-C1, and local requirements. BROCK assumes no responsibility for the electrical wiring used with this Heater. BROCK will not be liable for damage to the Heater because of improper electrical installation or use. IMPORTANT! -
Page 9: Safety Near Hot Surfaces • Safety Near Combustible Fuels
BROCK® GUARDIAN® CDH Downstream Heater SAFETY SAFETY SAFETY Near Hot Surfaces WARNING! If the Heater has been in operation, avoid contact with the Heater surface, flame and ignition components until these parts have had sufficient time to cool. Failure to follow this WARNING could cause serious injury. -
Page 10: There Are Suffocation Hazards In Flowing Grain
SAFETY BROCK® GUARDIAN® CDH Downstream Heater SAFETY There are Suffocation Hazards in Flowing Grain! DANGER! Be aware that where Heaters are installed in conjunction with Grain Bins, there are other hazards involved. ONLY AUTHORIZED PERSONNEL should enter a Heater or Grain Bin area. -
Page 11: About This Manual
Failure to follow proper operational procedures may cause personal injury or equipment damage . Contact your BROCK Dealer to replace this Manual should it become lost or damaged. Warranty information is included on the inside front cover of this Manual. -
Page 12: Identification Of Parts And Hardware
About This Manual BROCK® GUARDIAN® CDH Downstream Heater Identification of Parts and Hardware IMPORTANT! No hardware substitutions are permitted unless noted. Diagrams are provided throughout this Manual to identify Parts and Hardware used in that application. • Parts and basic components are identified in Figures and their accompanying Tables as “Items”... -
Page 13: Heater Parts Identification
BROCK® GUARDIAN® CDH Downstream Heater Heater Parts Identification Heater Parts Identification General Heater WARNING -FLAME and HOT surfaces inside cover may cause serious injury. -Do not operate with cover removed. -Disconnet power & allow to cool before servicing. 0-48693 END VIEW Figure 10. -
Page 14: Controls
Heater Parts Identification BROCK® GUARDIAN® CDH Downstream Heater Controls 8 10 12 Item Description Box, Elec Ax Lid, Elec Box 14x16 Blk Panel, Elec. Mounting, AXH Xfmr, Ign 175va 120v-60000v 60h Base, Burner Control Control, Burner 115v Flame Rect LME69... -
Page 15: Pre-Installation Planning
BROCK® GUARDIAN® CDH Downstream Heater Pre-Installation Planning Pre-Installation Planning Tools and Equipment Needed WARNING! Inventory all tools and pieces of hardware near the Heater during installation or servicing. Tools left inside in the Heater could cause personal injury or equipment damage. -
Page 16: Heater Dimensions
Pre-Installation Planning BROCK® GUARDIAN® CDH Downstream Heater Heater Dimensions Figure 12 shows dimensions for various Heater sizes. Use these Figures, along with the Heater dimensions, to plan the foundation position before it is installed and before Heater openings in the Transition Panels are cut. -
Page 17: Bin And Transition Inspection
Do NOT use anything for a Transition that would severely angle or disrupt airflow from the Heater into the bin. Ask your BROCK® Dealer about BROCK® Heater Transitions. If your BROCK® Transition has already been ordered, you will need to assemble it using the one of the following Manuals: •... -
Page 18: Foundation/Concrete Pad
Pre-Installation Planning BROCK® GUARDIAN® CDH Downstream Heater Foundation/Concrete Pad IMPORTANT! The Heater (and Fan) should be mounted on a level concrete pad that has been poured at a height determined by the Transition manufac- turer's instructions. DO NOT ATTACH the Fan or Heater to the pad. The Fan and Heater need to have the ability to move freely, therefore not putting the Transition in a bind. -
Page 19: Electrical Installation
(at the location where the emergency stop initiated) shall be required for the Heater(s) and associated equipment to resume operation. BROCK assumes no responsibility for the electrical wiring used with this Heater. BROCK will not be liable for damage to the Heater because of improper electrical installation or use. IMPORTANT! -
Page 20: Electrical Connection • Power Interlocking
