Detroit Radiant Products PH 28 Manual Download Page 1

WARNING

!

!

Keep these instructions for future reference.

For Your Safety

If you smell gas:

 

•  Shut off gas to the appliance.  

• Call your gas supplier. Do not use any phone in your building. 

•  Extinguish any open flame.  

• Follow the gas supplier’s instructions. 

•  Do not try to light any appliance. 

• If you cannot reach your gas supplier, call the fire department.

•  Do not touch any electrical switch.  

Improper installation, adjustment, alteration, service or maintenance can cause 
property damage, injury or death. Read and understand the installation, operating 
and maintenance instructions thoroughly before installing or servicing this equipment.

 

This heater must be installed and serviced by trained gas installation and service 
personnel only. Inspect the heater annually. Failure to comply could result in personal 
injury, asphyxiation, death, fire and/or property damage. 

 

Not for indoor residential use. This heater is not approved for use in any indoor 
residential application. This includes, but is not limited to, attached garages, solarium, 
living quarters, etc. Installation in residential indoor spaces may result in property 
damage, asphyxiation, serious injury or death.

Storage of gasoline and other flammable vapors and liquids in the vicinity of this or 
any other appliance may result in fire or explosion. Do not store or use gasoline or 
other flammable vapors and liquids in the vicinity of this or any other appliance. 
Maintain clearance to combustibles. 

LIOPH-3M-12/08 (CDS)

Replaces LIOPH-2M-2/08

PH Series 

Manual

Detroit Radiant Products Co. 

All persons involved with the installation, operation and maintenance of the heater system must read and 
understand the information in this manual.

Installation, Operation, 

Maintenance and Parts

Summary of Contents for PH 28

Page 1: ...to comply could result in personal injury asphyxiation death fire and or property damage Not for indoor residential use This heater is not approved for use in any indoor residential application This i...

Page 2: ...and Government Regulations 6 Safety Signs and Labels 8 2 0 Installation 9 Design 9 Heater Mounting 11 Gas Supply 13 Electrical Requirements 16 Ventilation 17 3 0 Operation 18 Sequence of Operation 18...

Page 3: ...restaurant patios warehouses manufacturing plants aircraft hangars and vehicle maintenance shops For maximum safety the building must be evaluated for potential hazards before installing the heater sy...

Page 4: ...les include but not limited to Gas and electrical lines Combustible and explosive materials Chemical storage areas Areas of high chemical fume concentrations Provisions for accessibility to the heater...

Page 5: ...a low heat tolerance i e awnings fabrics plastics sprinklers insulation are protected against degradation This may require the heater to be mounted at a distance in excess of the published clearances...

Page 6: ...ctor suitable for the environment of equipment usage is required Visible or excessive swaying flexing and vibration of the gas connections must be avoided to prevent failure Neither the gas pipe nor t...

Page 7: ...to combustibles must be maintained from the upper most point of objects on the hoist Aircraft Hangars Installation of this infra red heater in aircraft hangars must be in accordance with the following...

Page 8: ...mbustibles Signs must either be posted adjacent to the heater thermostats or in the absence of such thermostats in a prominent location 8 1 0 Safety Safety Signs and Labels Top Panel F N LLPCL002 Pati...

Page 9: ...propriate distance from the heater to avoid an inadvertent discharge This distance may exceed the published clearance to combustibles Certain applications may require the use of high temperature sprin...

Page 10: ...rage sq ft PH 28 28 000 BTU H 8 0 to 8 6 7 x 7 49 sq ft PH 31 31 000 BTU H 8 0 to 9 0 8 x 8 64 sq ft PH 34 34 000 BTU H 8 6 to 10 0 9 x 9 81 sq ft A Figure 2 2 Recommended Mounting Heights Note This c...

Page 11: ...nce The heater can be suspended with chains or rigid threaded rod Local codes or conditions such as wind drafts or other variables can cause movement of the heater and may require rigid threaded rod A...

Page 12: ...s securely attached 4 Attach heater to chains Adjust chain lengths until the heater is level and equal weight distribution is achieved Chains must be straight up and down do not install chains at an a...

Page 13: ...te for required minimum and maximum pressures see Chart 2 2 The gas supply pipe must be of sufficient size to provide the required capacity and inlet pressure to the heater if necessary consult the lo...

Page 14: ...ound to NPT adapter threads to seal the joint Use only a pipe compound resistant to liquid petroleum Note Provide a 1 8 in NPT plugged tapping accessible for test gauge connection immediately upstream...

Page 15: ...Regulator field supplied when required Elbows field supplied Shut off valve inlet tap Optional mounting bracket P N PH BKT Shut off valve inlet tap WARNING Conditions such as wind drafts or other var...

Page 16: ...is not properly grounded it cannot determine the presence of a flame and will lockout and shut off For wiring of controls see Figure 2 7 below It is recommended that the control be installed on the ho...

Page 17: ...shed by either gravity or mechanical means Mechanical exhausters are preferred and typically mounted at high points on the roof over where stagnant air accumulates inside For a flat roof consideration...

Page 18: ...er source Running Circuit 3 0 Operation 3 0 Operation Sequence of Operation Important Before operating the heater conduct the following safety procedures Check for any possible gas leaks Alert all per...

Page 19: ...W 24V FIELD SUPPLIED N O RELAY 19 Wiring Diagrams Figure 3 2 PH Series 120VAC with 24VAC control Figure 3 1 PH Series 120VAC Amp draw 24VAC 10 starting 120VAC 25 starting 24 running Amp draw 120VAC 2...

Page 20: ...ore conducting maintenance on the heater disconnect the power and gas supply When pressure testing the gas supply piping system follow these guidelines At a test pressure in excess of 1 2 psig 3 5 kPa...

Page 21: ...ty area Low gas pressure Thermostat located in drafty area Defective flame electrode or circuit board Relocate or shield from draft See Section 2 0 Gas Supply Relocate thermostat Replace electrode and...

Page 22: ...PH 113 Egg Crate Assembly w Frame Nutsert PH 149 Rubber Inlet Grommet PH 115 120VAC Fan PH 150 Ignitor Electrode PH 116 Fan Mounting Panel PH 151 Circuit Board MARK 10DX 117 PH 117 Air Distribution Ch...

Page 23: ...Side Panel SS PH 174 Burner Electrode Mounting Panel PH 204 Control End Panel w Louvers Hinge SS PH 178 Burner End Mounting Panel PH 205 Service Access Door SS PH 180 1 4 20 x 1 2 in Machine Bolt DR...

Page 24: ...and illustrations are for the sole purpose of identification and do not express or imply a warranty that the products are merchantable or fit for a particular purpose or that the products will necessa...

Reviews: