Table of Contents
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Contents
1. Safety precautions ........................................................................................1
2. Installation location .......................................................................................10
3. Protective zone .............................................................................................14
4. Installing the outdoor unit .............................................................................17
5. Drainage piping work ....................................................................................18
6. Water piping work .........................................................................................19
7. Electrical work ..............................................................................................21
8. Test run ........................................................................................................23
Note: This symbol mark is for EU countries only.
This symbol mark is according to the directive 2012/19/EU Article 14 Information for users and Annex IX.
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!
1. Safety precautions
► Before installing the unit, make sure you read all
the "Safety precautions".
► Please report to or take consent by the supply au-
thority before connection to the system.
WARNING:
Describes precautions that must be observed to pre-
vent danger of injury or death to the user.
CAUTION:
Describes precautions that must be observed to pre-
vent damage to the unit and/or limit the danger of in-
jury or death to the user.
MEANINGS OF SYMBOLS DISPLAYED ON THE UNIT
WARNING
(Risk of fire)
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL
before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
9. System control .............................................................................................24
10. Handing over to the user ............................................................................24
11. Inspection and maintenance.......................................................................24
12. Repair and service......................................................................................24
13. Decommissioning .......................................................................................24
14. Recycling and disposal ...............................................................................25
15. Specifications .............................................................................................26
16. Serial number .............................................................................................26
After installation work has been completed, explain the
"Safety precautions," use, and maintenance of the unit to
the customer/user according to the information in the Op-
eration Manual and perform the test run to demonstrate
operation. Both the Installation Manual and Operation
Manual must be retained by the user. The Installation
Manual and Operation Manual must be passed by the user
to subsequent users.
Carefully read the labels affixed to the main unit.
This unit uses R290, a highly flammable refrigerant. If any refrigerant leaks or
comes in contact with fire or a heated surface or environment, there is a risk of fire
or explosion, and the installer and/or user is warned to take all possible safety pre-
cautions when handling the unit and R290, being sure to keep a safe distance at all
times to any related fire or explosion and to notify the fire department immediately
on becoming aware of such an outcome.
: Indicates a part which must be grounded.
WARNING:
en
1
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Summary of Contents for Mitsubishi Electric PUZ-WZ50VAA
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Page 1: Table Of Contents
This symbol mark is according to the directive 2012/19/EU Article 14 Information for users and Annex IX. Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused. This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste. - Page 2 If the unit is mounted on Mitsubishi Electric, to be installed by a competent electrician with the requisite professional qualifica- an unstable structure, it may fall down and cause damage or injuries.
- Page 3 1. Safety precautions • A protective zone is defined for the area close If refrigerant comes into contact with a flame, a fire around the unit. See section “3. Protective zone”. or explosion will occur. ○ • When carrying out work on the refrigerant circuit or Do not smoke during work and transportation.
- Page 4 1. Safety precautions 1.1. Before installation CAUTION: • When drain piping is necessary, the condensate • Do not use the unit in an unusual environment, choosing to do so many invalidate the unit’s war- drain must not be connected to the waste water di- rectly.
- Page 5 1. Safety precautions 1.4. Before starting the test run CAUTION: • Do not touch the refrigerant pipes with bare hands • Turn on the main power switch more than 12 hours during operation. The refrigerant pipes are hot or before starting operation. Starting operation just after turning on the power switch can severely dam- cold depending on the condition of the flowing re- frigerant.
- Page 6 1. Safety precautions • Prior to beginning work on systems containing • Where electrical components are being changed, flammable refrigerants, safety checks are neces- they shall be fit for the purpose and to the correct sary to ensure that the risk of ignition is minimized. specification.
- Page 7 1. Safety precautions • Particular attention shall be paid to the following to • Electronic leak detectors may be used to detect re- ensure that by working on electrical components, frigerant leaks but, in the case of flammable refrig- the casing is not altered in such a way that the level erants, the sensitivity may not be adequate, or may of protection is affected.
- Page 8 1. Safety precautions • When breaking into the refrigerant circuit to make • Before carrying out this procedure, it is essential repairs – or for any other purpose conventional that the technician is completely familiar with the procedures shall be used. However, for flammable equipment and all its detail.
- Page 9 1. Safety precautions • Equipment shall be labelled stating that it has been Hoses shall be complete with leak-free disconnect de-commissioned and emptied of refrigerant. The couplings and in good condition. Before using label shall be dated and signed. For appliances con- the recovery machine, check that it is in satisfac- taining flammable refrigerants, ensure that there are tory working order, has been properly maintained...
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Page 10: Installation Location
2. Installation location 2.1. Choosing the outdoor unit installation location Correct Correct ○ R290 is heavier than air—as well as other refrigerants—so tends to accumulate at the base (in the vicinity of the floor). If R290 accumulates around base, it may reach a flammable concentration in case room is small. - Page 11 2. Installation location 2.3. Ventilation and service space 2.3.1. Windy location installation When installing the outdoor unit on a rooftop or other location unprotected from the wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.
