Carrier 50MQ User Manual download pdf

Number One

Air Conditioning

Maker

Division ot Carrier Corporatio

Syracuse New York

Single-Package Heat Pump Units

The 50MQ units are completely self-contained

cooling and heating systems with provision for

addition of accessory electric heaters. They are

air-to-air heat pumps designed for outdoor installa

tion. They may be connected into existing duct

systems which are properly sized and designed to

handle an air quantity of 400 to 500 cfm per ton

of cooling. Required connections include air ducts,

condensate drain, line and control power wiring.

Field-supplied filter must be installed in return air

duct. (See Table 1 for filter size.)

INSTALLER'S PRELIMINARY SURVEY

Step 1 — Inspect Equipment — File claim with

shipping company if shipment is damaged or

incomplete.

Step 2 — Complete or Consider the Following

before installing the 50MQ unit;

a. Consult local building codes for special installa

tion requirements.

b. Provide sufficient space for coil air flow clear

ance, wiring, and servicing unit. (See Fig. 1.)

c. Locate unit where supply and return air ducts

can be conveniently brought out to unit duct

connections.

d. Unit may be placed with duct side as close to

building as condensate drain, top removal, duct

connections and power connections will permit

Position unit so water or ice from roof will not

drop directly on top of unit or in front of coil

e. Make provisions for condensate drainage and

defrost water disposal. See Mounting Pad and

Cooling Cycle Condensate Disposal.

f. Roof installation method for 50MQ will depend

on building construction and special require

ments of local building codes. Ensure roof will

support unit weight. See Mounting Pad for

details.

Table 1 — Installation Data (See Fig. 1.)

UNIT

50MQ022 50MQ027 50MQ032

50MQ037

OPER WT (lb)

315

330 340

353

DIMENSIONS

{ft-in») A

6‘/4

B 3-

2- 3Ys

2- 3%

2- 3% 2- 7%

1-1OY4

1-1OV4

1-10^4

1-1OY4

0- 6^6

0- óV.e

0- 6V,6

0-10“/,6

0-10“/Ì6

0-10“,(e

1 -- 1 6

1 — 1 6 1 — 1 ^/] 6

DUCT CONN.

Side'by-Si(d€ Rectangu or

(ft-in.)

, , H

1- 9%

Supply j

\QX

1 -

Return

FILTER SIZEt (in.)

Disposable

20 X 25

20 X 25 15 X 20(2)

1 5 X 20

20 X 20

Permanent

15 X 20

20 X 20 20 X 20

20 X 25

‘Dimension "C"

t Recommended

includes 1 1/4-in built-in base support channels (2)

field-supplied filters are 1-in. thick

, ,,T

4-0 OVERHEAD AIR

SPACE REQUIRED

CHANNELS-2)

a OIAM HOLE-

CONTROL

WIRING CONN

l| DIAM HOLE-UNIT

LINE WIRING CONN „

REAR VIEW

■g ID SIDE CONDENSATE

DRAIN FITTING

SPACE REQUIRED FOR SERVICE ON

REAR OF UNIT IS I'-O"

O SUPPLY AIR

^ RETURN AIR

Certified dimension drawings available on request

Fig. 1 — Dimensions and Connections

Form No 50MQ-1SI

Summary of Contents

Page 1

Number One Air Conditioning MakereDivision ot Carrier CorporatioSyracuse New YorkSingle-Package Heat Pump UnitsThe 50MQ units are completely self-co

Page 2

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