Rapid UHDS 100, Инструкция по установке, эксплуатации и обслуживанию

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UHD L
OW
P
ROFILE
D
UCT
F
URNACE
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NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
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15.6 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 25, Section 11 .
15.7 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.
15.8 Limit Switches
15.8.1 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.
MODEL UHD[X][S] 75 UHD[X][S] 100 UHD[X][S] 125
Pressure Switch Kit P/N
90439804 90439805 90439810
Color Code
white blue black
Set Point in wc
0.47 0.55 0.35
Pressure Switch Snap Ring P/N
90439850 90439850 90439850
Carbon Monoxide Hazard
Use correct pressure switch specified for each
model.
Use of incorrect pressure switch or disabling
pressure switch circuit could cause unsafe
condition.
Failure to follow these instructions can result in
death or serious injury.
WARNING