Page 8
R-1923
SERVICE AND MAINTENANCE SUGGESTIONS
SYMPTOMS-POSSIBLE CAUSES OR CORRECTION
1.
Impossible to light pilot
a.
If using piezo ignitor, check electrode location.
b.
Remove nut at orifice and check for gas.
c.
If gas available, check for blocked orifice or pilot.
2.
Pilot outage
a.
Proper size of pilot flame.
b.
Defective or weak thermocouple.
3.
Pilot flames but goes out
a.
Pilot flame not covering the thermocouple properly
when knob is released.
b.
Defective thermocouple.
c.
Defective magnet in the safety section of valve.
4.
Poor thermostatic control
a.
Thermostat needs calibrating.
b.
Defective thermostat section.
5.
Noisy blower
a.
Tighten blower screws.
b.
Check blower wheel in the open for balance.
6.
Yellow main burner flame
a.
Remove main burner to check for obstructions in throat, ports
and orifices.
b.
Install new main burner orifice and pilot orifice.
c.
Check gas valve for leaking.
d.
Open the air bolt on the main burner in order to increase the
amount of primary air.
7.
Yellow pilot flame
a.
Small yellow tip not objectionable.
b.
Remove pilot orifice. Check and clean.
8.
Pilot and main burner goes out after burning a few minutes
a.
Improper venting of flue products. Relight and check for
improper venting.
b.
If vented properly, check vent safety switch, replace if defec-
tive
9.
Burner back-flashes or 'pops’ and burns at main burner orifice
a.
Examine burner for defects
10. Inoperative blower
a.
Check fan control by shorting across terminals.
b.
Check for blower wheel bind by removing wheel and operating
motor.
c.
Check for frozen bearings due to lack of oil.
11. On Propane gas, if a whistling noise (resonation) occurs
a.
Screw the air adjustment bolt into the burner throat to eliminate
the whistling noise (resonation).
b.
Size main burner orifice with a drill bit. For RH-50-5 use #47
drill bit. For RH-65-5 use #43 drill bit.
USE ONLY MANUFACTURER'S REPLACEMENT PARTS. USE OF ANY OTHER PARTS COULD CAUSE INJURY OR DEATH.
26
742228
Main Burner Orifice (RH-65-5 LPG)
26
742235
Main Burner Orifice (RH-50-5 LPG)
27
RH-856
Valve Bracket
28
R-2702
Gas Valve (Nat)
28
R-2703
Gas Valve (LPG)
29
RH-623
Control Rod
30
RH-832
Control Rod Bracket
31
R-2708
Piezo Ignitor
32
662015
Control Knob
33
RH-036
Motor Mounting Plate
34
632016
Motor Cushion
35
R-2605
Motor
36
RH-602
Casing Side (RH-65-5)
36
RH-640
Casing Side (RH-50-5)
37
RH-653
Chamber Shield - Left
38
R-2099
Cord Set
39
RH-656
Chamber Shield - Rear
40
R-2091
Wire Assembly
41
8720161
Strain Relief Bushing
42
872087
Bushing
43
9120106
Fan Control Switch
44
DV-806
Switch Box
45
DV-807
Switch Box Cover
46
871018
Cable Assembly
47
R-2706
Eco Switch
Not Shown
652121
Regulator (Nat)
Not Shown
652211
Regulator (LPG)
Not Shown
R-2738
Operator/Regulator (Nat)
Not Shown
R-2739
Operator/Regulator (LPG)
Not Shown
742148
Pilot Orifice .011 (Nat)
Not Shown
742250
Pilot Orifice .008 (LPG)
Not Shown
RH-527
Glass and Frame Assembly
(includes 10 & 13)
Not Shown
R-2707
Junction Block Adaptor/ECO Switch
Not Shown
UH-441
Vent Safety Switch/ECO Hole Cover
Plate
1
RH-833
Diverter Assembly
2
RH-802
Down Draft Shield
3
RH-800
Draft Diverter Plate
4
RH-637
Casing Top (RH-50-5)
4
RH-613
Casing Top (RH-65-5)
5
RH-603
Louver (RH-50-5, 3 Required)
(RH-65-5, 4 Required)
6
RH-834
Casing Back
7
RH-652
Combustion Chamber Assembly
(RH-50-5)
7
RH-626
Combustion Chamber Assembly
(RH-65-5)
8
RH-654
Chamber Shield - Right (RH-50-5)
8
RH-655
Chamber Shield - Right (RH-65-5)
9
RH-640
Casing Side (RH-50-5)
9
RH-602
Casing Side (RH-65-5)
10
862029
Radiant Glass with Rope Gasket
10
RH-857
Rope Gasket
11
642031
Blower Wheel
12
RH-667
Blower Housing and Chute Assembly
13
RH-454
Frame for Glass
14
RH-138
Blower Cushion
15
RH-618
Inner Front
16
RH-641
Casing Bottom Assembly (RH-50-5)
16
RH-616
Casing Bottom Assembly (RH-65-5)
17
RH-853
Burner Assembly
18
RH-619
Casing Front with Heat Shield
19
R-776-B
Thermocouple
20
RH-620
Pouch
21
762223
Pilot Burner with Orifice (LPG)
21
762126
Pilot Burner with Orifice (Nat)
22
732064
Electrode and Wire Assembly
23
RH-829
Pilot Tubing (RH-50-5)
23
RH-830
Pilot Tubing (RH-65-5)
24
RH-457
Air Shutter Bracket (LPG Only)
25
P-206
Manifold Assembly (RH-50-5)
25
P-207
Manifold Assembly (RH-65-5)
26
P86-27N
Main Burner Orifice (RH-65-5 Nat)
26
742124
Main Burner Orifice (RH-50-5 Nat)
INDEX
PART
NO.
NUMBER
DESCRIPTION
INDEX
PART
NO.
NUMBER
DESCRIPTION
PLEASE NOTE: When ordering parts, it is very important that part number and description of part coincide.