HydroTherm VGX 288 Installation And Operation Instructions Manual Download Page 18 | Manualshive

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18

INSTALLATION AND OPERATING INSTRUCTIONS

Figure 7.6:

Steam Boiler – Wiring Diagram for Models with P

robe Low W

ater Cut

-off

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Summary of Contents for VGX 288

Page 1: ...er resulting in possible severe personal injury death or substantial property damage The boiler can only be operated with a dust freeairsupply Followtheinstructionmanualprocedurestoductairtotheboilera...

Page 2: ...OLS CHECK 21 G CLEAN THE BOILER 21 H BOILER SHUT DOWN 22 9 MAINTENANCE 25 A GENERAL 26 B DAILY MAINTENANCE 26 C WEEKLY MAINTENANCE 26 D MONTHLY MAINTENANCE 26 E ANNUAL MAINTENANCE 26 F AS REQUIRED MAI...

Page 3: ...E CSD 1 Controls Safety Devices for Automatically Fired Boilers f ANSI NFPA 211 Chimneys Fireplaces vents and Solid Fuel Burning Appliances 3 Where required by the authority having jurisdiction the in...

Page 4: ...he minimum required volume of indoor air for appliances other than fan assisted and for the boiler shall be determined as follows where Iother Input of appliances other than fan assisted in Btu hr ACH...

Page 5: ...ucts each opening shall have a minimum free area of 1 in2 per 2000 Btu hr 22 cm2 per 2000 W of total rated input for all appliances in the space See Figure 1 5 b One Permanent Opening Method Provide o...

Page 6: ...area specified ii Where the free area through a louver or grille is not known it shall be assumed that wooden louvers will have 25 free area and metal louvers and grilles will have 75 free area iii N...

Page 7: ...1 4 per foot c Do not connect the vent for this boiler into any vent system which operates with positive pressure d The vent connector must be single wall steel or Type B double wall vent pipe The ve...

Page 8: ...nsafe condition Effectuer un contr le visuel du syst me d vacuation pour v rifier la taille et la pente horizontale et s assurer qu il n existe aucun blocage ou obstruction fuite corrosion ni tout aut...

Page 9: ...pareil qui demeure raccord au syst me commun sont ad quatement vacu s lorsque soumis au test d crit ci dessus remettre en place les portes fen tres portes int rieures ventilateurs aspirants registres...

Page 10: ...up in the steam header Figure 4 3 Steam Piping Single Supply Connection Use swing joints to attach to the header to avoid damage to the boiler due to thermal expansion and contraction of steam header...

Page 11: ...f Set Limit at 160 F to avoid steam generation during periods when only the domestic water is calling for heat 3 Install circulator and strainer in supply piping Install 11 INSTALLATION AND OPERATING...

Page 12: ...the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa 5 FUEL...

Page 13: ...RIM 1 Safety Valve a Pipe the boiler safety valve provided into the 3 4 tapping on the left side of the boiler as shown in Figure 6 1 Be sure that the relief valve is sized in accordance with local co...

Page 14: ...Install the gauge glass provided into two 1 2 tappings on the right side of the boiler If a float type low water cut off is used it will be piped into these same fittings See Figure 6 3 and 6 4 for e...

Page 15: ...be connected to a separate permanently live electrical supply line with a fused disconnect switch B MOUNT REMAINING CONTROLS 1 Steam Boilers Mount the control transformer on the junction box as shown...

Page 16: ...unt the ignition module as shown in Figure 7 4 C INSTALL CONTROL WIRING 1 Wire the boiler according to the wiring diagram supplied with the boiler in the Control Envelope Figures 7 5 to 7 7 are provid...

Page 17: ...17 INSTALLATION AND OPERATING INSTRUCTIONS Figure 7 5 Steam Boiler Wiring Diagram for Models with Float Low Water Cut off...

