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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. 

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.

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.

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

*

*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

*

01_EN_3P435164-5M.fm  Page 16  Monday, October 15, 2018  3:35 PM

Summary of Contents for SkyAir RZQ24TAVJU

Page 1: ...ce 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 tre donn au...

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

Page 3: ...4 100 or more 40 1000 or more 60 1500 or more 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 figure 9 figure 10 figure 11 fi...

Page 4: ...1 2 3 IN D OUT D F1F2 F1F2 L1 L2 F1 IN D OUT D F2 F1 F2 F1 F2 4 1 2 3 4 5 6 7 11 8 9 10 1 2 3 4 5 6 7 8 figure 26 figure 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 acc...

Page 5: ...ious injury or death Do not ground units to water pipes gas pipes telephone wires or lightning rods as incomplete grounding can cause a severe shock hazard resulting in severe injury or death Addition...

Page 6: ...tdoor use Do not install the air conditioner 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...

Page 7: ...ainst the outdoor unit s exhaust cause a deterioration in the system performance High winds force re circulation of the exhaust air into the inlet which is known to cause the following effects Reducti...

Page 8: ...ir inlet and on both sides of the unit Refer 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 o...

Page 9: ...ent It is best to screw in the foundation bolt until their length remains 13 16 in 20 mm above the foundation surface Refer to figure 11 1 Diagram of lower surface Drain pipe installation Locations wh...

Page 10: ...copper piping through the through holes and when passing them out to the outside 6 4 Pipe connection See Stop valve operation procedure in 6 7 Air tight test and vac uum drying regarding handling of...

Page 11: ...ture that the gas side piping can reach is around 248 F 120 C so be sure to use insulating material which is sufficiently resistant to this temperature CAUTION For local insulation be sure to insulate...

Page 12: ...y a certified professional Follow the Wiring diagram label when carrying out any electrical wiring Only proceed with wiring work after turning off all power Make sure the ground resistance is no great...

Page 13: ...ck of unit 4 Knockout 5 Side of unit 6 Front of unit 7 Terminal block 8 Control Box Precautions when laying power supply wiring Wiring of different thicknesses cannot be connected to the power supply...

Page 14: ...manual Piping Wiring Air tight test Vacuum drying 8 2 Checking the refrigerant tank Charge the refrigerant to the liquid pipe in its liquid state Since R410A is a mixed refrigerant its composition ch...

Page 15: ...door and outdoor units being turned on H2P will light up and the com pressor will not run Only perform operation after checking that the LED display is as shown in 10 1 Power On Check Operation 2 tabl...

Page 16: ...Y SAVING AND OPTIMUM OPERATION The unit is equipped with advanced energy saving functionality Depending on the priority emphasis can be put on energy saving or comfort level Several parameters can be...

Page 17: ...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 conjunction with setting...

Page 18: ...e evolution A B C D E F A Indoor unit set temperature 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...

Page 19: ...h k h k Mode 6 k h h h k k h Type Description 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...

Page 20: ...ated to outdoor units 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...

Page 21: ...asement etc where refrigerant can stay since refrigerant is heavier than air Procedure for checking maximum concentration Check the maximum concentration level in accordance with steps 1 to 4 below an...

Page 22: ...1810 3P435164 5M EM18A002A HT...

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