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UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
48
14.9.1 Fan Removal and Replacement
14.9.2 To Replace the Fan Assembly
To replace the fan assembly, reverse the procedure
shown above.
• Check that the fan blades are free to rotate
before turning on the power to the fan.
• Strictly comply with the color code of the fan
wires to ensure correct operation. See Page 26,
Section 9.5 wiring diagram.
•Use only replacement parts sold and supplied
by Roberts-Gordon.
14.10 Limit Switches
14.10.1 Removal and Replacement
1. Remove the electrical connections to the
switch.
2. Unscrew the two screws securing the
switch.
3. Fit a new switch with two screws.
4. Reconnect the electrical connections and test
operation.
Description Part Number Quantity
Axial Fan UHA[X][S] 30 12011910 1
Axial Fan UHA[X][S] 45 12011911 1
Axial Fan UHA[X][S] 60 12011920 1
Axial Fan UHA[X][S] 75 12011921 1
Axial Fan UHA[X][S] 100 and UHA[X][S]
125
12011922 1
Remove the screws
and washers.
Remove the mounting hardware.