REFRIGERANT RECOVERY UNIT 104306 OPERATING MANUAL
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
REFRIGERANT RECOVERY UNIT
104306OPERATING MANUAL
TABLE OF CONTENT
GENERAL SAFETY GUIDELINES 1
4
5
6
7
10
11
13
15
SPECIFICATIONS
PARTS DIAGRAM AND PARTS LIST
WIRING DIAGRAMS
STANDARD LIQUID/VAPOR RECOVERY METHOD
SELF-PURGING METHOD
LIQUID PUSH/PULL METHOD
TROUBLE SHOOTING
RECOVERY TANK COOLING METHOD
1 GENERAL SAFETY GUIDELINES
1 2
1. Read all safety, operating guidelines and instructions before operating
this unit.
2. Only a qualified technician should operate this recovery unit.
3. Always wear safety goggles and protective gloves when working with
refrigerants to protect your skin and eyes from refrigerant gases or
liquid. Avoid contact with refrigerant.
4. Do not expose the equipment the sun or rain.
5. Be sure that any room where you are working is thoroughly ventilated.
6. Use ONLY authorized refillable refrigerant tanks. The max working
pressure of the recovery tanks must be over 400psi.
7. Do not overfill the recovery tank. Tank is full at 80% volume. There
should be enough space for liquid expansion. Overfilling may cause a
explosion.
8. Do not exceed the working pressure of recovery tank cylinder.
9. Do not mix different refrigerants together in one tank.
10. Before recovering the refrigerant, the tank should achieve the vacuum
level: -14.5psi, which is for purging non-condensable gases.
11. When the unit is not used, all the valves must be closed, while the input
and output fittings should be covered with protective caps, since the
air or moisture may affect the recovery result and shorten the service life
of the unit.
12. When using an extension cord, it should be a 14AWG minimum and no
longer than 98.4 feet, or it may cause a the voltage drop and damage the
compressor.
13. A filter drier should always be used and replaced frequently. Each type
of refrigerant must have its own filter. To ensure the normal operation
of the unit, please use the filter specified by our company. High quality
filter driers will bring high performance.
14. Special care should be taken when recovering from a “burned-out”
system. Use two high acid capacity filters, in series. When the recovery
process is complete, flush unit with a small amount of clean refrigerant
and refrigerant oil to purge off the foreign substances left in the unit.
15. The unit has an Internal High Pressure Shut-Off Switch. If the pressure
inside the system is above 558.25psi, the unit will automatically shut off
and the Red Alarm Light turns on (item 8 on the parts diagram). Before
you restart the unit, determine the cause for high pressure. After you
have determined the cause and made corrections reduce the internal
pressure until the Red Alarm Light turns off. Press the start button
(item 7 on the parts diagram) to restart the compressor. When the system
is at high pressure protection, find out the cause; solve the problem before
you restart the system.
-Solution for possible cause for High Pressure Shut-Off：
1) Open the output valve of the unit.
2) Open the input valve of the recovery tank.
3) Check if the hose connected between the unit and the recovery tank
for blockage. If yes, please close the output valve of the unit and the
input valve of the recovery tank and replace the hose.
4) Cool down the recovery tank which is at high temperature or high
pressure (Please refer to the procedure recovery tank cooling method
on Page 13).
16. Make sure the power supply is off when self-purging.
17. The unit has an Internal Low Pressure Shut-Off Switch. If the pressure
inside the system is below -2.45~-6.86psi, the unit will automatically shut
off and the Green Complete Light turns on (item 8 on parts diagram).
Before restarting the compressor, please increase the input pressure to
3 4
2 above 11.35lbs/in and press the start button (item 7 on the parts diagram).
18. If this unit is designed for recovery tank with float level sensor, the 80%
O.F. P Float Cable (item 12 on the parts diagram) must be connected
with the recovery tank before the unit starts. While in operation, if the
weight of recovered liquid refrigerant reaches 80% capacity of the tank,
the unit will automatically stop running and the Red Alarm Light turns
on (80% O.F.P ALARM- item 7 on the parts diagram). Exchange the
full tank with an empty tank and then press the Start Button (RESTART- item
7 on the parts diagram).
19. If the recovery tank is not equipped with the level sensor, please disconnect
the 80% O.F.P Float Cable, otherwise the system will not start.
20. If the tank pressure exceeds 304.5psi, use the Recovery Tank Cooling
Method to reduce the pressure. (Please refer to the Recovery Tank Cooling
Method in Page 13)
21. To maximize recovery rate, use the shortest possible length of 3/8”or
larger hose. A hose no longer than 2.95 feet is recommended.
22. While recovering large amounts of liquid, use the Liquid Push/Pull
Method. (Please refer to Liquid Push/Pull Method on page 11)
23. After recovery process is completed, make sure there’s no refrigerant
left in the unit. Read the Self-Purging Method carefully. Liquid refrigerant
remained may expanded and destroy the components.
24. If the unit is to be stored or not used for a long time, we recommend that
it is completely evacuated of any residual refrigerant and purged with
dry nitrogen.
25. We suggest using connection hoses with check valve, which will prevent
refrigerant loss.
2 SPECIFICATIONS
0℉-104℉
19.68in(L)×9.84in(W)×13.97in(H)
35.2lbs
Category III Category IV Category V
Refrigerants
Power Supply
Motor
RecoveryRate Liquid
Push/Pull
Operating Temperature
Dimensions
Net Weight
Category III: R-12 R-134a R-401C R-406A
R-500
, , , ,
Category IV: R-22 R-401A, R-401B, R-402B,
R-407C, R-407D, R-408A,
R-409A, R-411A, R-411B,
R-412A, R-502, R-509
,
Category V R-402A R-404A R-407A
R-407B, R-410A, R-507
: , , ,
10A
Oil-less, Air-Cool, Piston
558psi
110-120VAC 60Hz
1/2HP
1750RPM
0.52lbs/min
3.54lbs/min
10.23lbs/min
0.56lbs/min
4.02lbs/min
12.25lbs/min
0.57lbs/min
4.18lbs/min
13.75lbs/min
Motor speed
Max. Current Draw
Compressor Type
High pressure Shut-Off
Vapor
* 80% O.F.P: 80% Overfilling Protection
5
4 WIRING DIAGRAM
6
XS G
N
FR
SA
SR
C1
C2
STK
1T
C
12V
DC
V
M1
K2
SP
1
SB
K2
K5
K3 K4
K4
K2
K5
K3
K5
HL
1H
L2
SP
2
K4 K1
K3 X
s1X
P
Wca
ble
80%
O.F
.P
SL
GN
PARTS DIAGRAM AND PARTS LIST3
ITEM DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ITEM DESCRIPTION
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
67
89
1011
12
13 14 15 16 17 18
1920
2122
2324
2526272829303132
BELT
PIN
PLASTIC CASE
OUTPUT GAUGE
START BUTTON / 80% O.F.P ALARM LIGHT
KNOB
CIRCUIT BREAKER
POWER SWITCH
FLOAT CABLE
POWER SUPPLY CORD
POWER SOCKET
FLOAT CABLE SOCKET
RUBBER STOPPER
FRONT PANEL
INPUT GAUGE
HIGH/LOW PRESSURE ALARM LIGHT
FILTER
1/4″HOSE
BASE
RUBBER FOOT
BACK PANEL
AXIAL FAN
CONDENSER
CAPACITOR
CIRCUIT PLATE
ELECTRONIC TRANSFORMER
CAPACITOR COVER
COMPRESSOR
COPPER HOSES
HIGH PRESSURE SWITCH
CONTROL VALVE
LOW PRESSURE SWITCH
ITE
MD
ES
CR
IPT
ION
CO
DE
XS
SA
FR
M1
M2
K1
K2
-K5
SR C1
C2
TC
SP
1
SP
2
SL
SB
1
HL
2
HL
1
XS
A
XP
W ST V
1 2 3 4 5 6 7 8 9 10 11 12
13
14
15
16
17
18
19
20 21
22
MO
DE
LR
EM
AR
K
PS
T-1
01
S
R2
10
-C5
N-B
BA
A 2
0A
ZE
-80
0 1
5A
MP
10
0V
/50
-60
Hz
1H
P
XF
15
51
AB
HL
11
5F
-T-1
HS
3-1
2V
DC
11
5F
-2Z
S4
-12
VD
CL
20
-20
4
35
0u
F/1
25
VA
C
70
uF
/20
0V
AC
GF
P0
51
DA
-12
05
H2
0P
S 3
.0M
ap
YK
-03
L 8
inH
g 6
PS
I
Sw
itch
in
reco
ver
y ta
nk
insi
de
Bu
tto
n an
d In
dic
ato
r li
gh
t in
teg
rate
AD
56
-16
SS
CK
-6.3
5-3
0
SG
B0
38
yel
low
nes
s
8A
M4
1N
40
07
Po
wer
ou
tlet
Ro
cker
Sw
itch
esO
ver
load
pro
tect
ion
dev
ice
Co
mp
ress
or
Mo
tor
Ax
ial
Fan
Rel
ay
Rel
ay
Cen
trif
ug
al S
wit
ch
Sta
rt C
apac
ito
rR
un
nin
g C
apac
ito
r
Ele
ctro
nic
Tra
nsf
orm
erH
igh
Pre
ssu
re S
wit
chg
ear
Lo
w P
ress
ure
Sw
itch
80
% O
.F.P
Sw
itch
Sta
rt B
utt
on
80
% O
.F.P
pro
tect
ion
ind
icat
or
Hig
h an
d lo
w p
ress
ure
pro
tect
ion
ind
icat
or
lig
ht
Flo
at c
able
so
cket
Plu
g 6
.35
Flo
at c
able
Mo
tor
ther
mal
pro
tect
ors
Dio
de
LA
Y5
0-1
6-D
12
V
7
5 STANDARD LIQUID/VAPOR RECOVERY METHOD
Input
Manifold gauge set
Vapor
HVAC System
Liquid
Scale
Output
VaporLiquid
Filter
Recovery Tank
RefrigerantRecovery Machine
80% O.F.P
Open OpenLiquid
PurgeClose
Recover
Purge
Green-complete
Red-High PressureAlarm
80% O.F.PAlarmRestart
1. Turn the Input Valve to “Close” position; make sure Recover/Purge Valve
is on “Recover” position and Output Valve on “Close” position.
2. Connect hoses; make sure all connections are correct and tight.
3. Turn the Output Valve to “Open” position.
4. Open the Liquid Valve of the refrigerant tank; and open the liquid ports
on the manifold gauge sets.
5. Connect the system to a 120 Volt power supply and turn on the power
switch.
6. Turn the Input Valve to “Liquid” position.
7. Press the Start Button (RESTART- item 7 on the parts diagram) to start
the system (Make sure the Low Pressure is still below 239.3psi), then
recover liquid refrigerant.
CAUTION: 1) If the compressor starts to knock, slowly throttle back
the input valve until the knocking stops.
2) If the system stops while recovering liquid refrigerant
for some reason, and the Input Valve is not closed instantly,
the system may not restart. In this case, follow the operations
below:
Set Power Switch to “Off” position, and then turn the
Input Valve to “Close” position, close the Check Valve
on the connecting hose between the input fitting and
manifold gauge. Open the Input Valve slowly to decrease
the pressure. Close the Input Valve of the system when
the reading on the low pressure gauge is below 239.3psi.
Reconnect the input fitting and the manifold gauge; open
the check valve on the connecting hose. Set Power Switch
to “On” position and begin the recovery process.
8. When liquid refrigerant recovery is completed, open the input valve and
the vapor port on the manifold gauge to complete the vapor recovery
process.
8
9 10
9. Keep the unit running until the desired vacuum is achieved or the unit
is under low pressure protection and shuts off automatically. When
recovery is completed, turn to the procedure of SELF-PURGE (Refer
to the SELF-PURGE METHOD below).
1) Close the vapor and liquid ports of the manifold gauge sets.
2) Close the HVAC ports connected with the manifold gauge sets.
CAUTION: Always purge the unit after using. Failure to purge the
remained refrigerant from the unit could result in the
acidic degradation of internal components and ultimately
cause premature failure of the unit.
Open Open
Liquid
PurgeClose
Recover
Purge
Green-complete
Red-High PressureAlarm
80% O.F.PAlarmRestart
6 SELF-PURGING METHOD
Procedure for purging remained refrigerant from this unit
1. Turn the Input Valve to “CLOSE” position (output valve and recovery
tank valve are open)
2. Turn the Recover/Purge valve to “PURGE” position.
3. Connect hoses, and make sure all connections are correct and tight.
(Same as the Recovery Mode)
4. Switch the power switch to the “ON” position, then press the start button
(RESTART- item 7 on the parts diagram) to start the system.
5. Turn the Input Valve to “PURGE” position slowly. Keep the unit running
until the desired vacuum is achieved or the unit shuts off automatically
at the low pressure protection.
6. Close the valve of the tank.
7. Switch the power switch to the “OFF” position, disconnect and store all
hoses and filter drier.
8. Turn the Recover/Purge valve to “RECOVER” position, and the Input
Valve and Output Valve to “CLOSE” position.
9. Screw the protective caps on the input and output fittings.
11 12
5. Open the vapor valve and liquid valve of the recovery tank.
6. Set the Output Valve to “OPEN” position, and then set the Input Valve to
“OPEN” position to start the liquid refrigerant recovery.
7. The next step is to recover vapor refrigerant. (Reconnect hoses, and refer
to the STANDARD LIQUID/VAPOR RECOVERY METHOD)
8. Close the vapor valve of the recovery tank, and switch the power switch
to the “OFF” position.
9. Close all the valves and disconnect the external hoses. Reconnect the
hoses according to the STANDARD LIQUID/VAPOR RECOVERY
METHOD, and recover the vapor refrigerant.
10. PURGE.
CAUTION: When the scale rises to 80% capacity of the recovery tank,
Switch the power switch to the “OFF” position and close
all the input valves and output valves immediately.
