Carrier 06E User Manual

Compressors and Condensing Units

Hermetic, Water-Cooled

PRELIMINARY CHECKS

Inspect shipment for damage. File claim with the shipping company if shipment is damaged or parts are missing.

Local water conditions can cause excessive fouling or pitting of condenser tubes. If such conditions are anticipated, a water treatment analysis is recommended. Refer to Carrier System Design Manual, Part 5, for general water condi­ tioning information.

PLACING THE UNIT

Locate unit on floor in a well ventilated area. Install unit where it will be warmer than condi­ tioned area. Position it to allow sufficient space for refrigerant and water connections and to seiwice compressor. Allow space at one end of condenser for tube cleaning or replacement. Place unit so suction and discharge valves can be easily reached and so oil level can be checked.

Make provision in piping layout to drain and vent condenser if system is to be shut down in winter.

Level unit and bolt it firmly to foundation.

COMPRESSOR

Remove 4 self-locking bolts from compressor­ mounting springs, and reassemble them with flanged washers and neoprene snubbers as shown in Fig. 1. Flanged washers and neoprene snubbers are shipped in a cloth bag tied to compressor. Tighten all 4 bolts. Then, loosen each until the flanged washer can be moved sidewise. Check compressor to see that it floats freely on its mounting springs.»

PIPING CONNECTIONS

Attach water supply and return line to con­ nections indicated on condensing unit (Fig. 3). Water leaving condenser should not be connected directly into sewer lines; check local codes.

Attach refrigerant liquid and suction lines to condensing unit (Fig 3),suction and discharge lines to compressor unit (Fig. 2) Discharge line muffler and check valve are factory supplied with 06E com­ pressor units Install the muffler as close to shutoff valve as possible and install the check valve in the discharge line close to the muffler, on the down­ stream side. When soldering or brazing piping to valves, disassemble the valve or wrap it in wet cloth to prevent damage by heat Allow flexibility in

Table 1 — Physical Data

COMPRESSOR UNIT 06E					1V022JW027		W033		W044
					1 6ÔÔ i 640 ''650^^670
CONDENSING UNIT 07E					A022 :3027 ;B033Jp044_
OPERATING WEIGHT (Tb)					l235{TM0'[T356JT56b '
REFRIGERANT					R-22, R-502'
COMPRESSOR 66E (06EV,EW)					D2.50 IE265 IE275 IE?99^
		(07EA,EB,ED):Di50i N265 i N i /5 i N299
Oil Charge, PP33-2(pt)					14 | i9 1 19 I 19
Normal Oil Pressure*					13 to 18 psig
Oil Safety Switch				Cut-in	9 to 13 psig
				Cutout 2 to 5 psi below cut-
High-Pressure Switch
Cutout Range					300 to 400 psigt
						320 pspt,
Differential	(cutout,		cut-in)		95 ± 1 5 psi ifixed)
Factory Settings!				Cutout	335 ± 6 psig
					260 i 6 psig
				Cut-In	240 t 7 ps:<3
					175 3 7'ps>3‘ ■■■
Low-Pressure Switch					5 to 1 00 psig (adj )
Cutout Range
Differential	(cutout,		cut-in)		22 ± 8 psi (fixed)
Factory Settings!				Cutout	2	4 +	4	psig
				Cut-in		66 ± 4 psig
Low-Side Max Pressure					022	245 psig
CONDENSER 69RE						027			043
Refrigerant 22							139 f		Î95
Max Storage Capacity (lb)**
Min Operating Charge (lb)					3G	“j'y i			37
Max Operating Pressure					385 PC.Î9
Refrig erant Side
Water Side						250 psig
. 07E Condensing Unit Data
'Listed pressuies are above operating suction pressure									(pressure
diffeieniial	between	suction		and	discharge	pressures			of	oil
pump)
fAdjustable,	but only	by	authorized		personnel	and	with		special
tool
:j Listed settings		for	R-22	For	other refrigerants,			reset		to
pressures	corresponding		to	saturation temperatures			indicated			by
the listed pressures
**Condenser 80% filled with liquid refrigerant at 104 F

Fig. 1 — Compressor Mounting

© Carrier Corporation 1975

1276

Form 06E, 07E-5SI

M ODF*	DIAM KNOCKOUT
DISCHARGE VALVE
(MAY BE ROTATED 180°

L ODF

SUCTION VALVE

(MAY BE ROTATED 360° AT 90° INTERVALS)

2-31| OVERALL HEIGHT

'A~

OVERALL

LENGTH (INCLUDES CONTROL BOX OVERHANG)

