Bosch CWH 1000 P, Сборник сервисных бюллетеней

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W W W W WARNIN ARNIN ARNIN ARNIN ARNING G G G G
LP & N LP & N LP & N LP & N LP & NG ARE EXTREMEL G ARE EXTREMEL G ARE EXTREMEL G ARE EXTREMEL G ARE EXTREMELY FL Y FL Y FL Y FL Y FLAMMABLE SO AMMABLE SO AMMABLE SO AMMABLE SO AMMABLE SO
TTTTTAKE EXTRA PRECA AKE EXTRA PRECA AKE EXTRA PRECA AKE EXTRA PRECA AKE EXTRA PRECAUTIONS WHEN UTIONS WHEN UTIONS WHEN UTIONS WHEN UTIONS WHEN
PERF PERF PERF PERF PERFORMIN ORMIN ORMIN ORMIN ORMIN G ANY W G ANY W G ANY W G ANY W G ANY WORK T ORK T ORK T ORK T ORK TO THE HEA O THE HEA O THE HEA O THE HEA O THE HEATER TER TER TER TER
CT-21
page 1 of 1
rev 10/06
Bosch Water Heating
340 Mad River Park, Waitsfield, VT 05673
© BBT NORTH AMERICA CORPORATION
Bosch Group
REPLACING HEAT EXCHANGER
MODELS: 1000P, 1600P, 1600H,
260PN, 425PN, 425HN
Removing heat exchanger
1. Remove cover as per installation manual
2. Turn off gas to heater using installer supplied shutoff
valve.
3. Close installer supplied cold water shutoff valve to
heater (if none installed, install before proceeding.)
4. Open lowest hot water faucet to drain lines and relieve
pressure in heater.
5. Position a bucket below water connections to water
heater.
6. Remove the retaining clip (Fig. 1 Num. 1) from the
threaded bushing. Then remove the threaded bushing
(Fig. 1 Num. 2) from the water valve.
7. Contents of heater and water lines will drain to bucket
below.
8. Once all water has drained, reinsert threaded bushing
into water valve and secure with retaining clip
9. Locate and remove clips on both left and right side
connections on lower rear of heat exchanger. (Fig. 2,
Num. 1)
10. Loosen Phillips head screw on temperature limiter
(ECO) and remove from heat exchanger mount. (Fig.2,
Num. 2)
11. Remove covering angle strip which runs horizontally
at top of heat exchanger. (Fig. 2, Num. 3)
12. Remove heat exchanger from heater by pulling top of
heat exchanger forward. When the back edge of the
heat exchanger clears the draft diverter, pull heat ex-
changer up and out.
Installing heat exchanger
1. Install new heat exchanger in heater.
2. Mount covering angle strip across the top of heat ex-
changer. (Fig. 2, pos. 3)
3. Reconnect water pipes to heat exchanger and rein-
stall retaining clips. NOTE: Lubricate o-rings on pipes
before connecting. (Fig. 2, pos. 1)
4. Remount temperature limiter (ECO) on upper right of
heat exchanger. (Fig. 2, pos. 2)
5. Turn water on and check for leaks at connections.
6. Open gas supply, replace cover and return heater to
service.
FIGURE 1
FIGURE 2