Roberts Gorden UHA[X][S] 125 Manuale Utente
SECTION 14: R
EPLACEMENT
P
ARTS
47
14.7 Pressure Switch
Pull off 3 way connector. Spring open plastic clips of mounting cradle. Replace with correct type of pressure
switch for model. The pressure switches are color coded for each pressure setting. Carry out a start-up
after working on or changing a pressure switch. See Page 29, Section 10.
switch for model. The pressure switches are color coded for each pressure setting. Carry out a start-up
after working on or changing a pressure switch. See Page 29, Section 10.
.
14.8 Ignition Control
The control mounts to the heat exchanger plate. Pull out ignition cable and wiring from board, noting their
positions. Release the four mounting standoffs. Refit in reverse. Ensure correct location of ignition cable
and all other wiring.
The control mounts to the heat exchanger plate. Pull out ignition cable and wiring from board, noting their
positions. Release the four mounting standoffs. Refit in reverse. Ensure correct location of ignition cable
and all other wiring.
14.9 Axial Fan/Guard/Motor Assembly
The axial fan unit for the heater is supplied completely assembled and balanced.
The axial fan unit for the heater is supplied completely assembled and balanced.
MODEL
UHA[X][S] 30
UHA[X][S] 45
UHA[X][S] 60
UHA[X][S] 75
UHA[X][S] 100
UHA[X][S] 125
Pressure Switch
Kit P/N
Kit P/N
90439801
90439810
90439802
90439810
90439810
90439803
Color Code
pink
black
yellow
black
black
gray
Set Point in. wc
.23
.35
.32
.35
.35
.41
Pressure Switch
Snap Ring P/N
Snap Ring P/N
90439850
90439850
90439850
90439850
90439850
90439850
MODEL
UHA[X][S] 30
UHA[X][S] 45
UHA[X][S] 60
UHA[X][S] 75
UHA[X][S] 100
UHA[X][S] 125
Axial Fan Guard
91901103
91901103
91901102
91901102
91901102
91901102
Axial Fan Motor
90600104
90600104 90600105 90600105
90600106 90600106
Axial Fan Blade
90709004
90709003 90709002 90709001
90709001 90709001