Table 5 --System Piston Guide and

Refrigerant Charges

UNIT

INDOOR

OUTDOOR

REQUIRED

SYSTEM

 

 

PISTON

PISTON

 

 

CHARGE

Indoor

Outdoor

SIZE

SIZE

(Ib)*

 

 

 

 

40QNB009

38AN009

Capillary Tube

Capillary Tube

1.50

40QNB012

38AN012

Capillary Tube

Capillary Tube

180

40QNEO09

38BK009

321"

30t

150

40QNH012

38BK012

421"

42"_

2.00

*Charge is based on25 f_of interconnectingtubing. Charge may need

to be added for longer tubing runs or when used with certain fan coils. Check unit nameplate for required charge. This is a total sys-

tem charge.

tNon-serviceable Aeroquip piston.

POSSIBLE PIPING DIRECTIONS

RIGHT

SIDE

LEFT

SIDE

KNOCKOUT

BoTroM KNOCKOUT

PREPUNGHED HOLES

FOR LEFT

SIDE PIPING

FOR RIGHT

SIDE PIPING FOR

BOTi-OM/REAR

PIPING

Fig. 5 -- Fan Coil Unit Refrigerant Piping

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FAN COIL

UNIT BOTI OM

BACK VIEW

35" MAX (FOR COOLING ONLY AND

HEAT PUMP SYSTEMS)

"_1_

UNIT

30"

 

MAX

 

INDOOR ELEVATION

INDOOR

UNIT

IT

/t/Hi--till/I/I//////

// H//////H

OUTDOOR

 

UNIT

ROOFTOP

GROUND-LEVEL

INSTALLATION

INSTALLATION

Fig, 6 --Maximum System Line Lengths

Step 4 --Mount Outdoor Section

1.If outdoor section is to be installed at ground level, mount

on a solid, level support pad one in. longer and one in. wider than the outdoor section dimensions.

2.Provide sufficient clearance for airflow, wiring, refriger-

ant piping, service and maintenance. Provide a minimum clearance of 2 ft from obstructions in front of outdoor

section, 2 ft on outdoor coil side, and 2_A ft on electrical and piping side. If more than one outdoor section is in- stalled, provide a minimum clearance of 2 ft between sec- tions. Position outdoor section so that water or ice from

roof cannot fall directly on unit.

NOTE: The outdoor section can be installed higher than, lower than, or level with the elevation of the indoor section. If outdoor section is mounted higher than the in- door section, the vertical distance between the 2 units should not exceed 30 i_. If the outdoor section is installed

lower than indoor section, the vertical distance between the units should not exceed 16 ft. See table below:

MAXIMUM DISTANCE BETWEEN OUTDOOR UNITS

Outdoor

Section

Higher

30

Ft Maximum

Than

Indoor Section

 

(Vertical)

Outdoor

Section

Lower

16

Ft Maximum

Than

Indoor Section

 

(Vertical)

NOTE: Maximum system piping length between indoor and outdoor units is 35 ft.

TOP HOLES

/

FRONT VIEW

Fig. 7 --Fan Coil Unit Bracket Mounting (Size 009 Shown)

Page 9
Image 9
Carrier 38AN,BK specifications System Piston Guide Refrigerant Charges, Fig, 6 --Maximum System Line Lengths, Hi--till/I/I

38AN,BK specifications

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