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Catalog No.: 2100.50V
Effective: 04-01-04
Replaces: 01-01-03
INSTALLATION
AND OPERATING
INSTRUCTIONS
TM
Raytherm
Type H
RESIDENTIAL BOILERS
Models
0030B, 0042B, 0066B,0090B
0135B, 0180B
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and liquids or other combustible materials
in the vicinity of this or any other appliance. To do so may result in an explosion or fire.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause
property damage,
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Contents RECEIVING EQUIPMENT................................................................................. 3 GENERAL SPECIFICATIONS........................................................................... 3 INSTALLATION PROCEDURES........................................................................ 4 Code Requirements.....................................................................................4 Mounting Base......................................................................
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RECEIVING EQUIPMENT Follow the installation instructions furnished with the vent On receipt of your equipment, visually check for damper package. The plug-in connector can also be external damage to the carton. If the carton is damaged, used with power venters. Refer to the specific installation it is suggested that a note be made on the Bill of Lading instructions supplied by the power vent manufacturer. when signing for the equipment. Remove the boiler from the carton, and if it is damage
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3. INSTALLATION PROCEDURES CODE REQUIREMENTS CLEARANCE REQUIREMENTS Installation must be in accordance with local 1) Minimum Clearances From Combustible Materials codes, or, in the absence of local codes, with the latest editions of the National Fuel Gas Code, ANSI Z223.1, Model Floor Front Back Right Left Top Flue and the National Electrical Code, ANSI/NFPA 70. In No. Vent 0030 Canada, installations must conform with the current 0042 Comb. 4" 6"
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2) When the boiler is installed in a confined space Location of the openings is the same as in the such as a utility room or closet (Models 0030,0042 previous case - that is, within 12" of the top, and within 12" and 0066 only), where all air is supplied from inside of the bottom of the enclosure. If horizontal ducts are the building, the boiler room must be provided with used, the area must be doubled and the duct area shall two openings, each one having a minimum net free not be less than t
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The weight of the vent stack or chimney must not rest on the boiler's drafthood. Support must be provided in compliance with applicable codes. The boiler top and drafthood must be readily removable for maintenance and inspection. Vent pipe should be adequately supported to maintain proper clearances from combustible construc- tion. Type "B" double-wall (or equivalent vent pipe is recommended. However single-wall metal vent pipe may be used as specified in the latest edition of the National F
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At the time of removal of an existing boiler, the VENT DAMPER INSTALLATION following steps shall be followed with each appliance remaining connected to the common venting system LOCATION placed in operation, while the other appliances remain- The vent damper supplied with each boiler must be ing connected to the common venting system are not in located in the vent so that it serves only the appliance for operation. which it is intended. If improperly installed, a hazardous condition, (a) Seal an
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MOUNTING On vertical vents, the vent damper may be mounted with the actuator in any position. On horizontal vents, do not mount the actuator either directly above or directly below the vent pipe; mount the vent damper actuator to the side of the vent. The vent damper is set up for a continuous pilot system. If the vent damper is installed on a system with an Intermittent Pilot or Hot Surface Ignition the energy savings of the vent damper can be improved by plugging the hole in the vent damper
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VENT DAMPER OPERATION For safe, efficient operation, the vent damper and all flue-product-carrying areas of the appliance must be checked annually, with particular attention given to deterioration from corrosion or other sources. Check vent damper operation as follows: 1. When the boiler is off, check that the vent damper position indicator points to the closed position, below. DAMPER POSITION DAMPER POSITION INDICATOR INDICATOR NOTE: To place vent damper in the open position to allow burner op
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CONNECTION DIAGRAM 10
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GAS SUPPLY CONNECTIONS The gas valve is provided with pressure taps to The inlet gas connection of the boiler gas valve is measure gas pressure upstream of the gas valve and 1/2". Provide an adequate gas piping supply line no downstream which is the same as the manifold pres- smaller than 1/2", according to the chart below: sure. Maximum Equivalent Pipe Length (Feet) WATER CONNECTIONS & SYSTEM PIPING The pipe size for water connections is shown on page 3. Typical piping systems are shown o
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Systems with multiple zones may require an additional circulator. Consult manufacturer's data for valve pressure drops. When an indirect water heating system is used, it is recommended that a separate circulator be installed to meet the required flow and pressure drop conditions of the indirect water heater. We recommend that the make-up water from the cold water line have a check valve, gate valve, and feedwater regulator set at 12 psig. Install unions and gate or ball valves at inlet and o
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AIR VENT AIR SCOOP DIAPHRAGM EXPANSION FEED TANK VALVE PIPE PRESSURE RELIEF VALVE TO DRAIN ZONE COLD VALVES WATER HOT WATER INLET SUPPLY HEATING UNITS CIRCULATOR COLD WATER SUPPLY Fig.# 8998.1 ZONE HEATING WITH INDIRECT DOMESTIC HOT WATER SUPPLY 13
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12" MAX. AIR VENT AIR SCOOP DIAPHRAGM EXPANSION FEED TANK VALVE PIPE PRESSURE RELIEF VALVE TO DRAIN CIRCULATORS COLD WATER INLET HEATING UNITS Fig. #8999.1 MULTIPLE ZONES WITH CIRCULATORS AIR VENT AIR SCOOP DIAPHRAGM EXPANSION TANK FEED VALVE PIPE PRESSURE RELIEF VALVE TO DRAIN COLD ZONE WATER VALVES INLET HEATING UNITS Fig. #9000.1 MULTIPLE ZONES WITH ZONE VALVES 14
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ELECTRICAL WIRING The electrical power supply requirement for these The room thermostat should be installed in accordance boilers is 115 volts, 60 Hz. Field wiring connections and with the manufacturer's instructions. The thermostat heat electrical grounding must comply with the local codes, anticipator should be set at 1.0 ampere (automatic or in the absence of local codes, with the National ignition) and 0.60 ampere (standing pilot) for single- zone Electrical Code, ANSI/NFPA 70-1987. Provide
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WIRING DIAGRAM KEY 16
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WIRING DIAGRAM: Single-Zone Taco Valve Fig. # 2228e WIRING DIAGRAM: Dual-Zone Taco Valve Fig. # 2229e NOTE: Maximum three (3) zone valves per one (1) 40 VA transformer. WIRING DIAGRAM: Dual-Zone Honeywell Valve Fig. # 2230e NOTE: Maximum five (5) zone valves per one (1) 40 VA Transformer. 19
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WIRING DIAGRAM: System with (3) Zone Pumps Fig. #2232e NOTE: Check VA rating of each relay coil. Total load must not exceed VA rating of transformer. WIRING DIAGRAM: Power Vent System w/ Zone Valve Fig. #2233e Fig. #2234e 20
