Reznor VS15LHE8, Инструкция по установке и эксплуатации

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Does the
amber light
remain illuminated
after several
minutes?
NO
YES
Does the burner
attempt to relight within
5 minutes?
YES
CHECK: -
1. Clear ignition controller lock-out state.
2. External time clocks / thermostats.
3. Hose connection to vacuum switch.
4. Check correct combustion fan fitted / HB damper pressure set.
5. Check vacuum at test point in burner (see table for pressures).
6. Check turbulator arrangement / lengths.
7. Air inlet, outlet, and emitter tubes for obstructions.
CHECK: -
1. Check correct combustion fan fitted / HB damper
pressure set.
2. Check vacuum at test point in burner (see table for
pressures).
3. Inspect tube joints and couplers for air leaks.
4. Check turbulator arrangement / lengths.
5. Seals and gaskets on forced burners.
YES
YES
YES
NO
Pressure Switch Operating Pressures mbar (“WG)
Part Number Colour
Minimum HOT
Working Pressure
2192-2-PTU Grey
201508 Green
201676 Red 0.98 (0.39)
0.50 (0.20)
0.75 (0.30)
Page 2
END
If the heater still fails to operate
correctly, contact your local
representative.
201697 Brown 1.60 (0.64)
201932 Yellow 2.74 (1.10)
L104039 Orange 3.40 (1.36)
Negative
Positive
STEP 2
Remove the two screws as shown below.
The air pressure switch can now be removed.
STEP 3
Fit the new air pressure switch ensuring the
impulse tubes are connected the correct way
around (vacuum to the left and positive to the
right as shown in the photo). Test product and
close access doors.
Electrical cables are connected as follows:
• Grey = Terminal 1, COM
• Black = Terminal 2, NC
• Yellow = Terminal 3, NO
STEP 2
Disconnect the HT Lead from burner controller.
STEP 3
Remove the two screws attaching the controller
to the burner and remove. Refit HT leads and
refit burner controller to wiring harness.
Test product and close access door.
7. Replacement parts (all models)
7.1 Air Pressure Switch Replacement
STEP 1
Slacken screw in burner lid and open the left
hand burner access door.
Disconnect the two silicone impulse tubes,
noting which way round they connect to the
pressure switch. Disconnect the three electrical
cables from the pressure switch.
7.2 Burner Control Replacement (SIT
sigma gas valve)
STEP 1
Slacken screw in burner lid and open the right
hand burner access door. Disconnect burner
controller from the wiring harness.
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