background image

REMQ8~16P7Y1B
VRVIII System air conditioner
4PW37156-1

Installation manual

20

Charging in heating mode 

6.

Start up
Wait while the unit is preparing for charging in heating mode.

It takes about 2 to 10 minutes for the system to become stable.
In case of a small charging amount, the system will start
charging the refrigerant before the system reaches the stable
state. It may disturb a correct decision and may cause
overcharging.

7.

Ready

Press the 

 button once within 5 minutes. 

If the 

 button is not pushed within 5 minutes, 

P2

 will be

displayed on the remote controller. Refer to 

"3 Remote controller

malfunction code display" on page 21

.

8.

Operation
When the following LED display is shown, open valve A and
close the front panel. If the front panel is left open, the system
can not operate properly during the refrigerant charging.

*

 = The state of this LED is not important.

9.

Complete
If the calculated amount of refrigerant is reached, close valve A
and press the 

 button once.

10. Press the 

 button once and the charging is complete. 

Record the amount that was added on the additional refrigerant
charge label provided with the unit and attach it on the back side
of the front panel.
Perform the test procedure as described in 

"Test operation" on

page 24

.

Charging in cooling mode

6.

Start up
Wait while the unit is preparing for charging in cooling mode.

It takes about 2 to 10 minutes for the system to become stable.
In case of a small charging amount, the system will start
charging the refrigerant before the system reaches the stable
state. It may disturb a correct decision and may cause
overcharging.

7.

Ready

Press the 

 button once within 5 minutes.

If the 

 button is not pushed within 5 minutes, 

P2

 will be

displayed on the remote controller. Refer to 

"3 Remote controller

malfunction code display" on page 21

.

8.

Operation
When the following LED display is shown, open valve A and
close the front panel. If the front panel is left open, the system
can not operate properly during the refrigerant charging.

*

 = The state of this LED is not important.

H1P

H2P

H3P

H4P

H5P

H6P

H7P

Pressure control 
(for the first minute)

x c x

x

x

x w

Start up control 
(for the next 2 minutes)

c c x

x

x w x

Waiting for stable 
heating conditions 
(for the next ±15 
minutes (according to 
the system))

c c x

x

x w w

H1P

H2P

H3P

H4P

H5P

H6P

H7P

c c x

x w x w

When the refrigerant tank is not connected or is left
with the valve closed for 30 minutes or more, the
outdoor unit will stop operation and the 

P2

 code will be

displayed on the remote controller of the indoor unit.
Follow the procedure as described in 

"3 Remote

controller malfunction code display" on page 21

.

H1P

H2P

H3P

H4P

H5P

H6P

H7P

w c

*

*

*

*

*

When a malfunction occurs, check the display of the
remote controller and refer to 

"3 Remote  controller

malfunction code display" on page 21

.

NOTE

Always close valve A and remove the refrigerant
tank immediately after finishing the refrigerant
charge operation.

H1P

H2P

H3P

H4P

H5P

H6P

H7P

c c c w w w w

BS4  TEST

BS4  TEST

BS3  RETURN

H1P

H2P

H3P

H4P

H5P

H6P

H7P

Pressure control 
(for the first minute)

x c x

x

x

x w

Start up control 
(for the next 2 minutes)

x c x

x

x w x

Waiting for stable 
cooling conditions 
(for the next ±15 
minutes (according to 
the system))

x c x

x

x w w

H1P

H2P

H3P

H4P

H5P

H6P

H7P

c c c x w x w

When the refrigerant tank is not connected or is left
with the valve closed for 30 minutes or more, the
outdoor unit will stop operation and the 

P2

 code will be

displayed on the remote controller of the indoor unit.
Follow the procedure as described in 

"3 Remote

controller malfunction code display" on page 21

.

H1P

H2P

H3P

H4P

H5P

H6P

H7P

w c

*

*

*

*

*

When a malfunction occurs, check the display of the
remote controller and refer to 

"3 Remote  controller

malfunction code display" on page 21

.

BS1  MODE

BS4  TEST

BS4  TEST

Summary of Contents for VRV III REMQ8P7Y1B

Page 1: ...INSTALLATION MANUAL REMQ8P7Y1B REMQ10P7Y1B REMQ12P7Y1B REMQ14P7Y1B REMQ16P7Y1B System air conditioner...

Page 2: ...b 300 mm c 10 mm d 500 mm a 50 mm b 100 mm c 50 mm d 500 mm a 200 mm b 300 mm a 10 mm b 300 mm c 10 mm d 500 mm e 20 mm a 50 mm b 100 mm c 50 mm d 500 mm e 100 mm a 200 mm b 300 mm e 400 mm A B C D A...

Page 3: ...0 mm 500 mm 1 1 1 A B 2 2 2 6 7 3 8 F1 F2 F1 F2 Q1 Q2 F1 F1 F2 F2 Q1Q2 F1 F2F1F2 7 TOIN DUNIT TOOUT DUNIT TOMULTIUNIT A1P Q1 Q2 A1P Q1 Q2 A1P F1 F2F1F2 TO IN D UNIT TO OUT D UNIT TO IN D UNIT TO OUT D...

Page 4: ...konstrukce A a pozitivn zji t no B v souladu s osv d en m C jak bylo uvedeno v souboru technick konstrukce D a pozitivn zji t no E pou it modul F G Kategorie rizik H Viz tak n sleduj c strana 15 kako...

Page 5: ...Smin Minim l temperat ra zem spiediena pus L C TSmax Pies tin t temperat ra saska ar maksim lo pie aujamo spiedienu PS M C Dzesin t js N Spiediena dro bas ier ces iestat ana P bar Izgatavo anas numurs...

