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Space-Ray RSCA Series, Installation & Operation Instructions, Page: 12 / 32

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Space-Ray RSCA Series Installation & Operation Instructions Download Page 12

Form #43219000 

May 2021 

OUTLET GAS PRESSURE CHECK AND ADJUSTMENTS (WHITE-RODGERS 1 STAGE) GAS 
VALVES 

Gauges  that  measure  pressure  in  pounds  per  square  inch  are  not  accurate  enough  to  measure  or  set  the 
manifold pressure. All measurements MUST BE made when the heater and all other gas burning equipment 
that is connectied to the gas supply system are operating at maximum capacity. The combination gas valve 
is factory set and should not need adjustment. If gas pressure adjustment is required, follow the instructions: 
 
1.

 

Turn off all electrical power to the system prior to connecting manometer hoses. 

 

2.

 

Turn the outlet pressure boss 

test screw (3/32” Hex

 allen wrench plug) in the center of the boss  not 

more  than  one  turn  counterclockwise. 

Attach  a  5/16” hose  and  manometer  over the  tapered  outlet 

pressure boss on the valve (see figure below). If regulator needs to be adjusted, see instructions below. 

To Adjust Regulator (1-stage gas valves): 
1.

 

Turn on power and energize the main gas valve. Remove regulator cover screw (see figure below). Turn 
regulator  adjustment  screw  clockwise   

    to  increase  presure,  or  counterclockwise   

  to  decrease 

pressure. Replace regulator cover screw and tighten securely. 
DO NOT EXCEED THE PRESSURES SHOWN IN THE GAS PRESSURE TABLE. 

2.

 

After testing pressure and adjusting the regulator, turn off all electrical power to the system, remove 

manometer hoses, turn outlet test screw (3/32” Hex) clockwise to seal pressure port. Tighten to 7 in  lb 

(.79Nm) minimum. Turn on system power. 

 

 

 

 

OUTLET GAS PRESSURE CHECK AND ADJUSTMENTS (SIT 1 STAGE) GAS VALVES 

Gauges  that  measure  pressure  in  pounds  per  square  inch  are  not  accurate  enough  to  measure  or  set  the 
manifold pressure. All measurements MUST BE made when the heater and all other gas burning equipment 
that is connectied to the gas supply system are operating at maximum capacity. The combination gas valve 
is factory set and should not need adjustment. If gas pressure adjustment is required, follow the instructions: 
 
 

11 

Summary of Contents for RSCA Series

Page 1: ...used for the storage of combustible materials signs must be posted to specify the maximum permissible stacking height to maintain the required clearances from the heater to the combustibles Signs must either be posted adjacent to the heater thermostats or in the absence of such thermostats in a conspicuous location IMPORTANT SAVE THIS MANUAL FOR FUTURE REFERENCE SPACE RAY Post Office Box 36485 282...

Page 2: ...o M3B 2R3 All NFPA codes are available from the National Fire Protection Association Batterymarch Park Quincy Massachusetts 02269 1 WHAT TO DO IF YOU SMELL GAS DO NOT try to light any appliance Extinguish any open flame Open windows DO NOT touch any electrical switch DO NOT use any telephone in your building Immediately call your gas supplier from a neighbor s telephone Follow the gas supplier s i...

Page 3: ...uctions and any applicable codes and regulations Every heater shall be located with respect to building construction and other equipment so as to permit access to the heater Each installer must follow the clearances to combustible materials for the heaters Install the heater so that the supports and hangers are correctly spaced in accordance with these instructions The heater must be supported by ...

Page 4: ...erved In areas used for storage of combustible materials where they may be stacked below the heater NFPA54 requires that the installer must post signs that will specify the maximum permissible stacking height to maintain the required clearances from the heater to combustibles Every heater shall be located with respect to building construction and other equipment so as to permit access to the heate...

Page 5: ...cess Consult your local fire marshal or insurance company Certain materials or objects when stored under the heater will be subjected to radiant heat and could be seriously damaged Observe the Minimum Clearances to Combustibles listed in the manual and on the heater at all times 4 MINIMUM CLEARANCES TO COMBUSTIBLES For maximum safety the building must be evaluated for hazards before installing the...

Page 6: ...e marshal fire insurance carrier or other qualified authorities on the installation of gas fired infra red heaters for approval of the proposed installation Install the warnings card supplied with each heater and complete the blank spaces using the clearances from combustibles table below See Section 19 for a printed copy of the warnings card Minimum clearances shall be measured from the outer sur...

