2-3
IInnssttaallllaattiioonn
aanndd
O
Oppeerraattiioonn
Preparing and Installing Recovery Tank
The recovery tanks are shipped with a dry air charge. The
charge must be vented and the tanks evacuated before use.
Use the following procedure to evacuate the dry air from the
recovery tanks and install a tank for each refrigerant in
D
Duuaall
33441122
.
Do not use any tank with this equipment other
than part number EAA0157C00A for R-12 or
EAA0158C00A for R-134a. These tanks are D.O.T.
certified for refilling. D.O.T certified tanks are
marked "D.O.T. 4BA 350" or "D.O.T. 4BA 400".
Read, understand and follow
S
Saaffeettyy
IInnffoorrm
maattiioonn
in
the front of this manual.
Vent and evacuate tanks before first use.
Unprepared tank can cause compressor burnout.
3
3
3
3
The recovery tanks must have a minimum of 25 inHg
vacuum when evacuation is complete. If there is not
25 inHg vacuum, check connections and repeat the
procedure.
Tank Preparation
Follow this procedure to install new recovery tanks in
D
Duuaall
33441122
. New tanks are charged with dry air which must be
vented before using tank. This procedure may be used for both
tanks at the same time.
Wear safety goggles, user and bystander.
Cover blue hand valve port with shop towel to
help prevent debris from becoming projectiles.
Read, understand and follow
S
Saaffeettyy
IInnffoorrm
maattiioonn
in
the front of this manual.
1. Vent dry air by slowly opening blue hand valve on tank.
2. Gently set tank on scale with hand valves up, facing the
respective front of the unit.
3. Place elastic strap around each tank so that bottom of
strap is 2" above tank center weld.
Refer to Figure 2-2.
4. Slide temperature probe, extending from the cabinet,
between tank and strap.
Refer to Figure 2-2.
5. Connect end of yellow hose with hand valve and anti-
blowback valve to “Recycle” port on side panel.
Содержание Dual 3412
Страница 2: ...ii T Ta ab bl le e o of f C Co on nt te en nt ts s ...
Страница 8: ...viii U Us si in ng g t th hi is s M Ma an nu ua al l ...
Страница 14: ...VI S Sa af fe et ty y I In nf fo or rm ma at ti io on n ...
Страница 26: ...1 12 I In nt tr ro od du uc ct ti io on n ...
Страница 46: ...3 4 M Ma ai in nt te en na an nc ce e ...