Page 6: ...be combined with Daikin VRV indoor units for air conditioning purposes suitable for R410A The present installation manual describes the procedures for unpacking installing and connecting the REMQ P un...

Page 7: ...10 REYQ30 REMQ14 REMQ16 375 975 REYQ32 REMQ16 REMQ16 400 1040 REYQ34 REMQ8 REMQ10 REMQ16 425 1105 REYQ36 REMQ8 REMQ12 REMQ16 450 1170 REYQ38 REMQ10 REMQ12 REMQ16 475 1235 REYQ40 REMQ12 REMQ12 REMQ16 5...

Page 8: ...ncentration from exceeding allowable safety limits in the event of a refrigerant leak 11 To prevent dripping water to form a puddle underneath the unit install a drain pan available as option kit Make...

Page 9: ...f the foundation must at least be 150 mm from the floor The unit must be installed on a solid longitudinal foundation steelbeam frame or concrete and make sure the base under the unit is larger than t...

Page 10: ...st be installed by a licensed refrigeration technician and must comply with relevant local and national regulations Caution to be taken when brazing refrigerant piping Do not use flux when brazing cop...

Page 11: ...you remove the burrs and paint the edges and areas around the edges using repair paint to prevent rusting When passing electrical wiring through the knockout holes wrap the wiring with protective tape...

Page 12: ...hibited patterns change to pattern 1 or 2 To avoid the risk of oil retention to the outmost outdoor unit always connect the stop valve and the piping between outdoor units as shown in the 4 correct po...

Page 13: ...to malfunction of the outdoor unit 5 Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length allowable level difference and allowa...

Page 14: ...m n p 40 m Example unit 8 o 40 m Outdoor unit multi connection piping kit and refrigerant branch kit selection How to select the refnet joint When using refnet joints at the first branch counted from...

Page 15: ...r more the size of the main pipes of the liquid side must be increased Never increase suction gas pipe and HP LP gas pipe sizes Depending on the length of the piping the capacity may drop but even in...

Page 16: ...p valve 10 Liquid line stop valve 11 Refrigerant charge port 12 Valve A 13 Valve B 14 Valve C 15 To BS box or indoor unit 16 Stop valve 17 Service port 18 Field piping 19 Gas flow NOTE Make sure to pe...

Page 17: ...id H E liquid suction liquid R10 Resistor current sensor A4P A8P R31T R33T Thermistor discharge M1C M3C R50 R59 Resistor R90 Resistor current sensor R95 Resistor current limiting S1NPH Pressure sensor...

Page 18: ...grounding Be sure to install an earth leakage breaker One that can handle high frequency electrical noise This unit uses an inverter which means that an earth leakage breaker capable of handling high...

Page 19: ...box lid 2 Power wiring and ground wiring between outdoor units inside conduit When the wiring is routed out through the lateral panel 3 Transmission wiring 4 Pipe opening 5 Conduit 6 Power wiring and...

Page 20: ...from cutting the wires 1 Outdoor unit 2 Indoor unit 3 Main line 4 Branch line 1 5 Branch line 2 6 Branch line 3 7 No branch is allowed after branch A Transmission wiring between outdoor unit and indo...

Page 21: ...page 5 The electrical work 1 Make sure there is no faulty power wiring or loose nuts See 8 Field wiring on page 11 2 Make sure there is no faulty transmission wiring or loose nuts See 8 Field wiring o...

Page 22: ...e above Refrigerant cannot be charged until all field wiring and field piping has been completed Refrigerant may only be charged after performing the leak test and the vacuum drying The refrigerant ch...

Page 23: ...H1P x OFF BS1 MODE BS1 MODE BS2 SET BS2 SET BS3 RETURN BS1 MODE Adding refrigerant using the automatic refrigerant charging function is recommended When charging a system charging over the permissibl...

Page 24: ...e in heating mode to increase the indoor temperature The unit will automatically select the cooling mode or heating mode for charging Outdoor temperature 0 C DB 43 C DB Indoor temperature 10 C DB 32 C...

Page 25: ...lay on page 21 8 Operation When the following LED display is shown open valve A and close the front panel If the front panel is left open the system can not operate properly during the refrigerant cha...

Page 26: ...a multi system shows which unit is the master unit w slave 1 unit c or slave 2 unit x Only the master unit is connected to the indoor units with interunit wiring c x x w x x x x w Slave unit 1 a c x...

Page 27: ...ake sure to re attach the inspection cover 1 into the switch box cover 2 after the job is finished WARNING ELECTRIC SHOCK Caution when performing service to inverter equipment 1 Do not open the electr...

Page 28: ...or field setting For field setting For test operation For resetting the address when the wiring is changed or when an additional indoor unit is installed LED display Default status before delivery Mic...

Page 29: ...ed indoor units Be sure to turn on the power 6 hours before operation in order to have power running to the crank case heater and to protect the compressor 3 Make the field setting as described in the...

Page 30: ...to ON The indoor unit BS unit and the outdoor unit expansion valves will fully open The H1P LED is on and the remote controller indicates test operation and external control and the operation will be...

Page 31: ...s the following calculate the volume of A B as a single room or as the smallest room 3 Calculating the refrigerant density using the results of the calculations in steps 1 and 2 above If the result of...

Page 32: ...NOTES NOTES...

Page 33: ...2 13 14 15 5 1 7 10 3 2 9 6 6 6 6 7 4 11 8 6 6 6 6 6 6 7 7 9 8 4 11 6 6 1 10 3 2 6 6 6 6 23 18 9 8 1 2 4 3 5 13 14 15 10 7 12 19 2 1 24 6 11 16 17 15 6 5 10 11 12 7 4 9 16 17 3 8 13 14 2 2 1 1 9 22 23...

Page 34: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PW37156 1...

Reviews: