6021980-UIM-A-1120
34 Johnson Controls Ducted Systems
Evaporator coil data
Face area (sq. ft.) 29 29 29 47.5 47.5
Rows 3 4 4 4 4
Fins per inch 15 15 15 15 15
Tube diameter 0.375 0.375 0.375 0.375 0.375
Circuitry type Intertwined Intertwined Intertwined Intertwined Intertwined
Refrigerant control TXV TXV TXV TXV TXV
Reheat option coil data
Face area (sq. ft.) 10 10 10 10 10
Rows 1 2 2 2 2
Fins per inch 13 13 13 13 13
Tube diameter (in.) 3/8 3/8 3/8 3/8 3/8
Condenser fan data
Quantity of fans 4 4 4 4 4
Fan diameter (inches) 24 24 24 24 24
Type Prop Prop Prop Prop Prop
Drive type Direct Direct Direct Direct Direct
Quantity of motors 4 4 4 4 4
Motor HP each 1/3 1/3 1/3 1/3 1/3
No. speeds 2 2 2 2 2
1st speed/2nd speed RPM 850/600 850/600 850/700 850/700 900/700
1st speed/2nd speed total CFM 14000/9500 14000/9500 14000/11000 14000/11000 15000/11000
Belt drive evap. fan data
Quantity 1 1 1 1 1
Fan size (inches) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal Centrifugal Centrifugal Centrifugal
Motor sheave 1VL40 1VM50 1VL40 1VM50 1VM50 1VM50 1VM50 1VM50 1VM50 1VP56
Blower sheave AK74 AK74 AK69 AK69 AK89 AK74 AK84 AK74 AK74 BK77
Belt A53 A54 A52 A54 A56 A54 A56 A54 A54 BX55
Motor HP each 1-1/2 2 1-1/2 3 2 3 2 3 3 5
RPM 1725 1725 1725 1725 1725 1725 1725 1725 1725 1725
Frame size 56 56 56 56 56 56 56 56 56 184T
Filters
Quantity - size
4 - (24 x 20 x 2)
5,6
4 - (24 x 20 x 2
5, 6
4 - (24 x 20 x 2)
5, 6
4 - (24 x 20 x 2)
5, 6
4 - (24 x 20 x 2)
5, 6
4 - (24 x 20 x 4)
7
4 - (24 x 20 x 4)
7
4 - (24 x 20 x 4)
7
4 - (24 x 20 x 4)
7
4 - (24 x 20 x 4)
7
1. Gas units
2. Cooling only, electric
3. 1st stage 60% of 2nd stage
4. ZT078, ZT090, ZT102, ZT120, and ZT150 have crankcase heaters as standard.
5. 2 in. throwaway, standard, MERV (Minimum Efficiency Reporting Value) 3.
6. 2 in. pleated, optional, MERV 8.
7. 4 in. pleated, optional, MERV 13.
ZT078-150 (Continued)
Component
Models
ZT078 ZT090 ZT102 ZT120 ZT150
Nominal tonnage 6.5 7.5 8.5 10 12.5
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