Bryant 280ANV Make Piping Connections, Personal Injury and Unit Damage Hazard, Accessory Usage

Step 7 — Make Piping Connections

!WARNING

PERSONAL INJURY AND UNIT DAMAGE

HAZARD

Failure to follow this warning could result in personal injury or death.

Relieve pressure and recover all refrigerant before system repair or final unit disposal. Use all service ports and open all flow-control devices, including solenoid valves.

!CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or improper operation.

Do not leave system open to atmosphere any longer than minimum required for installation. POE oil in compressor is extremely susceptible to moisture absorption. Always keep ends of tubing sealed during installation.

!CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or improper operation.

If ANY refrigerant tubing is buried, provide a 6 in. (152.4

mm)vertical rise at service valve. Refrigerant tubing lengths up to 36 in. (914.4 mm) may be buried without further special consideration. Do not bury lines longer than 36 in. (914.4 mm).

Outdoor units may be connected to indoor section using accessory tubing package or field-supplied refrigerant grade tubing of correct size and condition. For tubing requirements beyond 80 ft. (24.38 m), substantial capacity and performance losses can occur. Follow the pipe sizing recommendations in the 280ANV Product data to manage these losses.

Refer to Table 1 for field tubing diameters. Refer to Table 2 for accessory requirements.

Table 1 – Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (in.)

		LIQUID		VAPOR*
UNIT SIZE
	Connection	Tube	Connection	Max (Rated)	Minimum Tube
	Diameter	Diameter	Diameter	Diameter	Diameter
280ANV024	3/8	3/8	7/8	7/8	5/8
280ANV036	3/8	3/8	7/8	7/8	5/8
280ANV048	3/8	3/8	7/8	1--- 1/8	3/4
280ANV060	3/8	3/8	7/8	1--- 1/8	3/4

* Units are rated with 25 ft. (7.6 m) of lineset. See Product Data sheet for performance data when using different size and length line sets.

Notes:

1.Do not apply capillary tube indoor coils to these units.

2.For Tubing Set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal and / or greater than 20 ft. (6.1 m) vertical differential, an accessory Liquid Line Solenoid must be installed.

Table 2 – Accessory Usage

	REQUIRED FOR	REQUIRED FOR LONG LINE	REQUIRED FOR SEA	Installations with Radio
	LOW---AMBIENT COOLING			Frequency Interference
ACCESSORY		APPLICATIONS*	COAST APPLICATIONS
	APPLICATIONS			Concerns in the Range
		(Over 80 ft/24.38 m)	(Within 2 miles/3.22 km)
	(Below 55°F/12.8_C)			of 2 to 30 MHZ
Crankcase Heater	Standard	Standard	Standard	Standard
Evaporator Freeze Protection	Standard with Evolution Control	No	No	No
Liquid---Line Solenoid Valve	No	Yes	No	No
Low---Ambient Control	Standard with Evolution Control	No	No	No
Puron Refrigerant Balance Port	Yes{	Yes{	Yes{	Yes{
Hard---ShutOff TXV
Support Feet	Recommended	No	Recommended	No
Winter Start Control	Standard with Evolution	Standard with Evolution	Standard with Evolution	Standard with Evolution
	Control	Control	Control	Control
EMI Kit	No	No	No	Yes

*For tubing set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or 20 ft. (6.10 m) vertical differential (total equivalent length), an accessory Liquid Line Solenoid must be installed.

{ Required on all indoor units. Standard on all new Puron refrigerant fan coils and furnace coils. Standard = Standard for all new Puron refrigerant fan coils and furnace coils.

5