Table of Contents
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INSTALLATION
INSTRUCTIONS
These instructions
must be affixed on or adjacent to the boiler
Dml'v' ¢
MODEL PVSB
Continuous
Pilot
Gas-Fired
Steam
Boilers
These Gas-Fired Water Boilers are low pressure, sectional
cast iron boilers Designed Certified by C.S.A. (Canadian
Standards Association) for use with Natural and Propane
Gases. They are constructed and hydrostatically tested for a
maximum working pressure of 50 psi (pounds per square
inch) in accordance with AS.ME.
(American Society of
Mechanical Engineers) Boiler and Pressure Vessel Code
Section IV Standards for cast iron heating boilers.
MODEL PSB
Electronic
Intermittent
Ignition
Warning:
Improper
installation,
adjustment,
alteration,
service
or maintenance
can cause injury or
property
damage.
Refer to this manual.
For assistance
or additional
information
consult
a qualified
installer,
service agency
or the gas supplier
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Table of Contents
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Summary of Contents for Dunkirk PVSB
- Page 1 INSTALLATION INSTRUCTIONS These instructions must be affixed on or adjacent to the boiler Dml'v' ¢ MODEL PVSB Continuous Pilot Gas-Fired Steam Boilers These Gas-Fired Water Boilers are low pressure, sectional cast iron boilers Designed Certified by C.S.A. (Canadian Standards Association) for use with Natural and Propane MODEL PSB Gases.
- Page 2 I=B=R _. F_ "A" WITH VENT DAMPER WITH VENT DAMPER *MBH *MBH RATING, PJ_IATIONS0' INPUT, CAPACITY, RATING *MBH PJW_TION D_METER WIDTH PSB-3D PVSB-3D PSB-4D PVSB-4D 14½ PSB-5D PVSB-5D !7¾ PSB-6D PVSB-6D PSB-7D PVSB-7D 24¼ PSB-8D PVSB-8D 27½ PSB-9D PVSB-9D 30¾...
- Page 3 Check tobe sure you have the right size b oiler before starting the installation. steam isreturned totheboiler a scondensate and theamount ofmake-up water _,ee rating and c apacity table on previous page. Also b e sure the new b oiler is required i s minimal.
- Page 4 Provisionfor combustion and ventilationair mustbe in accordancewith Section5.3, Air for Combustion and Ventilation, of I the National Fuel Gas Code, ANSIZ223.1-1atest revision, or applicable provisions of the local building codes. NOTE WARNING if you use a fireplace or a kitchen or bathroom exhaust Be sure to provide enough fresh air for combustion.
- Page 5 The near boiler piping, that is the piping around the boiler, or on discharge pipes between such safety valves and must be considered as part of the boiler for proper water the atmosphere. Installation of the pop safety valve shall level control, and to produce dry steam.
- Page 6 All boilers in gravity return systems must be equipped 5. For installers choosing to use both supply tappings, Figure with a Hartford Loop as shown in Figures 5 and 6A. 6A shows the correct way to pipe this system. Figure 6B shows the wrong way to pipe a header with two risers.
- Page 7 THIS PIPING CONFIGURATION WRONG WAY DO NOTBULLHEAD, USE tS INCORRECT TO SHOW TWOTAKEOFFS COMMON MISTAKES TAKEOFFSMUSTBE BETWEEN RISER & EQUALIZER WRONG WAY SWINGJOINTS AREMISSING WRONG WAY MiSSiNG TEE FORSKIMMING B When this boiler is connected to heating coils located 12. The near boiler piping shall include a 11h" ball valve in the return piping as shown for bottom blowdown and in air handling units where they may be exposed to draining.
- Page 8 For boilers for connection to gas vents or chimneys, vent installations shall be in accordance with Part 7, Venting of Equipment, of the National Fuel Gas Code, ANSI Z223.1-1atest revision and applicable provisions of the local building codes. CHECK YOUR CHIMNEY 7.
- Page 9 4. Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so appliance will operate continuously. 5. Test for spillage at the draft hood relief opening after 5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar or pipe.
- Page 10 For safe, efficient operation, the vent damper and all flue DO NOT turn damper open manually or motor damage will result. Set switch to "AUTOMATIC OPERATION" to close vent product carrying areas of the appliance must be checked annually by you, with particular attention given to deterioration damper during burner off cycle.
- Page 11 NATURAL GAS Pipe Capacity - BTU Per Hour Input Length of includes Fittings Pipe - Ft. 1¼" Y2" 314" 1" 92,000 190,000 350,000 625,000 VALVE iZT'" 445,000 63,000 130,000 245,000 \ o=o LL 365,000 50,000 105,000 195,000 PROPANE GAS Pipe Capacity - BTU Per Hour input includes Fittings Length of Iron Pipe...
- Page 12 probe type low water cut offs, this may occur each time the low water cut off detects a low water condition. If this is the case, an isolation relay is required for the thermostat circuit. A 24 volt single pole single throw (SPST)normally open (NO) relay is required, such as the Honeywell R8222A or VENT DAMPER equivalent.
- Page 13 INTERMITTENT IGNITION vl[iqT DAMPER M©LEX PLUG 15 7/i OH2,/I _ PO¢,'E _ SUPPL <:'i >i ....ov'£ R NI P_O EC]£ NEUT {}15C NNEC L _....i / ..',(}} .£....OPI_O_',A[ WF 2U F EX:::t NOTE:TE2MN-_ "_ Af'r;r'hR_: V'AIq r<...