115v controls, a 250va step-down Transformer may be required to reduce the control voltage. Consult the Fan manufacturer for recommendations. Control Transformer size - 380, 460v, and 575v GUARDIAN® Series BROCK® Fans are equipped with a 100va control Transformer. It must be changed to a 250va transformer to carry the Heater load. -
Page 21: Plenum Thermostat Requirements
Plenum Thermostat Requirements (Gray Board LME69) 1. A plenum Theromostat device is required to control temperature and operate the Heater safely. Use the recommended BROCK® thermostats and connect them to the terminals as shown in the Thermostat Chart below and the Wiring Diagram, Figure 18. -
Page 22: Heater Wiring Diagram
Electrical Installation BROCK® GUARDIAN® CDH Downstream Heater Heater Wiring Diagram Figure 18. 0-48714 Wiring MFH1800C... -
Page 23: Gas Connection
BROCK® GUARDIAN® CDH Downstream Heater Gas Connection Gas Connection General 1. Gas connections should be made by a qualified gas service person according to local fuel code for the appropriate fuel connection. 2. When using propane fuel, be sure the Tank is located away from the Burner the minimum distance required by all applicable local, state and national codes. -
Page 24: Operation: Intitial Startup Checks
Operation: Initial Startup Checks BROCK® GUARDIAN® CDH Downstream Heater Operation: Initial Startup Checks Initial Startup Check DANGER! Electricity can kill! Startup inspections MUST be done with the MAIN POWER LOCKED OUT. Failure to follow these instructions will result in serious injury or death. -
Page 25: Ignition Check • Plenum Temperature Controlling Thermostat Check
BROCK® GUARDIAN® CDH Downstream Heater Operation: Initial Startup Checks Ignition Check 1. Turn the Gas Valve ON and reset the Burner by holding down the illuminated button on the LME 69 board. Hold down for one (1) second but less than three (3) seconds. -
Page 26: Operation
Operation BROCK® GUARDIAN® CDH Downstream Heater Operation DANGER! DO NOT OPERATE the Heater with the Guard off. Failure to follow these instructions will result in death or serious injury. Severe personal injury may result if equipment is operated without the Guard properly installed/latched. -
Page 27: Operation
BROCK® GUARDIAN® CDH Downstream Heater Operation • The HI-FIRE Valve (V2) receives power only after the flame is proven and the trial for ignition period is completed (only on Heaters equipped with the hi/lo option). TRIAL for ignition LOCKOUT FAULT Light ON, PURGE (25 sec.) -
Page 28: Controls • Fan And Heater Shut Down
Operation BROCK® GUARDIAN® CDH Downstream Heater Controls ON/OFF Control - The Burner should periodically cycle ON and OFF. Increasing the fuel pressure will reduce the percentage of ON time. Reducing the fuel pressure will increase the percentage of ON time. -
Page 29: Fuel Specifications: Gas Pressure/Orifice Chart
BROCK® GUARDIAN® CDH Downstream Heater Operation Fuel Specifications: Gas Pressure/Orifice Chart MFH1800C... - Page 30 Operation BROCK® GUARDIAN® CDH Downstream Heater MFH1800C...
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Page 31: Maintenance And Service
BROCK® GUARDIAN® CDH Downstream Heater Maintenance and Service Maintenance and Service SAFETY Reminders Service and maintenance of Heaters must be done only by a qualified technician. DISCONNECT POWER prior to maintaining or cleaning the Heater! DANGER! Electricity can kill! Inspections MUST be done with the MAIN POWER LOCKED OUT. -
Page 32: Trouble Shooting
Trouble Shooting BROCK® GUARDIAN® CDH Downstream Heater Trouble Shooting 1. Green Power ON light does not illuminate. • Turn ON Burner Selector Switch. • ON / OFF Thermostat not calling for heat. Increase thermostat setting. • Plenum Hi Limit tripped on Hi-Lo fired units. Reset. - Page 33 BROCK® GUARDIAN® CDH Downstream Heater Trouble Shooting 4. Burner lights, runs 10 (ten) seconds, and then Faults. 1. Burner pressure too low / high to sense fire. Adjust pressure to appropriate range. 2. Flame wire not connected. Reconnect. 3. Ground to Burner is poor.