Page 7: ...3 0 0595 30 lbs RSCA6 N1A N1B Natural 52 000 14 ft 32 0 1160 40 lbs RSCA6 L1 L1B Propane 52 000 14 ft 2 mm 0787 40 lbs RSCA3 N5B N5C Natural 26 000 12 ft 42 0 0935 30 lbs RSCA3 L5B L5C Propane 26 000 12 ft 53 0 0595 30 lbs RSCA6 N5B N5C Natural 52 000 14 ft 32 0 1160 40 lbs RSCA6 L5B L5C Propane 52 000 14 ft 2 mm 0787 40 lbs RSCA10 N5B N5C Natural 104 000 15 ft 32 0 1160 70 lbs RSCA10 L5B L5C Prop...

Page 8: ...as manifold assembly is on the lower side of the heater Coil chains No 2 or larger or rigid supports may be used to mount the heater which must be suspended from a permanent structure with adequate load capacity The gas manifold assembly tube must be level and for angled mounting it must be at the LOWER end of the heater All S hooks and eyebolts must be manually crimped closed by the installer 7 ...

Page 9: ...nels overlap the side panels Attach the side panels and end panels together with the screws provided in the kit Attach the remaining screws as shown in Detail A This is to ensure that the Parabolic Reflector Extension is securely attached to the reflector The clearances to combustibles shown on the clearance label that is secured to the reflector on the control end of the heater and in Section 4 o...

Page 10: ... is 14 W C or 1 2 P S I If the line pressure is more than the maximum supply pressure then use a line regulator as indicated in the following illustration or a line regulator which corresponds to the supply pressure 6 If a second stage regulator is used and gas seeps through it the redundant combination gas valve is designed to lock out Pressure build up in the supply lines prior to the heater mus...

Page 11: ...With the main burner operating check the burner manifold pressure using a water manometer Gauges that measure pressure in pounds per square inch are not accurate enough to measure or set the manifold pressure Use a water manometer or a gauge calibrated in inches of water column All measurements MUST BE made when this heater and all other gas burning equipment that is connected to the gas supply sy...

Page 12: ...tions below To Adjust Regulator 1 stage gas valves 1 Turn on power and energize the main gas valve Remove regulator cover screw see figure below Turn regulator adjustment screw clockwise to increase presure or counterclockwise to decrease pressure Replace regulator cover screw and tighten securely DO NOT EXCEED THE PRESSURES SHOWN IN THE GAS PRESSURE TABLE 2 After testing pressure and adjusting th...

Page 13: ...kwise to decrease pressure Replace regulator cover screw and tighten securely DO NOT EXCEED THE PRESSURES SHOWN IN THE GAS PRESSURE TABLE 2 After testing pressure and adjusting the regulator turn off all electrical power to the system remove manometer hoses turn outlet test screw clockwise to seal pressure port Tighten to 22 in lb 2 5Nm minimum Turn on system power The gas pressures are shown in t...

Page 14: ...rical circuit o ne that is not controlled by a light switch 4 The power supply to the unit should be protected with a fused disconnect switch or circuit breaker A service switch as required by local codes shall be located in the vicinity of the heater check local codes for allowable distances and should be identified as Heater Service Switch All electrical wiring must be located in accordance with...

Page 15: ...EATER PER THERMOSTAT B LINE VOLTAGE 120V THERMOSTAT CONNECTIONS MULTIPLE HEATERS PER THERMOSTAT C LOW VOLTAGE 24V THERMOSTAT CONNECTIONS MULTIPLE HEATERS PER THERMOSTAT POWER SUPPLIED FROM FAN CENTER RELAY D LOW VOLTAGE 24V THERMOSTAT CONNECTIONS MULTIPLE HEATERS PER THERMOSTAT POWER SUPPLIED FROM STEP DOWN TRANSFORMER 14 ...

Page 16: ...ed to supply and exhaust at least 4 cfm per 1000 Btu per hr input of installed heaters Exhaust openings for removing flue products shall be above the level of the heaters This heater requires ventilation in the building to dilute the product of combustion and provide fresh air for efficient combustion Power ventilation is recommended and the minimum vent flow required is as follows RSCA3 109 cfm R...

Page 17: ...ING PILOT IGNITION SYSTEM Ignition Suffix 1B 1 Depress and turn the control knob to the PILOT position Depress the button and ignite the pilot flame while keeping the knob fully depressed for a few seconds Release the knob and check that the pilot flame stays lit If it goes out repeat the ignition operation 2 Depress and turn the control knob to the ON position When the automatic solenoid valve is...

Page 18: ...aximum heating efficiency and clean combustion will be maintained by keeping the emitter and burner clean To clean the heater follow these instructions 1 Turn off all gas supply to the heater 2 Clean the reflector 3 Remove he main burner orifice and the pilot orifice if so equipped and clean them thoroughly 4 Check the venturi opening to be sure it is clean If there is any evidence of dirt accumul...

Page 19: ...g these checks a Make sure that the ignition cable does not touch any metal surface b Make sure that connections to the stud terminal and the igniter sensor are clean and tight c Make sure that the ignition cable provides good electrical continuity TO CHECK IGNITION SYSTEM GROUNDING Nuisance shutdowns are often caused by a poor or erratic ground A common ground is required for the module igniter f...