DIAM-4 HOLES

*1 nstall pressure relief device in discharge line

06E Hermetic Compressor Unit Dimensions

Pressure relief setting is 465 psig	UNIT 06E		V022	W027		JW0j44_
tOverall width includes projection of fuse	mMENMONS	A	3-1 1 %	3-1IV«	4~VVu
holders
	CONNECT TONS On ) u			iVa“'	2v; '	" 2Va ”■
			IV«
		M		IV,	iVa	1 Vs

Fig. 2 —06E Hermetic Compressor Units

07E Water-Cooled Condensing Unit Dimensions

UNIT 07E

A022

§027

§033

0044

_UNJT 07E^

A022

B027

B033

0044

DIMENSIONS (fi

A

6- 5

6- 5

6- 5

6-7V

CONNECTIONS (ii

K

iVs

IVs

2Vs

2Vs

C

2-1 IV

3- 0

2-1 1V2

3-2 Vs

L

iVs

IV«

IVs

iVs

Overall Width

l-nVs

1 -1 1V

1-1IV

2-3 Vs

U

2V

2V

2V

3

Fig. 3 — 07E Water-Cooled Condensing Units

Certified dimension drawings available on request.

HR

Table 2 — Electrical Data (60-Hertz, 3-Phase) (Circuit Breakers Selected for Units Using R-22)

VOLTS	Nomina 1					200					230
	Supply Range					180-229		MÀX			207-264
														MAX
UNIT			KW	RLA	LRA	MTA	MWA	FUSE	RLA	LRA	MTA	MWA		FUSE
								AMPS						AMPS
	V022		24.8	g2	345	114	102	175	75	300	104	94		150
Compr	W027		33.6	103	471	144	129	225	92	410	128	115		200
06 E	W033		37.6	1 14	506	160	143	250	103	440	144	129		225
	W044		55.1	164	690	230	206	350	150	600	210	188		300
	A022		22.6	72	283	100	90	150	63	r 246	88	79		125
Cond	B027		31.4	96	471	134	120	200	85	410	118	106		175
07 E	B033		34.0	107	471	150	134	225	96	410	134	120		200
	D044		50.4	159	690	222	198	350	140	600	196	175		300
VOLTS	Nominal					460					575 (See Note 5)
	Supply Range					414-528					518-660
								MAX						MAX
UNIT			KW	RLA	LRA	MTA	MWA	FUSE	RLA	LRA	MTA	MWA		FUSE
								AMPS						AMPS
	V022		24.8	36	150	50	45	80	29	120	40	37		60
Compr	W027		33.6	45	205	63	56	100	36	164	50	45		80
06 E	W033		37.6	51	220	71	64	no	42	176	58	53		90
	W044		55.1	76	300	106	95	150	60	240	84	75		125
	A022		22.6	32	123	45	40	70	27	98	37	34		60
Cond	B027		31.4	43	205	60	54	90	33	164	45	42		70
07 E	B033		34.0	48	205	66	60	100	39	164	54	48		80
	D044		50.4	70	300	98	88	150	60	240	84	75		125

KW	— Maximum Power Input
LRA	— Locked Rotor Amps
MTA	— Must Trip Amps
MWA	— Minimum Wire Amps Complies with NEC Section
	430-22
RLA	— Rated Load Amps

Supply Range — Units are suitable for use on electrical systems

where voltage supplied to the unit terminals is not below or above the listed range limits

NOTES:

1 Control voltage is 115 v for all units

2

Part-winding start all

200-, 230-volt

06E

and

07E units;

460-,

575-volt 06EW044 and 07ED044 units

Across-the-line start:

all 460-, 575-volt

units

except

06EW044

and 07ED044.

3. Factory

wiring

is in

compliance with National

Electrical

Code

(NEC)

Field

wiring

must

comply

with

NEC

and

applicable

local codes Maximum incoming wire

size

to

control

center

terminal block is 250 MCM

4

The 06E compressor

unit

electrical

data

shown

in

the

table

does not apply to 06E compressors

used

as

an

integral part

of

other Carrier equipment Refer to

the

electrical

data

for

the

particular application

-> 5 Units for use on 575 volts are available on special order

(Continued from page 1.)

suction line so compressor suction valve may be moved aside for access to suction strainer.

A solenoid valve is necessary for single pump­ out control used on 06E and 07E units. Install the valve (field supplied) in the liquid line, just before the expansion valve. A filter-drier of adequate size should be installed in liquid line between con­ denser and solenoid valve.

Pressure relief valve located on side of con­ denser will open to relieve excessive pressure, allowing refrigerant to escape. Most local codes require piping from valve to outdoors.

Refer to Carrier System Design Manual for standard piping techniques.

