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Immergas UE MULTI 18 DUAL Instructions And Warnings
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Immergas UE MULTI 18 DUAL Instructions And Warnings

Immergas UE MULTI 18 DUAL Instructions And Warnings

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UE MULTI 18 DUAL
UE MULTI 21TRIAL
UE MULTI 27 TRIAL
UE MULTI 28 QUADRI
UE MULTI 36 QUADRI
UE MULTI 42 PENTA
IE
Instructions and warnings
Installer
Maintenance technician
Technical data

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Summary of Contents for Immergas UE MULTI 18 DUAL

  • Page 1 UE MULTI 18 DUAL UE MULTI 21TRIAL UE MULTI 27 TRIAL Instructions and warnings UE MULTI 28 QUADRI Installer UE MULTI 36 QUADRI Maintenance technician UE MULTI 42 PENTA Technical data...
  • Page 2 ST.007730/005 UE MULTI...
  • Page 3 INDEX Dear Customer ................................. 4 General Warnings ................................5 Safety symbols used ................................. 6 Personal protective equipment ............................6 Disposal Method ................................7 Multi air conditioners features ............................8 Content of the packaging ............................... 9 Installation ............................10 1.1 General Warnings .............................. 10 1.2 Outdoor Unit Installation ..........................
  • Page 4 DEAR CUSTOMER Congratulations for having chosen a top-quality Immergas product, able to assure well-being and safety for a long period of time. As an Immergas Customer, you can also count on a qualified Authorised Technical After-Sales Centre, prepared and updated to guarantee constant efficiency of your product.
  • Page 5 Read the instructions provided with the product carefully to ensure proper installation. • This instructions manual provides technical information for installing Immergas products. As for the other issues related to the installation of products (e.g. safety at the workplace, environmental protection, accident prevention), it is necessary to comply with the provisions of the standards in force and the principles of good practice.
  • Page 6 SAFETY SYMBOLS USED GENERIC HAZARD Strictly follow all of the indications next to the pictogram. Failure to follow the indications can generate hazard situations resulting in possible serious harm to the health of the operator and user in general, and/or serious material damage. ELECTRICAL HAZARD Strictly follow all of the indications next to the pictogram.
  • Page 7 DISPOSAL METHOD DISPOSAL WARNING The user must not dispose of the appliance at the end of its service life as municipal waste, but send it to appropriate collection centres. This marking on the product means that waste electrical and electronic equipment must not be mixed with generic household waste.
  • Page 8 4-way valve for cycle inversion, finned exchange coil with outdoor air (with single fan), Interception cocks for the R32 circuit. The cooling circuit is already pre-loaded with coolant R32. • UE MULTI 18 DUAL, can be coupled to up to 2 indoor units; • UE MULTI 21 TRIAL, can be coupled to up to 3 indoor units;...
  • Page 9 • User manual • Warranty Leaflet • Drain coupling Drain coupling • Coupling gasket UE MULTI 18 DUAL • UE MULTI 21 TRIAL • UE MULTI 27 TRIAL Magnetic ring • UE MULTI 28 QUADRI • UE MULTI 36 QUADRI UE MULTI 42 PENTA •...
  • Page 10 The manufacturer cannot be held liable for damage resulting from unauthorised changes or improper connection of the electric and refrigerated lines. The place of installation of the device and relative Immergas accessories must have suitable features (technical and struc- tural), such as to allow for (always in safe, efficient and comfortable conditions): •...
  • Page 11 Failure to comply with the above implies personal responsibility and invalidates the warranty. Check the environmental operating conditions of all parts relevant to installation, referring to the values shown in the tech- nical data table in this booklet. Make sure to take adequate measures so that the unit is not used to house small animals. Animals that come into contact with elec- tric components could cause operating failures, smoke or fire.
  • Page 12 WARNINGS for product use: • Do not insert fingers or other objects into the air inlet or outlet. This could cause injury. • Do not run the air conditioner in the vicinity of flammable gases. The emitted gas could collect around the unit and cause a fire. Do not use flammable sprays such as hair spray, spray varnish or paint near the unit.
