Carrier 38YG Technical Information

150VZ/PZ38VZ/PZ+40PZVertical Air-CooledSplit-System Cooling Unitsand Heat PumpsInstallation, operation and maintenance instructions

10Fig. 5 - Dimensions, mm50VZ/PZ 040Optionaldischarge38VZ/PZ 040Optional discharge40PZ 040Optional dischargePower connectionCable inletDrain 3/4"

11Fig. 6 - Dimensions, mm50VZ/PZ 045-055Optionaldischarge38VZ/PZ 045-055Optional discharge40PZ 045-055Optional dischargePower connectionCable inletDra

12Fig. 7 - Dimensions, mm50VZ/PZ 065-075Optionaldischarge38VZ/PZ 065-075Optional discharge40PZ 065-075Optional dischargePower connectionCable inletDra

13Fig. 8 - Service area, mm50VZ/PZ* Service space behind the unit depends on whether or not the unit is installed with outdoor air ducts. It is also n

Fig. 9 - Centre of gravity, mm (approx.)50VZ/PZ (all sizes)Fig. 10 - Centre of gravity, mm (approx.)38VZ/PZ (all sizes)Fig. 11 - Centre of gravity, mm

Fig. 12 - Weight distribution, kg (approx.)50VZ/PZ (all sizes)Fig. 13 - Weight distribution, kg (approx.)38VZ/PZ (all sizes)Control boxControl boxSupp

16Indoor air discharge (50VZ/PZ)The 50VZ/PZ units leave the factory with the indoor unit airdischarge set to vertical, as indicated in the dimensional

17Fig. 15 - Repositioning unit air discharge(50VZ/PZ 025, 030, 031, 04040PZ 025, 030, 031, 040)LegendSide access panelRear discharge panelTop panelAng

18Fan performance50VZ/PZ 015 indoor fan (40PZ 015) standardtransmission50VZ/PZ 015 indoor fan (40PZ 015) optional largertransmission50VZ/PZ 015 outdoo

19Fan performance50VZ/PZ 025 indoor fan (40PZ 025) standardtransmission50VZ/PZ 025 indoor fan (40PZ 025) optional largertransmission50VZ/PZ 025 outdoo

2CONTENTSSTART-UP CHECKLIST ...

20Fan performance50VZ/PZ 030/031 indoor fan (40PZ 030/031) standardtransmission50VZ/PZ 030/031 indoor fan (40PZ 030/031) optionallarger transmission50

21Fan performance50VZ/PZ 040 indoor fan (40PZ 040) standardtransmission50VZ/PZ 040 indoor fan (40PZ 040) optional largertransmission50VZ/PZ 040 outdoo

22Fan performance50VZ/PZ 045 indoor fan (40PZ 045) standardtransmission50VZ/PZ 045 indoor fan (40PZ 045) optional largertransmission50VZ/PZ 045 outdoo

23Fan performance50VZ/PZ 055 indoor fan (40PZ 055) standardtransmission50VZ/PZ 055 indoor fan (40PZ 055) optional largertransmission50VZ/PZ 055 outdoo

24Fan performance50VZ/PZ 065 indoor fan (40PZ 065) standardtransmission50VZ/PZ 065 indoor fan (40PZ 065) optional largertransmission50VZ/PZ 065 outdoo

25Fan performance50VZ/PZ 075 indoor fan (40PZ 075) standardtransmission50VZ/PZ 075 indoor fan (40PZ 075) optional largertransmission50VZ/PZ 075 outdoo

26SAFETY CONSIDERATIONSInstallation and servicing of air conditioning equipment can behazardous due to system pressure and electrical components.Only

27Fig. 18 - Rigging (38VZ/PZ) Ductwork (indoor air discharge)The ductwork dimensions should be determined in accordancewith the air flow to be carried

28Electrical connectionsWARNING: To prevent electrical shock or equipment damage,make sure disconnects are open before electrical connectionsare made.

29NOTE 1: This control is compatible with any kind ofelectromechanical or electronic control (without anticipationresistors) with the following featur

START-UP CHECK LIST Start up date: ...Equipment sold by: ...

30For both option A (Figure 22) and option B (Figure 23) thefollowing conditions should be observed:- The maximum speed permitted in any line is 15 m/

31- Check the drain connections.- Ensure that there are no refrigerant leaks.- Confirm that the electrical power source agrees with theunit nameplate

32Table 7 - Heat pump operationZone Air temperatureDry bulb Wet bulbIndoorMaximum 27°C-OutdoorMaximum 24°C18°CMinimum -15°C-OPTIONS AND ACCESSORIESOpt

33InstallationThe standard installation of the water heating coil is made bypositioning the connection manifolds on the same side as themotor of the e

34SERVICEIndoor fan air adjustmentThe drive is factory set in accordance with the tables on pages18-25. When indoor pressure and air flow requirements

351 Fixed flange2 Setscrews3 Movable flange4 Straight-edge must be parallel with belt5 Motor and fan shafts must be parallel6 Pulleys7 Motor and fan s

Order No. 15021-20, 11.2000. Supersedes order No.: New Printed on Totally Chlorine-Free Paper.Manufacturer reserves the right to change any product sp

4Table 1 - Physical data50VZ (40PZ/38VZ) 015 025 030 031 040 045 055 065 075Nom. cooling capacity* kW 14.60 22.74 29.75 27.80 35.05 45.21 53.90 63.89

5Table 2 - Electrical data50VZ (40PZ/38VZ) 015 025 030 031 040 045 055 065 075Nominal voltage ±10%* V 230 400 230 400 230 400 230 400 230 400 230 400

6Fig. 1 - Dimensions, mm50VZ/PZ 01538VZ/PZ 015Optional discharge40PZ 015OptionaldischargePower connectionDrain 3/4" gasCable inletOptional discha

7Fig. 2 - Dimensions, mm50VZ/PZ 02538VZ/PZ 025 Optional discharge40PZ 025Optional dischargePower connectionOptionaldischargeDrain 3/4" gasCable i

8Fig. 3 - Dimensions, mm50VZ/PZ 030Optional discharge38VZ/PZ 030Optional discharge40PZ 030Optional dischargePower connectionDrain 3/4" gasCable i

9Fig. 4 - Dimensions, mm50VZ/PZ 03138VZ/PZ 031Optional discharge40PZ 031OptionaldischargePower connectionDrain 3/4" gasCable inletOptional discha