CPS Products BLACKMAX MD100 Series Manual del usuario - Página 17

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CHARGING PROCEDURE - HIGH SIDE

High Side Charging should be done on a completely evacuated system.
MD50 2 Valve Manifold [FIG.26]
1.) A scale should be used to weigh in the charge. Place tank on scale so liquid refrigerant is supplied.
2.) Open Supply tank valve to fill manifold with liquid refrigerant.
3.) Set scale to record charge amount.
4.) Open High Side Valve (B). Monitor weight reading.
5.) Once desired charge amount has been reached, close High Side Valve (B) and supply tank valve.
6.) Start refrigeration system. Open Low Side valve (A) to allow all remaining refrigerant in manifold and
service hoses to charge into system.
7.) Close Low Side Valve (A).
8.) Monitor Low and High Side pressures. Superheat and subcooling features of manifold can be used at this time.
9.) Disconnect service hoses from equipment. Use Caution as all hoses are under pressure.
Once charge is complete, an electronic refrigerant leak detector should be used to confirm leaks do not exist.
APPENDIX A (MANIFOLD SPECIFICATIONS)
High side pressure range
Low side pressure range
Pressure reading accuracy
Pressure reading resolution
High and low side burst pressure
High side temperature range
Low side temperature range
Temperature reading accuracy
Vacuum indication accuracy
SH, SC and saturation temperature accuracy
Instrument working temperature
Instrument working RH range
Total number of stored refrigerants
APO (Automatic Power Off)
MD100 size (L x H x W)
MD50 size (L x H x W)
MD100 weight
MD50 weight
Backlight full ON:
Display Life (Using 4 industrial
alkaline AA batteries (included)
Backlight full OFF:
Backlight full ON:
Display Life Using 4 Rechargeable
NiMH AA batteries (not included):
Backlight full OFF:
APPENDIX B (MDXVG VACUUM GAUGE ACCESSORY SPECIFICATIONS)
Self - heated thermistor bridge with integral temperature compensation from
Sensor Type
0 to 50 °C (32 to 122 °F).
0 to 99 microns
100 to 990 microns
Display Pressure Range
1000 to 9900 microns
10000 to 25000 microns 50 micron resolution
above 25000 microns
Accuracy
+/- 10% of reading or +/- 10 microns, whichever is greater
Compensated (accuracy as stated): 0°C TO 50°C (32°F TO 122°F)
Operating Temperature Range
Non-compensated (add +/- 0.5% of reading error for every °C outside
compensated range): -10 to 0°C (14 to 32°F)
Operating and Storage Humidity 0 to 95%, non-condensing
Storage Temperature
-40 to 85°C (-40 to 185°F)
GlobalTestSupply
www.
MD100 4 Valve Manifold [FIG.27]
7.) Close Low Side Valve (A) and Valve (C).
-14.7 to 800.0 PSIG (-1.0 to 55 bar)
-14.7 to 800.0 PSIG (-1.0 to 55 bar)
+/- 1% of reading or +/- 0.5 PSIG (+/- 0.05 bar)
0.5 PSIG (0.05 bar)
1500.0 PSIG (103.4 bar)
-58.0 °F to 302 °F (-50 °C to 150°C)
-58.0 °F to 302 °F (-50 °C to 150°C)
+/- 0.36 °F (+/- 0.2°C)
+/- 10 microns (requires MDXVG accessory)
+/- 0.5°F (+/- 0.3°C)
-4.0 °F to 122°F (-20°C to 50°C)
0% to 100% non-condensing
93
10 minutes. Can be disabled by user.
8.1" x 3.5" x 7.0" (20.5 cm x 8.9 cm x 17.8cm)
8.1" x 2.5" x 7.0" (20.5 cm x 6.4 cm x 17.8cm)
3.3 lb. (1.5 kg)
3.0 lb. (1.4 kg)
25+ hrs. continuous duty
60+ hrs. continuous duty
20+ hrs. continuous duty from full charge
50+ hrs. continuous duty from full charge
AUTO-RANGING SCALES:
1 micron resolution
10 micron resolution
20 micron resolution
Will display low side pressure reading, in
selected unit.
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