Page 20: ...urner is running full on b If the meter reads below zero the meter leads are reversed Disconnect power and reconnect the meter leads for proper polarity c Remove micro ammeter Return system to normal operation 17 REPLACING PARTS Ensure that at all times when parts are being replaced both gas and electrical supplies are disconnected Various parts are available from the factory for replacement by a ...

Page 21: ...420 Kit Gas Valve SIT 0 820 659 propane gas 11 WC 19 42124000 Reflector Assembly pilot 20 40715000 Pilot Housing Assembly 21 40719000 End Flue Collar pilot end 22 40707000 Radiation Shield housing 23 40649000 Pilot Flue Baffle 24 40750000 Pilot Shield Assembly 25 40706000 Radiation Shield pilot 26 42184000 Pilot Tubing HW valve 26a 42184050 Pilot Tubing SIT valve 27 03462070 Pilot Generator System...

Page 22: ... Propane Gas 1 or 1A Self Generating 750mv Standing Pilot with Honeywell Gas Valve 1B Self Generating 750mv Standing Pilot with SIT Gas Valve 5B Direct Spark Ignition Fenwal module with Honeywell Gas Valve 5C Direct Spark Ignition Fenwal module with White Rodgers Gas Valve ALL ILLUSTRATIONS ARE INTENDED TO GIVE THE GENERAL IMPRESSION OF UNITS ONLY WE RESERVE THE RIGHT TO ALTER ANY SPECIFICATION WI...

Page 23: ...e WR 36J22 233 propane gas 11 WC 20 42125000 Reflector Assembly 21 42429000 End Flue Collar ignition end 21a 42468000 End Flue Collar ignition end with bleed tube hole LP Gas 22 30216060 Spark Electrode 22 100001 369 23 03763000 Flame Sensor PSE GF3 24 30314070 Ignition Cable 7 25 30632070 Spark Ignition Module Fenwal 35 6087D1 038 26 42829000 Bracket Assembly Module Transformer 27 42830000 Bracke...

Page 24: ...Form 43219000 May 2021 23 ...

Page 25: ...alve SIT 0 820 ___ natural gas 6 WC 19 44010440 Kit Gas Valve SIT 0 820 659 propane gas 11 WC 20 40720000 Reflector Assembly pilot 21 42431000 Pilot Housing Assembly 22 42425000 Radiation Shield housing 23 42421000 Pilot Flue Baffle 24 42424000 Pilot Shield 25 42434000 Pilot Tubing HW valve 25a 42434050 Pilot Tubing SIT valve 26 40706000 Radiation Shield pilot 27 03462130 Pilot Generator System Na...

Page 26: ...Form 43219000 May 2021 25 ...

Page 27: ... 2mm LP Gas 11 WC 17 41156000 Reverb Baffle Assembly 18 30755030 Gas Valve WR 36J22 234 natural gas 6 WC 19 30755110 Gas Valve WR 36J22 233 propane gas 11 WC 20 41159000 Reflector Assembly 21 42429000 End Flue Collar ignition end 22 30216060 Spark Electrode 22 100001 369 23 03763000 Flame Sensor PSE GF3 24 30314070 Ignition Cable 7 25 30632070 Spark Ignition Module Fenwal 35 6087D1 038 26 42829000...

Page 28: ...Form 43219000 May 2021 27 ...

Page 29: ...Break Away Fitting 1 8 22 42042000 Bleed Tube Clamp Assembly 23 03333060 Nipple 1 2 x 2 24 03336080 Tee 1 2 25 03333020 Nipple 1 2 x Close 26 30755030 Gas Valve WR 36J22 234 natural gas 6 WC 27 30755110 Gas Valve WR 36J22 233 propane gas 11 WC 28 42468000 End Flue Collar ignition end 29 30216060 Spark Electrode 22 100001 369 30 03763000 Flame Sensor PSE GF3 31 42420000 Manifold Clamp Qty 2 32 0470...

Page 30: ...Form 43219000 May 2021 29 ...

Page 31: ...Form 43219000 May 2021 20 WARNINGS CARD This card is furnished with each heater Additional copies may be ordered under part no 43344990 30 ...

Page 32: ... remedy under this warranty is the replacement of the defective parts or heaters as hereinabove specified THE MANUFACTURER DOES HEREBY EXPRESSLY EXCLUDE ANY AND ALL LIABILITY FOR INCIDENTAL AND CONSEQUENTIAL DAMAGES UNDER THIS OR ANY OTHER WARRANTY Without intending to limit the aforesaid exclusion THE MANUFACTURER DOES HEREBY EXCLUDE ANY LIABILITY UNDER THIS OR ANY OTHER WARRANTY FOR INJURIES AND...

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