Trane UHMB060ACV3VA Series User Manual

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

Trane UHMB060ACV3VA Series Specifications

General

Brand	Trane
Model	UHMB060ACV3VA Series
Category	Furnace
Language	English