Instruction/ maintenance manual of the product 48HJ004-014 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 Refer to Fig. 3 while proceeding with the following steps. Step 1 — Set r o om th e r mo st at to lowest te m p e ra t u re setting and se t SYSTE M switc h to O FF . Step 2 — Close the external manua l gas valve. Step 3 — T ur n off the electrical powe r supply to unit; install lockout tag.
3 LOCK-OUT TA G ON OFF MAIN M1 P3 C2 O F F ON WR O F F ON C HI M R E P L A C E S C R E W L O M1 P3 C2 O F F ON WR O F F ON C HI M R E P L A C E S C R E W L O STEP 1 *3-phase units only .
4 STEP 1 Fig. 3 — To Shut Unit Off STEP 7 STEP 6 STEP 4 STEP 3 STEP 2 LOCK-OUT TA G ON OFF MAIN M1 P3 C2 O F F ON WR O F F ON C HI M R E P L A C E S C R E W L O *3-phase units only .
5 RO UTINE MAINTENANCE AND CARE FOR THE EQUIPMENT O WNER Consider the following information before maintaining or servicing equipment: Air Fi lter( s) — Air filter(s) should be checked a t least every 3 or 4 weeks and c hanged or cleaned when ne cessary .
6 Heat Exc hanger NOTE: T o ensure dependable and efficient heating operation, the heat exchanger should be checked by a qualified mainte- nance person before eac h heating season, and c leaned when necessar y . Checking and/or cle aning the heat exchanger involves removing the gas controls assembly and t he flue collect or box cover .
7 REGULAR DEALER MAINTENANCE In addition to the t ype of routine maintenance you might be willing to perform, your unit should be inspected regularly by a properly trained and qualified Carrier service technic ian. An inspection (preferably ea ch heating/cooling season, but a t least every year) should include the f ollowing: 1.
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 48HJ004-014 (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 48HJ004-014 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 48HJ004-014 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 48HJ004-014 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 48HJ004-014 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 48HJ004-014, 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 48HJ004-014.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 48HJ004-014. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 48HJ004-014 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
