Rheem RCQD Installation Manual

INSTALLATION INSTRUCTIONS

WARNING

ISO 9001:2008

FOR RCQD COILS

SUPERSEDES 92-100105-05-02

92-100105-05-03

TABLE OF CONTENTS

Model Number Explanation .. . . . . . . . . . . . . . . . . . . . . . 2

Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Airflow Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Coil Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . 5

Codes/Regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Coil Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Vertical Upflow and Horizontal Left Installation . . . . . . . . 6

Vertical Downflow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Horizontal Left Installation . . . . . . . . . . . . . . . . . . . . . . . . 7

Horizontal Right Installation . . . . . . . . . . . . . . . . . . . . . . . 7

FIGURE 1

MODEL NUMBER EXPLANATION

RCQD—24 17 AS

Refrigerant Connections. . . . . . . . . . . . . . . . . . . . . . . . . . 7

TXV Sensing Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Condensate Drain Tubing . . . . . . . . . . . . . . . . . . . . . . . . 7

Horizontal Drain Pan Extension . . . . . . . . . . . . . . . . . . . . 9

MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Indoor Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Plenum Adapter Accessory . . . . . . . . . . . . . . . . . . . . . . 10

Sweat
Variation

A - 16 & 18 SEER Application

Coil Casing
17 = 17" [431.8 mm]
21 = 21" [533.4 mm]
24 = 24" [609.6 mm]

Nominal Capacity
24 = 24,000 BTUH

[7.03 kW]

36 = 36,000 BTUH

[10.55 kW]

48 = 48,000 BTUH

[14.06 kW]

60 = 60,000 BTUH

[17.58 kW]

Design Series

Type of Coil
Q=High Efficiency AC/Heat Pump Coil

with Expansion Valve

Coil

TRADE NAME

2

FIGURE 2

197/8

UNIT SPECIFICATIONS

AIRFLOW

FRONT VIEW

3/4 NPT DRAIN
(SECONDARY)

3/4 NPT DRAIN

(PRIMARY)

A

PLENUM WIDTH

“A” Minus One Inch

B

3-3/8

1-51/64

LIQUID LINE

C

SIDE VIEW

SUCTION LINE

7-5/8

5-5/8

22

DIMENSIONS AND WEIGHTS DATA

Coil

Model

Number

RCQD-2417AS 3/8 [9.53] 3/4 [19.05] 17-1/2 [445] 19-7/8 [505] 28 [711] 59 [27] 67 [30]
RCQD-3621AS 3/8 [9.53] 7/8 [22.23] 21 [533] 24-3/4 [629] 28 [711] 74 [34] 83 [38]
RCQD-3624AS 3/8 [9.53] 7/8 [22.23] 24-1/2 [622] 24-3/4 [629] 28 [711] 80 [36] 90 [41]
RCQD-4821AS 3/8 [9.53] 7/8 [22.23] 21 [533] 24-3/4 [629] 28 [711] 74 [34] 83 [38]
RCQD-4824AS 3/8 [9.53] 7/8 [22.23] 24-1/2 [622] 24-3/4 [629] 28 [711] 80 [36] 90 [41]
RCQD-6024AS 3/8 [9.53] 7/8 [22.23] 24-1/2 [622] 24-3/4 [629] 28 [711] 80 [36] 90 [41]

Connections

Sweat (in.) [mm]

Liquid Suction

I.D. I.D.

ABC

Dimensions (in.) [mm] – Weight (lbs.) [Kg]

Coil Weight

(lbs.) [Kg]

Shipping Weight

(lbs.) [Kg]

3

TABLE 1

COIL SPECIFICATIONS / AIRFLOW PRESSURE DROP

Approx.

Model

Number

RCQD-

Type

Flow

Air

Design

Air Flow

CFM [L/s]

➀

Range

HIGH EFFICIENCY COOLING COILS

2417AS U-H

3621AS U-H

3624AS U-H

4821AS U-H

4824AS U-H

6024AS U-H

450/800 4.38

[212/378] [0.41] [.015] [.024] [.035] [.042] [.052] [.062] [.072]

720/1200 5.83
[340/566] [0.54] [.02] [.025] [.032] [.04] [.045] [.052]

720/1200 5.83
[340/566] [0.54] [.017] [.022] [0.27] [0.32] [0.37] [0.42]

960/1600 5.83
[453/755] [0.54] [.035] [.042] [.047] [.055] [.062] [.072] [.08]

960/1600 5.83
[453/755] [0.54] [.027] [.032] [.037] [.042] [.047] [.057] [.062]

1050/1700 5.83

[496/802] [0.54] [.027] [.032] [.037] [.042] [.047] [.055] [.060] [.067]

➀H = Horizontal airflow, U = Upflow

Face
Area

Sq. Ft.

[m

Fins-in.

Rows
Deep

2

]

600

[283]

0.06 0.10 0.14 0.17 0.21 0.25 0.29

14/3

14/3

14/3

14/3

14/3

14/3

Static Pressure Drop Through Wet Cooling Coil [kPa] (Inches H

700

800

900

1000

1100

1200

[330]

[378]

[425]

[472]

[519]

[566]

1300
[614]

0.08 0.10 0.13 0.16 0.18 0.21

0.07 0.09 0.11 0.13 0.15 0.17

0.14 0.17 0.19 0.22 0.25 0.29 .032

.11 .13 .15 .17 .19 .23 .25

.11 .13 .15 .17 .19 .22 .24 .27

1400
[661]

1500
[708]

2

O) CFM [L/s]

1600
[755]

1700
[802]

1800
[850]

1900
[897]

4