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Installation and Service 
Instructions

Gas boiler

Logano GC 124 II

6 720 804 440 (

2012/11) EN-US

WARNING!

Installation, adjustment, modification, operation 
or maintenance of the heating system carried out 
by unqualified personnel may result in property 
damage, personal injury, and loss of life. 
The directions of this installation and maintenance 
manual must be followed precisely.

C

ontact a qualified service company, service pro-

vider or the gas company if support or additional 
information is required. 

C

AUTION!

Before placing this boiler in operation observe the 
safety instructions of this installation and mainte-
nance manual. 

C

AUTION!

The operating manual is a component of the tech-
nical documentation handed over to the operator 
of the heating system. Discuss the instructions in 
this manual with the owner or operator of the heat-
ing system and ensure that they are familiar with all

information required for operation of the heating

system.

In the 

C

ommonwealth of Massachusetts 

this boiler must be installed by a licensed 
plumber or gas fitter.

Keep this installation and maintenance manual 
available for future reference.

In the 

C

ommonwealth of Massachusetts this boiler 

must be installed by a licensed plumber or gas fit-
ter.

Содержание Logano GC 124 II

Страница 1: ...efore placing this boiler in operation observe the safety instructions of this installation and mainte nance manual CAUTION The operating manual is a component of the tech nical documentation handed o...

Страница 2: ...s for combustion air supply and venting 12 9 Requirements for connection to chimneys or venting systems 13 10 Flue pipe installation 13 11 Placing the heating system in operation 14 11 1 Starting up t...

Страница 3: ...bility may cause dangerous flue gas leaks or formation Make sure that inlets and outlets are not reduced in size or closed If faults are not corrected immediately the boiler must not be operated until...

Страница 4: ...e ANSI Z 223 1 If specified by the local regulatory authorities the heating system must comply with the regulations of the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI...

Страница 5: ...oiler 2 3 8 RK 1 VK 1 GAS EL GAS 6 720 804 440 02 1T Boiler size Boilerinput A B Vent connection II Min relief valve capacity Number of Orifices Water volume Dry weight Btu hr Inches Inches Inches lb...

Страница 6: ...ponent Qty Packaging method Boiler complete 1 1 palette B kit components 1 1 4 supply manifold 30 psi relief valve long shank boiler drain pressure temperature gauge 90 elbow 1 x 1 NPT 90 elbow 1 x 1...

Страница 7: ...and horizontal The boiler may be installed on a flammable base but not on carpet Fig 7 Required clearances in the boiler room 1 Recommended service clearances 2 Required minimum clearances 3 Burner tr...

Страница 8: ...ut off Thelow watercut offmustbeinstalledduring installation of the boiler and placed above the water level in the boiler without any means of shutting the water off between the boiler and low water c...

Страница 9: ...ust be grounded as specified by the regulations of the relevant local authorities otherwise follow the regulations of the National Electrical Code ANSI NFPA 70 The boiler is fully functional with the...

Страница 10: ...jacket if required by the local code We recommend installing a manual shut off valve in the main gas pipe to the boiler The gas pipe must be fastened outside the boiler The local codes must be observ...

Страница 11: ...iler slowly with water from the feed water connection Open automatic vents slightly to allow the air to escape Slowly fill heating system Observe pressure display on pressure gauge during this process...

Страница 12: ...iler room calculated from the outer edge of the opening The shortest dimension of all inlet and outlet openings must not be less than three inches Total air supply from outside the building Make sure...

Страница 13: ...nspect the venting system to ensure that it has the correct dimensions and longitudinal inclination Make sure that the system is not blocked leaking corroded or has any other faults that cause it to o...

Страница 14: ...ed in the boiler have been tested at the factory as described in ANSI Z 21 13 to ensure safe operation of the heating system and verify specific performance indicators Preparing for operation Set the...

Страница 15: ...n the gasvalve Installpressure measuring nipple andattach a pressure gauge to measure the orifice pressure Open gas shut off Fig 20 Gas valve 1 ON OFF knob shown in ON position 2 Screw plug for gas pr...

Страница 16: ...e 1 ON OFF knob shown in ON position Checking gas supply pressure Check the gas supply pressure while the boiler is operating The connection pressure for natural gas must be between 4 7 and 10 5 W C F...

Страница 17: ...shut off The main burner flame figure 25 and the ignition flame are extinguished After no more thansix 6 secondsthemaingassolenoidvalveonthegasvalvemust close with an audible noise If the gas valve do...

Страница 18: ...to the OFF position Disconnect the heating system from the power source and turn thermostat to its lowest setting Seal leaks Repeat all steps in this paragraph Carefully wipe away the soapy water to p...

Страница 19: ...ion Start up procedure Remarks or measured values 1 Type of gas Natural gas LP 2 Has the leak test been completed 3 Check combustion air inlet and outlet openings and flue gas connection 4 Check the e...

Страница 20: ...stion air air inlets and Ventilation openings Check the venting system including the combustion air inlet and outlet openings All faults must be repaired immediately Make sure that the combustion air...

Страница 21: ...figure 39 page 23 If the igniter flame is acceptable start cleaning Fig 33 Gas valve 1 Safety screw on igniter adjustment screw 15 5 1 Cleaning the boiler with brushes Burner removal Beforeopeningaun...

Страница 22: ...ace cleaning cover install screws and replace insulation 15 5 2 Wet cleaning chemical cleaning For wet cleaning use a suitable cleaning agent depending on the degree of build up of dirt soot or scale...

Страница 23: ...s line screw Rinse out burner rods with a water jet hold burner so water enters all slots of the burner rods and drains back out Fig 40 Moving burner back and forth to remove water Remove remaining wa...

Страница 24: ...rmthatall maintenace work has been conducted Sign the maintenance protocol and discuss it with the owner of the heating system Be careful not to damage the pilot orifice during installation and cleani...

Страница 25: ...er page 20 4 Cleaning of boiler page 21 5 Cleaning of burner page 23 6 Measuring gas supply pressure page 16 inches W C inches W C 7 Measuring orifice pressure page 16 inches W C inches W C 8 Checking...

Страница 26: ...nd maintenance Logano GC 124 II 6 720 804 440 2012 11 26 Date Date Date Date Date inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C Table 13...

Страница 27: ...f everything is OK replace automatic ignition No Heat requirement ended system switches off flue baffle closes End of troubleshooting Repeat procedure until heating system operates properly On models...

Страница 28: ...ition flame Specified thermostat value control reached Main and ignition gas valves close gas burners ex tinguished flue gas baffle if installed closes Ignition burner operation Ignition flame burns a...

Страница 29: ...ly valid in the U S A and only for elevations from 0 8500 ft Boiler size Number of orifices Main gas orifice identification for elevations from feet in ft3 h inch W C 0 8500 ft 1 1 installation attitu...

Страница 30: ...yellow black 4 R W L2 Plug Plug PV Intermittent pilot control module S8600H Connecting terminals for thermostat 2 Burner assembly Terminals on boiler block Main supply power use circuit breaker as req...

Страница 31: ...Pilot Burner Spark Gas valve Main Pilot PV PV MV GND MV S8600H GND PV PV MV MV 24V 24VGND K1 TR High Limit Flame roll out safety shutoff switch K2 B2 L2 N L 24V AWG 18 WIRE 120 VAC Wiring Schematic G...

Страница 32: ......

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