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Page 34: Parts Lists
Parts List BROCK® GUARDIAN® CDH Downstream Heater Parts List Housing CDH27- CDH27- CDH27 CDH3 CDH33 CDH33 CDH Housing Package 10-HP 15-HP -20-HP 0-HP -40-HP -50-HP Item Part No. Description Qty. 0-48738 Panel, TOP CDH27-10 0-48741 Panel, TOP CDH27-15 0-48744 Panel ,TOP CDH27-20... -
Page 35: Housing Assmebly
BROCK® GUARDIAN® CDH Downstream Heater Parts List Housing Assembly Figure 22. Figure 23. Housing MFH1800C... -
Page 36: Plumbing Assemblies, 1'' And 3/4
Parts List BROCK® GUARDIAN® CDH Downstream Heater Plumbing Figure 24. Standard 3/4'' Plumbing Assembly 0-48780 Item Part No. Description Qty. 0-48638 Valve, Sol 3/4'' Npt 120v 0-48647 Pipe, 3/4'' x 2 1/2'' Sch 40 0-48656 Tee, 3/4'' x 3/4 x 1/4 Sch 40... -
Page 37: Intake Plumbing Assembly • Regulator Assembly
BROCK® GUARDIAN® CDH Downstream Heater Parts List Figure 26. Intake Plumbing Assembly 0-48709 Item Part No. Description Qty. 0-48636 Valve, Sol 1/4 Npt 120v (Liquid) 0-48658 Nipple, 1/4 X 1 1/2 Sch 80 0-48654 Bushing, 1/2 To 1/4 Sch 80... -
Page 38: Vaporizer Assembly
Parts List BROCK® GUARDIAN® CDH Downstream Heater Figure 28. CDH Vaporizer Package 0-48778 Item Part No. Description 0-48708 Assembly, Regulator AXH 0-48709 Assembly, Intake Plumbing AXH 0-48561 Coil, Vaporizer 0-48763 Bracket, Vaporizer Support CDH 0-48677 Bolt, U 5/16''-18 x 1 x 2.19 zc 39-48112 Bolt, Hex wh Serrated 5 5/16-18 x 3/4'' zc 39-48113 Nut, Hex Flange Serrated 5/16''-18 zc”... -
Page 39: Burner Assemblies
BROCK® GUARDIAN® CDH Downstream Heater Parts List Burner Assemblies Figure 29. Two-Rung Downstream Assembly 0-48736 Item Part No. Description 0-48734 Weldment, Two-Rung Downstream 1190-00034 Weldment - Baffle - End - LH 1190-00035 Weldment - Baffle - End - RH 1190-00033 Baffle - End - LH - Burner - 7.50 Lg 1190-00032 Baffle - End - RH - Burner - 7.50 Lg... -
Page 40: Three-Rung
Parts List BROCK® GUARDIAN® CDH Downstream Heater 11 14 Above: Figure 30. Three-Rung Downstream Assembly 0-48737 Item Part No. Description 0-48735 Weldment, Three-Rung Downstream 1190-00034 Weldment - Baffle - End - LH 1190-00027 Weldment - Baffle - Short - End 1190-00035 Weldment - Baffle - End - RH 1190-00032 Baffle - End - RH - Burner - 7.50 Lg... -
Page 41: Controls
BROCK® GUARDIAN® CDH Downstream Heater Parts List Controls Item Part No. Description 0-48094-3 Box, Elec Ax 0-48095 Lid, Elec Box 14x16 Blk 0-48627 Panel, Elec. Mounting, AXH Xfmr, Ign 175va 120v-60000v 2502-00001 0-48620 Base, Burner Control 0-48696 Control, Burner 115v Flame... -
Page 42: Propane Vapor And Natural Gas Cdh Downstream Heaters
Parts List BROCK® GUARDIAN® CDH Downstream Heater Propane Vapor and Natural Gas CDH Downstream Heaters HI-LO Configuation Detail Figure 32. Propane Vapor and Natural Gas CDH Downstream Heaters MFH1800C... - Page 43 BROCK® GUARDIAN® CDH Downstream Heater Parts List Propane Vapor and Natural Gas CDH Downstream Heaters Item Part No. Description Qty. CDH27-10-HP Pkg, Heater Housing CDH27-10 CDH27-15-HP Pkg, Heater Housing CDH27-15 CDH27-20-HP Pkg, Heater Housing CDH27-20 CDH30-HP Pkg, Heater Housing CDH30...
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Page 44: Liquid Propane Cdh Downstream Heaters
Parts List BROCK® GUARDIAN® CDH Downstream Heater Liquid Propane CDH Downstream Heaters HI-LO Configuation Detail Figure 33. Liquid Propane CDH Downstream Heaters MFH1800C... -
Page 45: Parts Lists
BROCK® GUARDIAN® CDH Downstream Heater Parts List Liquid Propane CDH Downstream Heaters Item Part No. Description Units CDH27-10-HP Pkg, Heater Housing CDH27-10 CDH27-15-HP Pkg , Heater Housing CDH27-15 CDH27-20-HP Pkg, Heater Housing CDH27-20 CDH30-HP Pkg, Heater Housing CDH30 CDH33-40-HP Pkg, Heater Housing CDH33-40... -
Page 46: Models And Specifications
Heaters are designed for a 115-volt connection. If the Fan does not have 115-volt controls, a Step-down Transformer may be required. BROCK® Fans are equipped with a 100va Control Transformer. 460v and 575v BROCK ® Fans: the Transformer must be changed to a 250va. Heater Dimensions See Page 16 in this Manual. - Page 47 BROCK® GUARDIAN® CDH Downstream Heater Models and Specifications MFH1800C...
- Page 48 • Internet: www.graindryers.com P.O. Box 2000 • Milford, Indiana 46542-2000 • U.S.A. Phone (574) 658-4191 • Fax (574) 658-4133 e-mail: brock@brockmfg.com • Internet: http//www.brockmfg.com 7400 East Thirteenth Street • Kansas City, Missouri 64126 • U.S.A. Phone (816) 968-6101 Fax (816) 968-6272 TLX: 6841105 Printed in the U.S.A.
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