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. DESIGN FEATURES <br /> ODINE <br /> Figure 4.1 - Factory Mounted Standard Features <br /> 16 I. <br /> iiL_ iiiiiiiic <br /> F t- 11 ji tr) <br /> __: <br /> a <br /> 4:_i___.--- ittiiii_i.., , .... <br /> 0 ._,., ,______________________Ko o Li <br /> vVit: '- ---,,, ' <br /> ® • --- <br /> Gifu io 0 Model PTC Model BTC <br /> 10 Power Exhauster % High Limit Switches <br /> All units are supplied with a round vent pipe and combustion air One limit control is mounted in the air stream and will shut off the <br /> inlet pipe connections. gas supply in the event of overheating.The other limit control is <br /> z Pressure Switch mounted on the power exhauster housing and will shut off the gas <br /> An automatic reset vent pressure switch is supplied on all units supply in the event of overheating flue gas temperatures. <br /> and is designed to prevent operation of the main burner in the 10 Condensate Drain Overflow Switch <br /> event there is restricted venting of flue products.This restriction Shuts down gas controls if condensate is not properly draining <br /> may occur due to an improper vent diameter, long vent runs, from the unit. <br /> un-approved vent terminal, high winds, high negative pressure C Gas Pipe Connection <br /> within space,etc.After the cause of the restriction has been Easy access to factory installed gas pipe connection stubbed to <br /> corrected,the pressure switch will reset automatically. outside of unit casing. <br /> C3:, Control Step Down Transformer S Condensate Drain Connection <br /> The control step down transformer is located in the electrical Easy access to factory installed condensate drain pipe connection <br /> junction box.The transformer is used to step down from 115V stubbed to outside of unit casing. <br /> to 24V for the gas controls, fan delay relay,field supplied motor Combustion Air Inlet Pipe Connection <br /> starter, etc.An additional field installed transformer is required if Simple connection for combustion air inlet piping. <br /> the supply voltage is 208V, 230V,460V, or 575V.To determine <br /> the control transformer supplied as well as any required ®Vent Pipe Connection <br /> accessory transformers, refer to Table 10.1. Simple Fernco®rubber boot connection for PVC vent system. <br /> ® Integrated Direct Spark Control Board ®Fan Guard(Standard for PTC Models) <br /> The integrated direct spark ignition control combines all furnace Propeller units may be equiped with an optional finger proof fan <br /> control functions.The integrated board provides digital control guard (standard on size 110 and smaller)for added protection. If <br /> of the air mover, inducer, ignition, gas valve and flame sense ordered,the finger proof fan guard is installed at the factory in place <br /> as well as monitoring the safety circuit at all times.The board of the standard fan guard. <br /> includes LED diagnostics for trouble shooting and a fused 3 Contractor Convenience Package <br /> power supply. Ignition control is 100%shut-off with continuous External junction box features simple connection of supply power <br /> retry. wiring internally,thermostat wiring to terminals externally, an <br /> ® Flame Sensor On/Off switch, a single 115V outlet for connection of an external <br /> Remote flame sensor verifies ignition of all burners, monitors condensate pump, and status indicator lights to display the <br /> the flame signal and communicates with the integrated circuit operational state of the unit. <br /> board. Horizontal Air Deflector Blades <br /> U Single Stage Gas Valve Factory mounted on the discharge of the unit,the blades can <br /> The main gas valve is factory installed on the unit heater gas be adjusted to provide horizontal (up and down)delivery control of <br /> train.The main gas valve provides regulator, main gas, and the heated air.Vertical deflector blades are available as a field <br /> manual shutoff functions.The valve is redundant and provides installed accessory. <br /> 100%shut off. Blower Motor(Standard for BTC Models) <br /> CD Flame Roll Out Switch(size 110 and smaller only)(hidden) Blower motors smaller than 3 HP are factory installed on the blower <br /> Flame roll out switches are mounted near the burners and will housing. Motors 3 HP and above ship loose for field installation to <br /> shut off the gas supply in the event of an unsafe flame roll out prevent damage during shipment.The blower motor is supplied with <br /> condition. an adjustable sheave that can be used to increase/decrease the <br /> ® Direct Spark Igniter blower RPM,and the blower motor can be provided in a variety of <br /> Provides spark for direct ignition of the burners. supply voltages and motor horsepowers. <br /> rL Blower Enclosure(OPT for BTC Models) <br /> Filter Rack(OPT for BTC Models) <br /> Provides filtration of air to be heated. Must include Blower <br /> Enclosure accessory. <br /> 4 6-170.7 <br />