This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption drinking or cooking. This item is for non-potable non-human consumption water applications only. This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption drinking or cooking to meet low-lead standards.
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Install 4" x 3" reducing fitting on vent damper outlet or draft hood outlet for Canadian boiler not equipped with vent damper. Vent pipe should slope upward from draft hood to chimney not less than one inch in four feet. No portion of vent pipe should run downward or have dips or sags. Vent pipe must be securely supported. Vent pipe must be inserted into but not beyond inside wall of chimney liner.
Seal tight between vent pipe and chimney. Both standards prohibit the use of unlined masonry construction as a chimney, with the exception in ANSI Z Do not connect into same leg of chimney serving an open fireplace. Inspect chimney for obstructions or restrictions and remove.
Clean chimney if necessary. Vent pipe to chimney must not be smaller than outlet on draft hood or damper. Although single wall vent pipe may be used, Type B is recommended. The venting system must be arranged so that only the boiler is served by the damper device. Installation per paragraph 12 complies with this provision. Do not connect the vent of this appliance into any portion of mechanical draft system operating under positive pressure. Vent pipe should have the greatest possible initial rise above the draft hood consistent with the head room available and the required clearance from adjacent combustible building structure.
Vent Pipe should be. When an existing boiler is removed from a common venting system, the common venting system is likely to be too large for proper venting of the appliances remaining to it.
At the time of removal of an existing boiler, the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation:.
Seal any unused openings in the common venting system. Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction, leakage, corrosion, and other deficiencies which could cause an unsafe condition. Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building.
Turn on clothes dryers and any appliance not connected to the common venting system. Turn on any exhaust fans, such as range-hoods and bathroom exhausts, so they will operate at maximum speed. Do not operate a summer exhaust fan. Close fireplace dampers. Place in operation the appliance being inspected. Follow the Lighting or Operating Instructions. Adjust thermostat so appliance will operate continuously. 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. After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas burning appliance to their previous conditions of use.
When resizing any portion of the common venting system, the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part 11 in the National Fuel Gas Code, NFPA. Never install thermostat on an outside wall or where it will be influenced by drafts, hot or cold water pipes, lighting fixtures, television, rays of the sun or near a fireplace.
Keep large furniture away from thermostat so there will be free movement of room air around this control. Heat Anticipator in Thermostat should be set to match the requirements of the control to which it is connected. See Table 4. If system tends to overheat above the thermostat's temperature setting, reduce heat anticipator setting by.
If system tends to short cycle without reaching desired room temperature, increase heat anticipator setting by. See Figures 11 through 14 for applicable wiring diagram. For zone valve wiring, a separate 24V transformer is required rather than attempting to use the boiler mounted control.
Consult zone valve manufacturer for assistance. If system tends to overheat above thermostat's temperature setting, reduce heat anticipator setting by 0. If system tends to shortcycle without reaching desired room temperature, increase heat. The Vent Damper is continuously powered at Terminal 1. When there is a call for heat, the damper relay coil is energized through Terminal 5 if all limits ahead of the damper are satisfied.
The relay coil closes contacts which energize the damper motor, causing the damper to open. When the damper blade reaches the fully open position, power is sent back to the ignition circuit through Terminal 2 and the damper motor is de-energized. When the call for heat is satisfied, the damper relay coil. This causes the damper to close. When the damper blade reaches the fully closed position, the damper motor is de-energized.
Combustion can never take place unless the damper blade is in the fully open position. When the thermostat call for heat, the vent damper will open see paragraphs 17A through 17D. The circulator is started through a relay and at the same time the gas valve is energized allowing main gas flow and ignition of main burners. Where condensation of flue gas is encountered in boiler flues a reverse acting circulator control should be installed to stop the circulator before the boiler water temperature drops to that which flue gas condensation may occur.
After the thermostat is satisfied the main valve will close and main burner flames will be extinguished. The vent damper will close see paragraph 17E. In the event excessive boiler water temperature is developed the high limit switch will open interrupting power to the gas valve. The main burners will be extinguished immediately, and the vent damper will close at the same time, but the circulator will continue to operated. Normal operation will be resumed when the boiler water temperature drops to a point where the high limit switch closes.
In the event excessive blockage in the vent system is developed the blocked vent switch will open interrupting power to the gas valve. The main burners will be extinguished immediately, the circulator will continue to operate, and the vent damper will remain open until the thermostat is turned off.
The source of blockage must be corrected by trained and skilled personnel from a qualified service agency before resetting switch. In the event excessive blockage in the boiler section flue passageways is developed the flame rollout switch will open interrupting power to the gas valve.
The main burners will be extinguished immediately, the circulator will continue to operate and the vent damper will remain open until the thermostat is turned off. If the flame rollout switch is activated do not attempt to place the boiler in operation. The source of blockage must be corrected and the flame rollout switch replaced by trained and skilled personnel from a qualified service agency.
Main Burners and Pilot Burner will be extinguished immediately. Normal operation will be resumed when the boiler water temperature drops to a point where the High Limit Switch closes.
Main burners and pilot burner will be extinguished immediately. Any pilot failure on the Q or Q Pilot will close the main gas valve and energize the igniter. If the igniter breaks or becomes disconnected, the pilot valve coil loses power, closing the pilot valve. The igniter and pilot gas valve will stay energized until either the pilot lights or the call for heat ends. If the pilot fails to light after a 90 second trial for ignition, the igniter will be de-energized and the pilot gas valve will close.
After a 5 minute delay, the igniter will be re-energized and the pilot gas valve will re-open. This continuous retry cycle will end either when the pilot lights or the call for heat ends. Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up.
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Your password reset link is on its way. If you have problems accessing your account, please contact us at and we'll help you out. If you think this is a mistake, please contact Customer Service at or email us.
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