Everwell MRTH, User And Installation Manual

Page: 25 / 29

INSTALLA TION MANUAL---Information for the installer
(1) Refer to the data rating label sticked on the outdoor unit.
TIGHTENING TORQUE FOR PROTECTION CAPS AND FLANGE CONNECTION
23
PIPE
1/4
( 6)
3/8
( 9.52)
1/2
( 12)
5/8
( 15.88)
TIGHTENING TORQUE
[N x m]
TIGHTENING TORQUE
[N x m]
CORRESPONDING STRESS
(using a 20 cm wrench)
15 - 20
31 - 35
35 - 45
75 - 80
Service port nut
Protection caps
7 - 9
25 - 30
wrist strength
arm strength
arm strength
arm strength
MODEL capacity (Btu/h)
5k 7k 9k 12k 15/18k 22/24k 28/30k/36k
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum dista nce between indoor and outdoor unit
Additional refrigerant charge
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
1/4
( 6)
3/8
( 9.52)
1/4
( 6)
1/4
( 6)
1/4
( 6)
1/4
( 6)
3/8
( 9.52)
3/8
( 9.52)
1/2
( 12)
1/2
( 12)
3/8
( 9.52)
3/8
( 9.52)
5/8
( 15.88)
5/8
( 15.88)
3m 3m 3m 3m 4m 4m 4m
15m 15m 15m 15m 15m 15m 15m
20g/m 20g/m 20g/m 20g/m 30g/m 30g/m 30g/m
5m 5m 5m 5m 5m 5m 5m
R22
MODEL capacity (Btu/h)
7k 9k 12k 15/18k 22/24k 28/30k/36k
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
1/4
( 6)
1/4
( 6)
1/4
( 6)
1/4
( 6)
3/8
( 9.52)
3/8
( 9.52)
1/2
( 12)
3/8
( 9.52)
3/8
( 9.52)
5/8
( 15.88)
5/8
( 15.88)
3m 3m 3m 4m 4m 4m
15m 15m 15m 15m 15m 15m
20g/m 20g/m 20g/m 30g/m 30g/m 30g/m
5m 5m 5m 5m 5m 5m
R410A R410A R410A R410A R410A R410A
MODEL capacity (Btu/h)
9k 12k
15/18k 22/24k
Liquid pipe diameter
Gas pipe diameter
Lenght of pipe with standard charge
Maximum distance between indoor and outdoor unit
Max. diff. in level between indoor and outdoor unit
Type of refrigerant(1)
1/4
( 6)
1/4
( 6)
1/4
( 6)
3/8
( 9.52)
3/8
( 9.52)
1/2
( 12)
3/8
( 9.52)
5/8
( 15.88)
3m 3m 4m 4m
15m 15m 15m 15m
20g/m 20g/m 30g/m 30g/m
5m 5m 5m 5m
INVERTER TYPE
3/8
( 9.52)
FIXED-SPEED TYPE
FIXED-SPEED TYPE
R22 R22 R22 R22 R22 R22
Additional refrigerant charge
Additional refrigerant charge
R410A R410A R410A R410A R410A
3m
15m
20g/m
5m
1/2
( 12)