Instruction/ maintenance manual of the product EGH-125 Weil-McLain
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Control Supplement Control Supplement Control Supplement Control Supplement Control Supplement EGH EGH EGH EGH EGH Gas-Fired Boiler EGH-105 t o EGH-125 Series 4 Natural gas ‡ P art No.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 2 The following terms are used throughout this Control Supplement to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 3 Carton guide T able 1 Boiler car tons V erify that the correct car tons are av ailable bef ore beginning assemb ly . Note that the Base assembly and T rim & controls car tons for CSD-1 are special.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 4 Installation I Place the boiler Refer to the EGH Manual. Read Section I and follow all of its guidelines.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 5 Install optional vent damper (if supplied) If not instal ling a vent damper , proc eed to next section ( Piping connections ). Once a vent damper has been operated on an EGH boiler , the boiler will no longer operate without a damper installed.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 6 P iping connections II Connect steam (water) piping to the boiler per EGH Manual Section II.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 7 Install boiler controls — steam boilers III Figure 4 Steam boiler connections T able 3 Steam boiler connections 32¾" 23 / &.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 8 Gas piping V Size and connect gas supply piping per EGH Manual , Section V . The gas supply can enter from either the right or left side of the jacket.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 9 General The following sequence of operation applies to all wiring diagrams in this Supplement — both water and steam. Call for heat On a call for heat (from thermostat or operating control): 1 .
P art Number 550-110-677/0299 10 o NOTES: TO COMPONENT MANUF ACTURER’S INSTR UCTIONS FOR APPLICA TION WIRING AND FOR MUL TIPLE ZONE SYSTEMS USING ZONE V AL VES OR CIRCULA TORS , REFER 5. THERMOST A T - FOR SINGLE ZONE SYSTEMS, THERMOST A T ANTICIP A TOR SETTING IS 0.
P art Number 550-110-677/0299 11 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement NOTE 10 TERMINAL.
P art Number 550-110-677/0299 12 MV MV/PV PV ALARM ALARM 24 V 24 V (GND) SENSE SPARK MV MV/PV PV ALARM ALARM 24 V 24 V (GND) SENSE SPARK 677-02 1 2 3 4 5 6 10 8 9 11 12 14 15 15 16 17 18 19 20 24 21 25 21 22 23 7 V ent connections — Connect with ¼" tubing and run vent line outside building per code requirements.
P art Number 550-110-677/0299 13 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement 1 CSD-1 control .
P art Number 550-110-677/0299 14 o NOTES: TO COMPONENT MANUF ACTURER’S INSTR UCTIONS FOR APPLICA TION WIRING AND FOR MUL TIPLE ZONE SYSTEMS USING ZONE V AL VES OR CIRCULA TORS, REFER 5. THERMOST A T - FOR SINGLE ZONE SYSTEMS, THERMOST A T ANTICIP A T OR SETTING IS 0.
P art Number 550-110-677/0299 15 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement NO TE 10 TERMINA.
P art Number 550-110-677/0299 16 MV MV/PV PV ALARM ALARM 24 V 24 V (GND) SENSE SPARK MV MV/PV PV ALARM ALARM 24 V 24 V (GND) SENSE SPARK 677-01 1 2 3 4 5 6 10 8 9 11 12 14 15 15 16 17 18 19 20 21 22 23 24 25 25 26 27 Install strain relief bushings wherev er electr ical wiring passes through jack et.
P art Number 550-110-677/0299 17 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement 1 CSD-1 control .
P art Number 550-110-677/0299 18 o NOTES: TO COMPONENT MANUF ACTURER’S INSTR UCTIONS FOR APPLICA TION WIRING AND FOR MUL TIPLE ZONE SYSTEMS USING ZONE V AL VES OR CIRCULA TORS, REFER 5. THERMOST A T - FOR SINGLE ZONE SYSTEMS, THERMOST A T ANTICIP A T OR SETTING IS 0.
P art Number 550-110-677/0299 19 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement NO TE 10 TERMINA.
P art Number 550-110-677/0299 20 MV MV/PV PV ALARM ALARM 24 V 24 V (GND) SENSE SPARK 677-01-p 1 2 3 4 5 6 7 10 8 9 11 12 14 15 15 16 17 18 19 20 21 22 25 25 26 27 23 24 Install strain relief bushings wherev er electr ical wiring passes through jack et.
P art Number 550-110-677/0299 21 CSD-1 control system — Natural gas EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement 1 CSD-1 control .
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 22 Final adjustments VII 1 . Follow EGH Manual instructions for Final Adjustments , Section VII, including filling the boiler and skimming steam boilers.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 23 Final adjustments — operating instructions VII Figure 11 Operating instructions.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 24 Check - out procedure — operation VIII Always follow boiler Operating instructions , Figure 11, when starting the boiler .
CSD-1 control system — Natural gas P art Number 550-110-677/0299 25 Check - out procedure — leak test VIII 677-11 1 2 4 3 T o control panel Fo r your safety , turn off electrical power supply before making any electrical connections to avoid possible shock hazard.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 26 Check - out procedure — troubleshooting VIII V erify proper operation after servicing Never jumper (bypass) any device except for momentary testing as outlined in T roubleshooting Char ts.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 27 Check - out procedure — troubleshooting VIII VISU ALL Y CHECK — Is ground wire connected from GND (Burner) to ignition control mounting screw , and ground wire connected from transf or mer ter minal C to case ground? Correct by making connections .
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 28 Check - out procedure — troubleshooting VIII Is damper harness securely plugged in at both ends? Secure connections .
CSD-1 control system — Natural gas P art Number 550-110-677/0299 29 Check - out procedure — troubleshooting VIII Set up microammeter to measure output current in flame sensor circuit as f ollows . a . Detach sense lead from ignition control. Attach negative lead from microammeter to sense terminal on ignition control.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 30 Check - out procedure — troubleshooting VIII Are pilot valv e wir ing connections CORRECT and securely fastened? Connect securely to terminal PV on ignition control and terminal TR on main gas valve .
CSD-1 control system — Natural gas P art Number 550-110-677/0299 31 Service and maintenance IX Complete Installation and Service Certificate in EGH Manual , Section IX.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 32 Replacement parts — water boilers X Figure 14 W ate.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 33 T able 5 W ater boiler replacement par ts Before r eplacing any parts on the boiler — T urn off power to boiler and shut off g as supply . Failure t o comply c ould result in sev ere personal injury , death or substantial propert y damage.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 34 Replacement parts — steam boilers X Figure 15 Steam.
CSD-1 control system — Natural gas P art Number 550-110-677/0299 35 T able 6 Steam boiler replacement par ts Before r eplacing an y parts on the b oiler — T ur n off power t o boiler and shut off gas supply . Failure to c omply could result in sev ere personal injury , death or substantial propert y damage.
EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 EGH-105 to EGH-125 Control Supplement P art Number 550-110-677/0299 36 W eil-McLain 500 Blaine Street Michigan City , IN 46360-2388 http://www .
An important point after buying a device Weil-McLain EGH-125 (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 EGH-125 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 EGH-125 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Weil-McLain EGH-125 you will learn all the available features of the product, as well as information on its operation. The information that you get Weil-McLain EGH-125 will certainly help you make a decision on the purchase.
If you already are a holder of Weil-McLain EGH-125, 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 EGH-125.
However, one of the most important roles played by the user manual is to help in solving problems with Weil-McLain EGH-125. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Weil-McLain EGH-125 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
