Technical Guide

251933-YTG-V-0913
16 Johnson Controls Unitary Products
ZR036-060 Physical Data
Component
Models
ZR036 ZR048 ZR060
Nominal Tonnage 3.0 4.0 5.0
AHRI COOLING PERFORMANCE
Gross Capacity @ AHRI A point (Btu) 36300 49600 60800
AHRI net capacity (Btu) 35000 48000 58500
EER 11.2 11.2 11.2
SEER 13.0 13.0 13.0
IPLV ---
Nominal CFM 1200 1600 2000
System power (KW) 3.13 4.18 5.3
Refrigerant type R-410a R-410a R-410a
Refrigerant charge (lb-oz)
System 1 11-2 12-4 11-12
AHRI HEATING PERFORMANCE
Heating model N04 N08 D06 D10 N06 N10 D06 D10 N08 N10 D06 D10
Heat input (K Btu) 50 100 75 115 75 125 75 125 100 125 75 125
Heat output (K Btu) 40 80 60.8 92 60 100 60.8 100.6 80 100 60.8 100.6
AFUE % 80.9 80.5 - - 80.9 80.3 - - 80.5 80.3 - -
Steady state efficiency (%) - - 81.1 80.2 - - 81.1 80.5 - - 81.1 80.5
No. burners 243535354535
No. stages 112211221122
Temperature Rise Range (ºF) 15-45 45-75 35-70 55-90 25-70 45-75 25-70 45-75 25-55 35-75 20-55 35-75
Gas Limit Setting (ºF) - Direct Drive 240 170 210 200 210 165 210 165 170 165 210 165
Gas Limit Setting (ºF) - Belt Drive 240 210 240 200 240 210 240 210 210 210 210 210
Gas piping connection (in.) 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2
DIMENSIONS (inches)
Length 82 1/4 82 1/4 82 1/4
Width 44 7/8 44 7/8 44 7/8
Height 32 5/8 32 5/8 32 5/8
OPERATING WT. (lbs.) 575 585 590
COMPRESSORS
Type Scroll Scroll Scroll
Quantity 1 1 1
Unit Capacity Steps (%) 100 100 100
CONDENSER COIL DATA
Face area (Sq. Ft.) 16.9 16.9 16.9
Rows 222
Fins per inch 18 18 18
Tube diameter (in.) 3/8 3/8 3/8
Circuitry Type Split-face Split-face Split-face
EVAPORATOR COIL DATA
Face area (Sq. Ft.) 5.06 5.06 5.06
Rows 334
Fins per inch 13 13 13
Tube diameter 0.375 0.375 0.375
Circuitry Type Split-face Split-face Split-face
Refrigerant control TXV TXV TXV