Ecox EPTC, Руководство по установке, Страница: 13 / 20

13
NPTC / EPTC
CEILING AND FLOOR TYPE
6.35 0.25
5 ~ 7
7 ~ 9
9 ~ 11
11 ~ 13
13.5 ~ 16.5
Llave
hexagonal
Llave
hexagonal
Llave
hexagonal
11.5 ~ 13.9
18 ~ 22
23 ~ 27
35 ~ 40
9.52 0.37
12.7 0.50
15.9 0.63
19 0.70
orifice in the indoor unit 0.022kg/m
x
(L-5) 0.030kg/m
x
(L-5)
orifice in the outdoor unit 0.011 kg/m
x
(L-5) 0.015kg/m
x
L
orifice in the indoor unit 0.060kg/m
x
(L-5) 0.065kg/m
x
(L-5)
orifice in the ouldoor unit 0.030kg/m
x
(L-5) 0.030kg/m
x
L
orifice in the indoor unit 0.110kg/m
x
(L-5) 0.115kg/m
x
(L-5)
orifice in the outdoor unit 0.060kg/m
x
(L-5) 0.060kg/m
x
L
orifice in the indoor unit 0.170kg/m
x
(L-5) 0.190kg/m
x
(L-5)
orifice in the outdoor unit 0.085kg/m
x
(L-5) 0.095kg/m
x
L
orifice in the lndoor unit 0.250kg/m
x
(L-5) 0.290kg/m
x
(L-5)
orifice in the ouldoor unit 0.125kg/m
x
(L-5) 0.145kg/m
x
L
Manifold valve
Hi-lever
Charge hose
Charge hose
Vacuum pump
Lo-lever
Lo-lever
-76 cmHg
Closing stop valve
Remove the cap and tum the valve clockwise with the hexagon
wrench.
Securely tighten the valve until the shaft contacts the main
bodyseal.
Make sure to tighten the cap securely.
For the tightening torque, refer to the table below.
2
1
1
2
2
3
4
5
6
7
Always use a charge hose for service port connection.
After tightening the cap, check that no refrigerant leaks a represent.
service port
maintenance nut
cap
hexagon hole
shaft seal
Using the vacuum pump
Loosen and remove the maintenance nuts of stop valves A and
B, and connect the charge hose of the marufold valve to the
service port of stop valve A. (Be sure that stop valves A and B
are both closed).
Connect the joint of the charge hose with the vacuum pump.
Open the Lo-lever of the manifold value completely
Tum on the vacuum pump. At the beginning of pumping,
loosen the maintenance nut of stop valve B a little to check
whether the air comes in (the sound of the pump changes,
and the indicator of compound meter turns below zero). Then
fasten the maintenance nut.
When the pumping has finished, close the Lo-lever of the
manifold valve completely and turn off the vacuum pump.
Make pumping for 15 minutes or more and check that the
compound meter indicates -76cmHg(-1X10ºPa).
Loosen and remove the cap of stop valves A and B to open stop
valve A and B completely, then fasten the cap.
Disassemble the charge hose from the service port of stop valve
A, and fasten the nut.
Outdoor unit
Stop valve
Gas side
Liquid side
Indoor unit
B
D
C A
Refrigerant cannot be charged until field wiring has been completed.
Refrigerant may only be charged after performing the leak test and
the vacuum pumping.
When charging a system, care shall be taken that its maximum
permissible charge is never exceeded, in view of the danger of
liquid hammer.
Charging with an unsuitable substance may cause explosions
and accidents, so always ensure that the appropriate refrigerant
is charged.
Refrigerant containers shall be opened slowly.
Always use protective gloves and protect your eyes when charging
refrigerant.
The outdoor unit is factory charged with refrigerant. Calculate
the added refrigerant according to the diameter and the
length of the liquid side pipe of the outdoor unit/indoor unit
connection. (Suitable for throttle outdoor unit).
7.2 ADDITIONAL REFRIGERANT CHARGE
FIG. 7-7
FIG. 7-8
FIG. 7-9
NOTE: The table above refer to the liquid tube.
NOTE:
The number of bends is up to the length of the max height drop. Usually
for each 1Om need a bend.
If a negative result is gotten for R from Table 7-4, no refrigerant
needs to be added nor removed.
Additional refrigerant will be twice of R from Table 7-4 if the
indoor unit installed throttle assembly.
TABLE 7-4
Liquid tube (mm)
R22 R410A
NOTE
Install the drainpipe of the indoor unit
The outlet has PTI screw bread. Please use sealing materials and
pipe sheath (fitting) when connecting PVC pipes.
CONNECT THE DRAIN PIPE 8
TABLE 7-3
Stop valve size Shaft (valve body) Cap (Valve lid) Maintanence nut
Tightening torque N•M (Turn clockwise to close)
CAUTION
CAUTION
6.35 0.25
9.52 0.37
12.7 0.50
15.9 0.63
19 0.75