Instruction/ maintenance manual of the product 48TM020 Carrier
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Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificat ions or des igns without notice an d withou t inc urring obligations.
2 T O SHUT UNIT OFF See Fig. 1 for l ocation of gas valve. Refer to Fig. 3 w hile proceeding with the following steps. Step 1 — Set r o om th e r mo st at to lowest temperat ur e setting and set SYSTEM switch to OFF position. Step 2 — Close the external manual gas valve.
3 STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 Fig. 2 — To Light Unit.
4 STEP 1 STEP 2 STEP 3 STEP 4 48TFD0 05-009 48TFE 004-007 48TFL00 5,006 48TFM00 4-006 48TFF004 -012 48TFD0 12,014 48TF E00 8,01 4 48TF N00 4-00 6 STEP 5 48TFD00 5-009 48TFE004-0 07 48TFL005, 006 48TFM004 -006 48TFF004-0 12 48TFD01 2,014 48TFE008,0 1 4 48TFN00 4-006 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 Fig.
5 Heat Exc hanger — T o ensure depe ndable and efficient heating operation, the heat exchanger should be checked by a qualified maintenance person before each heating season, and cleaned when nec essary . This chec kout should not be attempt - ed by anyone not having the required expertise and e quipment to do the j ob properly .
6 3. Using a flashlight, carefully inspec t the burner areas for dirt, soot, rust, or scale. 4. When you have completed your inspection, follow the start-up procedures in this manual t o restore your unit to operation. 5. Observe unit heating operation, a nd watch the burner flame with the access panel removed, to see if it is bright blue.
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Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations.
An important point after buying a device Carrier 48TM020 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 48TM020 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 48TM020 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 48TM020 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 48TM020 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 48TM020, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 48TM020.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 48TM020. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 48TM020 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
