Instruction/ maintenance manual of the product CGa Weil-McLain
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Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHA T TO DO IF YOU SMELL GAS • Do not try to light any appliance . • Do not touch any electrical switch ; do not use any phone in your building.
2 Part Number 550-1 10-592/1099 Please read this page first How to use this manual . . . The User ’ s Infor mation Manual pro vides information to the boiler o w ner/user for r outine operation and maintenance and emergency shutdown.
3 Part Number 550-1 10-592/1099 F ailure t o adher e to the guidelines on this pag e can result in sev ere personal injury , death or substantial property damage.
4 Part Number 550-1 10-592/1099 5921 0 Boiler components 5921 1 1 Gas valve 2 Pilot burner 3 Main burner 4 Gas manifold/orifices 5 Control module 6 Inducer (CGi and CGs only) 7 V ent damper (CGa only).
5 Part Number 550-1 10-592/1099 1 Gas valve 2 Pilot burner 3 Main burner 4 Gas manifold/orifices 5 Control module 7 V ent damper 9 T ransformer 10 Spill switc h 12 Rollout thermal fuse element 13 Low .
6 Part Number 550-1 10-592/1099 Maintain boiler using schedule below T ankless water heater (EG and EGH only) If boiler is used to supply d omestic hot water , limit co ntrol should be set to suppl y adequate hot water . W eil-M cLain tankless heaters are rated at 200 ° F boile r water t emperature.
7 Part Number 550-1 10-592/1099 User maintenance pr ocedur es Do not attempt to place boiler in operation if spill switch cuts of f gas flow . Immediately call a serv ice technician. Failure to do so can cause severe personal injury , death or substantial pr oper t y damage.
8 Part Number 550-1 10-592/1099 ❏ Check daily . . . . . . . . . . . . . . . . . Air openings 1. V er ify that combustion and v entilation air openings to the boiler room and/or building are open and unobstructed. 2. CGs boilers — V erify that b oiler vent disc harge and air intake are clean and free of obstructions.
9 Part Number 550-1 10-592/1099 Figure 4 Automatic air vent Automatic air vents (if used) 1. See Figure 4 . 2 . Remove the cap from any automatic air vent in the system and check operation by depressing valve B slightly with the tip of a screwdriv er .
10 Part Number 550-1 10-592/1099 Probe type— See Figure 8 1 . Clean probe type low water cutoff for proper operation. a. T ur n off power to boiler and wait 5 min utes. b . Drain water to bottom of gauge glass. c. T urn on po wer . d. Set thermostat to call for heat.
11 Part Number 550-1 10-592/1099 Operate boiler relief valve ❏ Service every 6 months . . . . . . . . . To av oid water damage or scalding due to valve operation, a metal discharge line must be connected to relief valve outlet and run to a safe place of disposal.
12 Part Number 550-1 10-592/1099 Follow boiler shutdown procedure ❏ End-of-season shutdo wn . . . . . . . . 1. Follow “ T O TURN OFF GA S T O APPLIANCE ” on the Lighting/Operating instr uctions on the inside of the jacket panel. Y ou will also find these instructions on pages 13 through 22 of this manual.
13 Part Number 550-1 10-592/1099 Lighting instructions FOR Y OUR S AFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building.
14 Part Number 550-1 10-592/1099 • Gas valve — Robertshaw 7200 FOR Y OUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building.
15 Part Number 550-1 10-592/1099 FOR Y OUR S AFETY READ BEFORE LIGHTING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighbor ’ s phone.
16 Part Number 550-1 10-592/1099 FOR Y OUR SAFETY READ BEFORE OPERA TING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighb or ’ s phone.
17 Part Number 550-1 10-592/1099 FOR Y OUR SAFETY READ BEFORE OPERA TING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighbor ’ s phone.
18 Part Number 550-1 10-592/1099 FOR Y OUR SAFETY READ BEFORE OPERA TING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighb or ’ s phone.
19 Part Number 550-1 10-592/1099 FOR Y OUR SAFETY READ BEFORE OPERA TING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighbor ’ s phone.
20 Part Number 550-1 10-592/1099 FOR Y OUR SAFETY READ BEFORE LIGHTING OPERA TING INS TRUCTIONS T O TURN OFF GAS T O THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediate ly call your gas supplier fr om a neighb or ’ s phone.
21 Part Number 550-1 10-592/1099 FOR YOUR SAFETY READ BEFORE OPERA TING OPERA TING INSTRUCTIONS TO TURN OFF GAS TO THE APPLIANCE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone.
22 Part Number 550-1 10-592/1099 ANNUAL SHUTDOWN PROCEDURE • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
23 Part Number 550-1 10-592/1099 Common pr oblems and solutions Symptom Common Causes Possible Corrections Rapid cycling — boiler turns on and off frequently Thermostat installed where drafts or heat affect reading Locate thermostat on inner wall away from heat sources or cool drafts.
24 Part No. 550-1 10-592/1099 W eil-McLain Limited W arranty for Residential & Commercial Cast Iron Boilers W eil-McLain 500 Blaine Street Michigan City , IN 46360-2388 http://www .
An important point after buying a device Weil-McLain CGa (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Weil-McLain CGa yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Weil-McLain CGa - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Weil-McLain CGa you will learn all the available features of the product, as well as information on its operation. The information that you get Weil-McLain CGa will certainly help you make a decision on the purchase.
If you already are a holder of Weil-McLain CGa, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Weil-McLain CGa.
However, one of the most important roles played by the user manual is to help in solving problems with Weil-McLain CGa. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Weil-McLain CGa along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
