Refrigerant Piping Connection; Electrical Work - Zibro SM 18 113 Installationshandbuch

instal_SM18113.qxd 29-02-2008

REFRIGERANT PIPING CONNECTION

ATTENTION
• Excessive torque can break nut depending on installation conditions.
• All refrigerant work and refrigerant piping should comply with the local legislation, standards
and codes and should only be done by qualified and skilled engineers.
• Select the correct tightening torque (shown table 1) in order to prevent the pipes, connecting pieces
and nuts from being damaged.
Outer
diam.
Ø 6.35
Ø 9.53
Ø 12.7
Table 1: tightening torque

ELECTRICAL WORK

Electric safety regulations for the initial Installation
1. In case of an unsafe (electrical, mechanical and/or refrigerant etc) situation do not install the aircon-
ditioner.
2. Power voltage supplied should be in the range of 95%~105% of rated voltage on rating table.
3. A creepage protector and a main power switch with a 1.5 times capacity of max. current of the unit
should be installed in power circuit.
4. Ensure the air conditioner is grounded well.
5. Connect the wires according the attached electrical connection diagram located on the panel of the
outdoor unit.
6. All wiring must comply with local and national electrical standards and codes and be installed by qua-
lified and skilled electricians.
7. An individual branch circuit and single receptacle used only for this air conditioner must be available.
See the following table for suggested wire sizes and fuse specifications:
4
60
09:04 Pagina 60
Seal Drain joint
Base pan hole of
outdoor unit
Fig. 13
Tightening torque Additional tightening
(N.cm) torque (N.cm)
1570
(160kgf.cm) (200kgf.cm)
2940
(300kgf.cm) (350kgf.cm)
3500
(400kgf.cm). (450kgf.cm)
Seal
Drain pipe
1960
3430
4410