  • Page 13 Liquid Net weight Condensate EU models R32 coolant R32 coolant [Kg] drain [mm] UE MULTI 18 DUAL 2 x 1/4”(6.35 mm) 2 x 3/8"(9.52 mm) Ø 16 MULTI 21 TRIAL 43.3 Ø 16 3 x 1/4”(6.35 mm) 3 x 3/8"(9.52 mm) MULTI 27 TRIAL Ø...
  • Page 14 1.2.2 MAIN COMPONENTS NOTE: • The illustrations are provided by way of example, the actual products could be slightly different • Installation must be carried out in compliance with local and national standards. The air conditioner is made of two (or more) units connected together by pipes (duly insulated) and by a power supply cable. The Indoor Unit needs to be installed on a wall of the room being air conditioned.
  • Page 15 1.2.3 DRILLING INSTRUCTIONS FOR UNIT CONNECTIONS Drill a hole in the wall for the coolant pipes, the drainage pipe and for the signal cable that will connect the indoor unit to the outdoor unit. Using a minimum 65mm size tool for the drill (for UI Thor-24 it must be a minimum of 90mm), make a hole in the wall, ensuring that it is angles slightly downwards, so that the outer end is about 5-7mm lower than the inner end.
  • Page 16 Thor-Gotha KEY: Connection pipes (not provided) Connection to TWO units Connection to THREE units Connection to FOUR units Connection to FIVE units 1-03 ST.007730/005 UE MULTI...
  • Page 17 Duct KEY: Connection pipes (not provided) Connection to TWO units Connection to THREE units Connection to FOUR units Connection to FIVE units 1-04 ST.007730/005 UE MULTI...
  • Page 18 Cons-SP KEY: Connection pipes (not provided) Connection to TWO units Connection to THREE units Connection to FOUR units Connection to FIVE units 1-05 ST.007730/005 UE MULTI...
  • Page 19 KEY: Connection pipes (not provided) Connection to TWO units Connection to THREE units Connection to FOUR units Connection to FIVE units 1-06 ST.007730/005 UE MULTI...
  • Page 20 1.2.5 OVERVIEW OF INSTALLATION (L1) (L2) KEY: 1. Install the outdoor unit. 2. Connect the pipes. 000000 000000 3. Connect the power supply. 000000 000000 xxxxx xxxxx 000000 000000 xxxxx xxxxx 000000 000000 4. Remove air from the coolant circuit. 0000 0000 5.
  • Page 21 Multiple Installation • Observe the minimum installation distances of multiple outdoor units, as in the image provided below. The relations between H, A and L are the following. L ≤ 1/2H 25 cm or more L ≤ H 1/2H < L ≤ H 30 cm or more L >...
  • Page 22 Special considerations for extreme weather conditions If the unit is exposed to strong wind: • Install the unit so that the air outlet fan is at a 90° angle with respect to the wind direction (1-10). • If necessary, set up a barrier in front of the unit to protect it from strong winds (1-11). If the is often exposed to rain or snow: •...
  • Page 23 INFORMATION If the unit is standing on the floor, it is advisable to purchase the dedicated Immergas floor-mount kit with the relative in- structions. If the unit is wall-mounted, it is advisable to purchase the dedicated Immergas wall-mount brackets kit with the relative in- structions.
  • Page 24 These devices must comply with regulations in force and sized for the maximum absorbed current as stated in the table. Voltage Field Maximum current Indoor Unit Nominal Values Maximum absorbed power absorbed Tolerable Outdoor Unit UE MULTI 18 DUAL 220-240 3050 MULTI 21 TRIAL 220-240 3910 MULTI 27 TRIAL 220-240 4100...
  • Page 25 Maximum current absorbed INDOOR UNIT CONS MULTI 18 DUAL= 13.0 A Terminals “S(1)” and “S(2)” must not be connected. 1(L) 2(N) OUTDOOR UNIT S(2) S(A) N(A) L(A) 220-240 Vac 50 Hz INDOOR UNIT CONS S(1) S(B) N(B) L(B) 1(L) 2(N) HO7RN-F multipolar cable Number of poles: 3 Minimum cable gauge: 1.5 mm²...
  • Page 26 Terminals “W”, “S(1)” and “S(2)” must not be connected. INDOOR UNIT GOTHA - THOR Maximum current absorbed MULTI 18 DUAL= 13.0 A 1(L) 2(N) OUTDOOR UNIT S(2) S(A) N(A) L(A) 220-240 Vac 50 Hz INDOOR UNIT S(1) S(B) N(B) L(B) GOTHA - THOR 1(L) 2(N)
  • Page 27 Maximum current absorbed MULTI 21 TRIAL = 17.0 A HO7RN-F multipolar cable MULTI 27 TRIAL = 18.0 A Number of poles: 4 Minimum cable gauge: 1.5 mm² INDOOR UNIT INDOOR UNIT CONS CONS 1(L) 2(N) 1(L) 2(N) OUTDOOR UNIT L(B) N(B) S(B) L(C) N(C) S(C) INDOOR UNIT...
  • Page 28 Maximum current absorbed Terminal “W” must not be connected. MULTI 21 TRIAL = 17.0 A MULTI 27 TRIAL = 18.0 A INDOOR UNIT INDOOR UNIT GOTHA-THOR GOTHA-THOR HO7RN-F multipolar cable Number of poles: 4 Minimum cable gauge: 1.5 mm² 1(L) 2(N) 1(L) 2(N)
