Manuale d’uso / di manutenzione del prodotto Refrigeration System H-IM-82B del fabbricante Heatcraft Refrigeration Produc
Vai alla pagina of 20
H-IM-82B July 2008 P ar t No . 25001901 Re frigeration S y st em Installa tion Refriger ation S y stem F or Outdoor Applications Installation and Opera tion Guide Replaces H-IM-82A (6/06) © 2008 Heatcraft Refrigeration Products LL C T able of C ontents 1.
2 1. Owner's Operating Instructions P er formanc e / Elec trical Data T able 3. Specications Model Refrigerant Refriger ant Charge (oz.) T otal Heat of Rejection (BTUH) Appro x.
3 25" x 25" panel opening required f or evaporator section of medium cabinet sizes . * 21.5" with weather hood. Figur e A. Medium Cabinet Dimensions without weather hood Models PT T 021, 031, 044, 047, 063, 072 Dimensional Diagrams Figur e B.
4 1. Owner's Operating Instructions Some general rules for the evaporat or section placement which must be follow ed are: 1. Ensure that the structural integrity of the box can withstand the weight of the top mounted equipment. 2. The air pattern must cov er the entire r oom.
5 1. Owner ’ s Op era ting Instructions T able 4. Contr ol F ac tory Default S ettings PT T Models T emperature Set Points Defrost Start T imes Defrost Duration (Maximum) Drip Time F an Delay Defrost T ermination Set Point Cooler Models All cabinet sizes 35˚F Every 3 hours of compressor run time 60 min.
6 1. Owner's Operating Instructions The Outdoor c omes standard with the following additional c omp onents: • Crankcase Heater • Drain Line Heater • W eather Hood • F an Cycling (Pressure on 1 fan models , Pressure and A mbient on 2 fan models).
7 1. Owner's Operating Instructions F igure 1. Curb placed on r oof of walk-in cooler . F igure 2. Roof membrane placed ov er curb. F igure 3. PT T unit placed on roof of walk -in color . (see rigging instructions). F igure 4. Weather hood installed after electrical ser vice connection.
8 Ser vice Inf ormation All units are designed for maximum dur ability , reliability and simplicity . comes to you ready f or operation, fully charged and with all controls pr eset at the factor y . T he following inf ormation is provided as an aid in the even t that service is required.
9 MAIN FUNCTIONS HO W T O S E E TH E SE T PO IN T 1. Push and immediately r elease the SE T key: the display will show the Set point value . HOW T O CHANGE THE SETPOINT 1. Push the SET key f or more than 2 seconds to change the Set point value; 2. The value of the set point will be displa yed and the LED starts blink ing; 3.
10 Reprinted with permission from Dixell . DISPLA Y CF T emperature measurement unit °C=Celsius; °F=F ahrenheit. W ARNING: When the measurement unit is changed the SET point and the values of the pa.
11 Reprinted with permission from Dixell . 3. Coolers Air Defrost Sequence of Oper ation for C o olers Air defrost units are pr eprogr ammed for 3 hours of compressor run time between defr osts. These periods are not reprog rammable. After 3 hours , the temperature c ontrol will turn the compressor o .
12 4. Ser vice Inf ormation T able 5. Sy stem T roubleshooting Chart PROBLEM POSSIBLE CAUSES POSSIBLE CORRECTIVE STEPS Compressor 1. Main switch open. 1. Close switch. will not run 2. F use blown. 2. Check electrical circuits and motor winding for shorts or grounds .
13 Replacement P ar ts by 4. Ser vice Inf ormation *Kits include control, sensors , mounting hardware and instructions. **PSC motor option (H designation on end of model name): part 25307801 = 25308601, par t 25307701 = 25308501, part 25303201 = 25399201, par t 25300101 = 25308501.
14 5. Wiring Inf ormation Cooler - Air Defr ost Sy stems - Single Phase Diagram 1. Wiring Diagram f or System, Air Defr ost 208-230/1/60 (B): Models PT T047H2B, PTT063H2B, PTT072H2B, PT T099H2B, and PTT128H2B. Medium and Large Cabinet Models Wiring . 208-230/1/60 voltages.
15 Diagram 2. Wiring Diagram f or System, Electric Defrost 208-230/1/60 (B): Models PT T021L6B, PTT031L6B, PTT044L6B, PT T052L6B, and PTT069L6B. Fr eezer - Electric Defrost Sy stems - Single Phase Medium and Large Cabinet Models Wiring . 208-230/1/60 voltages Indoor and Outdoor Models with Dixell XR-60C Con troller 5.
16 5. Wiring Inf ormation Diagram 3. Wiring Diagram f or System, Electric Defrost 208-230/1/60 (B): Models PT T021L6B, PTT031L6B, PTT044L6B, PT T052L6B and PTT069L6B.
17 Large Cabinet Models Wiring . 208-230/3/60 voltage. Diagram 4. Wiring Diagram f or System, Air Defr ost 208-230/3/60 (C): Models PTT099H2C and PT T128H2C. Cooler - Air Defr ost Sy stems - Three Phase YELLOW BLACK RT N L C BLACK BLUE BLACK BLUE -(3) Hours of compressor run time between defrosts.
18 Fr eezer - Electric Defrost Sy stems - Three Phase Diagram 5. Wiring Diagram f or System, Electric Defrost 208-230/3/60 ( C): Models PT T052L6C and PT T069L6C only .
19 RT -- ROOM THERMOST A T CFM -- CONDENSER F AN MOTOR CC -- COMPRESSOR CONT ACTOR EFM -- EV APORATOR F AN MOTOR LEGEND HL -- HEA TER LIMIT THERMOST AT DH -- DEFROST HEA TER GND -- GROUND RC -- RUN CA.
2175 W est P ark Place Blvd. • S tone Mountain, GA 30087 (800) 321-1881 • F ax: (770) 465-5990 • w ww .heatcraftrpd.com Since product improv ement is a continuing eort, we reserve the right to make changes in specications without notice .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Heatcraft Refrigeration Products Refrigeration System H-IM-82B è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Heatcraft Refrigeration Products Refrigeration System H-IM-82B - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Heatcraft Refrigeration Products Refrigeration System H-IM-82B imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Heatcraft Refrigeration Products Refrigeration System H-IM-82B ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Heatcraft Refrigeration Products Refrigeration System H-IM-82B, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Heatcraft Refrigeration Products Refrigeration System H-IM-82B.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Heatcraft Refrigeration Products Refrigeration System H-IM-82B. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Heatcraft Refrigeration Products Refrigeration System H-IM-82B insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
