11
    LEGEND
Bhp  —
  Brake Horsepower
*Indicates automatic reset.
†48HJD008,009 units have 3 burners.
48HJD012 and 48HJE008,009 units have 4 burners.
48HJF008,009; 48HJE/HJF012; and the 48HJD/HJE014 have 5 burners.
**An LP Conversion Kit is available as an accessory.
BASE UNIT 48HJ D/E/F008 D/E/F009 D/E/F012 D/E014
FURNACE SECTION
Rollout Switch Cutout (Temp (F)*
195 195 195 195
Burner Orifice Diameter (in. ...drill size)†
Natural Gas — Std
.120...31 .120...31 .120...31/.120...31/.129...30 .120...31/.129...30
Liquid Propane — Alt**
.096...41 .096...41 .096...41/.096...41/.102...38 .096...41/.102...38
Thermostat Heat Anticipator Setting (amps)
Stage 1
.14/.14/.14 .14/.14/.14 .14 .14
Stage 2
.14/.20/.20 .14/.20/.20 .20 .20
Gas Input
Stage 1
90,000/120,000/180,000 90,000/120,000/180,000 120,000/180,000/200,000 180,000/200,000
Stage 2
125,000/180,000/224,000 125,000/180,000/224,000 180,000/224,000/250,000 224,000/250,000
Efficiency (Steady State) (%)
82/82/82 82/82/82 82/82/80 82/80
Temperature Rise Range
20-50/35-65/45-75 20-50/35-65/45-75 35-65/35-65/40-70 35-65/40-70
Manifold Pressure (in. wg)
Natural Gas — Std
3.5 3.5 3.5 3.5
Liquid Propane — Alt**
3.5 3.5 3.5 3.5
Field Gas Connection Size (in.)
.50/.75/.75 .50/.75/.75 .75/.75/.75 .75/.75
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
450 ± 50
Cutout
428
Reset (Auto.)
320
LOSS-OF-CHARGE/LOW-PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
7 ± 3
Reset (Auto.)
22 ± 5
FREEZE-PROTECTION THERMOSTAT
Opens (F)
30 ± 5
Closes (F)
45 ± 5
OUTDOOR-AIR INLET SCREENS
Cleanable
Quantity...Size (in.)
1...20 x 25 x 1
1...16 x 25 x 1
RETURN-AIR FILTERS
Throwaway
Quantity...Size (in.)
4...16 x 20 x 2 4...16 x 20 x 2 4...20 x 20 x 2 4...20 x 20 x 2