8
FOX - user and service manual
ENGLISH
3.4 Connecting MultiRef to the system
Connect the blue hose to the LOW connection
Connect the red hose to the HIGH connection
Connect the 2 yellow hoses to the VAC and REF connections
3.5 Vacuum cycle
IMPORTANT
Before using the instrument, make sure you have evacuated the hoses and all the inside
circuit properly with a vacuum cycle of at least 5 minutes (in order to make a vacuum, we
suggest the use of a Wigam vacuum pump, model RS3D or a bigger one)
3.6 Refrigerant selection
Press the
and keys at the same time; when you release them, the latest refrigerant
used will appear on the display
Select the refrigerant type by means of thef
and keys.
If a Non Azeotropic refrigerant is selected, move to the Liq. – Vap. ranges by means of the
or keys and modify the value by means of and .
After the selection, you can confirm with the
central key.
List of available refrigerants
1 R134a 16 R14 31 R227 46 R422a
2 R407C 17 R21 32 R236ea 47 R422b
3 R410A 18 R23 33 R236fa 48 R422d
4 R404A 19 R32 34 R245ca 49 R423a
5 R507 20 R41 35 R245fa 50 R424a
6 R152a 21 R113 36 R318c 51 R427a
7 R290 (Propane) 22 R114 37 R365m 52 R428a
8 R600a (Isobutane) 23 R115 38 R401a 53 R434a
9 R11 24 R123 39 R401b 54 R437a
10 R12 25 R124 40 R402a 55 R438a
11 R22 26 R125 41 R402b 56 R508b
12 R502 27 R141b 42 R408a 57 R744(CO
2
)
13 1234yf 28 R142b 43 R409A 58 R717 (Ammoniaca)
14 R13 29 R143a 44 R413a
15 R13B1 30 R218 45 R417a
MultiRef version with R717 (Ammonia) is available on request
3.7 Unit of measurement selection
a Press the
and keys at the same time; when you release them, the pressure unit of
measurement will blink on the display.
b Select the pressure unit of measurement (MPa – bar – psi) by means of the
and
keys.
c Move to the temperature unit of measurement (°C - °F ) by means of the
or keys
and modify the value by means of
and .
d Confirm the effected modification pressing the
central key.
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