Instruction/ maintenance manual of the product 50RHC Carrier
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Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No .
2 Follow all safety codes. W e ar safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and the Na tional Electrical Code (NEC) for special installation requirements.
3 STO R AG E — If the equipment is not needed immediately at the jobsite, it should be left in its shipping carton and stored in a clean, dry area of the building or in a warehouse. Units must be stored in an upright position at all times. If carton stacking is necessary , stack units a maximu m of 3 high.
4 Table 1 — Physical Data — Aquazone™ 50RHC,RVC00 6-060 Units LEGEND *Size 006 av ailable in 50R HC unit only . †Size 0 41 av ailable in 50R VC unit only . NO TES: 1. All units have grommet compressor mo untings, and 1 / 2 and 3 / 4 -i n. electr ical knockouts.
5 Table 2 — Physical Data — Aquazone™ 50RHR,RVR006 -060 Units LEGEND *Size 006 av ailable in 50R HR unit only . NO TES: 1. All units hav e spring compress or mountings , TXV (thermostatic expansion valv e) expansion devices, and 1 / 2 and 3 / 4 -in.
6 Fig. 1 — 50RHC Dimensional Data NO TES: 1. Condensate is 3 / 4 -in. FPT copper. 2. Horiz ontal unit shi pped with filte r brac ket o nly . This brack et should be remov ed for return duct conne ction. 3. Hanger kit is factory installed. 50RHC UNITS O VERALL CABINET W A T ER CONNECTIONS ELECTRICAL KNOCKOUTS (in.
7 Fig. 2 — 50 RHR Dimensional Data Fr on t K M Blower O u tlet M L Right Ret u rn Fro n t Left Di s ch a rge 3 C S P B a ck Di s ch a rge Conden sa te 3 /4 “ FTP 3 .25 F F ront-View B S P Air Coil C S R B A S P Q P Fr on t K M Blower O u tlet J L Fr on t B S P LEFT RETURN RIGHT RETURN Air Coil C S P Fr on t 1.
8 Fig. 3 — 50RHS Dimensional Data NO TES: 1. Condensate is 3 / 4 -in. FPT copper. 2. Horiz ontal unit shi pped with filte r brac ket o nly . This brack et should be remov ed for return duct conne ction. 3. Hanger kit is factor y installe d. Isolation grom mets are provided.
9 Fig. 4 — T ypic al Installation — 50RHC,RHR,RH S Units UNIT HANGER ISOLA TION DET AIL.
10 Fig. 5 — 50R VC Dimensional Data NOTES: 1. Condens ate is 3 / 4 -in. (19.1 mm) FPT . 2. Filter bra ck et e xtending fr om unit 2.5-i n. (6.4 cm). Th is brac ket sh ould be rem ov ed when con necting retu rn duct. 3. Discharge flang e field instal led.
11 Fig. 6 — 50R VR Dimensional Data NOTES: 1. Condensate is 3 / 4 -in. FPT and is s witchable from side to front. 2. V er tical unit ship ped with fil ter brac ket only e xtending f rom unit 2.5 inches. Th is brac ket sh ould be rem ov ed when con necting return duct.
12 Fig. 7 — 50R VS Dimensional Data NOTES: 1. Condensate is 3 / 4 -in. FPT and is s witchable from side to front. 2. V er tical unit ship ped with fil ter brac ket only e xtending f rom unit 2.5 inches. Th is brac ket sh ould be rem ov ed when con necting return duct.
13 Fig. 8 — 50RDS Dimensional Data LEGEND HWG — Hot W ater Generator NOTES: 1. Condensate is 3 / 4 -in. PVC FPT and is swit chable from side to fr ont. 2. V ertical unit shipped with filter brac ket only e xtending from unit 2.5 inch. This brack et should be removed when connecting r etu rn duct.
14 Step 3 — Unit Location — The following guidelines should be considered when choosing a location for a WSHP: • Units are for indoor use onl y . • Locate in areas where ambient temperatures are between 40 F and 100 F and relative humidity is no greater than 75%.