Page 18: ...18 INSTALLATION AND OPERATING INSTRUCTIONS Figure 7 6 Steam Boiler Wiring Diagram for Models with Probe Low Water Cut off...

Page 19: ...19 INSTALLATION AND OPERATING INSTRUCTIONS Figure 7 7 Typical Steam Boiler Indirect Water Heater Wiring...

Page 20: ...ure Controls so they will call for heat c Check for a continuous spark at the electronic spark ignited pilot d The control will spark for 90 seconds trial for ignition then shut down for a 5 to 6 minu...

Page 21: ...udge or other impurities that may be in the system These substances can cause foaming and surging of the boiler water producing an unstable water line and water carryover to the system 3 Thread a 1 1...

Page 22: ...at the power cannot be turned on accidentally c Be certain that the boiler and system are refilled before returning to service Follow the Instructions in this manual and the Lighting Instructions to o...

Page 23: ...urn the gas control knob counterclockwise to ON 9 Replace control access panel if applicable 10 Turn on all electrical power to the appliance 11 Set thermostat or operating control to desired setting...

Page 24: ...24 INSTALLATION AND OPERATING INSTRUCTIONS Figure 8 3...

Page 25: ...ry Measures Provide adequate ventilation Wear a NIOSH MSHA approved respirator Wear long sleeved loose fitting clothing and gloves to prevent skin contact Wear eye goggles Minimize airborne dust prior...

Page 26: ...leaks in boiler and system piping 5 Smell around the appliance area for gas If you smell gas follow the To Turn Off Gas to Appliance procedure listed in the Lighting Operating Instructions in Section...

Page 27: ...blocked vent switch wiring harness to blocked vent switch k Re install burners 2 Inspect entire venting system for corrosion support and joint integrity Repair as necessary 3 Check the pilot and main...

Page 28: ...t Main Gas Pressure Regulator or Check Line Pressure Burner Ports Partially Closed Rust Dirt Lint etc Replace Burners or Clean Ports Insufficient Air for Combustion Check Size of Combustion Air Openin...

Page 29: ...causing water trap ping in return Remove Trap at Tank Install Drip Traps and Radiator Traps where Required Boiler feed pump or condensate pump feed rate too fast causing spraying into equalizer Throt...

Page 30: ...bove Table 10 1 cont d Boiler Troubleshooting Table 10 2 Capable Controls Series 5 Ignition Module Sequence of Operation and Error Codes Trial for Ignition 90 seconds 5 minute wait between trials for...

Page 31: ...OL GOES INTO LOCKOUT OR RETRY DELAY RESET THE CALL FOR HEAT CHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRE CLEAN FLAME ROD CHECK ELECTRICAL CONNECTIONS BETWEEN FLAME ROD AND MODULE CHECK FOR CRACK...

Page 32: ...imensions and Tapping Locations Table 11 1 Tapping Sizes Functions Table 11 2 Dimensions Tap ID Size NPT Steam J 1 1 4 Skim Tapping K 1 Tank Supply Limit L 1 Tank Return M 3 4 Boiler Drain N 3 Supply...

Page 33: ...feet above sea level 2 Heating Capacity and Annual Fuel Utilization Efficiency AFUE ratings are based on U S Government tests Before purchasing this appliance read important information about its est...

Page 34: ...34 INSTALLATION AND OPERATING INSTRUCTIONS 12 REPAIR PARTS Figure 12 1 Note Remember to include boiler model number and serial number when ordering parts...

Page 35: ...50163 18 Gas Valve NAT 206 288 Honeywell VR8304M 4002 50589 Gas Valve NAT 88 177 Honeywell VR8204A 2001 50583 Gas Valve LP 206 288 Honeywell VR8304M 4010 50590 Gas Valve LP 88 177 Honeywell VR8204A 21...

Page 36: ...l or reinstallation of the Product or parts thereof c to any other cast iron parts of the boiler d to burners jackets controls and other auxiliary equipment furnished by the Manufacturer but manufactu...

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