ECOSAIRE EN Series, Owner'S Manual

Page: 29 / 142

Owners Manual Ecosaire
®
EN Series Precision Air Conditioner
Calculate Refrigerant Charge Piping Installation
Ecosaire ® July 2009 29
Data subject to change without notice.
Air-Cooled Direct-Expansion and Air-Cooled DualCool Units Only
For options, see Product Description - Model Designation Chart .
Note: Water- and Glycol-cooled units are shipped with a full refrigerant charge.
The necessary refrigerant charge is made up of three parts - that required to fill the unit, that required to fill the
liquid line, and that required to fill the remote condenser.
Ecosaire Unit
(R-410a lb. per circuit)
Model
EN-027
3.7 =______
EN-035 4.8 =______
EN-042 4.8 =______
EN-051 4.8 =______
EN-068 7.4 =______
EN-079 7.4 =______
EN-087 7.4 =______
EN-102 9.9 =______
Liquid Line
(R-410a lb. per circuit)
O.D. lb./ length
(in.) (ft.) (ft.)
5/8
0.126 X _____ = ______lbs.
3/4 0.185 X _____ = ______lbs.
7/8 0.259 X _____ = ______lbs.
1 1/8 0.441 X _____ = ______lbs.
Condenser
(lb.)
KMG041 21 = _____
KMG051 31 = _____
KMG061 33 = _____
KMG075 48 = _____
KMG085 66 = _____
KVG085 38 = _____
KVG096 38 = _____
KVG106 57 = _____
KVG116 57 = _____
KVG126 76 = _____
KVG160 85 = _____
KVG181 112 = _____
KVG208 112 = _____
KVG239 150 = _____
KVG253 150 = _____
KVG321 170 = _____
____
+ ____
+ ____
_________
Total _____
Add this much R-410a (by others).
Copy this amount into BOX A on the following page.
Example:
An EN-027A has a KMG041 remote condenser. They are connected with 60 feet of 5/8” O.D.
liquid line. The required amount of R-410a is
7.4 lb + (0.126 lb/ft X 60 ft) + 21 lb = 36 lb.
INST
ALLA
TION