15 Step 4 — Mounting the Unit HORIZONT AL UNITS (50RHC,RHR ,RHS) — H or i z on t a l u ni t s should be mounted using the factory-installed hangers. Proper attachment of hanging rods to building structure is critical for safety . See Fig. 4 and 13.
16 Step 6 — Condensate Drain HORIZONT AL UNITS (50RHC,RHR,RHS) — S l op e t he unit toward the drain at a 1 / 4 in. drop at drain end. See Fig. 15. If it is not possible to meet the required pitch, install a conden- sate pump at the unit to pump condensate to building drain.
17 W ater Supply and Quantity — Check water supply . W ater supply should be plentiful and of good quality . See T able 4 for water quality guidelines. In all applications, the quality of the water circulated through the heat exchanger must fall within the ranges listed in the W ater Quality Guidelines table.
18 Step 8 — Field P ower Suppl y Wiring All field installed wiring, including the electrical ground, MUST comply with the National Electrical Code (NEC) as well as applicable local codes. In addition, all field wiring must conform to the Class II temperature limitations described in the NEC.
19 *Optional wiring. AL — Alarm Relay Contacts BM — Blower Motor BMC — Blower Motor Capacitor BR — Blower Rela y CB — Circuit Breaker CC — Compressor Contactor CO — Sensor , Cond ensate .
20 *Optional wiring. AL — Alarm Relay Contacts BM — Blower Motor BMC — Blower Motor Capacitor BR — Blo wer Relay CB — Circuit Break er CC — Compressor Contactor CO — Sensor , Condensate .
21 Wire Nut Relay Contacts - N.C . Relay Contacts - N.O . Low Pressure Switch High Pressure Switch Splice Cap Circuit Breaker Fig. 21 — T ypical Aquazone™ Complete C and LON Controller Wiring NO TES: 1. Compressor and blo wer motor thermally prote cted internally .
22 LEGEND Wire Nut Relay Contacts - N.C . Relay Contacts - N.O . Low Pressure Switch High Pressure Switch Splice Cap Circuit Breaker Fig. 22 — T ypical Aquazone™ Deluxe D and LON Contr oller Wiring NO T ES: 1. Compressor and blow er motor thermally protected inter nally .
23 AQ U AZONE CONTROL (C Control Shown) Fig. 25 — T ypical Aquazone Contro l Board Jumpe r Locations a50-6268tf.tif NO TE: Low voltage connector ma y be remov ed for easy installation.
24 Table 5 — 50RHC,RVC Electrical Data LEGEND *Size 006 av ailable in 50RHC unit only . †Size 041 a vailab le in 50R VC unit only . NO TES: 1. HA CR circuit breaker in U .
25 Table 6 — 50RHR,RVR Electrical Data LEGEND *Size 006 is av ailable in 50RHR units only . 50RHR,R VR UNITS V OL TS-PHASE 60 Hz VO L T AG E MIN/MAX COMPRESSOR F AN MO TOR FLA TOT A L UNIT FLA MIN CIRCUIT AMP MAX FUSE/HA CR RLA LRA 006* 208/230-1 197/254 2.
26 Table 7 — 50RDS, RHS, R VS Electrical Data LEGEND PRE-ST ART -UP System Chec kout — When the installation is complete, follow the system checkout procedure outlined below before starting up the system.
27 AI R CO IL — T o obtain maximum performance, clean the air coil before starting the unit. A ten percent solution of dish- washer detergent and water is recommended for both sides of the coil.
28 Table 9 — 50RHC,RVC Bl ower Performance *Size 006 is a vaila ble in 50RHC unit only . †Size 041 is a vailab le in 50RVC unit only . NO TES: 1. Gra y areas denote ESP (e xternal static pressure) where operation is not recommended. 2. Units f actor y shipped on medium speed.
29 Table 11 — 5 0R VC Blower P erf ormance with W et Coil Table 12 — 50RHS,RVS,RDS Blower Performance LEGEND — — Not Recommended NO TES: 1. Includes allowance f o r wet coil and clean f actory-installed filter. 2. Units factory shipped on medium speed (015 on Low).
