Carrier 06D manual

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. PC 802 Catalog No. 530-608 Printed in U.S.A. Form 06 /07D-3S I Pg 1 802 7-02 Replace s: 06/0 7D-2S I B o o k 2244 T a b 1 b2 a2 b3 a Installation, Star t-Up and Ser v ice Instr u ctions Her [...]

2 Fig. 1 — 07D Condensing Unit Dimensions DIMENSIONS (in.) UNIT 07D WIDTH A A203 30 B205 30 A208 39 9 / 16 B210 51 9 / 16 B212 51 9 / 16 B215 63 13 / 16 W A TER CONN ECTIONS FOR 07DB215 UNIT ONL Y . NOTES: 1. F or standard se rvice practices, such as trouble- shooting and refrigerant charging, allow a minimum 2 ′ -6 ″ clearance around the uni[...]

3 Fig. 2 — 06D C ompressor Unit Dimensions NO TES: 1. F or standard ser vice practices, such as trouble- shooting and refrigerant charging, allow a minimum 2 ′ -6 ″ clearance around the unit. 2. F or compressor removal, al low a minimum 3 ′ wide access aisle to and from the unit. 3. Local codes or jurisdiction may pre v ail f or unit cleara[...]

4 Install a solenoid valve (fi eld supplied) in liquid l ine directly before expansion valve. Sole noid valve is necessary for single pumpout control used on 06D, 07D units. Refrigerant filter drier and moisture indicator are shipped with 07D condensing units for field installation. Install in liquid line according to manufacturer ’ s instruction[...]

5 Fig. 3 — Unit Labe l Diagram — 06D,07D Units AU X — A uxiliar y C— Compressor Contactor CH — Crankcase Heater CR — Control Rela y DX — Direct Expansion EQUI P — Equipment FU — Fuse GND — Ground HPS — High-Pressure Switch IP — Inter nal Protector LLS — Liquid Line Solenoid V alve LPS — Low-Pressure Switch M3 — Cooling[...]

6 Compress or Uni t Connec tions — Extend power le ads from control center (contactor t erminals) to compressor termi nal box and make connections as shown in Fig. 4. T er minals 8 and 9 on motor t erminal plate are for internal protector connections. As shown in Fig. 4, run a w ire from ter- minal 9 to terminal 6 on T B2 in control ce nter and a[...]

7 Fig. 6 — Recommended Field Wiring LEGEND AU X — A uxiliary OL — Overload Rela y C— Contactor POR — Pumpout Rela y CR — Control Relay SW — Switch HPS — High-Pressure Switch TB — T er minal Block LLS — Liquid Line Solenoid V alve TR — Tim er R elay LPS — Low-Pressure S witch F actor y Wir ing M3 — Evapor ator F an or Chill[...]

8 Refr ige ran t Cha rging EV ACUA TE, DEHYD RA TE AND LEAK T EST — Entire re- frigerant system must be evacuated, dehydra ted and leak tested by methods described in Car ri er Standard Service T echni ques Manual, Chapter 1, Sections 1-6 and 1-7. Use sight glass meth- od to charge system. See Section 1-8 of manua l for details. CH A R G E TH E S[...]

9 Table 2A — 0 6D Physi cal Data *Compres sors li sted ar e f or R-2 2 appl icati ons. F or R-1 34a and R-507 / 404A an 06DR compre ssor is standard. F actor y compressor subs titut es ma y be made . Contac t Carrier Sales Repres enta tiv e. NO TE: T he 06DE8251 c ompresso r unit with th e 06D A825 compressor replaces t he 06DE824 1 once in ve nt[...]

10 Table 4 — Capacity Control Reduction Steps Capacity Cont rol Pressure (Fig. 8) LOADED OPERA TION — P r es sur e-o per a te d co ntr o l va lve is controlled by suction pressure a nd actuated by di scharge pressure. Each valve contro ls 2 cylinders (one bank). On start-up, controlled c ylinders do not l oad up until differential between sucti[...]

11 LEGEND Fig. 11 — Compressor (Bottom Plat e Removed) 1— Oil Pressure Relief V alv e 5— Eccentr ic Shaft 2— Piston and E ccentric Strap Assembly 6— Eccentr ic Strap Side Shield 3— Motor End Counterweight 7— Oil Suction T ube 4— Oil Return Check V alve 8— Pump End C ounterweight FILL CONDENSER WITH CLEANING SOLUTION. DO NOT ADD SO[...]

12 SER VICE Service Notes 1. Where compressor components are shown, the y are in normal order of removal from compressor . 2. For replacement items, use Carrier speci fied parts. See Carrier 06D Specified Part s list for compressor part inte rchan geab ilit y . 3. Before compressor i s opened, the refrigerant m ust be removed from it by the Pumpdow[...]

13 PHASE BARRIER POSITIONING KEY (SEE FIG. 19) 87 6 5 4 3 26 2 21 20 19 18 17 16 15 14 13 12 11 9 10 1 25 24 23 22 44 42 41 16 38 37 36 35 46 45 47 48 49 27 15 39 40 43 34 33 32 31 30 29 28 Fig. 12 — 06D Compressor Components (4-Cylinder with Eccentri c Shaft Shown)[...]

14 LEGEND FOR FIG. 12 Cylinder Heads — Disassemble cylinder heads by re- moving cap screws and prying up on side between cylinder head and valve plate to break heads loose from valve plate. Do not strike cylinder heads to break loose . Check heads for warping, cracks and damage to gasket surfaces. When re placing cylinder head, t orque cap screws[...]

15 Suction and Dis char g e V alve Plate Assembl y (Fig . 16) — T est for leaking discha rge valves by pumping compressor down and observing suction and discharge pressure equalization. If a discharge valve is leaking, the pressures will equalize rapidly . Maximum allow able discharge pressure drop is 3 psi per minute af t er an initial drop of 1[...]

16 Cleaning Suct ion Str ainer 1. Pump down compressor . 2. Remove motor end cover and screws holding disc type stra iner ( Fig. 1 8) to c ove r . 3. Clean strainer with solvent or replace if broke n or corroded. 4. Replace strainer and motor end cover . Pur ge or evacuate compressor before starting. Motor Replacement — S tator a nd ro tor a re n[...]

17 PUMP END MAIN BEARING — Thi s be a r in g is a m a- chined part of the new aluminum oil pump and bearing he ad casting. Disassemble beari ng head. If bearing is scored or worn, replace complete bearing head. CRANKCASE AND MOTOR END MAIN BEAR- IN GS — These bearings are not field replaceable. If bea rings are worn or damage d, replace compre [...]

18 TROUBLESHOO TING LEGEND TXV — Ther mostatic Expansion V alve Read Safety Considerat ions on page 1 before proceeding with troubleshooting. PROBLEM CA USE REMED Y Compressor does not run. Main power li ne open. Replace fuse or reset circuit break er . Safet y thermos tat tripped. Reset ther mostat. Condenser water pump not r unning — power of[...]

19 LEGEND TXV — Ther mostatic Expansion V alve PROBLEM C A U SE REMED Y System noises. Piping vibration. Support piping as required, check f or loose pipe connectors. Expansion valv e hissing. Add r efrigerant, check f or plugged liquid line strainer . Compressor noisy . Check v alv e plates f or valv e noise, replace compressor (wor n bearings),[...]

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. PC 802 Catalog No. 530-608 P rint ed in U.S.A. Form 06 /07D-3S I Pg 20 802 7-02 Repl aces: 06/0 7D-2S I B o o k 2244 T a b 1 b2 a2 b3 a Copyright 20 02 Car rier Cor po ration[...]