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Summary of Contents for Lennox COMFORT
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Page 1: Installation Manual
Installation manual COMFORT - Sizes 12-48 Providing indoor climate comfort COMFORT-IOM-0106-E... -
Page 3: Table Of Contents
CONTENT 1. PRECAUTIONS ..................2 2. INSTALLATION INFORMATION ............... 3 3. ATTACHED FITTINGS................4 4. INSTALLATION PLACE ................5 5. INDOOR UNIT INSTALLATION..............6 6. OUTDOOR UNIT INSTALLATION............12 7. INSTALL THE CONNECTING PIPE ............13 8. CONNECT THE DRAIN PIPE ..............16 9. -
Page 4: Precautions
1. PRECAUTIONS SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electric components. Only trained and qualified service personnel should install, repair or service air conditioning equipment. All other operations should be performed by trained service personnel. When working on air conditioning equipment, observe precautions in the literature, tags and labels attached to the unit and other safety precautions that may apply. -
Page 5: Installation Information
NOTE Remark per EMC Directive 89/336/EEC For to prevent flicker impressions during the start of the compressor (technical process), following installation conditions do apply. 1. The power connection for the air conditioner has to be done at the main power distribution. The distribution has to be of a low impedance, normally the required impedance reaches at a 32 A fusing point. -
Page 6: Attached Fittings
3. ATTACHED FITTINGS Please check whether the following fittings are of full scope. If there are some attached fittings free from use, please restore them carefully. Installation Fittings Tubing & Fittings 1. Expansible hook......... 4 5. Connecting pipe group .......1 6. -
Page 7: Installation Place
4. INSTALLATION PLACE CAUTION Location in the following places may cause malfunction of the machine. (If unavoidable, please consult your local dealer) a. There is petrolatum existing. b. There is salty air surrounding (near the coast). c. There is caustic gas (the sulfide, for example) existing in the air (near a hot spring). d. -
Page 8: Indoor Unit Installation
5. INDOOR UNIT INSTALLATION 1. Installation place • A place where there is enough room for installation and maintenance.(Refer to Chart 1) • The ceiling is structurally sound to hold the Indoor Unit. • A place that is well ventilated and the influence of weather is the least. •... - Page 9 The length could be calculated from Chart5: Length = 210+L (in general, L is half of the whole length of the installation hook) c. Please adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body.
- Page 10 (2) Install The Panel Cautions: Never put the panel face down on floor or against the wall, or on bulgy objects. Never crash or strike it. Remove the inlet grid. a. Slide two grid switches toward the middle at the same time, and then pull them up. (Refer to chart 9) b.
- Page 11 4) Relocate the air-in grid in the procedure of reversed order, install the air-in grid. 3. Indoor unit installation Model 18-24, 30-36-48 (1) Install the main body A. The existing ceiling (to be horizontal) a. Please cut a quadrangular hole of 880X880mm in the ceiling according to the shape of the installation paper board.
- Page 12 Adjust the position to ensure the gaps between the body and the four sides of ceiling are even.The body's lower part should sink into the ceiling for 10~12mm (Refer to chart5). Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position well. B.
- Page 13 Malfunction described in Chart 13 can be caused by inappropriate tightness the screw. If the gap between the panel and ceiling still exists after fastening the screws, the height of the indoor unit should be modified again. (Refer to chart 14-left) You can modify the height of the indoor unit through the openings on the panel's four corners, if the lift of the indoor unit and the drainpipe is not...
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Page 14: Outdoor Unit Installation
6. OUTDOOR UNIT INSTALLATION CAUTION • Keep this unit away from direct radiation of the sun or other heaters. • If unavoidable, please cover it with a shelter. • In places near coast or with a high attitude where the wind is violent, please install the outdoor unit against the wall to ensure normal performance. -
Page 15: Install The Connecting Pipe
7. INSTALL THE CONNECTING PIPE (1) Maximum pipe length Model Max. Length Max. Elevation (12-18)/(24-48) 25/30m 15/20m (2) Piping sizes Model Liquid (mm/inch) Gas (mm/inch) 6.35 (1/4) 12.7 (1/2) 12-18 24/30 9.52 (3/8) 16.0 (5/8) 36-48 12.7 (1/2) 19.0 (3/4) CAUTIONS •... - Page 16 Bend the connecting pipe of small wall thickness (Φ 9.53 mm) • Cut out a desired concave at the bending part of the insulating pipe. • Then expose the pipe (cover it with tapes after bending). • To prevent collapsing or deforming, please bend the pipe at its biggest radius. •...