ELECTRICAL REQUIREMENTS

Eield wiring must comply with local and national codes. See Table 2.

Install a branch circuit fused disconnect of adequate size to handle starting current. The disconnect must be within sight of the unit and readily accessible, in compliance with National Electrical Code (NEC), Section 440—14.

Line power is brought into control center thru indicated opening. Connect line power supply to

terminal block TB1; connect power leads to terminals LI, L2 and L3. Connect control circuit power supply (115 volts) to terminals 1 and 15 on terminal block TB2. Refer to Eig. 4.

Wiring connections for field-supplied equip­ ment are shown on diagram attached to unit (or in wiring diagram booklet).

Discharge line limit thermostat supplied with 06EV,W compressor units is installed on discharge line as close to compressor as possible.

1. Place mounting plate on discharge line and solder in place.

2. Easten the thermostat to plate with screws supplied.

3.Cover switch with insulation and secure insula­ tion at each end with straps.

4.Connect thermostat in series with Ml and M2 overloads, between terminals 2 and 4 on termi­ nal block TB2.

	ACCESSORIES
PACKAGE NUMBER	DESCRIPTION
07EA900021	Control Circuit Transformer
07EA900061	Gage Panel

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REFRIGERANT CHARGING

Evacuate, Dehydrate and Leak Test the entire refrigerant system by methods described in Carrier Standard Service Techniques Manual, Chapter 1, Sections 1-6 and 1-7. Use sight glass method to charge system. See Section 1-8 of Service Tech­ niques Manual for details.

CHARGE THE SYSTEM to a clear sight glass while holding saturated condensing pressure constant at 125 F (air-cooled systems) or 105 F (water-cooled systems) Add additional refrigerant to fill con­ denser subcooler coils.

07E Condensing Units - After clear sight glass is obtained, add charge until liquid refrigerant reaches condenser liquid level test cock.

06E Compressor Units — See condenser data for additional charge required to fill subcooler.

All Units — Stamp type of refrigerant and amount of charge on unit informative plate

INITIAL START-UP

Crankcase heater should be energized a mini­ mum of 24 hours before starting unit.

Check to see that oil level is approximately 1/3 up on the compressor sight glass.

Open water supply valve and allow water to
reach condenser. (Turn condenser fan on when the
compressor unit is applied with air-cooled con­
denser.)
Backseat the compressor suction	and discharge	là
shutoff valves, open liquid line valve at receiver.
Start evaporator fan or chilled water pump.
Start Compressor — Push the	control circuit

START-STOP-RESET switch to “Start.” The timer motor starts immediately. Depending on the posi­ tion of the timer, the compressor start is delayed for 12 seconds to approximately 8 minutes. Check oil pressure after compressor has run a few minutes, the pressure should be 12—18 psi above the suction pressure After about 20 minutes of operation, stop the compressor. Allow it to be idle for about 5 minutes, then observe the oil level in the sight glass. If the oil level is below the bottom of the sight glass, refer to the Carrier Standard Service Techniques Manual, Chapter 1, Section 1-11, for adding oil. The proper oil level for the 06E compressor is approximately 1/3 up on sight glass.

CONTROL POWER TERMINAL STRIP (TBg)	MAIN POWER	MAIN POWER	EQUIPMENT GROUND
	INLET,	TERMINAL	'CONNECTION
GROUND SCREW		BLOCK (TB|)
START-STOP-RESET
SWITCH
CONTROL CIRCUIT
FUSE(S)			COMPRESSOR
(2 ON 50-Hz UNITS)			CONTACTOR
CONTROL RELAYS
SENSOR MODULE			OUTLET FOR
			WIRING TO
(SOLID STATE
			COMPRESSOR
COMPRESSOR MOTOR			06E
PROTECTION)			07E
HIGH PRESSURE
SWITCH
LOW PRESSURE
SWITCH
TIMER MOTOR
(4-FUNCTION TIMER)
			COMPRESSOR
			CONTACTOR
OIL PRESSURE			(PART-WIND)
SAFETY SWITCH

ACCESSORY TRANSFORMER	MAIN POWER
(60-Hz UNITS ONLY)	CIRCUIT BREAKER
	Fig. 4 — Control Center — 06E and 07E

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4

Timer Functions (See Fig. 5 — Tinier Cycle)

1. Switch A (contacts A-Al and A-A2) provides Time Guard® function. Start of compressor is delayed approximately 5.5 minutes after shut­ off. The minimum time between starts of compressor is 8 minutes.

2.Switch B (contacts B1 and B—B2) starts compressor and de-energizes the crankcase heater. These contacts also provide one-second time delay for part-winding start.

