Rheem RRKA-A Installation Manual

INSTALLATION AND OPERATING INSTRUCTIONS FOR MODELS:

RCBA/RCGA/RCHA/RCGJ/RCHJ/RCHL

RXBC – INDOOR COIL CASING

92-20707-17-11

SUPERSEDES 92-20707-17-10

	TABLE OF CONTENTS		Condensate Drain Tubing ...................................................	9
	Model Number	2	IV. Maintenance........................................................................	9
			Air Filter	10
	Unit Specifications	3,4
			Indoor Coil	10
	Coil Application	5, 6, 7
			V. Accessories	10
	I. Inspection	8
			Internal Coupler Accessory	10
	II. General Information	8
			Plenum Adapter Accessory	10
	Codes/Regulations	8
			Horizontal Drain Pan Kit	10
	Replacement Parts	8
	III. Installation ...........................................................................	8
	Vertical Upflow/Downflow....................................................	8
	Horizontal ............................................................................	8
	Refrigerant Connections .....................................................	9
	Flowcheck Pistons ..............................................................	9

RCBA - CASED OR UNCASED INDOOR COILS

VARIATION

R C (–) (–) – 36 ** A U 17 A OPT BLANK = NONE

M = REVISED HORIZONTAL

J = REVISED HORIZONTAL W/INSULATION

VARIATION

BLANK = NONE

A = FILTER/FILTER RACK

B = ADAPTERS (78% FURNACE)

X = IF UNIT HAS INSULATION

	COIL CASING
	14 = 14"		21 = 21"
	17 = 171⁄2"		24 = 241⁄2"
AIRFLOW/REFRIGERANT CONNECTION
“A” CONNECTION		U = UPFLOW, DOWNFLOW - LEFT (STD)
	D = UPFLOW, DOWNFLOW - RIGHT
	L = HORIZONTAL (LEFT) - TOP
	R = HORIZONTAL (RIGHT) - TOP
	S = UPFLOW/DOWNFLOW - LEFT OR RIGHT
“G” CONNECTION		G = UPFLOW/DOWNFLOW/FRONT
	H = HORIZONTAL - (LEFT)/FRONT
	Z = HORIZONTAL - (RIGHT)/FRONT

																																CONNECTION (REFRIGERANT)
																																A = SIDE
																																G = FRONT
																															METERING DEVICE (CODE)						RCGA COILS
																															** = TX VALVE OR FLOWCHECK SIZE					COIL	TXV		TXV	PISTON
																															TX VALVE (e.g. A1)					SIZE	CODE		SIZE	SIZE
																															FLOWCHECK (e.g. 99 FOR .099
																																				24	A1	1 1/2		.099
																															PISTON SIZE)
																																				24	A2	2		.120
																														NOMINAL CAPACITY
																																				37	A1	2 1/2		.140
																														24	= 18,000 TO 24,000 BTUH					36	A2	3		.157
																														36/37 = 30,000 TO 36,000 BTUH
																																				48	A1	3 1/2 & 4		.157
	48																														= 42,000 TO 48,000 BTUH
																																				60	A1	5		.172
	60																														= 60,000 BTUH
																																					RCHA COILS
																														(ACTUAL CAPACITY IS DEPENDENT UPON
																														METERING DEVICE AND SYSTEM						24	A1	1 1/2		.099
																														COMBINATION. SEE OUTDOOR UNIT						24	A2	2		.120
																														INSTRUCTIONS FOR SPECIFICATIONS.)						36	A1	2 1/2 & 3		.157
																												DESIGN SERIES								48	A1	3 1/2 & 4		.157
																												A = 1ST DESIGN								60	A1	5		.172
																												J = 14 SEER SYSTEM (1ST DESIGN)									RCGJ COILS
																										TYPE OF COIL										24	A1	1 1/2		.099
																										B = FLOWCHECK (COOLING/HEAT PUMP)										24	A2	2		.120
																																				36	A1	2 1/2		.120
																										G = EXPANSION VALVE (COOLING ONLY)
																										H = EXPANSION VALVE (HEAT PUMP ONLY)										36	A2	3		.140
																							COIL													48	A1	3 1/2		.140
																																				60	A1	4 & 5		.157
																							TRADE NAME
																																				60	A2	5		.172
														*NOTE!! UNCASED COIL MODEL NUMBERS END AFTER 10TH POSITION (REF. ASTERISK)																							RCHJ COILS
																																				24	A1	1-1/2		0.099
	RXBC - INDOOR COIL CASING																																			24	A2	2		0.120
																																				36	A1	2-1/2		0.140
	R X B C – A 14																																			36	A2	3		0.140
																																				48	A1	4		0.140
																																				48	A2	4		.157
																														CABINET WIDTH						60	A1	5		.172
																	14 = 14"																21 = 21"			51	A1	COIL A = 3		0.120
																	17 = 17-1/2"																24 = 24-1/2"					COIL B = 1.5		0.086
																													DESIGN SERIES							61	A1	COIL A = 4		0.140
																																						COIL B = 1.5		0.086
																													A = SIDE CONNECTION
																													C = FRONT CONNECTION								RCHL COILS
																												COIL CASING								24	A2	1-1/2 & 2		0.099
																																				36	A1	2		0.099
																											BLOWER UNIT
																																				36	A2	3		0.120
																									ACCESSORY											48	A1	3		0.120
																																				48	A2	3		0.120
																								TRADE NAME
																																				60	A1	4		0.140

