Reznor RIHL, Установка, эксплуатация и обслуживание

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23 I-RIH (05-21) 131793-A
Table 8. General Troubleshooting
Symptom Probable Cause Remedy
L . Burning
of gas
inside
burner
(flash-back)
1 . Heater mounted incorrectly Ensure that heater is mounted in accordance with Installation section
2 . Gas leaking from manifold, control assembly, or
pilot joints causing gas ignition at orifice
Leak test joints and tighten as necessary
3 . Ceramic tile(s) cracked or separating Replace burner
4 . Drafts excessive Shield from drafts or relocate heater
M . Carbon
formation
on ceramic
surface or
burner
1 . Gas supplied is wrong type Ensure that gas supply is in accordance with rating plate
2 . Venturi obstructed (by spider web) Clean venturi using bottle brush
3 . Pilot depositing carbon Clean pilot and check pilot orifice and alignment
4 . Supply/manifold gas pressure too low Adjust pressure in accordance with rating plate
5 . Main gas orifice(s) misaligned Consult sales agent or factory
N . Dark
spots on
ceramic
surface
1 . Foreign matter behind ceramic surface Check and clean in accordance with Annual Maintenance section
2 . Foreign matter inside burner assembly Replace burner assembly
O . Low
ceramic
surface
temperature
1 . Venturi obstructed (by spider web) Clean venturi using bottle brush
2 . Foreign matter in venturi Check and clean in accordance with Annual Maintenance section
3 . Orifice partially blocked
4 . Supply gas pressure low
Adjust supply regulator to 7 IN (18 cm) WC for natural gas
Adjust supply regulator to 11 IN (28 cm) WC for propane
5 . Manifold gas pressure low Adjust heater regulator to 6 IN (15 cm) WC for natural gas
Adjust heater regulator to 10 IN (25 cm) WC for propane
6 . Manifold misaligned from excessive torque applied
to pipe at installation
Replace manifold
7 . Flue gases not adequately ventilated Ventilate heater in accordance with Ventilation Requirements section
8 . Gas supply piping too small Increase supply pressure or replace piping
P . Two-
stage
transition
from low- to
high-heat
does not
happen
1 . Ambient temperature is still in low-heat zone of
thermostat
Refer to thermostat manufacturer’s instructions
2 . Thermostat defective Replace thermostat
3 . High-heat valve not opening Replace high-heat valve
Q . Two-
stage
transition
from high-
to low-heat
does not
happen
1 . Ambient temperature has not reached low-heat
zone of thermostat
Allow time for ambient temperature to reach low-heat zone
Refer to thermostat manufacturer’s instructions
2 . Thermostat defective Replace thermostat
3 . High-heat valve not closing Replace high-heat valve
—Continued