Grain Systems PNEG-823 User Manual
Page 3
PNEG-823 Deluxe Downwind Heater
3
Table of Contents
Contents
Safety Guidelines ............................................................................................................................... 5
Fuel Warning ...................................................................................................................................... 6
Power Warning ................................................................................................................................... 6
Proper Use of Product ........................................................................................................................ 6
Heater Operation ................................................................................................................................ 6
Safety Instructions .............................................................................................................................. 7
Machine to Earth Ground ................................................................................................................. 10
Proper Installation of the Ground Rod .............................................................................................. 10
Previously Installed Units ................................................................................................................. 11
Fuel Connection ............................................................................................................................... 12
Heater Specifications ....................................................................................................................... 13
Plenum Thermostat Mounting .......................................................................................................... 13
Transition High-Limit Installation ...................................................................................................... 14
For Units Using HF-7318 Control Board .......................................................................................... 16
Installation for Standard Units .......................................................................................................... 16
Additional Steps for High-Low Units ................................................................................................. 16
Electrical Installation (230V Fans) .................................................................................................... 17
Electrical Installation (460V Fans) .................................................................................................... 18
Cycling Heater Operation ................................................................................................................. 20
High-Low Heater Operation .............................................................................................................. 20
Modulating Valve Operation ............................................................................................................. 21
10 HP-15 HP Units BTUs per Gauge Pressure (PSI) Propane Models (Approximate) .................... 22
10 HP-15 HP Units BTUs per Gauge Pressure (PSI) Natural Gas Models (Approximate) .............. 22
20 HP-40 HP Units BTUs per Gauge Pressure (PSI) Propane Models (Approximate) .................... 23
20 HP-40 HP Units BTUs per Gauge Pressure (PSI) Natural Gas Models (Approximate) .............. 24
Low-Temperature Units BTUs per Gauge Pressure (PSI) Propane Models (Approximate) ............ 24
Low-Temperature Units BTUs per Gauge Pressure (PSI) Natural Gas Models (Approximate) ...... 24
Adjusting the Vaporizer .................................................................................................................... 25