2

UNIT DIMENSIONS & WEIGHTS — CASED AND UNCASED COILS

			CONNECTION SIZE (in.)					UNIT WEIGHT (lbs)
MODEL	UNCASED	STANDARD	SWEAT		UNCASED			STANDARD		CASED COIL WITH
NUMBER	COIL	CASED COIL				COIL		CASED COIL		HORIZ. DRAIN PAN
	“X” in.	“W” in.	LIQUID I.D. SUCTION I.D. WT.				SHIP WT.	WT.	SHIP WT.	WT.	SHIP WT.
RCBA-24	12-1/4	14			15		17	32	34	37	39
RCGA-24	12-1/4	14			16		18	35	37	38	40
RCHA-24			3/4
RCBA-36	15-3/4	17-1/2			20		22	39	41	44	47
RCGA-36/37	15-3/4	17-1/2			21		23	40	42	45	48
RCGJ-24A2
RCGJ-24A1
RCHA-36			3/8
RCHJ-24A1
RCHJ-24A2
RCHL-24A2
RCBA-48	19-1/4	21			26		29	46	49	52	55
RCGA-48	19-1/4	21			27		30	47	50	53	56
RCGJ-36A1
RCGJ-36A2
RCHA-48
RCHJ-36A1
RCHJ-36A2			7/8
RCHL-36A1
RCHL-36A2
RCBA-60	22-3/4	24-1/2			32		35	54	57	60	64
RCGA-60	22-3/4	24-1/2			33		36	55	58	61	65
RCGJ-48A1
RCHJ-48A1
RCHL-48A1
RCHL-48A2
RCGJ-60A2
RCHJ-48A2
RCHJ-60A1
RCGJ-60A1
RCHA-60
RCHL-60A1
RCGJ-61A1
RCHJ-51A1	N/A	24-1/2			N/A		N/A	110	116	122	130
RCHJ-61A1

IMPORTANT

ALL VERTICAL DRAIN CONNECTIONS

HAVE PLASTIC WEB COVERING

OPENING WHICH MUST BE KNOCKED

OUT BEFORE CONNECTION(S) ARE MADE.

UNIT DIMENSIONS & WEIGHTS — RXBC INDOOR COIL CASINGS

MODEL	WIDTH	HEIGHT	DEPTH	UNIT WEIGHT		SUPPLY		RETURN
NUMBER	“W” in.	in.	in.	WT.	SHIP WT.	WIDTH"	DEPTH"	WIDTH"	DEPTH"
RXBC-*14	14			17	19	13		13
RXBC-*17	17-1/2	17-1/2	22	19	21	16-1/2	19-5/8	16-1/2	19-7/8
RXBC-*21	21			20	23	20		20
RXBC-*24	24-1/2			22	25	23-1/2		23-1/2

Supply dimensions for upflow & horizontal units. This is return dimensions for downflow units.Return dimensions for upflow & horizontal units. This is supply dimensions for downflow units. * A = Side Connection; C = Front Connection

3

RC*J 51A1 & 61A1 COILS

DIMENSION FROM BOTTOM

OF CASING (0) TO CENTER

OF KNOCKOUT (K.O.)

DIMENSION FROM BACK

OF CASING TO CENTER

OF KNOCKOUT (K.O.)

22

UNIT MAY BE INSTALLED

UPFLOW OR DOWNFLOW

AIR SUPPLY.

ALL OPENINGS

IN CASING

ARE KNOCKOUTS.

REFRIGERANT, &

DRAIN K.O.’S ARE

TYPICAL BOTH SIDES

OF CABINET

CAUTION

ALL VERTICAL DRAIN CONNECTIONS HAVE PLASTIC WEB COVERING

OPENING, WHICH MUST BE KNOCKED OUT BEFORE CONNECTION(S) ARE MADE

35

21-1/8 — 32-3/8

21-5/16 — 31-9/32

21-1/32 — 30

21-1/32 — 22-1/2

21-5/16 — 21-7/32

21-1/8 — 20-1/8

17-1/2

21-1/8 — 14-7/8

21-5/16 — 13-25/32

21-1/32 — 21-1/2

21-1/32 — 5

21-5/16 — 3-23/32

21-1/8 — 2-5/8

0

VAPOR LINE CONNECTION

241⁄2

LIQUID LINE CONNECTION

AUXILIARY DRAIN CONNECTION 1/4” FEMALE PIPE THREAD (NPT)

PRIMARY DRAIN CONNECTION

3/4” FEMALE PIPE THREAD (NPT)

A069401

9⁄16

13⁄16

1229⁄32

1113⁄16

21

“X”

FLOWCHECK PISTON

SEE UNIT DIMENSIONS & WEIGHT CHART

SHEET 3 FOR “W” & “X”

4