Page 3 - CONTENTS
WARNINGS 4 Pay Attention to These Terms 4 RECEIVING EQUIPMENT 5 GENERAL SPECIFICATIONS 5 INSTALLATION 7 Code Requirements 7 Mounting Base 7 Clearance Requirements 7 Combustion/Ventilation Air 8 Venting Connections 9 Vent Damper Installation Location 11 VENT DAMPER WIRING DIAGRAM 14 Gas Supply Connec...
Page 4 - WARNINGS; Pay Attention to These Ter ms
DANGER: Indicates the presence of immediate hazards which will cause severepersonal injury, death or substantial property damage if ignored. WARNING: Indicates the presence of hazards or unsafe practices which could causesevere personal injury, death or substantial property damage if ignored. CAUTIO...
Page 5 - RECEIVING EQUIPMENT
RECEIVING EQUIPMENT On receipt of your equipment, visually check for exter-nal damage to the carton. If the carton is damaged, itis suggested that a note be made on the Bill of Ladingwhen signing for the equipment. Remove the boiler from the carton, and if it is dam-aged, report the damage to the ca...
Page 7 - INSTALLATION; Code Requirements
7 INSTALLATION Code Requirements Installation must be in accordance with local codes, orin the absence of local codes, with the latest editionsof the National Fuel Gas Code, ANSI Z223.1, and theNational Electrical Code, ANSI/NFPA 70. In Canada,installations must conform with the current CSA B149and ...
Page 8 - Combustion/Ventilation Air
8 3. Except for carpeted flooring, boilers are certified for installation on combustible floors. 4. For un-insulated hot water pipes, maintain a 2" clearance, or consult local authority having juris-diction. Combustion/Ventilation Air 1. The boiler must be provided with adequate supply of air fo...
Page 9 - Venting Connections; Vent
9 Location of the openings is the same as in the previ-ous case - that is, within 12" of the top, and within 12"of the bottom of the enclosure. If horizontal ducts areused, the area must be doubled and the duct areashall not be less than the area of the openings theyconnect, and in no case s...
Page 10 - Common Vents; These boilers must not be connected
10 Roof Pitch (X/12) H (Min. ft) Flat to 6/12 1 6/12 to 7/12 1.25 Over 7/12 to 8/12 1.5 Over 8/12 to 9/12 2 Over 9/12 to 10/12 2.5 Over 10/12 to 11/12 3.25 Over 11/12 to 12/12 4 Over 12/12 to 14/12 5 Over 14/12 to 16/12 6 Over 16/12 to 18/12 7 Over 18/12 to 20/12 7.5 Over 20/12 to 21/12 8 Table F: M...
Page 12 - Mounting; Closed Position; Vent Damper Operation; Check vent damper operation as follows:
12 Mounting On vertical vents, the vent damper may be mountedwith the actuator in any position. On horizontal vents,do not mount the actuator either directly above ordirectly below the vent pipe; mount the vent damperactuator to the side of the vent. The vent damper is set up for a continuous pilot ...
Page 13 - Flair Damper; SS; HL
13 2. Turn the thermostat or controller up to call for heat and check that the vent damper indicator points tothe open position, as shown in Fig. 11. 3. Turn the thermostat or controller down again and check that the vent damper position indicatorreturns to the closed position. The vent damper must ...
Page 14 - VENT DAMPER
Page 15 - Gas Supply Connections; Sediment Trap Gas Valve; The boiler and its manual shut-off valve; Gas Pressure; Natural; Must be Supplied by Installer
15 Gas Supply Connections The inlet gas connection of the boiler gas valve is 1/2".Provide an adequate gas piping supply line no smallerthan 1/2", according to Table H above. Gas piping must have a sediment trap ahead of theboiler gas controls, and a manual shut-off valve locat-ed outside th...
Page 16 - System Flow
16 shipped loose. The full open position is appropriate formost systems, and ensures adequate flow through theboiler. If system flow is inadequate, (indicated by excessivetemperature drop through the system) the bypassvalve can be throttled slightly. Care must be takenagainst over-throttling which m...