  • Page 29 UE Multi 28and 36 Quadri Maximum current absorbed INDOOR UNIT MULTI 28 QUADRI = 19.0 A MULTI 36 QUADRI = 21.5 A HO7RN-F multipolar cable Number of poles: 4 Minimum cable gauge: 1.5 mm² INDOOR UNIT OUTDOOR UNIT INDOOR UNIT L(B) N(B) S(B) L(C) N(C) S(C)
  • Page 30 Maximum current absorbed HO7RN-F multipolar cable INDOOR UNIT MULTI 28 QUADRI = 19.0 A Number of poles: 4 DUCT MULTI 36 QUADRI = 21.5 A Minimum cable gauge: 1.5 mm² INDOOR UNIT DUCT OUTDOOR UNIT INDOOR UNIT DUCT L(B) N(B) S(B) L(C) N(C) S(C) L(D)
  • Page 31 Maximum current absorbed Example of UI SP 18 connection. OUTDOOR UNIT MULTI 28 QUADRI = 19.0 A MULTI 36 QUADRI = 21.5 A L(B) N(B) S(B) L(C) N(C) S(C) L(D) N(D) S(D) Indoor unit “D” Indoor unit “B” Indoor unit “C” HO7RN-F multipolar cable L(A) N(A)
  • Page 32 Maximum length R32 preload Outdoor Unit R32 preload (gr) ter [inch - mm] diameter [inch - mm] (for each line) UE MULTI 18 DUAL 2 x 3/8” - Ø 9.52 2 x 1/4” - Ø 6.35 ≤ 7.5 m 1250 MULTI 21 TRIAL ≤...
  • Page 33 ATTENTION FOR THE USE OF R32 COOLANT When using a flammable coolant, the device must be kept in a well-ventilated area where the size of the room cor- responds to the area of the room, as specified for operation. The device must be installed, used and kept in a room larger than Xm²...
  • Page 34 Pitch 1: Cutting the pipes When preparing coolant pipes, be very careful to cut them and flare them correctly. This ensures efficient operation and minimising the need for future maintenance. Measure the distance between indoor and outdoor unit. Using a pipe cutter, cut the pipe a bit longer than the measured distance. Make sure that the pipe is cut at a 90°...
  • Page 35 The end of the pipe must go beyond the flared shape according to the dimensions given in the table below. A (mm) Pipe outside diameter (mm) Min. Max. Ø 6.35 mm (1/4”) Ø 9.52 mm (3/8”) Ø 12.7 mm (1/2”) Ø...
  • Page 36 Unscrew the valve cover on the side of the outdoor unit. Remove the protective caps from the ends of the valves. Align the flared end of the pipe with each valve and tighten the flared nut as tight as possible by hand. Using a spanner, grip the valve body.
  • Page 37 Make sure that the total refrigerant charge does not exceed the maximum refrigerant charge specified below: Outdoor Unit 1 - Coolant preload (gr.) 2 - Additional coolant max q.ty (gr.) 1+2 - Max allowed load (gr.) UE MULTI 18 DUAL 1250 1550 MULTI 21 TRIAL 1500...
  • Page 38 1.2.10 CHECKING ELECTRICAL AND GAS LEAKAGE Electrical safety checks: • Check that the electrical system of the unit is safe and functioning correctly. • Check the earthing both visually and by measuring the resistance with a tester. • During test run, check for any electrical leakage using an electric probe and a multimeter to run a complete test. •...
  • Page 39 1.2.12 PERFORMING THE TEST Before performing the test: The test can be performed once the entire system has been completely installed. Confirm the following points before running the test: • The indoor and outdoor units are correctly installed. • Pipes and cables are correctly connected. •...
  • Page 40 INSTRUCTIONS FOR MAINTENANCE GENERAL WARNINGS NOTE: Before cleaning the air conditioner, be sure to switch the unit off and disconnect it from the power supply plug: In case of; Not using the unit for an extended period of time: • Clean the indoor unit and air filter.
  • Page 41 TECHNICAL DATA MULTI TECHNICAL DATA UE MULTI 18 DUAL 21 TRIAL Heating performance Rated output power (min - max) Btu/h 19,000 (8,000-19,000) 22,000 (8,000-22,000) Rated output power (min - max) 5.57 (2.35-5.57) 6.45 (2.35-6.45) Rated absorbed power 1,500 1,738 Rated COP 3.71 3.71 Rated absorbed current...
  • Page 42 UE MULTI 27 TRIAL 28 QUADRI Heating performance Rated output power (min - max) Btu/h 28,000 (8,000-28,000) 30,000 (8,000-30,000) Rated output power (min - max) 8.21 (2.35-8.21) 8.79 (2.35-8.79) Rated absorbed power 2,210 2,369 Rated COP 3.71 3.71 Rated absorbed current 10.1 (2.6-13.5) 10.4 (1.98-14.0) Operating temperature...
  • Page 43 UE MULTI 36 QUADRI 42 PENTA Heating performance Rated output power (min - max) Btu/h 36,000 (8,000-38,000) 42,000 (8,000-42,000) Rated output power (min - max) 10.55 (2.35-11.14) 12.31 (2.35-12.31) Rated absorbed power 2,845 3,300 Rated COP 3.71 3.73 Rated absorbed current 13.5 Operating temperature °C...
  • Page 44 Immergas S.p.a. 42041 Brescello (RE) - Italy Tel. 0522.689011 immergas.com This instruction booklet is made of ecological paper.

This manual is also suitable for:

Ue multi 21trialUe multi 27 trialUe multi 28 quadriUe multi 36 quadriUe multi 42 penta