- Page 12 2. Installation location 2.3.2. When installing a single outdoor unit 2.3.3. When installing multiple outdoor units Minimum dimensions are as follows, except for Max., meaning Maximum dimen- Leave a space of no less than 50 mm between the units. sions, indicated. Refer to the figures for each case.
- Page 13 If despite the instructions delineated in section “1. Safety precautions” of this Installation Manual you elect to install a unit in a space where all four sides are blocked and/or there are obstructions, you do so of your own risk and volition. Mitsubishi Electric does not warrant or represent the functionality; specification; quality; accuracy; or output deriving from any such unit installed in such a way and shall not be liable for any resulting cost or damage.
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Page 14: Protective Zone
If you are concerned about a possible refrigerant leak from your unit, please contact your installer/supplier immediately or contact Mitsubishi Electric in your region directly for more information. - Page 15 3. Protective zone • Specific dimensions of the protective zone are specified for each installation condition. Refer to the figures for each case. (1) When installed in a location with an open around (Fig. 3-2) Define the protective zone as follows: - 1 m around of the unit - 0.3 m from the ground.
- Page 16 3. Protective zone (4) When installed in a location where only the front opened (building walls on both sides) Where the distance between both sides of the unit and the wall is more than 1 m, define the protective zone as fol- lows: (Fig.
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Page 17: Installing The Outdoor Unit
4. Installing the outdoor unit (mm) • Be sure to install the unit in a sturdy, level surface to prevent rattling noises during operation. (Fig. 4-1) <Foundation specifications> Foundation bolt M10 (3/8") Thickness of concrete 120 mm Length of bolt 70 mm Weight-bearing capacity 320 kg... -
Page 18: Drainage Piping Work
5. Drainage piping work Outdoor unit drainage pipe connection When drain piping is necessary, use the drain socket or the drain pan (option). WZ50 WZ60 WZ80 Drain socket PAC-SG61DS-E Drain pan PAC-SJ83DP-E WARNING: • When drain piping is necessary, the condensate drain must not be connected directly, but e.g. -
Page 19: Water Piping Work
6. Water piping work 6.1. Water piping connection (Fig. 6-1) • Connect the water pipes to the outlet and inlet pipes. (Parallel male screw for 1-inch water pipe (ISO 228/1-G1B)) • Inlet and outlet pipes position is shown on the Fig. 6-1. •... - Page 20 6. Water piping work 6.4. Available range (Water flow rate, return water temp.) I Heating I Cooling Minimum return water temperature due to the water quantity of system Minimum return water temperature due to the water quantity of system Available range 10 L Available range 15 L...
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Page 21: Electrical Work
7. Electrical work ■ 7.1. Outdoor unit (Fig. 7-1, Fig. 7-2) Single phase (1) Remove the service panel. (2) Wire the cables referring to the Fig. 7-1 and the Fig. 7-2. S1 S2 S3 A: Indoor unit (Interface unit/ Flow temp. controller) B: Outdoor unit C: Remote controller D: Main switch (Earth leakage breaker) - Page 22 7. Electrical work 7.2. Field electrical wiring Outdoor unit model WZ50 WZ60 WZ80 ~/N (single), ~/N (single), ~/N (single), Outdoor unit power supply 50 Hz, 230 V 50 Hz, 230 V 50 Hz, 230 V Outdoor unit input capacity Main switch (Breaker) 16 A 16 A 25 A...
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Page 23: Test Run
8. Test run 8.1. Before test run ► After completing installation and the wiring and piping of the indoor and • The insulation resistance drops due to accumulation of refrigerant in the com- outdoor units, check for refrigerant leakage, looseness in the power supply pressor. -
Page 24: System Control
9. System control Set the refrigerant address using the DIP switch of the outdoor unit. Note: a) Up to 6 units can be connected. SW1 Function Setting b) Select one single model for all units. c) For Dip switch setting for indoor unit, refer to the indoor unit’s Installation Refrigerant Refrigerant SW1 Setting... -
Page 25: Recycling And Disposal
14. Recycling and disposal 14.1. Disposing of the packaging The competent person who installed the unit is responsible for the disposal of the packaging. Dispose of the packaging correctly. Observe all relevant regulations. 14.2. Disposing of the unit Do not dispose of the unit with the household waste. According to the laws and ordinances of each country, hand in the unit to a collection center for waste electrical or electronic equipment or to a recycler authorised by manu- facturer. -
Page 26: Specifications
15. Specifications Outdoor model PUZ-WZ50VAA PUZ-WZ60VAA PUZ-WZ80VAA Power supply V / Phase / Hz 230 / Single / 50 Dimensions (W × H × D) 1050 × 1020 × 500 Sound Power Level *1 (Heating) dB(A) *1 Measured under rated operation frequency.
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