3.Switch E (contacts E—El) provides approxi­ mately 40-second bypass of oil-pressure switch (OPS) at start-up. Compressor will shut off if sufficient oil pressure does not build up.

4.Switch D (contacts D—Dl) bypasses the lowpressure switch (EPS) for 2.5 minutes at start­ up for winter start control.

(BLACK DENOTES CLOSED CONTACTS)	TIMER POSITION DURING
0 MIN OR	UNIT OPERATION-
8 MIN

»TT?*

-'E-El-

40 SEC +5

2-6 SEC

-xA-

---

150 SEC

Fig. 5 — Timer Cycle

PROTECTION DEVICES

High-Pressure Switch — Check by throttling con­ denser water or blocking air flow on air-cooled units, allowing head pressure to rise gradually. Check discharge pressure constantly throughout procedure. Compressor should shut off within 10 psi of values shown in Table 1.

Low-Pressure Switch — Check by slowly closing suction shutoff valve or by completely closing liquid line shutoff valve. A decrease of suction pressure will follow. Compressor should shut off within 4 psi of values shown in Table 1.

Oil Pressure Switch (OPS) protects against damage from loss of oil and failure of pressure buildup during start-up. Switch time delay (approximately 35 seconds) is derived from being properly wired to the ambient and voltage insensitive Time Guard timer. If OPS locks out unit, d eterm in e a n d c o rre ct th e ca u se (such as loss of compressor oil or flooded compressor) b efo re re sta rtin g u n it Restart by pushing the control circuit switch on unit control box to “Stop” then to “Reset.” Failure to correct the cause of the OPS lockout will constitute abuse.

E q u ip m e n t fa ilu re d u e to a b u se is n o t co v ere d b y

th e W a rra n ty .

Time Guard Control protects compressor against short cycling. See Start Compressor.

Crankcase Heater prevents absorption of liquid refrigerant by oil in crankcase during brief or extended shutdown periods. Source of 115-volt power is the auxiliary control power, independent of the main unit power. This assures compressor protection even when main unit power disconnect switch is off.

N ev er		o p en	a n y sw itch		o r d isc o n n ec t		th a t	w ill
d e - e n e rg ize		th e	cra n k ca s e		h ea ter	u n le ss	u n it		is
b ein g	ser vic ed		o r is	to	b e sh u t	d o w n	fo r		a
p ro lo n g ed		p er io d	A fte r	a	p ro lo n g ed	sh u td o w n		o r	a
se rvic e	jo b , e n e rg ize			th e	cra n k ca s e	h e a ter	fo r		2 4

h o u rs b efo re sta r tin g th e co m p resso r .

Compressor Motor Protection consists of 3 tem­ perature sensors embedded in motor windings and connected to a solid state module in unit control box.

When an overtemperature condition causes module to shut compressor off, push control circuit STOP switch. Investigate cause of compressor shut­ down and correct. After compressor cools, push control circuit START-RESET switch. Compressor will restart after Time Guard delay period.

SOLID STATE MODULE is checked by applying unit control voltage to terminals T1 and T2 (see label diagram), then checking for continuity across terminals Ml and M2. If no continuity between Ml and M2, check temperature sensor resistance using a volt-ohmmeter. If all sensors check below 95 ohms (180 F) and there is no continuity between module terminals Ml and M2, replace module.

C A U T I O N :	D o	n o t u se	a b a tte ry	p o w e red	te st
la m p to	ch ec k	se n so r s	E x ce ssiv e	c u r ren t	ca n
ca u se d a m a g e

If one sensor fails, it can be jumpered out of the circuit with a 75 ohm, or higher, resistor (rated at 2 watts or higher) across the proper sensor terminal and common terminal. If a short to ground in sensor circuit is indicated, replace compressor motor.

CAPACITY CONTROL SYSTEM

Capacity Control Valve(s) is controlled by suction pressure and actuated by discharge pressure. Each valve controls 2 cylinders. On start-up, controlled cylinders do not load up until differential between suction and discharge pressure is 10 psi (see Fig. 6).

D o		n o t u se	a u to m a tic p u m p d o w n		co n tro l	o n
0 6 E ,	0	7 E u n its	e q u ip p ed w ith	u n lo a d er	va lve s .	U se
sin g le		p u m p o u t	o r so le n o id	d ro p (m in im u m		p ro ­
te ctio n )		c o n tr o l

Capacity Control Valve Adjustments

CONTROL SET POINT (cylinder load point) is adjustable from 0 psig to 85 psig. Pressure differ­ ential between cylinder load-up point and cylinder unload point is adjustable from 6 psi to 22 psi.