- Page 14 STANDING PILOT Will lAMP M(L {7, 'L U( :77: ..NEU/ • "?'7" ..... i ']' f +7 ................r' kfls: t,;:i ......... i ..............[ii_' W/-TER F£E[,_:R _Si:7 (_s7 ..7:: ......, {> rqol [: rER_AL NO_ 5 APPEAR_o ONP,"...
- Page 15 INTERMITTENT IGNITION VENT DAMPER MOLEX PLUG 2¢ VOLT TRANSFORMER --_ 11 S///6OHZ/1 ¢ POWER SUPPLY _i--W_RE ----._ THEI44r)gT4]' OVERCDRRENT PROTECTED COLOR CODE __4// DISCONNECT BK--BLACK BR-BROWN P RESSLIRE LIMIT NEUT 0 -ORANGE Y -YELLOW R -RED BT-BLACK WiTH TRACER W -WHITE G -GREEN LOW WATER UT 1003-620...
- Page 16 STANDING PILOT VE:i\I7 )/¢4 Y'{ I:, I/0i E:X /:i t J(, _OL1 TRAHSFORMER " Bi< 1 15Vi@HZ/1 POWER SUPPM WiRE NUT OVER( U RI:_E'\! PROYEC COLOR CODE 01SCOk qECT BLACK BR BROW!N PRES _URE /IMIi NEUT Or#Ai,,OE YELOW _< Ik<ED B_ACK WFH TRACER GREEN...
- Page 17 POP SAFETY VALVE WATER FEEDER (Optional) The Model WF-2U-24 water feeder may be used with either The pop safety valve should open automatically if the boiler of the available low water cut-offs. The water feeder's job steam pressure exceeds the pressure rating of the valve (15 is to maintain a safe minimum water level.
- Page 18 WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. • Immediately call your gas supplier from a neighbor's A. Some boilers are equipped with an intermittent ignition phone.
- Page 19 1.STOP! Read t hesafety i nformation onpage 18. 9. Rotate the gas control knob counterclockwise i_ to "PILOT." Push down and hold the red reset button while 2. Set t hethermostat tolowest setting. you light pilot burner with a match. 3.Turn offallelectric p ower totheappliance.
- Page 20 HOW A STEAM SYSTEM OPERATES THERMOSTAT Keep it set at a desired room temperature. If windows are The water in the boiler is heated until it reaches the boiling point. As the water boils it turns into steam. The steam rises to be opened or heat is not needed, move thermostat pointer from the top of the water through the supply main to the to a lower setting.
- Page 21 ADJUST PILOT BURNER differential adjustment at 1 psi, i.e. the steam pressure Pilotflame should surround3/8" to 1/2" of the pilot sensor.Refer required in the radiators. This will give us a cut-off setpoint to Fig.19. If flame needsadjusting,do it asfoltows: of 11/2 psi. 1.Removescrewcover overpilot adjustingscrew.
- Page 22 drop the pressure setting until the boiler shuts down. This wilt show that the pressure limit is operating properly Refer to control manufacturer's instructions (enclosed) for more information. Check thermostat operation, When set above temperature indicated on the thermometer, boiler should ignite. Make certain the thermostat turns off the boiler when room temperature reaches the selected setting and starts the boiler operating when room temperature falls a few degrees,...
- Page 23 CLEANING YOUR BOILER FLUE PASSAGES Check the water level every day ortwo. Verify the water line shown by AND BURNERS operating the drain v alve onthegauge. BE SURE TOP A ND BOTTOM VALVES ON GAUGE ARE A LWAYS OPEN SO THAT ACTUAL WATER LEVEL FluePassages between sections should be examined yearly andcleaned,...
- Page 24 You may avoid inconvenience and service calls by checking these points before you call for service. FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS 1. Do Not try to light any appliance. 2. Do not touch any electric switch, do not use the phone. 3.
- Page 25 GAS - FIRED HOT WATER BOILERS - IMPORTANT- READ THESE INSTRUCTIONS BEFORE ORDERING All parts are listed in the following Parts List may be ordered through your nearest supplier. When ordering parts, first obtain the Model Number from the data plate on your boiler, than determine the Part No. (not the Key No.) and the Description of each part from the following...
- Page 26 FOR USE WITH NATURAL GAS ONLY NOTE: Actual gas valve may look different than gas valve shown NATURALGAS BURNERSAND MANIFOLDPARTS THIS IS A REPAIR PARTS LIST - NOT A PACKING LIST 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION DESCRIPTION...
- Page 27 FOR USE WITH PROPANE GAS ONLY NOTE: Actual gas valve may look different than gas valve shown PROPANE GAS BURNERSAND MANIFOLD PARTS THIS IS A REPAIR PARTS LIST - NOT A PACKING LIST 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION DESCRIPTION Part No,...
- Page 28 BOILER CONTROLS AND PIPING Part Description 157-00-01 ¾" Pop Safety Valve 115-00-01 ¾" Coupling 146-07-002 ¾" x 6%" Nipple 146-23-005 Steam Pressure Gauge AT-150D Transformer 146-62-305 PA-404A Pressretrol 146-62-015 146-22-005 Glass Water Gauge Set (used with PS-802 LWCO) Glass Water Gauge Set (used with 67D-1 LWCO) 146-22-010 14643-004 90°...