Lennox FLEXY II Series User Manual

IOM – FLEXY II – 1007 – E Page 4
All FLEXY II Units are compliant with the PED directive 97-23/CE
The following note must be followed carefully
Al l w o r k o n th e u n i t mu s t b e carried out by a qualified and authorised employee.
Non-compliance with the following instructions may result in injury or serious accidents.
Work on the unit:
 The unit shall be is olated f rom t he electric al supply by disc onnect ion and lock ing us ing t he main is olat ing s witc h.
 Workers shall wear the appropriate personal protective equipment (helmet, glov es, glasses, etc.).
Work on the electrical system:
 Work on electric components shall be perf ormed with the power off by employees having v alid electrical qualification and
authorisation.
Work on the refrigerating circuit(s):
 Monit oring of t he pres s ures, draining and f illing of t h e sy st e m under p r es s u r e s h a l l b e c a r r i e d o u t u s i n g c o n n ec t i o ns p r ov i d e d
for this purpose and suitable equipment.
 To prev ent the risk of ex plos ion due to s praying of coolant and oil, the relevant circuit shall be drained and at zero
pressure before any disassembly or unbrazing of the ref rigerating parts takes place.
 There is a res idual risk of press ure build-up by degassing the oil or by heating the exchangers after the circuit has been
drained. Zero pressure shall be maintained by venting the drain connection to the atmosphere on the low pressure side.
 The brazing s hall be carried out by a qualif ied brazier. The brazing shall comply with standard NF EN1044 (minimum 30%
silver).
Replacing components:
 In order to maintain CE marking compliance, replacement of components shall be carried out using spare parts, or using
parts approved by Lennox.
 Only the coolant shown on the manuf acturer’s nameplate shall be used, to the exclusion of all other products (mix of
coolants, hydrocarbons, etc.).
CAUTION:
In the even t o f fi r e, r e f ri g er a t in g c ir c ui t s c an c au s e an e xp lo s io n a nd sp r a y c oo l an t g a s an d oi l.
TRANSPORT – HANDLING:
- Never lift the unit without forklift protections
- Remove the f orklift protection before installation
- An approach ramp must be installed if the unit’s installation requirements tell that it's necessary to reach the main switch.
This recomm endat ion is v alid f or ins t allations in general and in part ic ular f or ret urn and c urbs . It ’s als o v alid t o reac h other
parts of the unit: f ilters, refrigerant circuit, etc…
- It’s advised to fix curbs and roofcurbs to the unit
- Whatev er the supply configuration is, respect a minimal duct’s length of 2m before any elbow or any duct’s section change.
COM MIS SIONING:
- It must only be carried out by trained ref rigeration engineers.
- Don’t forget to open the insulation v alve on t h e l i q u i d l i n e b ef ore st a r t i n g t h e u n i t
FILTERS:
- Do the f ilters fire classification’s choice according to local regulations.
FANSTART:
- Any adjustment has to be done power stopped.
GAS:
- Any work on gas module must be carried out by qualified personnel
- A unit with gas module must be installed in accordance with local safety codes and regulations and can only be used in
planed installation conditions for outdoor.
- Bef ore c om m is s i o n i n g t h i s ty pe of unit , it’s mandatory to ensure that the gas distribution system is compatible with the
adjustment and settings of the unit.
IMPORTANT NOTICE
–
Safety instructions

Lennox FLEXY II Series Specifications

General

Brand	Lennox
Model	FLEXY II Series
Category	Air Conditioner
Language	English