Page 17 - Piping Diagrams
17 AirScoop Air Vent DiaphragmExpansion Tank Feed Valve Pipe Pressure Relief Valveto Drain Cold WaterInlet Heating Units Fig. 15: Single-Zone Piping AirScoop Air Vent DiaphragmExpansion Tank Feed Valve Pipe Pressure Relief Valveto Drain Cold WaterInlet Heating Units Circulators 12” Max. Fig. 16: Mul...
Page 18 - Electrical Wiring; If it is necessary to replace any of the
18 Electrical Wiring The electrical power supply requirement for these boil-ers is 120 VAC, 60 Hz. Field wiring connections andelectrical grounding must comply with the local codes,or in the absence of local codes, with the latest editionof the National Electrical Code, ANSI/NFPA 70. Provide a separ...
Page 19 - Wiring Diagrams
Page 26 - General Location of Controls
26 SERVICING PROCEDURES General Location of Controls Fast-ResponseTemperatureSensor 2-Stage Controller Relay Ignition Module(Auto Ignition Only) Fig. 25: Control Box Component Locations Models 135 & 180 CIRCULATOR VENT SENSOR BYPASS VALVE (MODELS 135 & 180 ONLY) BYPASS LINE TEMPERATUREAND PR...
Page 27 - BEFORE LIGHTING; Filling the System
27 START-UP PROCEDURES Lighting the Boiler Safe-lighting and other performance criteria were metwith the gas manifold and control assembly providedon the boiler when the boiler underwent tests specifiedin the latest edition of the ANSI-Z21.13/CSA 4.9Standard. For Standing Pilot Models A. This boiler...
Page 28 - For Automatic Ignition Models; BEFORE OPERATING; HONEYWELL PILOT ROBERTSHAW PILOT
28 For Standing Pilot Models withRober tshaw Gas Valve, 2-stage Operation(Models 90, 135 & 180) 10. Turn on all electrical power to the boiler.11. Set the thermostat to the desired setting. To Tur n Off Gas to the Boiler(Models 90, 135 & 180) For Automatic Ignition Models Please read careful...
Page 29 - For Honeywell valve:; To Tur n Off Gas to the Boiler; For Robertshaw valve:; Turn off all electrical switches to the boiler.
29 technician. Force or attempted repair may result in a fire or explosion. D. Do not use this boiler if any part has been under water. Immediately call a qualified service techni-cian to inspect the boiler and to replace any part ofthe control system and any gas control which hasbeen under water. F...
Page 30 - For Standing Pilot Systems; Insert a small slot screw driver and turn the; Limit Action
30 3. Turn off all gas valves supplying gas to the boiler. Refer to operating instruction label on the boiler. 4. Shut-off the water supply to the boiler piping sys- tem loop. 5. Open drain valve on the boiler to remove water from the boiler and the piping circuits. Testing the Ignition SafetyShut-o...
Page 31 - Inspection Procedures; Bur ners
31 Inspection Procedures Bur ners Clean main burners and air louvers of dust, lint anddebris. Keep boiler area clear and free from com-bustibles and flammable liquids. Do not obstruct theflow of combustion and ventilation air. Make visualcheck of burner and pilot flame. Yellow flame indicatescloggin...
Page 32 - REPAIR PROCEDURES; Heat Exchanger Removal; Auger with Carbide Tip; RAYPAK TUBE CLEANING KIT
32 Bur ner Tray Removal 1. Shut-off power and gas supply to the boiler. Disconnect union(s) and pilot tubing when pres-ent; then loosen and remove burner hold-downscrews. 2. Disconnect wires at gas valve and slide burner tray out. Main Bur ner and Orifice Removal 1. Remove screws and burner hold-dow...
Page 34 - TROUBLESHOOTING
34 TROUBLESHOOTING These instructions are primarily intended for the use of qualified personnel specifically trained and experiencedin the installation of this type of heating equipment and related system components. Installation and service per-sonnel may be required by some states to be licensed. ...
Page 37 - Circulator Replacement; Replacement Par ts List
37 7. Remove the wedge or retaining clip holding the sensing bulb in the control well in the in/out head-er. 8. Pull out the sensing bulb carefully from the control well. 9. Remove the limit control with capillary from unit.10. Reverse above procedure to re-install. Fast-Response Temperature SensorM...