Thermo Products OH5-85 Furnace User Manual


 
All installations and services must be performed by qualified service personnel.
10
STANDARD BURNER NOZZLES: The OL2, OH2, OC2 and OC1, along with the OL33, OL37 and OL39 have
the nozzles already installed in the burners. The balance of the oil units has the nozzles shipped as loose items with
the furnace. Below is a chart showing the heating capacity of the furnace for each approved nozzle size.
OIL NOZZLE CAPACITY CHART
EQUIVALENT EFFECTIVE
HEAT HEATING
INPUT RATE* CAPACITY**
UNITS NOZZLE SIZE (BTU/HR) (BTU/HR)
(GPH)
__________________________________________________________________________________________
OH2,OL2,OC2 .50 70,000 56,000
.55 77,000 61,600
OH3 .65 91,000 72,800
OL,OH,OC,OT5 .75 106,250 85,000
OC5 .85 119,000 95,200
OL, OT11 .85 119,000 95,200
.90 126,000 100,800
OH11 1.00 140,000 112,000
OH,OL,OT16 1.10 154,000 123,200
1.20 168,000 134,400
1.25 175,000 140,000
OL20 1.35 189.000 151,200
OL33 1.75 245,000 196,000
2.00 280,000 224,000
OL37 2.25 315,000 252,000
2.50 350,000 280,000
OL39 2.75 385,000 308,000
3.00 420,000 336,000
All rates shown above achieved with 100 PSIG pump pressure (except for OH2, OL2 and OC2, which require 120
PSIG).
* Based on #2 domestic heating fuel oil having heating value of 140,000 BTU per gallon.
** Based on thermal efficiency of 80%.