YorkメーカーD2CG 072の使用説明書/サービス説明書
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GENERAL YORK M odel DCG uni ts ar e sin gle pack age ai r co ndit ione rs with ga s heat desig ned fo r outd oor in stal lati on on a roof top or a slab . The units are completely assembled on rigid, permanently attached base rails. All piping, refrigerant charge, and electrical wiring is factory-installed and tested.
Gene ral ... .... .... ...... .......... .......... .......... .......... .......... .......... ... 1 Inspe ction.......... .......... .......... .......... .......... .......... .......... ....... 1 Refere nce ..... .......... .......... .......... .
LIMIT A TIONS These unit s must be instal led in a ccor dance w ith th e curren t editi ons of the follo wing na ti onal and loc al safet y codes: In the U. S.A.: 1. Natio na l Elec tr ical Code ANSI /N F P A No. 70. 2. Nationa l Fu el Ga s Cod e Z223 .
The supply and return air duct systems should be designed for the CFM and static requirements of the job. They should NOT be sized to match the dimensions of the duct connections on the unit. CAUTION: When fastening ductwork to the side duct flanges on the unit, insert the screws through the duct flanges only .
DISCONNECT SWITCH BRACKET FOR UNITS WITH OPTIONAL BEL T -DRIVE BLOWER A specia l brac ket for m ount ing a fiel d-su pplied disconnect swit ch is provid ed in ea ch unit ordered w ith an optional belt -drive supply air bl ower . The brac ket is ship ped ins ide t he blowe r com par tment taped to t he top o f the blowe r ho usin g.
The he ating v alue of the gas may differ with localit y . Th e value shou ld be ch ec ke d with the loca l gas utilit y . NOTE : T here may be a lo cal gas ut ility re quireme nt spe cify ing a mini mum diam ete r fo r gas pipi ng. All uni ts requi re a 1/2 inch p ipe connec tion at the en trance f itti ng.
VENT AND COMBUSTION AIR HOODS The ve nt and co mbust ion air ho ods are sh ipped at tach ed to the blowe r housing in the blo wer compar tment. These ho ods must be inst alled on the o utside of the gas heat a c ces s pane l to ens ure proper unit functi on.
NOTE : I nsta ll f ilters so that “ Air F low” a rrows poin t towa rd the unit . 8. Inst all filt er cover ove r the en d of the hood with o ne scre w (cen t er of ho od ), sec urin g filter s into po s itio n.
FIG 8 - CENTER OF GRA VITY APPROXIMATE CENTER OF GRAVITY FRONT 48-11/32 21 32-1/8 15-1/4 82 1 ⁄ 4 “ X 44 7 ⁄ 8 “ CONDENSER COIL END BACK CORNER C CORNER D CORNER B CORNER A Y DIM. 3-5 TO N 6 T ON Y 19-3/4" 22 " X 40-3/4" 44 " MODELS UNIT SIZ E 036 048 060 072 EV AP .
- SUPPL Y AI R PERFORMANCE - 3 & 4 T on w/ Bel t- Dri ve Bl ower T ABLE 8 UNIT SIZE AIR FLOW CFM Available External Static P ressure - IWG* 0.20 0.
UNIT SIZE AIR FLOW CFM Available External Static P ressure - IWG* 0.20 0.30 0.40 0.50 0.60 0.70 0.80 RPM Watts RPM W at ts RPM Watts RPM W at ts RPM Watts RPM W atts RPM Watts 072 3200 1 150 2325 1 18.
OUTD OOR TEMPERA TURE, ° F SUPERHEA T A T SCROLL COMPRESSOR SUCTION, ° F , AIRFLOW = 400 CFM /T ON INDOOR WB TEMPERA TURE, ° F 55 57 59 61 63 65 67 69 71 73 75 65 25.6 26.8 28 29.2 30.4 31. 6 32.8 33.3 33.9 34.4 34.9 70 20.1 21.7 23.3 24. 9 26.5 28.
OUTD OOR TEMPERA TURE, ° F SUPERHEA T A T SCROLL COMPRESSOR SUCTION, ° F , AIRFLOW = 400 CFM /T ON INDOOR WB TEMPERA TURE, ° F 55 57 59 61 63 65 67 69 71 73 75 65 15.2 18.0 20.9 23. 7 26.5 29.3 32.1 33. 4 34.7 36.0 37.3 70 1 1.9 14.9 17.8 20. 8 23.
DUCT COVERS - Units are shipped with all air duct openings covered. For side duct applications; 1. Remove and discard the supply and ret urn air duct covers. 2. Connect duct work to duct flanges on the rear of the uni t. For bottom duct applicat ions; 1.
COOL ING SYSTEM The c ooli ng sec tion is a c omple te fact ory pac kage utiliz ing a n air-cooled condenser . The system is factory-charged wi th Refr igeran t-22. The scrol l com pres sor is her metically seale d and inte rnally sprun g. Th e scrol l compressors have inherent (internal) prot ection.
The limit switch operates when a high temperatur e con dition , caus ed b y inad equate sup ply air flow , occ urs shut ting down the igni tion co ntro l and cl osing t he mai n gas valve.
PILOT CHECKOUT The pil ot flame sh ould enve lope 3/8 inches of the end of t he flam e sens or . R efe r to Fi gure 12. T o adju st pilo t fla me, (1) rem ove pi lot ad just ment cove r scre w , (2) adjus t the s crew for the pr oper pi lot f lame, (3) be su re to re plac e cov er scre w afte r adjus tment to pr event poss ible g as l eakage .
evapor ator coil ma y vary gre atly , meas urin g th e pr essure drop across a w et coil un der field cond itions woul d be inac curat e. T o ass ure a dry co il, th e scroll compre ssors should be de-ene rgized wh ile th e test i s bein g ru n.
NORMAL MAINT ENANCE CAUT ION: Prior to any of th e follo wing ma intena nce p roce- dures , sh ut off all pow er to t he unit to prev ent person al i njur y . Periodic maintenance normally consists of changing or cleaning filters and (under some conditions) cleaning the main burners.
2. The supp ly ai r blower operates but the draft moto r doe s not when the roo m ther mosta t is se t to ca ll for h eat an d the fan swit ch in the “ON” pos itio n. a . The draft motor has inherent protection. If the motor shell is hot to the touch, wait for the internal overload to reset.
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York D2CG 072をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはYork D2CG 072の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。York D2CG 072の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。York D2CG 072で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
York D2CG 072を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はYork D2CG 072の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
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