Table of Contents
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These terms are used throughout this
manual to bring attention to the
presence of hazards of various risk
levels or to important information
concerning the life of the product.
LGB
Control Supplement
to
CSD-1 Control System
Indicates presence of hazards that can cause severe personal injury, death or
substantial property damage.
Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property damage.
This Control Supplement must only be used by a qualified installer/service
technician. Read these instructions completely before beginning the
installation. Failure to follow these instructions can cause severe personal
injury, death or substantial property damage.
Gas-fired boiler
-
Propane gas
Series 2
Contents
I.
New installation .......... 2
II.
Existing installation .... 4
components .................. 4
IV. Gas piping ................... 5
V. Wiring ........................... 5
Sequence of operation ..... 8
Wiring procedure .............. 8
VI. Leak test procedure ... 10
VII. Operating instructions ..... 1 1
VIII.Parts list ..................... 12
Part Number 550-141-816/0798
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Table of Contents
Related Manuals for Weil-McLain LGB 6-20 Series
Summary of Contents for Weil-McLain LGB 6-20 Series
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Page 1: Table Of Contents
Control Supplement CSD-1 Control System These terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. Gas–fired boiler – Series 2 Indicates presence of hazards that can cause severe personal injury, death or substantial property damage. -
Page 2: New Installation
LGB-6 to LGB-20 New installation 1. Remove all burners from base box assembly. Remove 3.95 mm natural gas main burner 2. Install pilot burners and flame sensor(s). See Figures 1 and 2 (page 3). Follow Table 1, 3. Install gas controls and ignition control panel as shown in Table 2, below and Figure 6 4. - Page 3 CSD-1 Control System – Propane gas New installation Figure 1 Pilot burner assembly, typical Figure 2 Main flame sensor assembly Part Number 550-141-816/0798 – continued...
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Page 4: Existing Installation
1. Install water or steam trim components as required by CSD-1 latest edition. See the boiler Series 2 – Control Supplement This conversion is to be installed by a Weil-McLain distributor or other qualified agency in accordance with the manufacturer’s instructions and all codes and requirements of the authority having jurisdiction. -
Page 5: Gas Piping
CSD-1 Control System – Propane gas Gas piping 1. Contact gas supplier to size pipes, tanks and regulator. 2. Remove gas supply knockout disc from jacket panel. 3. Follow good piping practices. 4. Pipe joint compound (pipe dope) must be resistant to corrosive action of liquefied 5. - Page 6 SPARK PILOT BURNER NO. 2 BASE (NOTE 8) PILOT PROVING MODULE Intermittent Pilot A United Dominion Company CSD-1 Control System Weil-McLain 500 Blaine St. Michigan City, IN 46360-2388 Steam or Water 6 thru 20 550-141-835/0798WM PART NUMBER Figure 3 Wiring diagram...
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Page 7: Sequence Of Operation
LGB-6 to LGB-20 Wiring Sequence of operation 1. Operating control begins startup sequence. 2. Pilot proving module energized. 3. Main flame proving module energized from pilot proving module. 4. For dual base assembly - operating control energizes controls for each base assembly at the 5. - Page 8 CSD-1 Control System – Propane gas Figure 5 Field wiring diagram Part Number 550-141-816/0798...
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Page 9: Leak Test Procedure
LGB-6 to LGB-20 Leak test procedure 1. Remove red (MV) and blue (PV) wires from main gas valve. 2. Close main test firing valve attached to the manifold. 3. Check that both leak test valves are closed and remove plugs. 4. -
Page 10: Operating Instructions
CSD-1 Control System – Propane gas Operating instructions A. This boiler is equipped with a pilot which must be lighted by hand. When lighting the B. BEFORE OPERATING THE MANUAL PILOT, smell all around the appliance area for gas. C. Do not use this appliance if any part has been under water. Immediately call a qualified This document is intended only as a supplement to the LGB Gas-Fired Boiler Manual. - Page 11 Firing valve Leak test valve Pilot tubing, alum. ¼ O.D. x .032-20" long Pilot tubing, alum. ¼ O.D. x .032-60" long *Contact local Weil-McLain distributor/agent for current replacement part and order number. Series 2 – Control Supplement Size Vendor/Part Number...