Blue Summit BG801UH, Руководство по установке

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507324-01B Page 27 of 32 Issue 1809
Furnace should operate at least 5 minutes before checking
gas flow. Determine time in seconds for two revolutions of
gas through the meter. (Two revolutions assures a more
accurate time.) Divide by two and compare to time in
Table 8. If manifold pressure matches Table 9 and rate is
incorrect, check gas orifices for proper size and restriction.
Remove temporary gas meter if installed.
NOTE: To obtain accurate reading, shut off all other gas
appliances connected to meter.
Supply Pressure Measurement
A threaded plug on the inlet side of the gas valve provides
access to the supply pressure tap. Remove the threaded
plug, install a field provided barbed fitting and connect
a manometer to measure supply pressure. See Table 9
for proper line pressure. Replace the threaded plug after
measurements have been taken.
Manifold Pressure Measurement
1. Remove the threaded plug from the outlet side of
the gas valve and install a field provided barbed
fitting. Connect to a manometer to measure manifold
pressure.
2. Start unit and allow 5 minutes for unit to reach steady
state.
3. While waiting for the unit to stabilize, observe the
flame. Flame should be stable and should not lift from
burner. Natural gas should burn blue.
4. After allowing unit to stabilize for 5 minutes, record
manifold pressure and compare to value given in
Table 9.
NOTE: Shut unit off and remove manometer as soon as an
accurate reading has been obtained. Take care to remove
barbed fitting and replace threaded plug.
Proper Combustion
Furnace should operate a minimum 15 minutes with correct
manifold pressure and gas flow rate before checking
combustion. Take combustion sample beyond the flue out
let and compare to the tables below. The maximum carbon
monoxide reading should not exceed 100 ppm.
Figure 34. Integrated Ignition Control
Demand
15
ON
OFF
CAI
35 1
Pre-Purge
Ignitor Warm-up
Blower
“On” Delay
Post
Purge
5 SEC 80
Ignitor
Gas Valve
Indoor Blower
39
Trial for
Ignition
Blower on time will be 45 seconds after gas valve is energized. Blower off time will depend on “OFF TIME” Setting.
Orifice Kits and Pressure Switch Kits at Various Altitudes
Capacity
0 - 4500 ft. 4501 - 7500 ft. 7501 - 10000 ft.
Pressure
1
Switch Kit
Natural
to LP /
Propane
Orifice Kit
LP /
Propane
to Natural
Orifice Kit
Pressure
1
Switch Kit
Natural
to LP /
Propane
Orifice Kit
LP /
Propane
to Natural
Orifice Kit
Pressure
1
Switch Kit
Natural
Orifice Kit
LP /
Propane
Orifice Kit
045
As Shipped
(-0.65” w.c.)
11K50
2
(0.034”)
73W80
2
(0.063”)
80W52
(-0.60” w.c.)
11K50
2
(0.034”)
73W80
2
(0.063”)
80W51
(-0.55” w.c.)
51W01
(0.055”)
11K45
2
(0.032”)
070
As Shipped
(-0.68” w.c.)
80W52
(-0.60” w.c.)
80W51
(-0.55” w.c.)
090
As Shipped
(-0.65” w.c.)
80W52
(-0.60” w.c.)
80W51
(-0.55” w.c.)
110
As Shipped
(-0.68” w.c.)
80W57
(-0.65” w.c.)
80W52
(-0.60” w.c.)
1
Minimum allowable set points for this altitude range. Application of a Pressure Switch with lower set point (less negative / closer to zero) is not
permitted.
2
Kit contains burner orifices and gas valve regulator spring(s).
Table 10.