Description |
Model |
| IHF |
IMU |
IHV |
Blower section with variable drive (thru 10
H.P.
Motor Start (priced separately).
Insulation of blower section.
|
Std. Std.
Std. |
Std. Std.
Std. |
Std. Std.
Std. |
Natural (6" to 14") or propane
(11" to 14") gas duct furnace(s). Available with aluminized steel, type 409,
stainless or 321 stainless steel heat exchanger(s).
Electric ignition, intermittent pilot. N.G. models with
100% or non-100% shut-off.
L.P. models with 100% shut-off only.
Model 100 thru 255 furnaces.
Model 300 and 400 furnaces.
Modulating gas valve.
Modulating gas valve and by-pass valve manifold
|
Std. (see note)
Opt.
Std.
NA
NA |
Std. (See note)
Opt.
Std.
Std.
NA |
Std. (see note)
Opt.
Std.
NA
Std. |
| Power venter and adapter. |
Opt. |
Opt. |
Opt. |
| Factory assembly and wiring. |
Std. |
Std. |
Std. |
| Blower "on-off-auto" switch. |
Std. |
NA |
NA |
| Thermostat (on-off). |
Std. |
NA |
Std. |
| Remote control station with operating switches
and indicating lights. |
Opt. |
Opt. |
Opt. |
| Fan time delay relay. |
Std. |
NA |
NA |
| Filters - 2" throw-away, cleanable or
extended surface |
Opt. |
Opt. |
Opt. |
| Fresh air intake hood with birdscreen |
Opt. |
Opt. |
Opt. |
| Fresh air shut-off damper with 2 position
motor, linkage and end switch. |
NA |
Opt. |
Opt. |
| Mixing dampers wit either 2 position motor or
modulating motor & temperature controller/ potentiometer. |
Opt. |
NA |
Opt. |
| Discharge louver assembly (remote mounting
required with Select ra MS-1 and MS-3). |
Opt. |
Opt. |
Opt. |
| Vibration isolators (rubber-in-sheer or spring
vibration isolation for fan motor and fan(s). (****) |
Opt. |
Opt. |
Opt. |
| Selectra MS-1 electronic modulation make-up
air package with remote temperature selector dail in place of modulating gas valve. |
NA |
Opt. |
NA |
| electra MS-2 electronic modulation space
heating package added to basic system. Modulating thermostat replaces on-off thermostat. |
Opt. |
NA |
NA |
| Selectra MS-3 electronic package in place of
modulating valve and by-pass valve manifold. Make-up air portion same as MS-1; space heat
is two position. |
NA |
NA |
Opt. |
| Selectra MS-5 electronic package for interface
to customer control center (20-4MA/0-10 VDC Signal) (****) |
Opt. |
Opt. |
Opt. |
| Low outlet temperature shut-off. |
Opt. |
Opt. |
Opt. |
| Day-Night operation. |
Opt. |
Opt. |
Opt. |
| Blocked intake switch and signal light. |
Opt. |
Opt. |
Opt. |
| Step down transformer. |
Std. |
Std. |
Std. |
| Fused disconnect switch |
Opt. |
Opt. |
Opt. |
| Two speed motor - 1800/1200 or 1800/900
RPM.(***) |
Opt. |
Opt. |
Opt. |
| High efficiency motor. |
Opt. |
Opt. |
Opt. |
| High gas pressure regular - 1/2 PSIG &
over. |
Opt. |
Opt. |
Opt. |
| Hastings/Varicool direct - indirect
evaporative cooling section. (**) |
Opt. |
Opt. |
Opt. |
