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Furnace Adjustments

Pilot Adjustment

The pilot flame should bathe the thermocouple in flame (1 ½” – 2”).  Each gas valve has a pilot 
flame adjustment.  Remove the screw beside the pilot gas line on the gas valve.
The adjustment screw is down in this threaded hole.  Turn counter-clockwise to increase flow.

Pilot Burner Adjustment (on gas valve):

1.

Remove Pilot adjustment cap.

2.

Adjust pilot key to provide properly sized flame.  2” preferred.  
Clock-wise to decrease, counter clock-wise to increase 

3.

Replace pilot adjustment cap.

4.

Leak test.

 TO ½ INCH

PILOT

THERMOCOUPLE

Main Burner Adjustment

The gas system should have its pressure tested.  See Rating Plate for required pressures.  
See “Robertshaw Installation Data” in appendix for more information about these valves.  
The gas valve has an adjustable pressure regulator.  The largest screw on the top of the gas 
valve must be removed to gain access to the adjustment screw.  Turn clock-wise to increase 
the flow.

Blower Belt Adjustment

The blower belt must be loose enough that ½” to 1” of belt deflection can be obtained with a 
gentle push on the belt, mid-point between pulleys.  

Furnace power must be off while 

performing this check.

Fan & Limit Adjustments

Each fan and limit has three settings.  Before making any adjustments, the rotating dial must 
be held in place with one finger or thumb while another finger on the other hand is used to 
change the setting, being careful not to damage or strain the sensing element.

- Fan Stop

80°- 90°

User Selectable

- Fan Start

110°- 120° User Selectable

- High Limit 170°- 180°

15

Approx. 2”

To Light Pilot –

Follow procedures on page 3, “Operating Instructions” of the “Robertshaw 

Installation Data” insert in the rear of the manual.

Содержание ROYAL HEAT 240

Страница 1: ...ww siebringmfg com Email sales siebringmfg com ROYAL HEAT 240 360 GAS FURNACE ROYAL HEAT 240 360 GAS FURNACE ROYAL HEAT 240 360 GAS FURNACE ROYAL HEAT 240 360 GAS FURNACE INSTRUCTIONS INSTRUCTIONS INS...

Страница 2: ......

Страница 3: ...Square D electrical box 17 Electrical Diagram 18 Troubleshooting 19 Troubleshooting continued 20 Troubleshooting continued 21 Troubleshooting continued 22 Parts List 23 Parts Diagram Furnace 24 Parts...

Страница 4: ...uch equipment Overnight Next Day or any shipping method other than UPS Ground will be the responsibility of the customer This warranty shall not apply to any equipment which shall have been repaired o...

Страница 5: ...S 4 DO NOT TRY TO LIGHT THE FURNACE 5 IMMEDIATELY CALL YOUR GAS SUPPLIER WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the i...

Страница 6: ...a must be provided 7 In greenhouses this unit may be positioned on four 4 concrete block or bricks 8 In garages this unit should be suspended with at least 7 of clearance under the furnace In garages...

Страница 7: ...P T PLUGGED TAPPING PRESSURE GAUGE PORT ROYAL Heaters 20 ft 10 ft I I 240 360 RH360 Requires 9 Stack RH240 Requires 8 Stack RH360 Requires a 12 Extension between furnace and draft diverter General In...

Страница 8: ...originally supplied are replaced they should be replaced with type T wires with a 63 F 35 C rise wire in similar colors 2 Follow all local codes when wiring this furnace 3 This furnace must be electr...

Страница 9: ...bricks setting directly on the ground A variety of openings can be supplied on these furnaces 3 The furnaces require A 12 distance to any combustible material See General Info for exceptions B 12 of...

Страница 10: ...h end of the greenhouse One heat unit for two houses is not recommended Inter House Heating Air forced under bench through poly tubing duct Air forced under bench Bench covered with used poly Heated A...

Страница 11: ...e to lock the gas valve out Heating will cease GENERAL RULES 1 Do not reduce the stack size anywhere in the entire vent system 2 The stack must not be closer than 12 to any combustible material 3 All...

Страница 12: ...er drainage and chimney cleaning Install a cap on the bottom of the Tee V Vertical Chimney Height must be at least twice as long as H H Horizontal Pipe must slope upwards away from furnace per foot of...

Страница 13: ...pening and thru the fresh air inlet Remove the burner tray The burner manifold and nozzles may be brushed off and cleaned with compressed air Any blocked nozzles may be opened by pushing a soft wire t...

Страница 14: ...13...

Страница 15: ...14...

Страница 16: ...ese valves The gas valve has an adjustable pressure regulator The largest screw on the top of the gas valve must be removed to gain access to the adjustment screw Turn clock wise to increase the flow...

Страница 17: ...SQUARE D BREAKER BOX RH360 25 Ground Lug Neutral L1 Line In Common To Blower Motor To Transformer To Fan Limit Switch Connect to 120 VAC 60 HZ 25A Service 16...

Страница 18: ...or CB Transformer 120V to 24V To Blue Bird switch Royal Heat Gas 240 360 To Thermostat To Terminal block To Blue Bird switch Gas Valve Robert Shaw 700 406 17 200 Snap Disc 180 Snap Disc Connect to 120...

Страница 19: ...all blower inlet guards increase outlet restriction on furnace 2 Blower motor does not start A Reset button or auto reset device on motor Push in to reset manual Allow motor to cool reset will be auto...

Страница 20: ...immediately A Inadequate pilot gas flow Clean orifice with compressed air increase pilot gas flow CCW B Bad thermocouple corroded connection to gas valve Replace clean check tighten connections on gas...

Страница 21: ...acity C Supply piping too small Increase pipe size D Wrong gas type Check gas type replace orifices pilot E Bad gas valve Replace by qualified technician F Poor gas quality Connect to good gas supply...

Страница 22: ...170 B Defective fan limit switch Replace C Furnace is not at full firing rate See main burner section 11 Discharge air too hot too cold A Check firing rate Check gas pressures orifice size B Improper...

Страница 23: ...farm duty or manual reset model 11 Drive motor Pulley RH240 4 RH360 3 12 Motor Mount Bracket RH240 Small RH360 Large 13 Drive Belt RH240 47 RH360 49 14 Driven blower Pulley 9 15 Blower RH240 Small La...

Страница 24: ...23 Parts may not be drawn to scale 2 5 A RH240 RH360 Parts 2 3 13 12 11 10 9 1 4 8 7 6 5 18 17 16 15 14 Not Shown...

Страница 25: ...18 19 20 21 22 Top View 23 Side View 21 25 27 24 26 27 28 28 24 Pilot Thermocouple...

Страница 26: ...ll units in the facility are in operation Use a minimum of 1 I D flex gas pipe or 1 I D gas rated flexible hose long enough to allow for burner tray removal approximately 6 feet This will facilitate l...

Страница 27: ...f you don t smell gas turn on the gas supply to the H17 pilot valve smaller L P valve 5 Depress the reset button on the H17 pilot valve and hold 6 Light pilot Continue to depress reset button for 30 4...

Страница 28: ...0 3 51 3 30 18 22 22 Side View Blower Safety Screens Blower Royal Heat 360 Chimney 9 Vent Flange 24 Burner Tray 48 57 Motor 24 Burner Tray 4 18 Crated size 62L x 43W x 64H Approximate shipping weight...

Страница 29: ...6 28 34 12 12 12 12 DO NOT locate this unit closer than 12 to any combustible material this includes the chimney blower all 4 sides and the top of the unit Allow approximately 36 for tray removal 28...

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