T h e Q u a l i t y L e a d e r i n C o n d i t i o n i n g A i r
R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A
R e v. : 5 J u n e , 2 0 0 8
Refrigeration Installation
x CAUTION! x
CAUTION!
x CAUTION! x
CAUTION! Installation of a factory supplied liquid line
Line Set Installation
Figures 12a through 13b illustrate typical installations with the “indoor” and “outdoor” versions of the compressor section matched to either an air handler (fan coil) or
A reversible heat pump filter drier is installed on the liquid line inside the compressor section cabinet
Table 4: Lineset Diameters and Charge Information
All brazing should be performed using nitrogen circulating at
When passing refrigerant lines through a wall, seal opening with
Installing the Lineset at the Compressor Section
Braze the line set to the service valve stubs as shown in Figure
10.On installations with long line sets, copper adapters may be needed to connect the larger diameter tube to the stubs. Nitrogen should be circulated through the system at
Compressor section is shipped with a factory charge. Therefore, service valves should not be opened until the line set has been leak tested, purged and evacuated. See “Charging the System.”
Installing the Indoor Coil and Lineset
| Factory† | Basic* | 20 Feet [6 meters] | 40 Feet [12 meters] | 60 Feet [18 meters] | ||||
Model | Charge (oz) | Charge (oz) |
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Liquid |
| Suction | Liquid | Suction | Liquid | Suction | |||
| [kg] | [kg] |
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| HSS Series |
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018 | 70 [1.98] | 55 [1.56] | 3/8” |
| 3/4” | 3/8” | 3/4” | 3/8” | 3/4” |
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024 | 74 [2.10] | 59 [1.67] | 3/8” |
| 3/4” | 3/8” | 3/4” | 3/8” | 7/8” |
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030 | 108 [3.06] | 93 [2.64] | 3/8” |
| 3/4” | 3/8” | 7/8” | 3/8” | 7/8” |
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036 | 117 [3.32] | 102 [2.89] | 3/8” |
| 3/4” | 3/8” | 7/8” | 3/8” | 7/8” |
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042 | 122 [3.46] | 107 [3.03] | 3/8” |
| 7/8” | 3/8” | 7/8” | 3/8” | 7/8” |
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048 | 130 [3.69] | 115 [3.26] | 3/8” |
| 7/8” | 3/8” | 7/8” | 1/2” | |
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060 | 136 [3.86] | 121 [3.43] | 3/8” |
| 1/2” | 1/2” | |||
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| HTS Series |
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024 | 90 [2.55] | 75 [2.13] | 3/8” |
| 3/4” | 3/8” | 3/4” | 3/8” | 7/8” |
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036 | 104 [2.95] | 89 [2.52] | 3/8” |
| 7/8” | 3/8” | 7/8” | 3/8” | 7/8” |
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048 | 126 [3.57] | 111 [3.15] | 3/8” |
| 7/8” | 3/8” | 7/8” | 1/2” | |
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060 | 168 [4.76] | 138 [3.91] | 1/2” |
| 1/2” | 1/2” |
•Basic charge includes only the amount required for the condensing unit and the evaporating coil.
An additional amount should be added allowing 0.6oz per ft. for 3/8” [0.6g per cm] and 1.2oz per ft. for 1/2” [1.1g per cm] of lineset used.
†Factory charge is preset for 25’ [7.6 meters] lineset.
w w w. h e a t c o n t o l l e r. c o m | 17 |