Instruction/ maintenance manual of the product 48HG14---28 Carrier
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48HG14 - - - 28, 48HJ20 - - - 28 48PG20 - - - 28, 48PM16 - - - 28 Gas Heati ng/El ectric Coolin g Un it User’s Information Manual NOTE TO INST ALLER: This m anua l s houl d be le ft wi t h the e quipm ent owne r . T ABLE OF CONTENTS SAFETY CONSIDERA TI ONS 1 .
2 ELECTRICAL SHOCK HAZARD Fai lure t o fol low this wa rni ng c ould r esul t in per sonal i njury or dea th. Befo re p erform ing reco mmen d ed m ain tenan ce, b e su re main powe r s witc h to unit is turne d of f a nd lockout ta g is ins tal led.
3 Ste p 8 — Remove lockout ta g a nd tur n on the e lec tri ca l suppl y to un it. Ste p 9 — Open the e xt er nal gas pipi ngs ma nual shut of f va lve loc ate d outsi de the unit . Step 10 — Set ro o m th ermo stat temp eratu re selector slig h tly above room t empe ra ture and s et s yste m swi tc h to HEA T pos ition to start th e u nit.
4 LO C K -O U T TA G ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 OFF ON CONTROL I.D. LABE L 1/4˝ X .032˝ MALE SPADE TERMINALS (2) COMMON SWITCH (SHIPPED IN “ON” POSITION) OFF ON CONTROL I.D. LABE L 1/4˝ X .
5 LO C K -O U T T A G ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 9 STEP 10 Run Status Service T est T emperature Pressures Setpoints Inputs Outputs Configuration Time Clo.
6 T O LIGHT UNIT (UNITS WITH COMFORT LINK ™ CONTROL) (CONTINUED) See Fig . 1 for locatio n of gas valv e. Refer to Fig . 3 w hile pro ceed ing w ith th e fo llo win g step s. Ste p 1 — Tur n of f the unit dema nd for c ooling or hea ti ng by usin g th e Scrollin g Marq u ee.
7 LO C K -O U T TA G ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 OFF ON CONTROL I.D. LABEL 1/4˝ X .032˝ MALE SP ADE TERMINALS (2) COMMON SWITCH (SHIPPED IN “ON” POSITION) C09578 Fig. 4 - - T o Shut Unit Of f Ste p 1 — Tur n of f the unit dema nd for c ooling or hea ti ng by usin g th e Scrollin g Marq u ee.
8 LO C K -O U T T A G ON OFF MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 Run Status Service T est T emperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE OFF ON CONTROL I.
9 ROUTINE MAINTENANCE AND CARE FO R THE EQUIP MENT OW NER Befo re proceed in g with th ose thin g s you m igh t want to maintain yours elf , pl ea se c ar eful ly consi der the f ol lowi ng: FIRE, EXPLOSI ON HAZARD Fai lure to fol low t his w ar ning c ould re sult in pe rs onal inj ury , dea th, and/ or proper ty dama ge.
10 Combustion Area and V ent System The com bust ion ar ea a nd ve nt s yste m should be vi sual ly ins pect ed befo re each heatin g season . T he n o rmal accu m ulatio n o f dirt, soo t, rust, and scale can resu lt in lo ss o f ef ficien cy and im p rop er perfo rman ce if allo wed to b u ild up .
11 7. Ins pect ion of all s upply - - ai r and re turn- - ai r duct s for l eaks , obst ruct ions, a nd ins ulat ion int egri ty . Any probl em s f ound shoul d be re solve d at t his t ime . 8. Inspe cti on of the unit ba se to ensur e that no cra cks , gaps , etc.
An important point after buying a device Carrier 48HG14---28 (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 48HG14---28 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 48HG14---28 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 48HG14---28 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 48HG14---28 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 48HG14---28, 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 48HG14---28.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 48HG14---28. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 48HG14---28 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
