Explosion Hazard - Trane UHMB060ACV3VA Series Service Facts

Service Facts
CORRECT METHOD OF CHECKING DIRECT VENT MANIFOLD PRESSURE
6
Manifold
Pressure
Measurement
Fitting
TABLE 1
FINAL NG MANIFOLD PRESSURE SETTINGS (inches w.c.)
Furnace Input rate
(KBTU/hr)
40%
60 0.7 + 0.2 / - 0.0
80 0.7 + 0.2 / - 0.0
100 0.7 + 0.2 / - 0.0
Downflow 120 0.7 + 0.2 / - 0.0
Upflow 120 0.9 + 0.2 / - 0.0
For upflow 120KBTU/hr model, 1st stage is 45%
Manifold pressures apply for Natural Gas applications ONLY
FINAL LP MANIFOLD PRESSURE SETTINGS (inches w.c.)
Furnace Input rate
(KBTU/hr)
40%
60 2.1 ± 0.5
80 2.1 ± 0.5
100 2.1 ± 0.5
Downflow 120 2.1 ± 0.5
Upflow 120 2.9 ± 0.5
For upflow 120KBTU/hr model, 1st stage is 45%
Manifold pressures apply for Propane applications ONLY
12
WITH BURNER BOX REFERENCED
A Field Supplied barb fitting must be used
on the gas valve to attach the hose
65% 100%
Not Adjustable 3.5 ± 0.2
Not Adjustable 3.5 ± 0.2
Not Adjustable 3.5 ± 0.2
Not Adjustable 3.5 ± 0.2
Not Adjustable 3.5 ± 0.2
65% 100%
Not Adjustable 10.0 ± 0.5
Not Adjustable 10.0 ± 0.5
Not Adjustable 10.0 ± 0.5
Not Adjustable 10.0 ± 0.5
Not Adjustable 10.0 ± 0.5
Slope
Gauge
Connects to
Burner Box
Pressure Hose
Field Supplied
7
Negative Control
Pressure Post
Gas Valve
On/ Off
Toggle
Switch
Inlet Pressure
Measurement Fitting
WARNING
!

EXPLOSION HAZARD

REPLACE AND/OR
TIGHTEN ALL PLUGS
REMOVED OR LOOS-
ENED WHEN ADJUST-
ING GAS PRESSURE.
LEAK CHECK THE FIT-
TINGS BEFORE PLAC-
ING INTO REGULAR
SERVICE. FAILURE TO
FOLLOW THIS WARNING
COULD RESULT IN SE-
RIOUS PERSONAL IN-
JURY, PROPERTY DAM-
AGE, OR DEATH
Low Heat Manifold
Pressure
(Adjustment under
cover)
Positive Control
Pressure Post
High Heat
Manifold
Pressure
(Adjustment
under cover)
Flow
Manifold
Pressure
Measurement
Fitting
UHM-DHM-SF-1H