7
POSSIBLE REFRIGERANT LEAK
To avoid a possible refrigerant leak, open the service
valves until the top of the stem is 1/8” from the retainer.
CAUTION
NOTICE
REFRIGERANT MUST BE ADDED TO THE SYSTEM AFTER
EVACUATION IS COMPLETE.
REFRIGERANT UNDER PRESSURE!
• Do not overcharge system with refrigerant.
• Do not operate unit in a vacuum or at negative pres-
sure.
Failure to follow proper procedures may cause
property damage, personal injury or death.
WARNING
1. Add refrigerant amount for the unit being installed.
See
unit rating plate for initial charge.
2. Set thermostat to call for cooling. Check indoor and out-
door fan operation and allow system to stabilize for 10
minutes for fixed orifices and 20 minutes for expansion
valves.
Drybulb
Wetbulb
Drybulb
Wetbulb
Drybulb
Wetbulb
Drybulb
Wetbulb
Drybulb
Wetbulb
65º
54º
70º
58º
75º
63º
80º
67º
85º
71º
115
100
95
90
85
80
75
70
65
60
NOTE: * Ch arge 5° super heat, all other could be ± 2°F
SYSTEM SUPERHEAT
Return Air Temperature ( 50%RH )
5
Ambient Cond enser
Inlet Temperature
( °F Drybulb )
6
---
---
---
---
---
---
---
5
9
---
---
5
10
11
---
---
5
5
*
17
5
5
5
18
20
---
5
5
12
22
5
6
15
24
25
5
5
10
20
29
8
15
21
28
31
5
10
20
25
Charge Verification
REFRIGERANT UNDER PRESSURE!
• Do not overcharge system with refrigerant.
• Do not operate unit in a vacuum or at negative pres-
sure.
Failure to follow proper procedures may cause
property damage, personal injury or death.
WARNING
Use refrigerant certified to
standards. Use of used
refrigerant may cause compressor damage that is not
covered under warranty. Most portable machines cannot
clean used refrigerant to meet
standards.
AHRI
AHRI
CAUTION
NOTICE
VIOLATION OF EPA REGULATIONS MAY RESULT IN
FINES OR OTHER PENALTIES
Operating the compressor with the suction valve closed
may cause serious compressor damage.
CAUTION
Final Charge Adjustment
The outdoor temperature must be 60°F or higher. Set the room
thermostat to COOL, fan switch to AUTO, and set the tem-
perature control well below room temperature.
After system has stabilized per startup instructions, check
subcooling and superheat as detailed in the following section.
Содержание CONDENSING UNIT
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