- Page 17 Expel the air with a vacuum pump (Refer to Chart 25) (Please refer to its manual for the way of using manifold value.) 1. Loosen and remove the maintenance nuts of stop values A and B, and connect the charge hose of the manifold value with the maintenance terminator of stop value A.
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Page 18: Connect The Drain Pipe
8. CONNECT THE DRAIN PIPE 1. Install the drainpipe of the indoor unit • You can use a polyethylene tube as the drainpipe (out-dia.37-39mm, in-dia.32mm). It could be bought at local market or from your dealer. • Set the mouth of the drainpipe onto the root of the body's pump-pipe, and clip the drainpipe and the out-let pipe sheath (fittings) together firmly with the out-let pipe clasp (fitting). -
Page 19: Installation Of Flange And Duct
CAUTIONS: If there is any malfunction, please resolve it immediately. 3) Stop the air conditioner, turn off the power, and reset the test cover to its original position. • The drain plug is used to empty the water-receiver for maintenance of the air conditioner. Please stuff it imposition at all times during operation to avoid leakage. - Page 20 For different type of indoor units, the installation methods are different and the position of holes are different. 1. Removal the hole on the board. Installation Type 1 Installation Type 2 The hole is oppose to drainage pipe The hole is oppose to refrigerant pipe...
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Page 21: Wiring
Install Duct (the rated diameter: Φ75) Connect the duct to the flange.(the flange is assembled with the interface of duct.) After connection, use the ethylene tape (provided on field) to wrap the joint to prevent air-leakage. 10. WIRING Please refer to the Wiring Diagram CAUTION 1. - Page 22 MODEL 30-36 MODEL 36-48 MODEL (For R407C and R410A, (For R407C and R410A, Heating&Cooling) Heating&Cooling) PHASE 1-PHASE 3-PHASE POWER FREQUENCY AND 220-240V~, 50Hz 380V 3N~, 50HZ VOLT CIRCUIT BREAKER/FUSE (A) 40/25 25/15 INDOOR UNIT POWER WIRING (mm2) 3x3.5 5x2.5 INDOOR/OUTDOOR CONNECTING WIRING GROUND WIRING OUTDOOR UNIT...
- Page 23 2. Remove the protection board. Disassemble bolts from maintenance board, and pull it in the direction of the arrow to remove the protection board. Notice: Do not scratch the surface during operation. ATTENTION: Chart 32 is based on the standard model, which may look a little different from your own outdoor unit.
- Page 24 INDOOR UNIT Power : 220-240VAC 50Hz (3-core cable 3x2mm²) (5-core cable 5x2mm²) 1-core sheild wire 1x0,5mm²) MODEL 12-18 (1 Phase) AIR CONDITION LINK-CIRCUIT (For R407C and R410A, Heating & Cooling)
- Page 25 Model 24-30 Model 30-36...
- Page 26 Model 36-48 Model 18...
- Page 27 Model 24 Model 24-30...
- Page 28 Model 36 Model 36-48...
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Page 29: Test Operation
11. TEST OPERATION 1. The test operation must be carried out after the entire installation has been completed. 2. Please confirm the following points before the test operation: • The indoor unit and outdoor unit are installed properly. • Tubing and wiring are correctly completed. •... - Page 32 BELGIUM, LUXEMBOURG RUSSIA Due to Lennox’s ongoing commitment to quality, www.lennoxbelgium.com www.lennoxrussia.com the Specifications, Ratings and Dimensions are subject to change without notice and without incurring liability. CZECH REPUBLIC SLOVAKIA Improper installation, adjustment, alteration, www.lennoxczech.com www.lennoxdistribution.com service or maintenance can cause property damage or personal injury.
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