30 FIELD SELECT ABLE INPUTS Jumpers and DIP (dual in-line package) switches on the control board are used to customize unit operation and can be configured in the field. C Contr ol Jumper Settin gs (See Fig. 19) W A TER COIL FREEZE PROTECTION (FP1) LIMIT SETTING — Se le ct jum pe r 3, (J W3- FP 1 Lo w T em p) to choose FP1 limit of 10 F or 30 F .
31 boilerless operation mode, only the compressor is used for heating when FP1 is above th e boilerless changeover tempera- ture set by switch 8 below . Select ON for normal operation or select OFF for boilerless operation. Boilerless Changeover T emperature — Switch 8 on S1 pro- vides selection of boilerless ch angeover temperature set point.
32 during the reheat mode of operation. The hydronic coil is uti- lized during the reheat mode of ope ration to reheat the air to the set point of the proportional controller . Condenser water is di- verted by the motorized valve and pumped through the hydron- ic coil by the loop pump in proportion to the control set point.
33 Operating Limits ENVIRONMENT — This equipment is design ed for indoor installation ONL Y . Extreme va ri ations in temperature, hu- midity and corrosive water or air will adversely affect the unit performance, reliability and service life. POWER SUPPL Y — A voltage variation of ± 10% of nameplate utilization voltage is acceptable.
34 Unit Start-Up Heating Mode NOTE: Operate the unit in heating cycle after checking the cooling cycle. Allow 5 minutes between tests for the pressure or reversing valve to equalize. 1. T urn thermostat to lowest setting and set thermostat switch to HEA T position.
35 Table 22 — 50RHR,RVR Coaxial Water Press ure Drop *Size 006 a va ilable in 50RHR unit only . Table 23 — 50RHS,RVS,RDS Coaxial Water Press ure Drop Table 24 — 5 0RHC,RVC Coaxial Water Pressure Drop *Size 006 av ailable in 50RHC unit on ly . †Size 041 a v ailable in 50R VC unit only .
36 Table 25 — Approximate Fluid Volume (gal.) per 100 Ft of Pipe LEGEND NO TE: V olume of heat exchanger is approxima tely 1.0 gallon. Table 26 — Antifr eeze Percentages by Volume Cooling T ower/Boiler Systems — These systems typ- ically use a common loop temperature maintained at 60 to 90 F .
37 compressor application, all comp ressor relays and related func- tions will track with their associated DIP switch 2 on S1. NIGHT LOW LIMIT (NLL) ST AGED HEA TING — I n NLL staged Heating mode, the override (OVR) input becomes active and is recognized as a call for heating and the control will immediately go into a Heating St age 1 mode.
38 Aquazone™ Deluxe D Contr ol LED Indica- tors — There are 3 LED indicators on the Deluxe D Control: ST A T U S L ED — Status LED indicates the current status or mode of the Deluxe D control. The Status LED light is green. TE S T LE D — T est LED will be activated any time the De- luxe D control is in test mode.
39 Compressor — Conduct annual amperage checks to in- sure that amp draw is no more than 10% greater than indicated on the serial plate data. Fan M ot o rs — All units have lubricated fan motors. Fan motors should never be lubric ated unless obvious, dry opera- tion is suspected.
40 Refrigeran t Charging NOTE: Do not vent or depressurize unit refrigerant to atmosphere. Remove and reclaim refrigerant following accepted practices. Air Coil Fan Motor Remo val Disconnect motor power wires from motor terminals before motor is removed from unit.
41 Table 30 — Troubleshooting LEGEND RV — R ever s in g V a l ve F AUL T HEA TING COOLING POSSIBLE CA USE SOLUTION Main Power Problems X X Green Stat us LED Off Check line voltage circ uit breaker and discon nect. Check for line v oltage bet ween L1 and L2 on the co ntactor.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
CL-1 50RHC,R VC,RHR,RHS,R VR,R VS,RDS ST ART -UP CHECKLIST CUSTOMER: ___________________________ JOB NAME: _______________________________________ MODEL NO.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
An important point after buying a device Carrier 50RHC (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 50RHC 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 50RHC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 50RHC you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 50RHC will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 50RHC, 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 50RHC.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 50RHC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 50RHC 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
