F. Boiler Control 1. The following safety controls shall be provided: a. High limit control b. Flow switch c. PSIG ASME pressure relief valve, piped by the installer to an approved drain d. Temperature and pressure gauge 2. The boiler(s) shall be equipped with an energy-saving pump control relay (Economaster), mounted and wired, which automatically shuts off the boiler pump at a set period after boiler shut-down (adjustable for two settings of five or ten minutes) to avoid standby losses associa

Fin Tubing Copper – Standard Cupro Nickel – Option A-3 • ASME Powder-Coated Tube Sheet • Silicone High Temp O-Rings • ASME Pressure Relief Valve 60 PSIG – Standard PSIG – Optional • Temperature and Pressure Gauge, Shipped Loose • Stainless Steel Evaporator Plate Control • 120V, 60Hz, 1O, Power Supply • 120/24V 60Hz Transformer • Ignition Module 3-Try – Standard Single-Try – Option C-6 • Hot Surface Ignition (HSI) • Remote Flame Sensor • High Limit, Manual Reset, Fixed, 240.F • On/Off Power Switc

Inspect the vent terminal outside the building. Make sure it is not damaged to cause blockage or restriction of the flue gas. Observe for any indication of soot. The presence of soot accumulation in the vent terminal would indicate an abnormal operating condition. This should be investigated and corrected by a qualified service agency. SOOT CORROSION DISENGAGED Fig. #8204.0 3. Circulator (Water Pump) Inspection. The circulator is permanently lubricated and thus, will not require any lubrication.

3. For Honeywell Valve: Turn gas control knob clockwise to "Off". Make sure knob rest against stop. For Robertshaw Valve: Push in and move gas control lever to "Off" position. HONEYWELL PILOT CAUTION: Should overheating occur or the gas supply fails to shut off, DO NOT turn off or disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the appliance. Failure to observe this precaution may aggravate the overheated condition resulting in possible da

#8934.0 ROBERTSHAW (All Models) 8. Turn on all electric power to the boiler. 9. Set thermostat to desired setting. 10. If the boiler will not operate, follow the instruction "To Turn Off Gas To Boiler" and call your service technician or gas supplier. TO TURN OFF GAS TO BOILER 1. Set the thermostat at the lowest setting. 2. Turn off all the electric power to the boiler if service is to be performed. 3. For Honeywell Valve: Turn gas control knob clockwise to "Off". Make sure knob rest against sto

FOR STANDING PILOT MODELS WITH ROBERTSHAW GAS VALVE, 2 STAGE OPERATION. (Models 90, 135 & 180) 1. STOP! Read the safety information. 2. Set the thermostat to the lowest setting. 3. Turn off all electric power to the appliance. 4. Push in and move gas control lever counterclockwise to "OFF" position. GAS CONTROL LEVER SHOWN IN "OFF" POSITION GAS INLET Fig. #8934.0 NOTE: Lever cannot be moved from "ON" to "OFF" unless lever is pushed in slightly. Do not force. 5. Wait five (5) minutes to clear out

LIGHTING INSTRUCTIONS FOR STANDING PILOT MODELS. Some safety information you need to read and under stand before operating the boiler. WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This boiler has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING Smell all around the boiler area for gas. Be sure to smell next to the floor beca

A. This boiler does not have a pilot. It is equipped with a hot surface ignition device which automatically lights the burners. Do not try to light the burners by hand. B. BEFORE OPERATING smell all around the boiler area for gas. Be sure to smell next to the floor because some gases are heavier than air and will settle on the floor. WHAT TO DO IF YOU SMELL GAS * Do not try to light any appliance. * Do not touch any electric switch; * Do not use any phone in your building. * Immediately call you

To do so may result in an explosion or fire. -WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. -Installation and service must be performed by a qualified installer, service agency or the gas supplier. CAUTIONS: Propane gas is heavier than

3 Patent No. 6,904,873; Other patent pending Do not store or use gasoline or other flammable vapors and liquids do so may Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's , service agency or the gas This manual should be maintained in legible condition and kept adjacent to the heater or in another safe place for FlexGas™ NOTE: THIS MANUAL IS SUPPLEMENTAL FOR THE FLEXGAS MODELS OF THE HI DELTA HEATERS. THIS MANUAL ADDRESSES THE SPECIFIC DIF- FERENCES BETWEEN T