Main
Blackheat
Installation, Operation & Service Manual
Models UHA[X][S] 30, 45, 60, 75, 100, 125
UHA-Series Tubular Unit Heaters (Low Profile Range)
WARNING
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2008 Roberts-Gordon LLC
Printed in U.S.A.
TABLE OF CONTENTS
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TABLE OF FIGURES
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Figure 1: UHA 30 - 45 Label Placement
* For separated combustion units only
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Figure 3: UHA 100 - 125 Label Placement
* For separated combustion units only
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Figure 5: Suspension Methods
Existing cabinet screws must be re-used.
Figure 6: Shelf-Mounting Methods
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Figure 7: Wall Shelf Mounting and Hanging Suspension
Hardware provided to construct mounting bracket assembly only.
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Figure 8: Vertical Louvers (Optional)
For models UHA[X][S] 60 and UHA[X][S] 75, horizontal louvers are re-used.
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Figure 12: Separated Combustion Heater - Vertical and Horizontal Vent Termination
Figure 13: Concentric Vent Box
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Figure 14: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater
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WARNING
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9.5 Internal Wiring Diagram
TRANSFORMER
White
Flame
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9.7 Electrical Connection to the Heater
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Figure 16: Automatic Burner Control Sequence
*Purge time begins at pressure switch change over.
Required Incoming Signals
Pressure Regulator
Gas Outlet Outlet Pressure
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Turn off gas and electrical supplies before
Failure to follow these instructions can
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SECTION 13: TROUBLESHOOTING 13.1 General
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13.3 Troubleshooting for Flame Supervision System
NOTE: Minimum flame probe current 1 A DC. Typical flame probe current 3-5 A DC.
SECTION 13: T
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13.4 Troubleshooting for Gas Valves
13.5 Troubleshooting for Flue Blower
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14.2 Burner Compartment
14.2.1 Burner Injectors
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14.3 Ignition Electrode and Flame Probe
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For models UHA[X][S] 60 and UHA[X][S] 75, horizontal louvers are re-used.
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SECTION 15: SPECIFICATIONS 15.1 Dimension Data
SIDE VIEW
REAR VIEW
TOP VIEW
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15.2 General Technical Data Table (All Models)
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SECTION 16: ROBERTS GORDON BLACKHEAT UHA-SERIES WARRANTY ROBERTS GORDON WILL PAY FOR:
WARRANTY IS VOID IF:
READ YOUR INSTALLATION, OPERATION AND SERVICE MANUAL
Roberts-Gordon
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OWNER WARRANTY REGISTRATION CARD
Warm Air Heating
Mail or Fax to:
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10' (3 m)
WARNING
Rear*
Models 30 - 125 Models 150 - 400
Max. Mounting Height*
Attach this information to the wall near the ROBERTS GORDON heater