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Caution: 1. Always use an all pole disconnection for the main switch (breaker) for the power connection. 2. Always use double insulated PVC cable for the transmission lines. Vorsicht: 1. Verwenden Sie als Hauptschalter immer einen Schalter, der alle Pole der Stromversorgung trennt.
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Model name GUF-50RD(H)4 GUF-100RD(H)4 Item SA 34.2 31.4 RA 33.7 5 VSD MITSUBISHI ELECTRIC EUROPE B.V. 8 Model number GUF-50RD(H)4 GUF-100RD(H)4 SA 0.28 0.10 RA 0.23 SA 0.27 Flow rate (m 0.13 RA 0.23 SA 372 Pressure (Pa) RA 360...
Fresh Master Models: GUF-50RDH4, GUF-50RD4 GUF-100RDH4, GUF-100RD4 Installation Instructions (For use by dealer/contractor) Contents 1. Safety precautions ..........1-5 2. Accessories ............5 3. Outline drawings ........... 5 4. Selecting an installation site ......... 6 5. Installing the Fresh Master ........ 6-7 6.
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CAUTION - Do not place a burning appliance in a place where it is exposed directly to the air from the Fresh Master. - Make sure the power supply isolator is turned off on - It could cause an accident as a result of incom- the power distribution panel when Fresh Master is not plete combustion.
If repair is performed improperly, water leakage, electric R407C refrigerant Caution: - Do not use the existing refrigerant piping. 1) Outdoor unit - The old refrigerant and refrigerator oil in the existing piping con- tains a large amount of chlorine which may cause the refrigera- Warning: tor oil of the new unit to deteriorate.
1.5. Before getting installed Caution: It is strictly prohibited to use pipes with thin wall not listed in - Do not install the unit where combustible gas may leak. may result. - Do not use the Fresh Master where food, pets, plants, preci- - Store the piping to be used during installation indoors and sion instruments, or artwork are kept.
1.7. Before starting the test run - Do not operate the Fresh Master and outdoor unit with the Caution: - Do not turn off the power immediately after stopping operation. - Turn on the power at least 12 hours before starting operation. - Starting operation immediately after turning on the main power switch can result in severe damage to internal parts.
4. Selecting an installation site 4.1. Install the Fresh Master on a ceiling the weight of unit. strong enough to sustain its weight site should be determined. Warning: - Select a site where the unit is not affected by entering air. - The unit must be securely installed on a structure that can sustain its weight.
5.2. Attaching the duct connecting 1. Use the mounting screws provided to mount the duct connection 2. Use the four mounting screws that were removed to attach the Fresh Master. Caution: 5.5. Connecting the ducts inside the main unit. vent air leaks. tighten them.
6. Supply pipe and drain pipe work 6.2. Drain pipe work the drain pipe work. 1. Connect a vinyl chloride VP25 elbow to the drain discharge port. 6.1. Supply pipe work 2. The drain pipe must be properly insulated from the drain dis- charge port.
7. Refrigerant pipe work 7.2. Refrigerant piping work Warning: This piping work must be done in accordance with the installation manuals for both outdoor unit and BC controller (simultaneous cool- ing and heating series R2). - With R2 systems connect Fresh Masters to BC controllers. - For constraints on pipe length and allowable difference of eleva- shall assume no liability for any damage, breakdown, malfunc- tion, or accident resulting from the charging of a refrigerant not...
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- Make sure to use new refrigerant piping. the following points. * Do not coat at the threaded section. - Use of piping with thin wall should be avoided. Dise product could be cracked.) Copper pipe Flare Dimension Copper Pipe O.D. Dimension øB (mm) Dimension A (mm) ø6.35...
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7.3. Request for application of insula- each insulating pipe with a tie band. * Be sure to perform construction so as not to leave a gap on refrigerant pipe Check if the parts listed below are included in the package before Body side installation.
above the ceiling may be bitten by mice. Use as many metal pipes as possible to insert the cables into them for protection. Warning: 6. Never connect the power supply cable to leads for the transmis- sion cables. Otherwise the electronic circuit would be broken. cal Installation”...
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GUF-50, 100RDH4 BROWN BLUE POWER SUPPLY CND1 CND2 220-240V 50Hz FAN2 WHITE BLUE PINK BLACK SUPPLY FAN FAN4 ISOLATOR FAN1 GREEN/YELLOW PINK BLACK CN3T WHITE BLUE EXHAUST FAN FAN3 FUSE1 250V 6.3A PURPLE ZNR902 DSA1 ZNR901 Humidistat PURPLE Uncharged a-contact 240VAC more than 10mA CN70 DB901...
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GUF-50 100RD4 BROWN POWER SUPPLY BLUE 220-240V 50Hz CND1 CND2 FAN2 WHITE BLUE PINK BLACK SUPPLY FAN FAN4 ISOLATOR FAN1 GREEN/YELLOW PINK BLACK CN3T WHITE BLUE EXHAUST FAN FAN3 FUSE1 250V 6.3A ZNR902 DSA1 ZNR901 CN70 DB901 Operation monitor output AC240V 1A AC220V 100mA DC 24V 1A DC 5V 100mA...
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- 24 to 30 V DC between M1 and M2 or more Longest wiring length (L1+L2+L4 or L1+L3): less than 200 m Longest wiring length (L2+L3+L4): less than 500 m Total operating current Over current Length between the Fresh Master and the Remote controller ( ): be less than 16 A protection 16 A Pull box...
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3. Connect the transmission line to the TM2 terminal block as shown in the diagram. 1. Remove the 4 screws to remove the control box cover. Humidistat cable PVC insulated PVC PG connection . Recommended type or the like Terminal block (TM3) Short-circuit piece Screw...
9. Feature settings SW3 ---- GUF-50, 100RDH4 Caution: * Always turn off the main power supply. Synchronous air-conditioning switch (async when 9.1. Address setting (Determining the address depends on the own-site system. Please Heater operation during synchronous operation/ stop temperature switch Remove the control box cover.
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9.3.1. Filter maintenance time setting 100RDH4 only) use. Switch Maintenance time Switch Mode Filter maintenance display ON Filter maintenance display OFF* Used when operating only the Fresh Master and the temperature during heating becomes too hot. The heating capability can be saved lower temperature than normal.
9.3.9. Selecting the fan speed control method 9.3.10. Room temperature control (GUF-50, 100RD4 only) This setting is used to select whether to operate according to the Room temperature detected at main unit is decreased by 4°C when speed. heating. Switch Mode Switch Mode...
When operating the Fresh Master for a test When operating the Fresh Master by syn- switch (SW1). ton to operate the Fresh Master simultaneously. Check to make sure that the mode is the same as the indoor unit Switch Mode operation mode.
12. Troubleshooting See below for possible remedies when there is an error during test operation and [Check] followed by a 4-digit number is displayed on the remote controller. Error code Error content Cause Remedy Test run 0900 turned ON? Drain error - Drain water is not properly discharged.
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HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN AUTHORIZED REPRESENTATIVE IN EU: MITSUBISHI ELECTRIC EUROPE B.V. HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX, UB8 1QQ, U.K.