7 LIQUID PUSH/PULL METHOD
Input
VaporVapor
HVAC System
Liquid
Liquid
Scale
OutputFilter
Recovery Tank
RefrigerantRecoveryMachine
80% O.F.P
Push/Pull method only works with large systems where the liquid
refrigerant is under 22lbs.
CAUTION: While using the “push/pull” method, a scale must be used
to avoid over filling the recovery tank. Once the siphon is
started, it can overfill the recovery tank even if the tank
is equipped with a float level sensor. The siphon can continue
even if the machine was turned off. You must manually close
the valves on the tank and the unit to prevent overfilling
of the recovery tank.
1. The Input Valve and Output Valve are closed.
2. Make sure that the “Recover/Purge Valve” is on “RECOVER” position.
3. Connect the hoses, and make sure all connections are correct and tight.
(Refer to the following illustration).
4. Switch the power switch to the “ON” position and press the Start Button
(RESTART- item 7 on the parts diagram) to start the system.
8
OutputLiquid
Input
Vapor
Filter
Recovery Tank
RefrigerantRecoveryMachine
RECOVERY TANK COOLING METHOD
Pre-work Cooling Procedure
1. Make sure there's enough liquid refrigerant in the tank. (More than 1.1lbs)
2. Connect hoses, and make sure all connections are correct and tight.
(Refer to the following illustration).
3. Make sure both the Input Valve and Output Valve is closed.
4. Make sure the “Recover/Purge Valve” is on “RECOVER” position.
5. Turn on the power, press the Start Button (RESTART- item 7 on the parts
diagram) to start the system.
6. Open the vapor and liquid valve of the recovery tank.
7. Turn the Output Valve to “OPEN”, and then turn the Input Valve to “OPEN”.
8. Throttle the output valve of the unit so that the output pressure is 101.5psi
higher than the input pressure, but the difference never over 304.5psi.
9. Run until tank is cold.
Tank Cooling Procedure in the recovering process
1. Connect hosed, and make sure all connections are correct and tight.
(Refer to the connection below)
2. Close the valves on the manifold gauge.
3. Follow the step 6,7,8,9 of the Pre-work Cooling Operation, not continue
to recover until the tank is cold.
HVAC System
Liquid
Vapor
Vapor
Manifold gauge set
Input
Output
Liquid
Filter
RefrigerantRecovery Machine
80% O.F.P
Recovery Tank
13 14
9 TROUBLE SHOOTING
PROBLEM CAUSE ACTION
Compressor will not
start
Compressor starts but
cuts off within a few
minutes
Recovery process too
slow
Unit doesn’t pull out a
vacuum
Power supply cord not attachedIncorrect voltage
The circuit breaker has tripped
The unit is in high pressureshut off (Red alarm light turnson)
The unit is in low pressureshut off (Green alarm lightturns on)
The 80% O.F.P Float Cable isnot well connected with therecovery tank (Red alarm lightturns on)
Press the button to restart
Input refrigerant and then pressthe start button to restart thecompressor
Check and connect the FloatCable properly
High pressure shuts off due towrong operation, such asoutput valves of the unitrecovery tank are not open
Thermal protectordisconnected, but the axialfan still running
The recovery tank is full at80% capacity
Recovery is over and the unitis under low pressureprotection
The compressor will restartautomatically after the motor iscompletely cooled
Replace with an empty recovery tank and press the start button tostart the compressor
Refer to step 9 of STANDARDLIQUID/VAPOR RECOVERYMETHOD, then proceed withself-purging operation
Pressure inside the recoverytank is too high
Compressor seals are worn
Connecting hoses are loose
Leakage in the unit
Reduce tank temperature withRecovery Tank Cooling Method.See Page 14.
Factory service required
Tighten the hose connections
Factory service required
Read carefully this operationmanual and follow the instructions,and then press the High PressureSwitch to reset the unit
15
Switch the power switch to the“OFF” position, reduce pressureand then press the Start Button
, thenswitch the power switch to the“ON” position
(item 7 on the parts diagram)
Attache the power supply cordCheck the power supply
Related Documents
![DJRNEHVdUtWpVHD] HUMHGpVLSDUEDQ€¦ · vc=v g ÜZ » ¼ º « ¬ ª s d R n m Z d g v k k s k k c K 9 9 S K 9 9 18 ( ) (2 ) 18 2 ( ) 2 A centrifugatípusok m d ködési elve és](https://static.cupdf.com/doc/110x72/5f5f9d79aaefd9318e2b64b2/djrnehvdutwpvhd-humhgpvlsduedq-vcv-g-oez-s-d-r-n-m-z-d-g-v-k.jpg)