GOLD CGa Gas-Fired Water Boiler — Boiler Manual

7Check-out procedure — checklist

OO"OILER AND HEATADISTRIBUTION UNITS lLLED WITHBWATER

OO !UTOMATICMAIRTVENT IF USED OPENNONE FULL TURN

OO !IRIPURGED FROMGSYSTEM

OO !IRIPURGED FROMGGASDPIPINGO0IPING CHECKED FOR LEAKS

OO#ORRECTLYESIZEDZMANIFOLD ORIlCESlINSTALLED 2EFERFTO 4ABLE , page 12 to check size and fuel type.

#ORRECTLYESIZEDZMANIFOLD ORIlCESlMUST BE USED Failure to do so will cause severe personal in- jury, death or substantial property damage.

OOFollowed lighting/operating instructions on boiler or in manual Section  or Section  FOR PROPERPSTARTUP

OO0ROPER BURNER mAME OBSERVEDR2EFERFTO #HECKKBURNERNmAME, manual Section D.

OOTest limit control — While burners are operating, move indicator on limit control below actual boiler water tem-

PERATURET"URNERSNSHOULD GO OFFFWHILEICIRCULATOR CONTINUESI to operate. Raise setting on limit control above boiler water temperature and burners should reignite.

OOTest additional field-installed controls — If boiler has a low water cutoff, additional high limit or other controls, test for

OPERATIONAAS OUTLINEDABY MANUFACTURER "URNERS SHOULDABE operating and should go off when controls are tested. When controls are restored, burners should reignite.

OO"UTTON ONOSPILLOSWITCH PUSHEDLIN

OO Test ignition system safety device:

a.3TANDING PILOT — Turn gas cock knob to 0),/44posi- tion and extinguish pilot flame. Pilot gas flow should stop in less than 3 minutes. Put system back into op- eration (see Section ).

b.3PARKIGNITEDIPILOT #ONNECTNMANOMETERMTO OUTLET side of gas valve. Start boiler, allowing for normal start-up cycle to occur and main burners to ignite. With main burners on, manually shut off gas supply

AT MANUAL MAIN SHUTOFFTGASAVALVE "URNERSNSHOULD GO off. Open manual main shutoff gas valve. Manometer should confirm there is no gas flow. Pilot will relight, flame sensing element will sense pilot flame and main burners reignite.

OOSet limit control(s) to system temperature requirements.

Adjust balancing valves and controls to provide design temperature to system.

OOFor multiple zones, adjust flow so it is about the same in each zone.

OO6ERIFY THERMOSTAT HEAT ANTICIPATORIIFIAVAILABLE SETEPROP-

ERLY 2EFERFTO &IELDE WIRING, manual Section 5, page 27,

4HERMOSTATS .

OO #YCLECBOILER WITH THERMOSTAT ˆ2AISEITO HIGHESTHSETTINGTANDN verify boiler goes through normal start-up cycle. Lower to lowest setting and verify boiler goes off.

OOMeasure natural gas input:

a.Operate boiler 10 minutes.

b.Turn off other appliances.

c.At natural gas meter, measure time (in seconds) re- quired to use one cubic foot of gas.

D #ALCULATEUGASAINPUT

3600 x 1000

= Btuh

number of seconds from step c

E "TUH CALCULATED SHOULD APPROXIMATEXINPUTPRATING ON boiler rating label.

OO#HECKEMANIFOLD GAS PRESSUREDBY CONNECTINGRMANOMETERRTO downstream test tapping on main gas valve. Manifold pres- sure for natural gas should be 3.5" w.c. and for propane gas should be 10" w.c.

OOObserve several operating cycles for proper operation.

OOSet room thermostat to desired room temperature.

OO&ILL INL)NSTALLATION AND SERVICE CERTIlCATEABELOW

OOReview all instructions shipped with this boiler with owner or maintenance person. Return instructions to envelope and give to owner or place in pocket inside front panel in boiler.

Installation and service certificate

"OILER MODEL ??????????????????

3ERIES ??????????

#0#NUMBER ???????????

$ATE INSTALLED ???????????

-EASURED "TUHEINPUT"????????????????????

OO Installation instructions have been followed.

 

 

OO #HECKEOUTKSEQUENCE HAS BEENUPERFORMED

 

 

OO Above information is certified to be correct.

 

 

OO Information received and left with owner/maintenance person

)NSTALLERA?????????????????????????

????????????????????????????????

????????????????????????

(company)

(address)

(phone)

)NSTALLERSLSIGNATURE ?????????????????????????????????????

Part Number 550-101-009/0107

 

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Weil-McLain CGA25SPDN manual Check-out procedure checklist, Oo !Iripurged Fromgsystem, OO Utton Onospilloswitch PUSHEDLIN

CGA25SPDN specifications

The Weil-McLain CGA25SPDN is a high-efficiency gas-fired boiler designed to deliver dependable heating performance while maintaining a strong focus on energy savings and user-friendly operation. Ideal for residential applications, this boiler is engineered to provide consistent warmth and comfort in homes with various heating demands.

One of the main features of the CGA25SPDN is its durable construction. Built with high-quality materials, this boiler is designed to withstand the rigors of frequent operation while maximizing longevity. It features an advanced cast iron heat exchanger that efficiently transfers heat to the water, resulting in lower energy costs and improved overall performance.

Efficiency is a key characteristic of the Weil-McLain CGA25SPDN. Its design promotes efficient combustion, allowing for a higher Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 82%, this boiler ensures that more of the fuel used is converted into usable heat, which translates to reduced energy bills for homeowners.

The boiler exhibits a user-friendly control system that allows for easy operation and maintenance. It comes equipped with an integrated vent damper that maximizes efficiency by reducing heat loss during standby periods. Additionally, the CGA25SPDN features an adjustable thermostat, enabling homeowners to customize their heating preferences easily.

Another significant feature of the CGA25SPDN is its versatility. The boiler is compatible with various heating applications, including hot water heating systems and home heating configurations. This adaptability makes it a great choice for both new installations and retrofitting existing systems.

Safety is always a concern with gas-fired appliances, and the Weil-McLain CGA25SPDN addresses this through its advanced safety mechanisms. The boiler incorporates safety controls that prevent overheating and ensure proper operation, providing peace of mind to homeowners.

In summary, the Weil-McLain CGA25SPDN stands out as a reliable and efficient heating solution for residential settings. With its durable construction, high-efficiency performance, user-friendly controls, and impressive safety features, it is an exceptional choice for those seeking a dependable gas-fired boiler that meets modern heating demands while keeping energy costs in check. Homeowners can trust the Weil-McLain CGA25SPDN for warmth and comfort through the cold months.