background image

16

English

Heat pump lockout temperature

Heat pump would be locked out when the outdoor ambient temperature is smaller than the heat pump lockout temperature.
This setting is only effective when heat pump lockout mode has been set.

And should make the field setting of indoor unit. Refer to Service Manual for details.

No.

Setting item display

Setting condition display

Setting item MODE

H1P

TEST

H2P

C/H selection

Low 

noise

H6P

Demand

H7P

IND

H3P

Master

H4P

Slave

H5P

*Factory setting

57

Heat pump 

lockout 

temperature

k

k

k

k

h

h

k

–26.1°C (–15°F)

k h h h h h h

–23.3°C (–10°F)

k h h h h h k

–20.5°C (–5°F)

k h h h h k h

–17.7°C (0°F)

k h h h h k k

–15°C (5°F)

k h h h k h h

–12.2°C (10°F)

k h h h k h k

–9.4°C (15°F)

k h h h k k h

–6.6°C (20°F)

k h h h k k k

–3.8°C (25°F)

k h h k h h h

–1.1°C (30°F)

k h h k h h k

1.6°C (35°F)

k h h k h k h

4.4°C (40°F)

k h h k h k k

7.2°C (45°F)

k h h k k h h

10°C (50°F)

k h h k k h k

Forced heat 

pump lockout

k h h k k k h

*

Heat pump lockout release differential

Heat pump would be resumed when the outdoor ambient temperature is recovered by differential above the heat pump lockout temperature. 

*Factory setting

No.

Setting item display

Setting condition display

Setting item MODE

H1P

TEST

H2P

C/H selection

Low 

noise

H6P

Demand

H7P

IND

H3P

Master

H4P

Slave

H5P

47

Heat pump 

lockout 

release 

differential

k

k

h

k

k

k

k

2.8°C (5°F)

k h h h h h h

5.6°C (10°F)

k h h h h h k

8.3°C (15°F)

k h h h h k h

*

Automatic lockout

When heat pump lockout mode has been set, the auto backup function will automatically be set. This will allow the auxiliary or secondary heat source 
to be automatically energized in the event of a system failure related to outdoor units.

01_EN_3P591321-10C.indd   16

01_EN_3P591321-10C.indd   16

2022/07/12   17:13:32

2022/07/12   17:13:32

Summary of Contents for RZQ18TBVJUA

Page 1: ...re reference This manual should be left with the equipment owner Lire soigneusement ces instructions avant l installation Conserver ce manuel port e de main pour r f rence ult rieure Ce manuel doit tr...

Page 2: ...ore 40 1000 or more 8 200 or more 4 100 or more 4 100 or more 12 300 or more inch mm gure 5 gure 6 1 2 3 4 20 500 or more 4 100 or more 4 100 or more 20 500 or less 20 500 or less 20 500 or more 40 10...

Page 3: ...ore 8 200 or more 24 600 or more 120 3000 or more 4 100 or more 4 100 or more 80 2000 or more 1 13 16 20 inch mm 1 2 7 3 4 6 5 gure 9 gure 10 gure 11 gure 12 inch mm inch mm 4 4 6 5 16 160 6 5 16 160...

Page 4: ...2 F1 F2 4 1 2 3 4 5 6 7 11 8 9 10 1 2 3 4 5 6 7 8 gure 26 gure 22 2 7 8 3 6 4 5 5 4 1 2 8 7 8 4 2 6 18 24 type 3 1 Conduit mounting plate accessory 2 4 2 Lock nut Cover Conduit 5 1 8 2 4 4 2 7 3 6 5 L...

Page 5: ...ne wires or lightning rods as incomplete grounding will result a severe shock hazard resulting in severe injury or death Additionally grounding to gas pipes will result a gas leak and potential explos...

Page 6: ...r or heat pump in the following locations a Where a mineral oil mist or oil spray or vapor is produced for example in a kitchen Plastic parts may deteriorate and fall off or result in water leakage b...

Page 7: ...ration and where the unit can be installed level A locations where there is enough space to install the unit Places where the indoor and outdoor unit s piping and wiring lengths come within the allowa...

Page 8: ...to figure 5 2 2 In case of installing multiple units 2 units or more in lateral connec tion per row In case obstacles exist in front of the air inlet and on both sides of the unit Refer to figure 5 3...

Page 9: ...sure the unit is level and the foundation is sturdy enough to prevent vibration and noise Fasten the unit in place using 4 foundation bolts M12 or equivalent It is best to screw in the foundation bol...

Page 10: ...rial Jointless phosphor deoxidized copper pipe Thickness Select a thickness for the refrigerant piping which com plies with national and local laws Maximum piping length and height difference between...

Page 11: ...9 16 inch 15 mm Minimum thickness 3 4 inch 20 mm When using commercial copper pipes and fittings observe the following a Insulation of pipes should be done after performing air tight test and vacuum d...

Page 12: ...e a push rod provided charging hose for operation Be sure to tighten the valve cap securely after operation Tightening torque 8 5 10 3 ft lbf 10 8 14 7 N m 7 ELECTRIC WIRING CAUTION To the electrician...

Page 13: ...ut make sure there are no burrs and protect the wiring with protective tape If small animals might enter the unit block the knockout with an appropriate material field supply Burr Refer to figure 23 1...

Page 14: ...igerant tank Charge the refrigerant to the liquid pipe in its liquid state Since R410A is a mixed refrigerant its composition changes if charged in a gaseous state and normal system operation would no...

Page 15: ...tdoor unit operation status and check for any incorrect wiring 1 Close the outdoor unit s front panel Turn the power on for the outdoor unit and the indoor unit 2 Open the outdoor unit s front panel M...

Page 16: ...place the indoor unit UF The stop valve of outdoor unit is left closed Open the gas side stop valve and the liquid side stop valve If the right indoor unit piping and wiring are not properly con necte...

Page 17: ...he steady state condition which is defined by the operation method above To activate the powerful comfort setting under cooling opera tion change field setting 2 41 3 This setting is used in conjuncti...

Page 18: ...rature B Operation start C Operating time D Mild E Quick F Powerful Example Automatic mode during heating A B 100 70 E Tc C D 120 F 49 C F 115 F 46 C 36 F 2 C A Virtual load curve default automatic mo...

Page 19: ...Actions Field setting Shorted between Heating Thermo on Heating Thermo off Heater Fan Heater Fan I Heat pump heating is always locked out 2 16 ON ON ON H L OFF LL II Mode 1 Lockout is controlled by AB...

Page 20: ...h h k h h k 1 6 C 35 F k h h k h k h 4 4 C 40 F k h h k h k k 7 2 C 45 F k h h k k h h 10 C 50 F k h h k k h k Forced heat pump lockout k h h k k k h Heat pump lockout release differential Heat pump...

Page 21: ...rant from the system Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Procedure for checking maximum concentration Check the...

Page 22: ...Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 3P591321 10E EM22A013A 2208 SP 00_CV_3P591321 10E indd 5 00_CV_3P591321 10E indd 5 2022 08 31 18 52 35 2022 08 31 18 52 35...

Reviews: